Annotations: 4XTB

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	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	MCU_N	e4xtbA1	A: a+b two layers	X: beta-Grasp	H: Mitochondrial calcium uniporter N-terminal domain (From Topology)	T: Mitochondrial calcium uniporter N-terminal domain	F: MCU_N	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04678	Mitochondrial calcium uniporter (MCU)	Mitochondrial calcium uniporter	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Calcium uniporter protein, mitochondrial	active transmembrane transporter activity transporter activity uniporter activity transmembrane transporter activity secondary active transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity active transmembrane transporter activity transporter activity uniporter activity transmembrane transporter activity secondary active transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity metal ion transmembrane transporter activity identical protein binding protein binding binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis transport monoatomic ion transmembrane transport inorganic ion transmembrane transport mitochondrial transmembrane transport establishment of localization calcium ion transport cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis transport monoatomic ion transmembrane transport inorganic ion transmembrane transport mitochondrial transmembrane transport establishment of localization calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization import into the mitochondrion mitochondrial calcium ion transmembrane transport monoatomic ion transport calcium import into the mitochondrion monoatomic cation transport calcium ion transmembrane transport mitochondrial transport positive regulation of organelle organization regulation of cellular component organization regulation of cellular process positive regulation of cellular component organization regulation of developmental process positive regulation of biological process positive regulation of developmental process anatomical structure development positive regulation of cellular process regulation of anatomical structure morphogenesis mitochondrion organization developmental process regulation of biological process organelle fission biological regulation mitochondrial fission regulation of organelle organization anatomical structure morphogenesis organelle organization regulation of mitochondrial fission regulation of mitochondrion organization positive regulation of mitochondrial fission protein localization positive regulation of cell communication regulation of localization establishment of protein localization nitrogen compound transport positive regulation of establishment of protein localization cell communication cellular macromolecule localization positive regulation of insulin secretion regulation of biological quality regulation of peptide hormone secretion regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region protein secretion regulation of protein secretion regulation of secretion positive regulation of protein localization cellular localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion signaling positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion regulation of secretion by cell secretion by cell positive regulation of hormone secretion positive regulation of secretion amide transport signal release positive regulation of peptide secretion regulation of signaling regulation of transport secretion regulation of peptide transport regulation of establishment of protein localization export from cell cell-cell signaling regulation of protein transport positive regulation of protein secretion peptide transport positive regulation of transport protein transport regulation of cellular localization regulation of insulin secretion peptide hormone secretion macromolecule localization hormone transport regulation of cell communication insulin secretion positive regulation of signaling cellular response to stimulus positive regulation of locomotion regulation of cell motility response to stimulus positive regulation of chemotaxis positive regulation of cell migration positive regulation of neutrophil chemotaxis taxis cell migration regulation of immune system process positive regulation of immune system process chemotaxis regulation of leukocyte chemotaxis regulation of leukocyte migration response to external stimulus positive regulation of leukocyte chemotaxis neutrophil migration granulocyte migration leukocyte migration positive regulation of granulocyte chemotaxis regulation of response to stimulus response to chemical regulation of locomotion regulation of neutrophil chemotaxis regulation of neutrophil migration regulation of response to external stimulus neutrophil chemotaxis positive regulation of response to stimulus regulation of granulocyte chemotaxis positive regulation of response to external stimulus positive regulation of cell motility regulation of cell migration myeloid leukocyte migration cell motility locomotion cell chemotaxis positive regulation of leukocyte migration positive regulation of neutrophil migration regulation of chemotaxis cellular response to chemical stimulus immune system process granulocyte chemotaxis leukocyte chemotaxis intracellular signal transduction calcium-mediated signaling intracellular signaling cassette signal transduction mitochondrial calcium ion homeostasis inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis positive regulation of mitochondrial calcium ion concentration glucose homeostasis carbohydrate homeostasis cellular response to nutrient levels response to nutrient levels cellular response to stress response to stress response to starvation cellular response to calcium ion starvation cellular response to starvation	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex uniplex complex mitochondrial protein-containing complex inner mitochondrial membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR006769	Calcium uniporter protein, C-terminal	Domain
A	IPR039055	MCU family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q8NE86	heart disease pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia malignant pancreatic neoplasm pancreatic intraductal papillary-mucinous carcinoma pituitary cancer osteosarcoma pancreatic intraductal papillary-mucinous neoplasm

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.