Crystal structure of human anti staphylococcus aureus antibody STAU-281 Fab in complex with IsdB NEAT2 domain
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) |
|---|---|---|---|---|---|
| D [auth A] | SCOP2B Superfamily | NEAT domain-like | 8085279 | 3002054 | SCOP2B (2022-06-29) |
| A [auth B] | SCOP2B Superfamily | NEAT domain-like | 8085279 | 3002054 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| F [auth L] | C1-set_4 | e6p9hL1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
| F [auth L] | V-set | e6p9hL2 | 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 D] | C1-set_4 | e6p9hD2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
| C [auth D] | V-set | e6p9hD1 | 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) |
| E [auth H] | C1-set_1 | e6p9hH2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| E [auth H] | V-set_10 | e6p9hH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_10 | ECOD (1.6) |
| B [auth C] | C1-set_1 | e6p9hC2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| B [auth C] | V-set_10 | e6p9hC1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_10 | ECOD (1.6) |
| D [auth A] | NEAT | e6p9hA1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: NEAT | ECOD (1.6) |
| A [auth B] | NEAT | e6p9hB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: NEAT | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| F [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth D] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth C] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth A] | 2.60.40.1850 | Mainly Beta | Sandwich | Immunoglobulin-like | CATH (utative) | |
| A [auth B] | 2.60.40.1850 | Mainly Beta | Sandwich | Immunoglobulin-like | 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 |
|---|---|---|---|---|---|---|---|---|
| C [auth D], F [auth L] | Fab STAU-281 | L-KAPPA | Homo sapiens (human) | IGKV3-15*01, IGKV3D-15*01, IGKJ2*01, IGKJ2*02, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202548-0) |
| B [auth C], E [auth H] | Fab STAU-281 | VH-CH1 | Homo sapiens (human) | IGHV1-69*01, IGHV1-69*12, IGHV1-69*13, IGHV1-69D*01, IGHV1-69*19, IGHJ1*01, 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 (202548-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| C [auth D], F [auth L] | Light Chain | IGKV3 | Kappa | iron-regulated heme-iron binding protein | SAbDab (2025-12-12) |
| B [auth C], E [auth H] | Heavy Chain | IGHV1 | - | iron-regulated heme-iron binding protein | SAbDab (2025-12-12) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A [auth B], D [auth A] | PF05031 | Iron Transport-associated domain (NEAT) | Iron Transport-associated domain | NEAT domains are heme and/or hemoprotein-binding modules highly conserved in secondary structure [1]. They have roles in hemoprotein binding, heme extraction and heme transfer [2] | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
| Chains | Polymer | Molecular Function | Biological Process | Cellular Component |
|---|---|---|---|---|
| C [auth D], F [auth L] | Human anti staphylococcus aureus antibody STAU-281 Fab light chain | - | - | - |
| B [auth C], E [auth H] | Human anti staphylococcus aureus antibody STAU-281 Fab heavy chain | - | - | - |
| A [auth B], D [auth A] | Iron-regulated heme-iron binding protein | - |














