Crystal structure of Anti-Heroin Antibody HY4-1F9 Fab Complexed with Morphine
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| D [auth M] | MATH_2 | e7u62M1 | A: beta barrels | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: MATH_2 | ECOD (v294.2) |
| B [auth L] | MATH_2 | e7u62L1 | A: beta barrels | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: MATH_2 | ECOD (v294.2) |
| C [auth I] | MATH_2 | e7u62I1 | A: beta barrels | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: MATH_2 | ECOD (v294.2) |
| A [auth H] | MATH_2 | e7u62H1 | A: beta barrels | X: RNase A-like | H: Cytochrome P450 | T: Cytochrome P450 | F: MATH_2 | ECOD (v294.2) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D [auth M] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth H] | 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 L], D [auth M] | Light Chain | IGLV1 | Lambda | (7R,7AS,12BS)-3-METHYL-2,3,4,4A,7,7A-HEXAHYDRO-1H-4,12-METHANO[1]BENZOFURO[3,2-E]ISOQUINOLINE-7,9-DIOL | SAbDab (2026-05-08) |
| A [auth H], C [auth I] | Heavy Chain | IGHV4 | - | (7R,7AS,12BS)-3-METHYL-2,3,4,4A,7,7A-HEXAHYDRO-1H-4,12-METHANO[1]BENZOFURO[3,2-E]ISOQUINOLINE-7,9-DIOL | SAbDab (2026-05-08) |














