Crystal Structure of an Fab fragment in complex with a peptide from Bacillus subtilis RNase Y
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| E [auth H] | V-set_8 | e6f7tH2 | 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) |
| E [auth H] | C1-set_1 | e6f7tH1 | 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 | V-set_8 | e6f7tB2 | 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) |
| B | C1-set_1 | e6f7tB1 | 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) |
| F [auth L] | C1-set_1 | e6f7tL1 | 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) |
| F [auth L] | V-set_3 | e6f7tL2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_3 | ECOD (1.6) |
| A | C1-set_1 | e6f7tA1 | 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) |
| A | V-set_3 | e6f7tA2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_3 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| E [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| F [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
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, E [auth H] | Fab RY79-90 | VH-CH1 | Mus musculus (house mouse) | IGHV9-3-1*01, IGHJ3*01, IGHG2A*01, IGHG2A*02 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-2A_LAMBDA | IMGT (202548-0) |
| A, F [auth L] | Fab RY79-90 | L-LAMBDA | Mus musculus (house mouse) | IGLV3*01, IGLJ2*01, IGLC2*01, IGLC2*02 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-2A_LAMBDA | IMGT (202548-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B, E [auth H] | Heavy Chain | IGHV9 | - | ribonuclease y | SAbDab (2025-12-12) |
| A, F [auth L] | Light Chain | IGLV3 | Lambda | ribonuclease y | SAbDab (2025-12-12) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR003607 | HD/PDEase domain | Domain | |
| IPR006675 | HDIG domain | Domain | |
| IPR022711 | Ribonuclease Y, N-terminal | Domain | |
| IPR004087 | K Homology domain | Domain | |
| IPR036612 | K Homology domain, type 1 superfamily | Homologous Superfamily | |
| IPR017705 | Ribonuclease Y | Family | |
| IPR004088 | K Homology domain, type 1 | Domain | |
| IPR006674 | HD domain | Domain |














