An ultra-potent human neutralizing antibody locks the SARS-CoV-2 spike in the closed conformation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth H] | d7k3qh_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| B [auth L] | d7k3ql1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | V set domains (antibody variable domain-like) | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| B [auth L] | d7k3ql2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth H] | e7k3qH1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: C2 | F: | ECOD (20:10:01) | |
| B [auth L] | e7k3qL1 | A: Family A G protein-coupled receptor-like | X: Family A G protein-coupled receptor-like | H: Family A G protein-coupled receptor-like | T: C2 | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
IMGT Antibody Annotation IMGT Database Homepage
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
|---|---|---|---|---|---|---|---|---|
| A [auth H] | Fab S2E12, anti-SARS-CoV-2, neutralizing | VH-CH1 | Homo sapiens (human) | IGHV1-58*01, IGHJ3*02, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) |
| B [auth L] | Fab S2E12, anti-SARS-CoV-2, neutralizing | L-KAPPA | Homo sapiens (human) | IGKV3-20*01, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| A [auth H] | Heavy Chain | IGHV1 | - | - | SAbDab (2026-03-13) |
| B [auth L] | Light Chain | IGKV3 | Kappa | - | SAbDab (2026-03-13) |
