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Crystal structure of the phosphonate-modified A.5 antibody FAB fragment External Resource: Annotation Chains Family Name Domain Identifier Architecture Possible Homology Homology Topology Family Provenance Source (Version) B [auth L] SpoU_methylase e6y1nL1 A: alpha arrays X: putative RnfG subunit of electron transport complex H: putative RnfG subunit of electron transport complex T: Aspartate/ornithine carbamoyltransferase F: SpoU_methylase ECOD (v295.2) A [auth H] SpoU_methylase e6y1nH1 A: alpha arrays X: putative RnfG subunit of electron transport complex H: putative RnfG subunit of electron transport complex T: Aspartate/ornithine carbamoyltransferase F: SpoU_methylase ECOD (v295.2)
Chain Protein Name Description Organism Name Gene Allele Name(s) Domain Name(s) Receptor Type Receptor Description Provenance Source B [auth L] Fab A.5 mutant L47R 1C-LIKE Homo sapiens (human) IGLV1-47*01, IGLJ2*01, IGLJ3*02, IGLJ3*01, IGKC*01 V-DOMAIN V-LAMBDA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_LAMBDA IMGT (202637-0) A [auth H] Fab A.5 mutant L47R VH-CH1 Homo sapiens (human) IGHV4-31*02, IGHV4-31*03, IGHJ1*01, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202637-0)
Chain Chain Class Chain Subclass Chain Type Antigen Name(s) Provenance Source B [auth L] Light Chain IGLV1 Lambda 8-METHYL-8-AZABICYCLO[3.2.1]OCTAN-3-YL PHENYLPHOSPHONATE SAbDab (2026-09-25) A [auth H] Heavy Chain IGHV4 - 8-METHYL-8-AZABICYCLO[3.2.1]OCTAN-3-YL PHENYLPHOSPHONATE SAbDab (2026-09-25)