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Crystal structure of Anti-Heroin Antibody HY4-1F9 Fab Complexed with Morphine External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) D [auth M] MATH_2 e7u62M1 A: alpha arrays X: cradle loop barrel H: RIFT-related T: FMN-binding split barrel F: MATH_2 ECOD (v295.2) B [auth L] MATH_2 e7u62L1 A: alpha arrays X: cradle loop barrel H: RIFT-related T: FMN-binding split barrel F: MATH_2 ECOD (v295.2) C [auth I] MATH_2 e7u62I1 A: alpha arrays X: cradle loop barrel H: RIFT-related T: FMN-binding split barrel F: MATH_2 ECOD (v295.2) A [auth H] MATH_2 e7u62H1 A: alpha arrays X: cradle loop barrel H: RIFT-related T: FMN-binding split barrel F: MATH_2 ECOD (v295.2)
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 (2026-10-02) 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 (2026-10-02)