N2 neuraminidase of A/Tanzania/205/2010 H3N2 in complex with 4 FNI19 Fab molecules
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| K | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| J | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth G] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth F], E [auth I], H [auth L], K | Light Chain | IGKV3 | Kappa | neuraminidase | SAbDab (2025-11-07) |
| A [auth E], D [auth G], G [auth H], J | Heavy Chain | IGHV1 | - | neuraminidase | SAbDab (2025-11-07) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| C [auth M], F [auth N], I [auth O], L [auth P] | PF00064 | Neuraminidase (Neur) | Neuraminidase | - | Repeat |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| C [auth M], F [auth N], I [auth O], L [auth P] | IPR001860 | Glycoside hydrolase, family 34 | Family |
| C [auth M], F [auth N], I [auth O], L [auth P] | IPR033654 | Sialidase, Influenza viruses A/B | Domain |
| C [auth M], F [auth N], I [auth O], L [auth P] | IPR036278 | Sialidase superfamily | Homologous Superfamily |














