3U36 | pdb_00003u36

Crystal Structure of PG9 Fab

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
D [auth B]CMAS, Methyltransf_25e3u36B1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
H [auth F]CMAS, Methyltransf_25e3u36F1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
F [auth D]CMAS, Methyltransf_25e3u36D1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
B [auth L]CMAS, Methyltransf_25e3u36L1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
A [auth H]CMAS, Methyltransf_25e3u36H1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
C [auth A]CMAS, Methyltransf_25e3u36A1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
E [auth C]CMAS, Methyltransf_25e3u36C1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)
G [auth E]CMAS, Methyltransf_25e3u36E1 A: alpha bundlesX: Lipocalins/StreptavidinH: Zn-dependent exopeptidasesT: Zn-dependent exopeptidasesF: CMAS, Methyltransf_25ECOD (develop294)

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)
H [auth F]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
F [auth D]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)
A [auth H]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)
E [auth C]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
G [auth E]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],
F [auth D],
H [auth F]		neutralizing L-LAMBDA Homo sapiens (human) IGLV2-14*01, IGLJ1*01, IGLJ2*01, IGLJ3*02, IGLJ3*01, IGLC3*03 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)
A [auth H],
C [auth A],
E [auth C],
G [auth E]		neutralizing VH-CH1 Homo sapiens (human) IGHV3-30*02, IGHV3-30*03, IGHV3-30*06, IGHV3-30*12, IGHV3-30*19, IGHV3-33*01, IGHV3-33*04, IGHV3-33*05, IGHJ6*03, IGHG1*01, IGHG1*02, IGHG1*04 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth L],
D [auth B],
F [auth D],
H [auth F]		Light ChainIGLV2 Lambda-SAbDab (2026-03-20)
A [auth H],
C [auth A],
E [auth C],
G [auth E]		Heavy ChainIGHV3 --SAbDab (2026-03-20)