10A1 Fab in complex with CD99 peptide
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth C] | G-gamma | e7sfxC1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| D [auth A] | G-gamma | e7sfxA1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| G | G-gamma | e7sfxG1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| I [auth J] | G-gamma | e7sfxJ1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| B [auth D] | G-gamma | e7sfxD1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| E [auth B] | G-gamma | e7sfxB1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| H | G-gamma | e7sfxH1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
| J [auth K] | G-gamma | e7sfxK1 | A: a/b three-layered sandwiches | X: RNase A-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: G-gamma | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A [auth C] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| G | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| I [auth J] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth D] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| J [auth K] | 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 |
|---|---|---|---|---|---|
| A [auth C], D [auth A], G, I [auth J] | Heavy Chain | IGHV6 | - | cd99 antigen peptide | SAbDab (2026-04-10) |
| B [auth D], E [auth B], H, J [auth K] | Light Chain | IGLV3 | Lambda | cd99 antigen peptide | SAbDab (2026-04-10) |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| C [auth F], F [auth E] | IPR022078 | CD99 antigen-like protein 2 | Family |














