Annotations: 7SP9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	V-set_12	e7sp9B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
B [auth C]	V-set_12	e7sp9C1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth B]	Heavy Chain	IGHV1	-	hyaluronan synthase	SAbDab (2024-12-13)
B [auth C]	Heavy Chain	IGHV1	-	hyaluronan synthase	SAbDab (2024-12-13)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth A]	PF13641	Glycosyltransferase like family 2 (Glyco_tranf_2_3)	Glycosyltransferase like family 2	Members of this family of prokaryotic proteins include putative glucosyltransferase, which are involved in bacterial capsule biosynthesis [1][2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Nanobody 872	-	-	-
B [auth C]	Nanobody 881	-	-	-
C [auth A]	Hyaluronan synthase	UDP-glycosyltransferase activity glycosyltransferase activity transferase activity hyaluronan synthase activity hexosyltransferase activity catalytic activity	cellular component biogenesis cellular component organization cellular component assembly cellular process extracellular matrix organization cellular component organization or biogenesis extracellular matrix assembly extracellular structure organization external encapsulating structure organization carbohydrate derivative biosynthetic process mucopolysaccharide metabolic process glycosaminoglycan metabolic process carbohydrate derivative metabolic process macromolecule biosynthetic process cellular component biogenesis cellular component organization cellular component assembly cellular process extracellular matrix organization cellular component organization or biogenesis extracellular matrix assembly extracellular structure organization external encapsulating structure organization carbohydrate derivative biosynthetic process mucopolysaccharide metabolic process glycosaminoglycan metabolic process carbohydrate derivative metabolic process macromolecule biosynthetic process hyaluronan biosynthetic process hyaluronan metabolic process biosynthetic process aminoglycan metabolic process aminoglycan biosynthetic process glycosaminoglycan biosynthetic process metabolic process macromolecule metabolic process	cellular anatomical structure membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A]	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
C [auth A]	OPM	Transmembrane	Alpha-helical polytopic	Glycosyl transferase/transporter	Polyisoprenyl-phosphate glycosyltransferase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
C [auth A]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
C [auth A]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Celluose Synthases	hyaluronan synthase

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.