Annotations: 5C6T

Crystal structure of HCMV glycoprotein B in complex with 1G2 Fab

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Glycoprotein B-like	8072741	4002622	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Viral glycoprotein ectodomain-like	8072742	3001498	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	Methyltransf_23	e5c6tL1	A: alpha arrays	X: Piezo CTL2 domain	H: Piezo CTL2 domain	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_23	ECOD (v295.2)
B [auth H]	Methyltransf_23	e5c6tH1	A: alpha arrays	X: Piezo CTL2 domain	H: Piezo CTL2 domain	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_23	ECOD (v295.2)
A	Methyltransf_23	e5c6tA1	A: alpha arrays	X: Piezo CTL2 domain	H: Piezo CTL2 domain	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Methyltransf_23	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A	2.30.29.100	Mainly Beta	Roll	PH-domain like		CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C [auth L]	1G2 Fab	L-LAMBDA	Homo sapiens (human)	IGLV1-4701, IGLJ302, IGLC201, IGLC202, IGLC3*04	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202636-0)
B [auth H]	1G2 Fab	VH-CH1	Homo sapiens (human)	IGHV4-3901, IGHV4-3907, IGHJ401, IGHJ402, IGHJ403, IGHG103	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202636-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGLV1	Lambda	envelope glycoprotein b	SAbDab (2026-09-18)
B [auth H]	Heavy Chain	IGHV4	-	envelope glycoprotein b	SAbDab (2026-09-18)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	1G2 Fab light chain	-	-	-
B [auth H]	1G2 Fab heavy chain	-	-	-
A	Envelope glycoprotein B	-	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	virion component virion membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell endosome membrane host cell cytoplasm host cell part host cell endosome virion component virion membrane host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane other organism part host cell cytoplasm part host intracellular organelle cellular anatomical structure host cell endosome membrane host cell cytoplasm host cell part host cell endosome host intracellular region viral membrane viral envelope host cell plasma membrane host cell Golgi membrane host cell Golgi apparatus host cell endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR035381	Herpesvirus Glycoprotein B, PH-like domain 2	Domain
A	IPR035377	Herpesvirus Glycoprotein B, PH-like domain 1	Domain
A	IPR055341	Herpesvirus glycoprotein B ectodomain C-terminal	Domain
A	IPR021044	Herpesvirus Glycoprotein B, antigenic domain, N-terminal	Domain
A	IPR000234	Herpesvirus Glycoprotein B	Family
A	IPR038631	Herpesvirus Glycoprotein B, PH-like domain 2 superfamily	Homologous Superfamily