Annotations: 6OC7

HMP42 Fab in complex with Protein G

External Resource: Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d6oc7l2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth L]	d6oc7l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d6oc7c1	Alpha and beta proteins (a+b)	beta-Grasp (ubiquitin-like)	Immunoglobulin-binding domains	Immunoglobulin-binding domains	Immunoglobulin-binding protein G, different constituent domains	(Streptococcus sp. 'group G ) [TaxId: 1320 ],	SCOPe (2.08)
C	d6oc7c2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Streptococcus sp. 'group G ) [TaxId: 1320 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth H]	C1-set	e6oc7H1	A: beta barrels	X: Family A G protein-coupled receptor-like	H: beta-sandwich domain in metalloprotease stcE	T: Restriction endonuclease-like	F: C1-set	ECOD (v294.2)
B [auth L]	C1-set	e6oc7L1	A: beta barrels	X: Family A G protein-coupled receptor-like	H: beta-sandwich domain in metalloprotease stcE	T: Restriction endonuclease-like	F: C1-set	ECOD (v294.2)
C	C1-set	e6oc7C1	A: beta barrels	X: Family A G protein-coupled receptor-like	H: beta-sandwich domain in metalloprotease stcE	T: Restriction endonuclease-like	F: C1-set	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
C	3.10.20.10	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (utative)

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
A [auth H]	Fab HMP42, anti-HIV, broadly neutralizing	VH-CH1	Homo sapiens (human)	IGHV1-202, IGHJ604, IGHG101, IGHG102, IGHG104, IGHG105, IGHG112, IGHG114, IGHG113, IGHG109, IGHG110, IGHG107, IGHG1*11	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202617-0)
B [auth L]	Fab HMP42, anti-HIV, broadly neutralizing	L-LAMBDA	Homo sapiens (human)	IGLV3-2502, IGLJ201, IGLJ301, IGLC201, IGLC202, IGLC304	V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H]	Heavy Chain	IGHV1	-	-	SAbDab (2026-05-08)
B [auth L]	Light Chain	IGLV3	Lambda	-	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H]	Heavy chain of HMP42 Fab	-	-	-
B [auth L]	Light chain for HMP42 Fab	-	-	-
C	Immunoglobulin G-binding protein G	protein-containing complex binding binding immunoglobulin binding IgG binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
C	IPR005877	YSIRK Gram-positive signal peptide	Domain
C	IPR000724	IgG-binding B	Domain
C	IPR019950	M protein-type anchor motif	Conserved Site
C	IPR035152	GA-like domain	Domain
C	IPR019931	LPXTG cell wall anchor motif	Conserved Site

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