Annotations: 7TPG

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	adh_short_C2	e7tpgL1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: adh_short_C2	ECOD (v294.2)
B [auth H]	adh_short_C2	e7tpgH1	A: beta barrels	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: adh_short_C2	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
B [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV1	Kappa	putative cell surface polysaccharide polymerase/ligase	SAbDab (2026-05-08)
B [auth H]	Heavy Chain	IGHV3	-	putative cell surface polysaccharide polymerase/ligase	SAbDab (2026-05-08)

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF04932	O-Antigen ligase (Wzy_C)	O-Antigen ligase	-	Family

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	Fab Light (L) Chain	-	-	-
B [auth H]	Fab Heavy (H) Chain	-	-	-
A [auth B]	Putative cell surface polysaccharide polymerase/ligase	-	-	cellular anatomical structure membrane

Chains	Accession	Name	Type
A [auth B]	IPR007016	O-antigen ligase-related domain	Domain
A [auth B]	IPR051533	O-antigen ligase-like	Family

Chains	External Link	Type	Class	Superfamily	Family
A [auth B]	OPM	Transmembrane	Alpha-helical polytopic	Bacterial peptidoglycan synthesis proteins	O-antigen polymerase family

Chains	External Link	Comment
A [auth B]	PDBTM	Annotated as membrane protein by PDBTM

Chains	Resource Link	Group	Subgroup	Protein
A [auth B]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Glycosyltransfereases	WaaL O-antigen ligase, ligand-bound state

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

7TPG | pdb_00007tpg