Annotations: 6I01

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	KOG3760	e6i01A1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: KOG3760	ECOD (1.6)
A	C5-epim_C	e6i01A2	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: C5-epim_C	ECOD (1.6)
B	KOG3760	e6i01B1	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: KOG3760	ECOD (1.6)
B	C5-epim_C	e6i01B2	A: alpha superhelices	X: Repetitive alpha hairpins	H: alpha/alpha toroid (From Topology)	T: alpha/alpha toroid	F: C5-epim_C	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF21174	D-glucuronyl C5-epimerase, beta-sandwich domain (Glce_b_sandwich)	D-glucuronyl C5-epimerase, beta-sandwich domain	This domain is found centrally in D-glucuronyl C5-epimerase from humans (Glce) and similar proteins involved in glycan metabolism and heparin biosynthesis in animals. Glce is essential for the reversible epimerisation of D-glucuronic acid (GlcA) into ...	This domain is found centrally in D-glucuronyl C5-epimerase from humans (Glce) and similar proteins involved in glycan metabolism and heparin biosynthesis in animals. Glce is essential for the reversible epimerisation of D-glucuronic acid (GlcA) into L-iduronic acid (IdoA), contributing to generate functional protein-binding motifs to ensure polymer function. This protein consists of three intertwined domains. This entry represents a classical beta-sandwich domain that consists predominantly of a convex four-stranded beta- -sheet and a concave seven-stranded beta-sheet. It is inserted between two of the helices of the C-terminal alpha-barrel domain (whose most C-terminal region is represented by Pfam:PF06662) [1,2].	Domain
A, B	PF06662	D-glucuronyl C5-epimerase C-terminus (C5-epim_C)	D-glucuronyl C5-epimerase C-terminus	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	D-glucuronyl C5-epimerase	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding isomerase activity heparosan-N-sulfate-glucuronate 5-epimerase activity racemase and epimerase activity racemase and epimerase activity, acting on carbohydrates and derivatives catalytic activity identical protein binding protein binding protein homodimerization activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding isomerase activity heparosan-N-sulfate-glucuronate 5-epimerase activity racemase and epimerase activity racemase and epimerase activity, acting on carbohydrates and derivatives catalytic activity identical protein binding protein binding protein homodimerization activity protein dimerization activity	cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus positive regulation of cell communication cell surface receptor protein serine/threonine kinase signaling pathway regulation of cellular process positive regulation of signal transduction response to stimulus signaling regulation of transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction enzyme-linked receptor protein signaling pathway positive regulation of cellular process regulation of biological process regulation of signaling cell surface receptor signaling pathway biological regulation positive regulation of intracellular signal transduction positive regulation of transmembrane receptor protein serine/threonine kinase signaling pathway SMAD protein signal transduction regulation of response to stimulus regulation of cell communication cellular process regulation of SMAD protein signal transduction positive regulation of SMAD protein signal transduction positive regulation of signaling cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation carbohydrate derivative biosynthetic process proteoglycan biosynthetic process heparin proteoglycan biosynthetic process glycoprotein biosynthetic process carbohydrate derivative metabolic process primary metabolic process glycoprotein metabolic process macromolecule biosynthetic process biosynthetic process metabolic process protein metabolic process macromolecule metabolic process proteoglycan metabolic process heparin proteoglycan metabolic process heparan sulfate proteoglycan biosynthetic process heparan sulfate proteoglycan metabolic process sulfur compound biosynthetic process sulfur compound metabolic process regulation of cellular component organization negative regulation of cellular component organization cell projection organization regulation of cell projection organization negative regulation of biological process cellular component organization negative regulation of cellular process cellular component organization or biogenesis negative regulation of cell projection organization	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system Golgi membrane membrane bounding membrane of organelle organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039721	D-glucuronyl C5-epimerase	Family
A, B	IPR010598	D-glucuronyl C5-epimerase, C-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: O94923	psoriasis acute myeloid leukemia cystic fibrosis hepatocellular carcinoma malignant ependymoma medulloblastoma pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma subependymal giant cell astrocytoma astrocytic tumor exocrine pancreatic carcinoma lung cancer malignant glioma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm psoriasis acute myeloid leukemia cystic fibrosis hepatocellular carcinoma malignant ependymoma medulloblastoma pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma subependymal giant cell astrocytoma astrocytic tumor exocrine pancreatic carcinoma lung cancer malignant glioma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm pituitary cancer atypical teratoid rhabdoid tumor glioblastoma lung carcinoma malignant pancreatic neoplasm osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia

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.