How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient. Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. The NEB Tm Calculator should be used to determine the annealing temperature when this enzyme. Typically, use a 10–30 second annealing step at 3°C above the Tm of the lower Tm primer. A temperature gradient can also be used to optimize the annealing temperature for each primer pair. For high Tm primer pairs, two-step cycling …Q5 High-Fidelity DNA Polymerase is unlike typical, lower fidelity PCR enzymes. To determine the optimal annealing temperatures for a given set of primers, use of the NEB Tm Calculator is highly recommended. This kit contains a sufficient supply of master mix and nuclease-free water to perform 50 polymerase chain reactions (NEB #E0555S) or 200 ...NEB Tm Calculator is used to estimate an appropriate annealing temperature in NEB PCR products. The tool fields are: Product Group: select a value from Q5, Q5 Hot Start, Q5U Hot Start, OneTaq, OneTaq Hot Start, Hot Start Taq, Taq DNA Polymerase, LongAmp Taq, LongAmp Hot Start Taq, Hemo KlenTaq, Vent, Deep Vent, Master Mix, Phusion, Phusion …Q5 High-Fidelity DNA Polymerase is unlike typical, lower fidelity PCR enzymes. To determine the optimal annealing temperatures for a given set of primers, use of the NEB Tm Calculator is highly recommended. This kit contains a sufficient supply of master mix and nuclease-free water to perform 50 polymerase chain reactions (NEB #E0555S) or 200 ...Dec 13, 2013 · The NEB Tm Calculator should be used to determine the annealing temperature when using this enzyme. Typically, use a 10–30 second annealing step at 3°C above the T m of the lower T m primer. A temperature gradient can also be used to optimize the annealing temperature for each primer pair. Tm calculator using the Nearest-Neighbor method (NN paramters are based on SantaLucia J Jr. (1998) PNAS, 95:1460-5) Tm is adjusted for MgCl2 and DMSO concentration based on von Ahsen et al. Clinical Chemistry 47: 1956-61 (2001) Oligonucleotide Sequence: Primer concentration (nM): Sodium/Potasium concentration (mM): Magnesium concentration (mM ...Percentages may be calculated from both fractions and decimals. While there are numerous steps involved in calculating a percentage, it can be simplified a bit. Multiplication is u...NEB Tm Calculator. Other Tools. Another great online tool from New England Biolabs INC. NEB Tm Calculator is used to estimate an appropriate annealing temperature in NEB PCR products. The tool fields are: Product Group: select a value from Q5, Q5 Hot Start, Q5U Hot Start, OneTaq, OneTaq Hot Start, Hot Start Taq, Taq DNA Polymerase, LongAmp Taq ...Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient. Phusion ® DNA Polymerase exploits this dramatic increase in processivity, resulting in shorter extension times, more robust and high yield amplification, and the ability to amplify long templates in a fraction of the time. Click here to acc ess our Tm calculator. Phusion ® was developed by Finnzymes Oy, now a part of Thermo Fisher Scientific.How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …NEB Tm Calculator is used to estimate an appropriate annealing temperature in NEB PCR products. The tool fields are: Product Group: select a value from Q5, Q5 Hot Start, Q5U Hot Start, OneTaq, OneTaq Hot Start, Hot Start Taq, Taq DNA Polymerase, LongAmp Taq, LongAmp Hot Start Taq, Hemo KlenTaq, Vent, Deep Vent, Master Mix, Phusion, Phusion Hot ...The NEB Tm calculator should be used to determine the annealing temperature when using Phusion. Typically, primers greater than 20 nucleotides in length anneal for 10–30 seconds at 3°C above the T m of the lower T m primer. If …Step 1. Select a Promega Primer. OR. Enter Oligo Sequence. Step 2. Primer Concentration (nM) Step 3. Set salt and Mg++ by selecting a product or entering concentration values. …The NEB Tm Calculator should be used to determine the annealing temperature when this enzyme. Typically, use a 10–30 second annealing step at 3°C above the Tm of the lower Tm primer. A temperature gradient can also be used to optimize the annealing temperature for each primer pair.Whether you’re planning a road trip or flying to a different city, it’s helpful to calculate the distance between two cities. Here are some ways to get the information you’re looki...From New England Biolabs Jan 29 2014. NEBioCalculator, a new online "conversions and calculations" tool developed by New England Biolabs (NEB ® ), offers bench-side support for molecular biology ...The Tm of the 3´ gene-specific sequence of the primer can be calculated using the Tm calculator found on the NEB website at tmcalculator.neb.com. General Recommendations for Design of Overlapping Primers To achieve efficient assembly of PCR fragments into a vector, we suggest using a 15–30 nt overlap with a Tm equal to or greater than 48°CPhusion ® DNA Polymerase exploits this dramatic increase in processivity, resulting in shorter extension times, more robust and high yield amplification, and the ability to amplify long templates in a fraction of the time. Click here to acc ess our Tm calculator. Phusion ® was developed by Finnzymes Oy, now a part of Thermo Fisher Scientific.The NEB Tm Calculator should be used to determine the annealing temperature when using this enzyme. Typically, use a 10–30 second annealing step at 3°C above the T m of the lower T m primer. A temperature gradient can also be used to optimize the annealing temperature for each primer pair.To calculate sales revenue, verify the prices of the units and the number of units sold. Multiply the selling price by the number of units sold, and add the revenue for each unit t...NEB Tm Calculator is a tool to estimate annealing temperature for NEB PCR products based on product group, polymerase/kit, primer concentration and primer 1 and 2. The tool also shows the cookies used …The most sophisticated T m calculations take into account the exact sequence and base stacking parameters, not just the base composition (1,2,3). The equation used is: Tm = ΔH kcal∘C × Mol ΔS + R In ( [primer] / 2) − 273.15∘C T m = Δ H kcal ∘ C × Mol Δ S + R In ( [primer] / 2) − 273.15 ∘ C. Δ Δ H is the enthalpy of base ... Nicole Nichols, PhD: Most primer design tools, or Oligo manufacturers, will calculate melting temperatures or Tm's, based on a standard set of conditions. The Tm can then be adjusted to get an annealing temperature, or Ta, for your particular reaction. There are options to modify the standard conditions so that it reflects the actual PCR buffer ... HiFi DNA Assembly. Assembling DNA fragments is a key part of both synthetic biology techniques and cloning. NEBuilder HiFi DNA Assembly enables virtually error-free joining of DNA fragments, even those with 5´- and 3´-end mismatches. This flexible mix enables simple and fast seamless cloning utilizing a proprietary high-fidelity polymerase.The NEB Tm calculator should be used to determine the annealing temperature when using Phusion. Typically, primers greater than 20 nucleotides in length anneal for 10–30 seconds at 3°C above the T m of the lower T m primer. If …The NEB Tm Calculator should be used to determine the annealing temperature when using this enzyme.Typically use a 10–30 second annealing step at 3°C above the Tm of the lower Tm primer. A temperature gradient can also be used to optimize the annealing temperature for each primer pair. For high Tm primer pairs, two‐step …NEBaseChanger can design primers specific to the mutagenesis experiment you are performing and calculate a recommended custom annealing temperature.Use of the NEB Tm Calculator is highly recommended for LunaScript Multiplex One-Step RT-PCR reactions as optimal annealing temperatures tend to be higher for Q5 Hot Start DNA Polymerase. When performing multiplex RT-PCR, use the annealing temperature calculated for the amplicon with the lowest annealing temperature.In today’s fast-paced world, staying connected is more important than ever. Whether it’s for work or personal reasons, having a reliable and affordable way to make unlimited calls ...Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products.Nicole Nichols, PhD: Most primer design tools, or Oligo manufacturers, will calculate melting temperatures or Tm's, based on a standard set of conditions. The Tm can then be adjusted to get an annealing temperature, or Ta, for your particular reaction. There are options to modify the standard conditions so that it reflects the actual PCR buffer ...Please use NEB’s Tm Calculator to determine the appropriate annealing temperature for your primer pair and NEB polymerase/buffer of interest. Unlike other calculators, the NEB Tm Calculator takes into consideration buffer components that affect melting temperatures and empirical observations when calculating the optimal annealing temperature.How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …Sometimes you just need a little extra help doing the math. If you are stuck when it comes to calculating the tip, finding the solution to a college math problem, or figuring out h...Use this tool to estimate an appropriate incubation temperature when using NEB thermostable ligases and reaction buffers.Generate primers for NEBuilder HiFi. Confine mutations to primer 5′ tails. Preserve degenerate bases. Minimum Primer Length (nt):. Minimum Primer Tm (°C):.The most sophisticated T m calculations take into account the exact sequence and base stacking parameters, not just the base composition (1,2,3). The equation used is: Tm = ΔH kcal ∘ C × Mol ΔS + R In ( [primer] / 2) − 273.15 ∘ C. Δ H is the enthalpy of base stacking interactions adjusted for helix initiation factors (3,4).The most sophisticated T m calculations take into account the exact sequence and base stacking parameters, not just the base composition (1,2,3). The equation used is: Tm = ΔH kcal ∘ C × Mol ΔS + R In ( [primer] / 2) − 273.15 ∘ C. Δ H is the enthalpy of base stacking interactions adjusted for helix initiation factors (3,4).How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …Simply input your DNA polymerase, primer concentration and your primer sequence and the Tm Calculator will guide you to successful reaction conditions. NEBuilder ® Protocol Calculator Use this tool to calculate the optimal amounts of input DNA sequences for the NEBuilder ® HiFi assembly reaction given the length and concentration of each ...The Luna Universal qPCR Master Mix is an optimized 2X reaction mix for real-time qPCR detection and quantitation of target DNA sequences using the SYBR ® /FAM channel of most real-time qPCR instruments. It contains Hot Start Taq DNA Polymerase and has been formulated with a unique passive reference dye that is compatible across a variety of ... Q5 High-Fidelity DNA Polymerase is unlike typical, lower fidelity PCR enzymes. To determine the optimal annealing temperatures for a given set of primers, use of the NEB T m Calculator is highly recommended. Q5-High Fidelity 2X Master Mix formats allow robust amplification of a broad range of targets with a single formulation. Use Money’s free mortgage calculator to get an estimated monthly mortgage payment, based on your loan details. By clicking "TRY IT", I agree to receive newsletters and promotions f...How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. NEB Tm Calculator (tmcalculator.neb.com) TmCalculator. version 1.16.5. HELP ABOUT Tech Support Feedback NEB …Manufactured and quality-controlled at New England Biolabs, Thermo Scientific ® Phusion High-Fidelity DNA Polymerase offers both high fidelity and robust performance. 50X higher fidelity than Taq. Robust reactions - maximal success with minimal optimization. Offered with multiple buffers for customized reaction setup for different DNA templates.How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient.Calculating your net worth is one of the most important steps to take along your financial independence journey. Here's how. Over time, tracking your net worth will show you how co...NEB LAMP Primer Design Tool can be used to design primers for your Loop-mediated Isothermal Amplification. Fixed primers can be specified for the design of LAMP primers, and subsequent Loop primers are then designed based on LAMP primer selection. ... Tm Calculator. Use this tool when designing PCR reaction protocols to help determine the ...NEB LAMP Primer Design Tool can be used to design primers for your Loop-mediated Isothermal Amplification. Fixed primers can be specified for the design of LAMP primers, and subsequent Loop primers are then designed based on LAMP primer selection. ... Tm Calculator. Use this tool when designing PCR reaction protocols to help determine the ...I am using Q5® High-Fidelity DNA Polymerase reaction system. I am following the standard protocol. First, I tried with 1-degree celsius less than the recommended Tm value from the NEB Tm calculator.A calculator helps people perform tasks that involve adding, multiplying, dividing or subtracting numbers. There are numerous types of calculators, and many people use a simple ele...Simply input your DNA polymerase, primer concentration and your primer sequence and the Tm Calculator will guide you to successful reaction conditions. NEBuilder ® Protocol Calculator Use this tool to calculate the optimal amounts of input DNA sequences for the NEBuilder ® HiFi assembly reaction given the length and concentration of each ... Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. Tm API A public Tm API allowing programmatic access to the NEB Tm calculator for incorporation in automated high throughput primer design workflows. NGS Sample Prep & Target Enrichment. NEBNext Index Oligo Selector This tool assists users in selecting barcode combinations when pooling NEBNext ® Multiplex Oligos for Illumina ®.Please use NEB’s Tm Calculator to determine the appropriate annealing temperature for your primer pair and NEB polymerase/buffer of interest. Unlike other calculators, the NEB Tm Calculator takes into consideration buffer components that affect melting temperatures and empirical observations when calculating the optimal annealing temperature ...Sort your results so they make sense to you, then email them to your inbox or connect directly to www.neb.com. Use Double Digest Finder to determine buffer and reaction conditions for experiments requiring two restriction enzymes. Use Tm Calculator to calculate annealing temperatures for your PCR reaction.How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …Choose a DNA, RNA, qPCR calculator from NEB, a leader in production and supply of reagents for the life science industry. NEBioCalculator. version 1.15.5 ...How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient.The following guide can be used to troubleshoot PCR reactions. Use our Tm calculator to help plan experiments and click here for optimization tips. Observation. Possible Cause. Solution. Sequence Errors. Low fidelity polymerase. Choose a higher fidelity polymerase such as Q5 ® ( NEB #M0491 ), Phusion ® ( NEB #M0530) DNA Polymerases.Need to know how many feet are in a yard or how many cubic feet are in a cubic yard? Our cubic yard calculator is a must for home improvement projects! Expert Advice On Improving Y...The most sophisticated T m calculations take into account the exact sequence and base stacking parameters, not just the base composition (1,2,3). The equation used is: Tm = ΔH kcal∘C × Mol ΔS + R In ( [primer] / 2) − 273.15∘C T m = Δ H kcal ∘ C × Mol Δ S + R In ( [primer] / 2) − 273.15 ∘ C. Δ Δ H is the enthalpy of base ...Q5 High-Fidelity DNA Polymerase is unlike typical, lower fidelity PCR enzymes. To determine the optimal annealing temperatures for a given set of primers, use of the NEB Tm Calculator is highly recommended. This kit contains a sufficient supply of master mix and nuclease-free water to perform 50 polymerase chain reactions (NEB #E0555S) or 200 ...The addition of an aptamer-based inhibitor allows room temperature reaction setup. Phusion Hot Start Flex DNA Polymerase is supplied with standard 5X Phusion HF Buffer, as well as 5X Phusion GC Buffer, which can be used for complex or GC-rich templates. Each of these buffers contains MgCl 2 (1.5 mM at the final [1X] reaction concentration).NEBioCalculator®. Use this tool for your scientific calculations and conversions for DNA and RNA. Options include conversion of mass to moles, ligation amounts, conversion of OD to concentration, dilution and molarity. Additional features include sgRNA Template Oligo Design and qPCR library quantification.Choose a DNA, RNA, qPCR calculator from NEB, a leader in production and supply of reagents for the life science industry. NEBioCalculator. version 1.15.5. HELP ABOUT ... Extended the range of calculations for DNA/RNA Mass to Moles down to attomoles to allow copy number values in the range of 0 to 1000. v1.9.0 August 8, 2018 ...The default minimum temperature for primer melting (Tm) is 55°C. If higher primer binding specificity is desired or a tighter range of Tm values across a larger set of primers is desired, raise the minimum Tm value. Primer lengths will be longer at higher minimum Tm values. The minimum allowed value is 55°C. Maximum allowed value is 72°C.Transportation management systems (TMS) play a crucial role in streamlining logistics operations for businesses of all sizes. They help optimize transportation routes, track shipme...How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …Tm API A public Tm API allowing programmatic access to the NEB Tm calculator for incorporation in automated high throughput primer design workflows. NGS Sample Prep & Target Enrichment. NEBNext Index Oligo Selector This tool assists users in selecting barcode combinations when pooling NEBNext ® Multiplex Oligos for Illumina ®. Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. Select the product group of the polymerase or kit you plan to use. Select the polymerase or kit from the list of products. If needed, modify the recommended primer concentration. Enter primer sequences (with up to 3 ambiguous bases). How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient.There are four state capitals named after U.S. Presidents. They are Jefferson City, Mo., named for Thomas Jefferson; Lincoln, Neb., named for Abraham Lincoln; Jackson, Miss., named...Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products.How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction …Tm API A public Tm API allowing programmatic access to the NEB Tm calculator for incorporation in automated high throughput primer design workflows. NGS Sample Prep & Target Enrichment. NEBNext Index Oligo Selector This tool assists users in selecting barcode combinations when pooling NEBNext ® Multiplex Oligos for Illumina ®.How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient.Excited to try transcranial magnetic stimulation (TMS) therapy after reading some positive TMS therapy reviews? Many people suffering from depression feel hopeless about the option...How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient.
NEB’s Tm Calculator. Figure 1: Q5 Blood Direct 2X Master Mix enables robust amplification direct from whole or dried blood. PCR was performed using Q5 Blood Direct 2X Master Mix under standard recommended conditions with 35 cycles of amplification. Yield and purity were quantitated by microfluidic LabChip® analysis and are indicated by …. Myfox 13 memphis
Use the NEB Tm calculator to determine the optimal annealing temperature ; Primer pairs should have T m s within 5°C of each other; Avoid secondary structure (i.e., hairpins) within each primer and potential dimerization between the primers present; When engineering sites into the end of primers, 4-6 extra bases should be added 5´ to the site Q5 High-Fidelity DNA Polymerase is unlike typical, lower fidelity PCR enzymes. To determine the optimal annealing temperatures for a given set of primers, use of the NEB Tm Calculator is highly recommended. This kit contains a sufficient supply of master mix and nuclease-free water to perform 50 polymerase chain reactions (NEB #E0555S) or 200 ...Tm API A public Tm API allowing programmatic access to the NEB Tm calculator for incorporation in automated high throughput primer design workflows. NGS Sample Prep & Target Enrichment. NEBNext Index Oligo Selector This tool assists users in selecting barcode combinations when pooling NEBNext ® Multiplex Oligos for Illumina ®.Q5 High-Fidelity DNA Polymerase is unlike typical, lower fidelity PCR enzymes. To determine the optimal annealing temperatures for a given set of primers, use of the NEB T m Calculator is highly recommended. Q5-High Fidelity 2X Master Mix formats allow robust amplification of a broad range of targets with a single formulation.NEB Tm Calculator is used to estimate an appropriate annealing temperature in NEB PCR products. The tool fields are: Product Group: select a value from Q5, Q5 Hot Start, Q5U Hot Start, OneTaq, OneTaq Hot Start, Hot Start Taq, Taq DNA Polymerase, LongAmp Taq, LongAmp Hot Start Taq, Hemo KlenTaq, Vent, Deep Vent, Master Mix, Phusion, Phusion …Learn what a call abandonment rate is and how to calculate it for your call center. Then, compare your call abandonment rate against these industry benchmarks. Trusted by business ...Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. Instructions. Select the product group of the polymerase or kit you plan to use. Select the polymerase or kit from the list of products. If needed, modify the recommended primer concentration. Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. From New England Biolabs Jan 29 2014. NEBioCalculator, a new online "conversions and calculations" tool developed by New England Biolabs (NEB ® ), offers bench-side support for molecular biology ...How to use the T m calculator. The calculator calculates recommended T m (melting temperature) of primers and PCR annealing temperature based on the primer pair sequence, primer concentration, and DNA polymerase used in PCR. The calculator also calculates the primer length, percentage of GC content, molecular weight, and extinction coefficient.Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products.Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. Select the product group of the polymerase or kit you plan to use. Select the polymerase or kit from the list of products. If needed, modify the recommended primer concentration. Enter primer sequences (with up to 3 ambiguous bases).The addition of an aptamer-based inhibitor allows room temperature reaction setup. Phusion Hot Start Flex DNA Polymerase is supplied with standard 5X Phusion HF Buffer, as well as 5X Phusion GC Buffer, which can be used for complex or GC-rich templates. Each of these buffers contains MgCl 2 (1.5 mM at the final [1X] reaction concentration).Excited to try transcranial magnetic stimulation (TMS) therapy after reading some positive TMS therapy reviews? Many people suffering from depression feel hopeless about the option...The following guide can be used to troubleshoot PCR reactions. Use our Tm calculator to help plan experiments and click here for optimization tips. Observation. Possible Cause. Solution. Sequence Errors. Low fidelity polymerase. Choose a higher fidelity polymerase such as Q5 ® ( NEB #M0491 ), Phusion ® ( NEB #M0530) DNA Polymerases.Choose a DNA, RNA, qPCR calculator from NEB, a leader in production and supply of reagents for the life science industry.The TM calculator on the neb.com website takes into account the specific composition of the buffer when determining the annealing temperature. Fourth, when possible, calculate the GC content of your target. For GC-rich amplicons, use a polymerase specifically designed for GC-rich PCR, ... Use the NEB Tm Calculator to estimate an appropriate annealing temperature when using NEB PCR products. Select the product group of the polymerase or kit you plan to use. Select the polymerase or kit from the list of products. If needed, modify the recommended primer concentration. Enter primer sequences (with up to 3 ambiguous bases). .