Crystal structure of a free scFv molecule from a group 2 influenza A viruses HA binding antibody AF4H1K1
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | d6j9ol_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth H] | d6j9oh_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | V set domains (antibody variable 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) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | Dyp_perox_N | e6j9oL1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Dyp_perox_N | ECOD (v294.1) |
| A [auth H] | Dyp_perox_N | e6j9oH1 | A: a/b three-layered sandwiches | X: P-loop domains-like | H: P-loop domains-related | T: P-loop containing nucleoside triphosphate hydrolases | F: Dyp_perox_N | ECOD (v294.1) |
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 |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | Fv AF4H1K1 | V-KAPPA | Homo sapiens (human) | IGKV3-20*01, IGKJ1*01 | V-DOMAIN V-KAPPA | IG | FV-HEAVY_KAPPA | IMGT (202615-0) |
| A [auth H] | Fv AF4H1K1 | VH | Homo sapiens (human) | IGHV3-30*01, IGHV3-30*04, IGHV3-30*07, IGHV3-30*11, IGHV3-30*14, IGHV3-30*16, IGHV3-30*17, IGHV3-30-3*01, IGHV3-30-3*03, IGHJ4*01, IGHJ4*02, IGHJ4*03 | V-DOMAIN VH | IG | FV-HEAVY_KAPPA | IMGT (202615-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth L] | Light Chain | IGKV3 | Kappa | - | SAbDab (2026-04-24) |
| A [auth H] | Heavy Chain | IGHV3 | - | - | SAbDab (2026-04-24) |














