Crystal structure of Fab 54-4H03
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | d6wj0l2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| B [auth L] | d6wj0l1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth H] | d6wj0h1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
| A [auth H] | d6wj0h2 | Artifacts | Tags | Tags | Tags | N-terminal Tags | Human (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] | Phage_lysozyme | e6wj0L1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | F: Phage_lysozyme | ECOD (v294.1) |
| A [auth H] | Phage_lysozyme | e6wj0H1 | A: a/b three-layered sandwiches | X: Immunoglobulin-like beta-sandwich | H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases | F: Phage_lysozyme | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth H] | 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 |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | Fab 54-4H03, anti-HA, broadly neutralizing | L-KAPPA | Homo sapiens (human) | IGKV3-20*01, IGKJ2*01, IGKC*04 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202615-0) |
| A [auth H] | Fab 54-4H03, anti-HA, broadly neutralizing | VH-CH1 | Homo sapiens (human) | IGHV6-1*01, IGHV6-1*02, IGHJ2*01, IGHG1*03, IGHG1*08, IGHG1*06 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_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 | IGHV6 | - | - | SAbDab (2026-04-24) |














