Crystal structure of human NA-63 Fab in complex with neuraminidase from A/Hunan/02650/2016(H7N9)
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) |
|---|---|---|---|---|---|
| B [auth A] | SCOP2B Superfamily | Sialidases | 8093678 | 3001607 | SCOP2B (2022-06-29) |
| A [auth B] | SCOP2B Superfamily | Sialidases | 8093678 | 3001607 | 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 H] | e6pzfH1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: SBP_bac_1 | F: | ECOD (20:10:01) | |
| D [auth F] | e6pzfF1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: SBP_bac_1 | F: | ECOD (20:10:01) | |
| E [auth L] | e6pzfL1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: SBP_bac_1 | F: | ECOD (20:10:01) | |
| C [auth E] | e6pzfE1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: SBP_bac_1 | F: | ECOD (20:10:01) | |
| B [auth A] | e6pzfA1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: SBP_bac_1 | F: | ECOD (20:10:01) | |
| A [auth B] | e6pzfB1 | A: Nat/Ivy | X: Acyl-CoA N-acyltransferases (Nat) | H: Acyl-CoA N-acyltransferases (Nat) | T: SBP_bac_1 | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| F [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth A] | 2.120.10.10 | Mainly Beta | 6 Propeller | Neuraminidase | CATH (utative) | |
| A [auth B] | 2.120.10.10 | Mainly Beta | 6 Propeller | Neuraminidase | 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 |
|---|---|---|---|---|---|---|---|---|
| D [auth F], F [auth H] | Fab NA-63, anti-N9 | VH-CH1 | Homo sapiens (human) | IGHV3-7*01, IGHV3-7*02, IGHV3-7*03, IGHV3-7*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03, IGHG1*08, IGHG1*06 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) |
| C [auth E], E [auth L] | Fab NA-63, anti-N9 | L-KAPPA | Homo sapiens (human) | IGKV1-39*01, IGKV1D-39*01, IGKJ2*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202609-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| D [auth F], F [auth H] | Heavy Chain | IGHV3 | - | neuraminidase | SAbDab (2026-03-13) |
| C [auth E], E [auth L] | Light Chain | IGKV1 | Kappa | neuraminidase | SAbDab (2026-03-13) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| A [auth B], B [auth A] | IPR001860 | Glycoside hydrolase, family 34 | Family |
| A [auth B], B [auth A] | IPR033654 | Sialidase, Influenza viruses A/B | Domain |
| A [auth B], B [auth A] | IPR036278 | Sialidase superfamily | Homologous Superfamily |














