Therapeutic | Sipavibart |
Target | SARS-CoV-2 Spike RBD |
Heavy Chain | EVQLVESGGGLVQPGRSLRLSCAASGFPFDDYAIHWVRLAPGKGLEWVSSISWDSGSIGYADSVKGRFTISRDNAKNSLYLQMNSLRAEDTALYYCAKGAFPGYSSGWYYGLEVWGQGTTVTVSS |
Light Chain | QSVVTQPPSASGSLGQSVTISCTGTSSDVGGYNYVSWYQQHPGKAPKLMIFEVSKRPSGVPDRFSGSKSGNTASLTVSGLQAEDEADYYCSSYAGNKGVFGGGTKLTVL |
100% seqID Fv Structure | None |
99% seqID Fv Structure | None |
95-98% seqID Fv Structure | 7zff [Fvs: HL], 8cbf [Fvs: HL] |
95-98% seqID Structure | 7zff [Fvs: HL] |
95-98% seqID Structure | 8cbf [Fvs: HL] |
There are no identical PDB matches to this therapeutic Fv. Click here to build a model with ABodyBuilder2. |
Non-identical sequences have been numbered using the Chothia scheme and aligned to Sipavibart.
CDR positions are indicated in blue. Mismatching positions are highlighted in orange.
Heavy chain
Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 52A | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 82A | 82B | 82C | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 100A | 100B | 100C | 100D | 100E | 100F | 100G | 100H | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 |
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sipavibart | E | V | Q | L | V | E | S | G | G | G | L | V | Q | P | G | R | S | L | R | L | S | C | A | A | S | G | F | P | F | D | D | Y | A | I | H | W | V | R | L | A | P | G | K | G | L | E | W | V | S | S | I | S | W | D | S | G | S | I | G | Y | A | D | S | V | K | G | R | F | T | I | S | R | D | N | A | K | N | S | L | Y | L | Q | M | N | S | L | R | A | E | D | T | A | L | Y | Y | C | A | K | G | A | F | P | G | Y | S | S | G | W | Y | Y | G | L | E | V | W | G | Q | G | T | T | V | T | V | S | S |
7zff | E | V | Q | L | L | E | T | G | G | G | L | V | Q | P | G | R | S | L | R | L | S | C | A | A | S | G | F | P | F | D | D | Y | A | I | H | W | V | R | L | A | P | G | K | G | L | E | W | V | S | S | I | S | W | D | S | G | S | I | G | Y | A | D | S | V | K | G | R | F | T | I | S | R | D | N | A | K | N | S | L | Y | L | Q | M | N | S | L | R | A | E | D | T | A | L | Y | Y | C | A | K | G | A | F | P | G | Y | S | S | G | W | Y | Y | G | L | D | V | W | G | Q | G | A | T | V | T | V | S | S |
Light chain
Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 30A | 30B | 30C | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 |
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sipavibart | Q | S | V | V | T | Q | P | P | S | A | S | G | S | L | G | Q | S | V | T | I | S | C | T | G | T | S | S | D | V | G | G | Y | N | Y | V | S | W | Y | Q | Q | H | P | G | K | A | P | K | L | M | I | F | E | V | S | K | R | P | S | G | V | P | D | R | F | S | G | S | K | S | G | N | T | A | S | L | T | V | S | G | L | Q | A | E | D | E | A | D | Y | Y | C | S | S | Y | A | G | N | K | G | V | F | G | G | G | T | K | L | T | V | L |
7zff | Q | S | V | V | T | Q | P | P | S | A | S | G | S | L | G | Q | S | V | T | I | S | C | T | G | T | S | S | D | V | G | G | Y | N | Y | V | S | W | Y | Q | Q | H | P | G | K | A | P | K | L | M | I | F | E | V | S | K | R | P | S | G | V | P | D | R | F | S | G | S | K | S | G | N | T | A | S | L | T | V | S | G | L | Q | A | E | D | E | A | D | Y | Y | C | S | S | Y | A | G | N | K | G | V | F | G | G | G | T | K | L | T | V | L |
Heavy chain
Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 52A | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 82A | 82B | 82C | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 100A | 100B | 100C | 100D | 100E | 100F | 100G | 100H | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 |
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sipavibart | E | V | Q | L | V | E | S | G | G | G | L | V | Q | P | G | R | S | L | R | L | S | C | A | A | S | G | F | P | F | D | D | Y | A | I | H | W | V | R | L | A | P | G | K | G | L | E | W | V | S | S | I | S | W | D | S | G | S | I | G | Y | A | D | S | V | K | G | R | F | T | I | S | R | D | N | A | K | N | S | L | Y | L | Q | M | N | S | L | R | A | E | D | T | A | L | Y | Y | C | A | K | G | A | F | P | G | Y | S | S | G | W | Y | Y | G | L | E | V | W | G | Q | G | T | T | V | T | V | S | S |
8cbf | E | V | Q | L | L | E | T | G | G | G | L | V | Q | P | G | R | S | L | R | L | S | C | A | A | S | G | F | P | F | D | D | Y | A | I | H | W | V | R | L | A | P | G | K | G | L | E | W | V | S | S | I | S | W | D | S | G | S | I | G | Y | A | D | S | V | K | G | R | F | T | I | S | R | D | N | A | K | N | S | L | Y | L | Q | M | N | S | L | R | A | E | D | T | A | L | Y | Y | C | A | K | G | A | F | P | G | Y | S | S | G | W | Y | Y | G | L | D | V | W | G | Q | G | A | T | V | T | V | S | S |
Light chain
Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 30A | 30B | 30C | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 |
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sipavibart | Q | S | V | V | T | Q | P | P | S | A | S | G | S | L | G | Q | S | V | T | I | S | C | T | G | T | S | S | D | V | G | G | Y | N | Y | V | S | W | Y | Q | Q | H | P | G | K | A | P | K | L | M | I | F | E | V | S | K | R | P | S | G | V | P | D | R | F | S | G | S | K | S | G | N | T | A | S | L | T | V | S | G | L | Q | A | E | D | E | A | D | Y | Y | C | S | S | Y | A | G | N | K | G | V | F | G | G | G | T | K | L | T | V | L |
8cbf | Q | S | V | V | T | Q | P | P | S | A | S | G | S | L | G | Q | S | V | T | I | S | C | T | G | T | S | S | D | V | G | G | Y | N | Y | V | S | W | Y | Q | Q | H | P | G | K | A | P | K | L | M | I | F | E | V | S | K | R | P | S | G | V | P | D | R | F | S | G | S | K | S | G | N | T | A | S | L | T | V | S | G | L | Q | A | E | D | E | A | D | Y | Y | C | S | S | Y | A | G | N | K | G | V | F | G | G | G | T | K | L | T | V | L |
Follow these links to our prediction tools:
Format | Whole mAb |
Isotype | G1 |
Highest Clinical Trial (Aug '24) | Phase-III |
Estimated Status (Aug '24) | Active |
Recorded Developmental Technology | |
INN Year Proposed | 2023 |
INN Year Recommended | None |
Companies Involved | AstraZeneca, RQ Bio |
Conditions Approved | na |
Conditions Active | COVID 2019 infections |
Conditions Discontinued | na |
Notes |
Schneider, C., Raybould, M.I.J., Deane, C.M. (2022) SAbDab in the Age of Biotherapeutics: Updates including SAbDab-Nano, the Nanobody Structure Tracker. Nucleic Acids Res. 50(D1):D1368-D1372 [link]
SAbDab paper: Dunbar, J., Krawczyk, K. et al (2014). Nucleic Acids Res. 42. D1140-D1146 [link]
Thera-SAbDab paper: Raybould, M.I.J., Marks, C. et al (2019). Nucleic Acids Res. gkz827 [link]