Cryo-EM structure of the VRC315 clinical trial, vaccine-elicited, human antibody 1D12 in complex with an H7 SH13 HA trimer
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| L [auth G] | SCOP2B Superfamily | Influenza hemagglutinin domain-like | 8103232 | 3001342 | SCOP2B (2022-06-29) |
| K [auth C] | SCOP2B Superfamily | Influenza hemagglutinin domain-like | 8103232 | 3001342 | SCOP2B (2022-06-29) |
| A | SCOP2 Family | Influenza hemagglutinin headpiece | 8103231 | 4002506 | SCOP2 (2022-06-29) |
| A | SCOP2 Superfamily | Influenza hemagglutinin domain-like | 8103232 | 3001342 | SCOP2 (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| J [auth K] | V-set_8 | e6wxlK1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| G [auth F] | V-set_8 | e6wxlF1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| D [auth H] | V-set_8 | e6wxlH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| I [auth J] | V-set | e6wxlJ1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| F [auth E] | V-set | e6wxlE1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| C [auth L] | V-set | e6wxlL1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| H [auth I] | Hemagglutinin_2nd | e6wxlI1 | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) |
| E [auth D] | Hemagglutinin_2nd | e6wxlD1 | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) |
| B | Hemagglutinin_2nd | e6wxlB1 | A: alpha bundles | X: Hemagglutinin HA2 chain (From Topology) | H: Hemagglutinin HA2 chain (From Topology) | T: Hemagglutinin HA2 chain | F: Hemagglutinin_2nd | ECOD (1.6) |
| L [auth G] | Hemagglutinin_1st | e6wxlG1 | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) |
| K [auth C] | Hemagglutinin_1st | e6wxlC1 | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) |
| A | Hemagglutinin_1st | e6wxlA1 | A: beta sandwiches | X: jelly-roll | H: Viral protein domain (From Topology) | T: Viral protein domain | F: Hemagglutinin_1st | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| J [auth K] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| I [auth J] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| F [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H [auth I] | 3.90.20.10 | Alpha Beta | Alpha-Beta Complex | Hemagglutinin Ectodomain | Chain B | CATH (utative) |
| E [auth D] | 3.90.20.10 | Alpha Beta | Alpha-Beta Complex | Hemagglutinin Ectodomain | Chain B | CATH (utative) |
| B | 3.90.20.10 | Alpha Beta | Alpha-Beta Complex | Hemagglutinin Ectodomain | Chain B | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| D [auth H], G [auth F], J [auth K] | Heavy Chain | IGHV1 | - | hemagglutinin ha2 chain | hemagglutinin ha1 chain | SAbDab (2025-11-28) |
| C [auth L], F [auth E], I [auth J] | Light Chain | IGKV2 | Kappa | hemagglutinin ha2 chain | hemagglutinin ha1 chain | SAbDab (2025-11-28) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A, K [auth C], L [auth G] | PF00509 | Haemagglutinin (Hemagglutinin) | Haemagglutinin | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| B, E [auth D], H [auth I] | IPR001364 | Haemagglutinin, influenzavirus A/B | Family |
| B, E [auth D], H [auth I] | IPR008980 | Viral capsid/haemagglutinin protein | Homologous Superfamily |
| B, E [auth D], H [auth I] | IPR000149 | Haemagglutinin, influenzavirus A | Family |
| B, E [auth D], H [auth I] | IPR013828 | Haemagglutinin, HA1 chain, alpha/beta domain superfamily | Homologous Superfamily |
| A, K [auth C], L [auth G] | IPR001364 | Haemagglutinin, influenzavirus A/B | Family |
| A, K [auth C], L [auth G] | IPR008980 | Viral capsid/haemagglutinin protein | Homologous Superfamily |
| A, K [auth C], L [auth G] | IPR000149 | Haemagglutinin, influenzavirus A | Family |
| A, K [auth C], L [auth G] | IPR013828 | Haemagglutinin, HA1 chain, alpha/beta domain superfamily | Homologous Superfamily |














