3U1S | pdb_00003u1s

Crystal structure of human Fab PGT145, a broadly reactive and potent HIV-1 neutralizing antibody

External Resource: Annotation


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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
A [auth L]d3u1sl1 All beta proteins Immunoglobulin-like beta-sandwich Immunoglobulin automated matches automated matches human (Homo sapiens ) [TaxId: 9606 ], SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth H]V-sete3u1sH3 A: alpha bundlesX: Subtilisin-likeH: Subtilisin-likeT: Subtilisin-likeF: V-setECOD (develop294)
A [auth L]H2THe3u1sL1 A: alpha bundlesX: Baculovirus p35 protein-relatedH: RIFT-relatedT: Phage tail proteinsF: H2THECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A [auth L]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 H]PGT145 mAb, anti-gp120 [HIV-1], broadly neutralizing VH-CH1 - IGHV1-8*01, IGHV1-8*02, IGHJ6*01, IGHJ6*02, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
A [auth L]PGT145 mAb, anti-gp120 [HIV-1], broadly neutralizing L-KAPPA - IGKV2-28*01, IGKV2D-28*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV1 --SAbDab (2026-03-20)
A [auth L]Light ChainIGKV2 Kappa-SAbDab (2026-03-20)

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
B [auth H]TYS Parent Component: TYR

RESID:  AA0172

PSI-MOD :  O4'-sulfo-L-tyrosine MOD:00181