Annotations: 5VAQ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	(Trans)glycosidases	8065802	3000313	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Glyco_hydro_1	e5vaqA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Glyco_hydro_1	ECOD (1.6)
B	V-set_12	e5vaqB1	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)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.80	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Glycosidases	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV1	-	beta-klotho	SAbDab (2024-04-12)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00232	Glycosyl hydrolase family 1 (Glyco_hydro_1)	Glycosyl hydrolase family 1	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Beta-klotho	fibroblast growth factor binding protein binding binding growth factor binding signaling receptor binding fibroblast growth factor receptor binding growth factor receptor binding hydrolase activity, acting on glycosyl bonds hydrolase activity, hydrolyzing O-glycosyl compounds hydrolase activity catalytic activity	regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process response to fibroblast growth factor cellular response to stimulus positive regulation of cell communication cellular response to growth factor stimulus positive regulation of signal transduction regulation of biological process cell population proliferation regulation of cellular process positive regulation of cell population proliferation regulation of cell population proliferation biological regulation positive regulation of biological process cellular process positive regulation of cellular process response to fibroblast growth factor cellular response to stimulus positive regulation of cell communication cellular response to growth factor stimulus positive regulation of signal transduction response to stimulus signaling regulation of signal transduction cell surface receptor protein tyrosine kinase signaling pathway intracellular signal transduction cell communication positive regulation of response to stimulus cellular response to endogenous stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling positive regulation of MAPKKK cascade by fibroblast growth factor receptor signaling pathway cell surface receptor signaling pathway response to endogenous stimulus positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus fibroblast growth factor receptor signaling pathway MAPK cascade regulation of cell communication response to growth factor cellular response to fibroblast growth factor stimulus positive regulation of signaling carbohydrate metabolic process organic substance metabolic process primary metabolic process metabolic process	cell periphery plasma membrane membrane cellular anatomical entity
B	Nb914	-	-	-
C	Fibroblast growth factor 21	protein binding binding signaling receptor binding fibroblast growth factor receptor binding growth factor receptor binding molecular function activator activity molecular function regulator activity signaling receptor regulator activity growth factor activity receptor ligand activity signaling receptor activator activity	endothelial cell apoptotic process cellular process apoptotic process cell death programmed cell death epithelial cell apoptotic process developmental process cellular developmental process cell differentiation anatomical structure morphogenesis animal organ development anatomical structure development animal organ morphogenesis cellular response to stimulus endothelial cell apoptotic process cellular process apoptotic process cell death programmed cell death epithelial cell apoptotic process developmental process cellular developmental process cell differentiation anatomical structure morphogenesis animal organ development anatomical structure development animal organ morphogenesis cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling positive regulation of MAPK cascade biological regulation positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade regulation of cell communication ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling regulation of low-density lipoprotein particle clearance multicellular organismal process plasma lipoprotein particle clearance regulation of lipoprotein particle clearance regulation of multicellular organismal process low-density lipoprotein particle clearance regulation of plasma lipoprotein particle levels cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process response to organic substance homeostatic process response to monosaccharide response to carbohydrate carbohydrate homeostasis cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus cellular response to organic substance response to oxygen-containing compound cellular response to glucose stimulus intracellular glucose homeostasis cellular response to oxygen-containing compound response to hexose cellular response to carbohydrate stimulus cellular response to chemical stimulus cellular homeostasis chemical homeostasis response to glucose response to chemical glucose homeostasis cellular response to nitrogen compound response to endogenous stimulus response to organonitrogen compound response to peptide hormone cellular response to peptide hormone stimulus response to nitrogen compound response to glucagon cellular response to glucagon stimulus cellular response to endogenous stimulus cellular response to organonitrogen compound response to hormone cellular response to hormone stimulus response to activity cell-cell signaling neutral lipid metabolic process catabolic process regulation of triglyceride metabolic process positive regulation of triglyceride metabolic process regulation of lipid metabolic process glycerolipid catabolic process cellular lipid catabolic process regulation of primary metabolic process cellular catabolic process triglyceride catabolic process positive regulation of lipid catabolic process triglyceride metabolic process positive regulation of lipid metabolic process lipid catabolic process neutral lipid catabolic process primary metabolic process acylglycerol catabolic process regulation of catabolic process regulation of lipid catabolic process positive regulation of catabolic process positive regulation of triglyceride catabolic process regulation of cellular catabolic process cellular lipid metabolic process positive regulation of cellular catabolic process glycerolipid metabolic process acylglycerol metabolic process organic substance catabolic process regulation of triglyceride catabolic process lipid metabolic process regulation of cell motility regulation of locomotion regulation of cell migration cell migration cell motility locomotion cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation response to fibroblast growth factor cellular response to growth factor stimulus cell surface receptor protein tyrosine kinase signaling pathway enzyme-linked receptor protein signaling pathway positive regulation of MAPKKK cascade by fibroblast growth factor receptor signaling pathway cell surface receptor signaling pathway fibroblast growth factor receptor signaling pathway response to growth factor cellular response to fibroblast growth factor stimulus adaptive thermogenesis multicellular organismal-level homeostasis regulation of cold-induced thermogenesis cold-induced thermogenesis temperature homeostasis positive regulation of cold-induced thermogenesis positive regulation of multicellular organismal process response to lipoprotein particle cellular response to low-density lipoprotein particle stimulus cellular response to lipoprotein particle stimulus response to acid chemical response to methionine response to amino acid cellular response to xenobiotic stimulus response to xenobiotic stimulus positive regulation of phosphorylation regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of phosphate metabolic process regulation of nitrogen compound metabolic process positive regulation of protein modification process regulation of phosphate metabolic process phosphate-containing compound metabolic process nitrogen compound metabolic process protein metabolic process positive regulation of protein phosphorylation phosphorus metabolic process protein modification process organonitrogen compound metabolic process protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process positive regulation of nitrogen compound metabolic process macromolecule modification regulation of phosphorus metabolic process regulation of phosphorylation response to extracellular stimulus response to nutrient levels response to external stimulus negative regulation of endothelial cell apoptotic process regulation of epithelial cell apoptotic process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death negative regulation of apoptotic process negative regulation of epithelial cell apoptotic process negative regulation of cellular process regulation of endothelial cell apoptotic process positive regulation of molecular function regulation of molecular function positive regulation of low-density lipoprotein receptor activity regulation of localization hexose transmembrane transport glucose import transport carbohydrate transport localization positive regulation of transmembrane transport glucose transmembrane transport regulation of glucose import positive regulation of glucose transmembrane transport regulation of transport organic substance transport establishment of localization transmembrane transport regulation of glucose transmembrane transport regulation of transmembrane transport positive regulation of transport monosaccharide transmembrane transport positive regulation of glucose import carbohydrate transmembrane transport cellular response to topologically incorrect protein endoplasmic reticulum unfolded protein response cellular response to unfolded protein response to unfolded protein cellular response to stress response to stress response to topologically incorrect protein response to endoplasmic reticulum stress	intracellular anatomical structure cytoplasm cellular anatomical entity extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001360	Glycoside hydrolase family 1	Family
A	IPR017853	Glycoside hydrolase superfamily	Homologous Superfamily
C	IPR008996	Cytokine IL1/FGF	Homologous Superfamily
C	IPR035444	Fibroblast growth factor 15/19/21	Family
C	IPR002209	Fibroblast growth factor family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q86Z14	atopic eczema ductal breast carcinoma in situ invasive ductal breast carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia breast carcinoma Emery-Dreifuss muscular dystrophy malignant pancreatic neoplasm pancreatic intraductal papillary-mucinous carcinoma peripheral arterial disease breast fibroadenoma herpes zoster non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm ulcerative colitis
C	Pharos: Q9NSA1	non-alcoholic fatty liver disease obesity disorder type 2 diabetes mellitus middle cerebral artery infarction Diabetes Mellitus, Experimental psoriasis Crohn disease inborn carbohydrate metabolic disorder attention deficit hyperactivity disorder, inattentive type cholelithiasis dental caries fatty liver disease inflammatory bowel disease type 1 diabetes mellitus Behcet disease non-alcoholic fatty liver disease obesity disorder type 2 diabetes mellitus middle cerebral artery infarction Diabetes Mellitus, Experimental psoriasis Crohn disease inborn carbohydrate metabolic disorder attention deficit hyperactivity disorder, inattentive type cholelithiasis dental caries fatty liver disease inflammatory bowel disease type 1 diabetes mellitus Behcet disease colorectal cancer gallbladder disease

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.