* The data is last updated on 10th February, 2023 from GISAID, based on 2379 variants from (14.9 million sequences) and 34 primer sets.
| Browse |
| Prediction results retrieved after performance evaluation of WHO approved 34 primers to estimate their binding affinities for 2379 SARS-CoV-2 variants. |
| Lineage (WHO label)   | Target Gene | Primer Name | Primer Sequence | Primer Length | Primer GC Content (%) | Start Position | End Position | Primer Direction | ΔG (cal) | Primer first used |
|---|---|---|---|---|---|---|---|---|---|---|
| B.1.1.7 (Alpha) | N | US-CDC-N-2 | TTACAAACATTGGCCGCAAA | 20 | 40 | 29164 | 29183 | F | -18541.7 | US |
| B.1.1.7 (Alpha) | E | Charité-E | ACAGGTACGTTAATAGTTAATAGCGT | 26 | 34.62 | 26269 | 26294 | F | -21259 | Germany |
| BA.1.13.1 | S | Chan-S | CCTACTAAATTAAATGATCTCTGCTTTACT | 30 | 30 | 22712 | 22741 | F | -23290.6 | China |
| B.1.1.7 (Alpha) | E | Huang-E | ACTTCTTTTTCTTGCTTTCGTGGT | 24 | 37.5 | 26295 | 26318 | F | -21907.1 | China |
| BA.1.13.1 | ORF1ab | Yip-ORF1ab | ATGCATTTGCATCAGAGGCT | 20 | 45 | 1866 | 1885 | F | -3197.02 | China |
| B.1.1.7 (Alpha) | E | Niu-E | TTCTTGCTTTCGTGGTATTC | 20 | 40 | 26303 | 26322 | F | -17339.6 | China |
| B.1.1.7 (Alpha) | S | NIID WH-1 F24381R24873 | TCAAGACTCACTTTCTTCCAC | 21 | 42.86 | 24364 | 24384 | F | -18256.7 | Japan |
| B.1.1.7 (Alpha) | N | CN-CDC-N | GGGGAACTTCTCCTGCTAGAAT | 22 | 50 | 28881 | 28902 | F | -15487.7 | China |
| B.1.1.7 (Alpha) | ORF1ab | NIID WH-1 F501R913 | TTCGGATGCTCGAACTGCACC | 21 | 57.14 | 484 | 504 | F | -22199.6 | Japan |
| B.1.1.7 (Alpha) | N | NIH-TH_N | CGTTTGGTGGACCCTCAGAT | 20 | 55 | 28320 | 28339 | F | -19445.4 | Thailand |
| BA.1.13.1 | ORF1ab | Pasteur-ORF1ab-2 | GGTAACTGGTATGATTTCG | 19 | 42.11 | 14080 | 14098 | F | -16143 | France |
| B.1.1.7 (Alpha) | N | US-CDC-N-1 | GACCCCAAAATCAGCGAAAT | 20 | 45 | 28287 | 28306 | F | -18082.8 | US |
| BA.1.13.1 | ORF1ab | Chan-ORF1ab | CGCATACAGTCTTRCAGGCT | 20 | 50 | 16220 | 16239 | F | -9199.57 | China |
| BA.1.13.1 | E | Huang-E | ACTTCTTTTTCTTGCTTTCGTGGT | 24 | 37.5 | 26295 | 26318 | F | -21907.1 | China |
| BA.1.13.1 | ORF1ab | Charité-ORF1b | GTGARATGGTCATGTGTGGCGG | 22 | 54.55 | 15431 | 15452 | F | -18094.7 | Germany |
| B.1.1.7 (Alpha) | N | US-CDC-N-3 | GGGAGCCTTGAATACACCAAAA | 22 | 45.45 | 28681 | 28702 | F | -19979.3 | US |
| BA.1.13.1 | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| B.1.1.7 (Alpha) | N | Young-N | CTCAGTCCAAGATGGTATTTCT | 22 | 40.91 | 28583 | 28604 | F | -19109.2 | Singapore |
| B.1.1.7 (Alpha) | N | SC2 | CTGCAGATTTGGATGATTTCTCC | 23 | 43.48 | 29463 | 29485 | F | -20137 | US |
| B.1.1.7 (Alpha) | N | Corman-N | CACATTGGCACCCGCAATC | 19 | 57.89 | 28706 | 28724 | F | -20693.2 | Germany |
| BA.1.13.1 | S | Young-S | TATACATGTCTCTGGGACCA | 20 | 45 | 21763 | 21782 | F | -11411.5 | Singapore |
| B.1.1.7 (Alpha) | N | Won-N | CAATGCTGCAATCGTGCTAC | 20 | 50 | 28732 | 28751 | F | -19814.2 | South Korea |
| BA.1.13.1 | ORF1ab | HKU-ORF1b | TGGGGYTTTACRGGTAACCT | 20 | 45 | 18778 | 18797 | F | -5011.39 | Hong Kong |
| B.1.1.7 (Alpha) | N | NIID-JP-N | AAATTTTGGGGACCAGGAAC | 20 | 45 | 29125 | 29144 | F | -17915.9 | Japan |
| B.1.1.7 (Alpha) | N | Chan-N | GCGTTCTTCGGAATGTCG | 18 | 55.56 | 29210 | 29227 | F | -18904.7 | China |
| B.1.1.7 (Alpha) | N | HKU-N | TAATCAGACAAGGAACTGATTA | 22 | 31.82 | 29145 | 29166 | F | -15955.4 | Hong Kong |
| B.1.1.7 (Alpha) | S | WuhanCoV-spk1 | TTGGCAAAATTCAAGACTCACTTT | 24 | 33.33 | 24354 | 24377 | F | -20250.7 | Japan |
| B.1.1.7 (Alpha) | ORF1ab | NIID WH-1 Seq F519R840 | ACCTCATGGTCATGTTATGG | 20 | 45 | 502 | 521 | F | -18239.1 | Japan |
| B.1.1.7 (Alpha) | ORF1ab | Pasteur-ORF1ab-1 | ATGAGCTTAGTCCTGTTG | 18 | 44.44 | 12690 | 12707 | F | -15534.7 | France |
| BA.1.13.1 | S | Won-S | CTACATGCACCAGCAACTGT | 20 | 50 | 23114 | 23133 | F | -19568.9 | South Korea |
| B.1.1.7 (Alpha) | ORF1ab | Pasteur-ORF1ab-2 | GGTAACTGGTATGATTTCG | 19 | 42.11 | 14080 | 14098 | F | -16143 | France |
| BA.1.13.1 | ORF1ab | CN-CDC-ORF1ab | CCCTGTGGGTTTTACACTTAA | 21 | 42.86 | 13342 | 13362 | F | -17806.9 | China |
| B.1.1.7 (Alpha) | ORF1ab | CN-CDC-ORF1ab | CCCTGTGGGTTTTACACTTAA | 21 | 42.86 | 13342 | 13362 | F | -17806.9 | China |
| B.1.1.7 (Alpha) | S | NIID WH-1 Seq F24383R24865 | AAGACTCACTTTCTTCCACAG | 21 | 42.86 | 24366 | 24386 | F | -18691.5 | Japan |
| B.1.1.7 (Alpha) | ORF1ab | Young-ORF1ab | TCATTGTTAATGCCTATATTAACC | 24 | 29.17 | 14155 | 14178 | F | -17579.7 | Singapore |
| BA.1.13.1 | E | Niu-E | TTCTTGCTTTCGTGGTATTC | 20 | 40 | 26303 | 26322 | F | -17339.6 | China |
| B.1.1.7 (Alpha) | ORF1ab | Charité-ORF1b | GTGARATGGTCATGTGTGGCGG | 22 | 54.55 | 15431 | 15452 | F | -18094.7 | Germany |
| BA.1.13.1 | E | Charité-E | ACAGGTACGTTAATAGTTAATAGCGT | 26 | 34.62 | 26269 | 26294 | F | -19500.7 | Germany |
| B.1.1.7 (Alpha) | ORF1ab | Won-ORF1ab | CATGTGTGGCGGTTCACTAT | 20 | 50 | 15441 | 15460 | F | -20179.8 | South Korea |
| B.1.1.7 (Alpha) | ORF1ab | Yip-ORF1ab | ATGCATTTGCATCAGAGGCT | 20 | 45 | 1866 | 1885 | F | -18828.7 | China |
| B.1.1.7 (Alpha) | ORF1ab | Chan-ORF1ab | CGCATACAGTCTTRCAGGCT | 20 | 50 | 16220 | 16239 | F | -9199.57 | China |
| BA.1.13.1 | ORF1ab | Won-ORF1ab | CATGTGTGGCGGTTCACTAT | 20 | 50 | 15441 | 15460 | F | -20179.8 | South Korea |
| B.1.1.7 (Alpha) | ORF1ab | HKU-ORF1b | TGGGGYTTTACRGGTAACCT | 20 | 45 | 18778 | 18797 | F | -5011.39 | Hong Kong |
| BA.1.13.1 | ORF1ab | Young-ORF1ab | TCATTGTTAATGCCTATATTAACC | 24 | 29.17 | 14155 | 14178 | F | -17579.7 | Singapore |
| B.1.1.7 (Alpha) | S | Young-S | TATACATGTCTCTGGGACCA | 20 | 45 | 21763 | 21782 | F | -11273.5 | Singapore |
| B.1.1.7 (Alpha) | ORF1ab | NIID WH-1 F509R854 | CTCGAACTGCACCTCATGG | 19 | 57.89 | 492 | 510 | F | -19531.2 | Japan |
| B.1.1.7 (Alpha) | S | Chan-S | CCTACTAAATTAAATGATCTCTGCTTTACT | 30 | 30 | 22712 | 22741 | F | -23290.6 | China |
| BA.1.13.1 | E | Won-E | TTCGGAAGAGACAGGTACGTT | 21 | 47.62 | 26259 | 26279 | F | -15679.8 | South Korea |
| B.1.1.7 (Alpha) | S | Won-S | CTACATGCACCAGCAACTGT | 20 | 50 | 23114 | 23133 | F | -19568.9 | South Korea |
| B.1.1.7 (Alpha) | E | Won-E | TTCGGAAGAGACAGGTACGTT | 21 | 47.62 | 26259 | 26279 | F | -19940.8 | South Korea |
| Lineage (WHO label) | Target Gene | Primer Name | Primer Sequence | Primer Length | Primer GC Content (%) | Start Position | End Position | Primer Direction | ΔG (cal) | Primer first used |