4H20 | pdb_00004h20

Crystal Structure and Computational Modeling of the Fab Fragment from the Protective anti-Ricin Monoclonal Antibody RAC18

External Resource: Annotation


Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth L]d4h20l2 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin C1 set domains (antibody constant domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
A [auth L]d4h20l1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)
B [auth H]d4h20h_ All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin V set domains (antibody variable domain-like) automated matches (Mus musculus ) [TaxId: 10090 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth L]MR_MLE_Ce4h20L1 A: a/b three-layered sandwichesX: Globin-likeH: Nucleoside diphosphate kinasesT: Nucleoside diphosphate kinasesF: MR_MLE_CECOD (v294.1)
B [auth H]MR_MLE_Ce4h20H1 A: a/b three-layered sandwichesX: Globin-likeH: Nucleoside diphosphate kinasesT: Nucleoside diphosphate kinasesF: MR_MLE_CECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A [auth L]FAB FRAGMENT FROM THE ANTI-RICIN MONOCLONAL L-KAPPA Mus musculus (house mouse) IGKV6-17*01, IGKJ5*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-2C_KAPPA IMGT (202614-0)
B [auth H]FAB FRAGMENT FROM THE ANTI-RICIN MONOCLONAL VH-CH1 Mus musculus (house mouse) IGHV1-19*01, IGHJ3*01, IGHG2A*01, IGHG2A*02, IGHG2B*01, IGHG2B*02, IGHG2C*01, IGHG2C*02, IGHG2C*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-2C_KAPPA IMGT (202614-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth L]Light ChainIGKV6 Kappa-SAbDab (2026-04-17)
B [auth H]Heavy ChainIGHV1 --SAbDab (2026-04-17)