Crystal Structure of Fab fragment of monoclonal antibody RoAb13


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]BBEe4s2sB1 A: beta barrelsX: Cytidine deaminase-likeH: Cytidine deaminase-likeT: Cytidine deaminase-likeF: BBEECOD (v294.2)
B [auth L]BBEe4s2sL1 A: beta barrelsX: Cytidine deaminase-likeH: Cytidine deaminase-likeT: Cytidine deaminase-likeF: BBEECOD (v294.2)
C [auth A]BBEe4s2sA1 A: beta barrelsX: Cytidine deaminase-likeH: Cytidine deaminase-likeT: Cytidine deaminase-likeF: BBEECOD (v294.2)
C [auth A]EF-hand_1, EF-hand_6, EF-hand_7e4s2sA2 A: beta barrelsX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: EF-hand_1, EF-hand_6, EF-hand_7ECOD (v294.2)
A [auth H]BBEe4s2sH1 A: beta barrelsX: Cytidine deaminase-likeH: Cytidine deaminase-likeT: Cytidine deaminase-likeF: BBEECOD (v294.2)
A [auth H]EF-hand_1, EF-hand_6, EF-hand_7e4s2sH2 A: beta barrelsX: Lipocalins/StreptavidinH: SAM/DNA-glycosylaseT: SAM domain-likeF: EF-hand_1, EF-hand_6, EF-hand_7ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D [auth B]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C [auth A]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [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
B [auth L],
D [auth B]
RoAb13 mAb, anti-CCR5 [HIV-1], blocking infection L-KAPPA Mus musculus (house mouse) IGKV8-30*01, IGKJ1*01, IGKJ2*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-2A_KAPPA IMGT (202618-0)
A [auth H],
C [auth A]
RoAb13 mAb, anti-CCR5 [HIV-1], blocking infection VH-CH1 Mus musculus (house mouse) IGHV5-9-3*01, IGHJ3*01, IGHG2A*01, IGHG2A*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-2A_KAPPA IMGT (202618-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B]
Light ChainIGKV8 Kappa-SAbDab (2026-05-15)
A [auth H],
C [auth A]
Heavy ChainIGHV5 --SAbDab (2026-05-15)