Annotations: 6K7X

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
I [auth K]	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
J [auth L]	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
K [auth M]	SCOP2B Superfamily	MCU beta-grasp domain-like	8093387	3002698	SCOP2B (2022-06-29)
L [auth N]	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 [auth C]	MCU_C	e6k7xC2	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
A [auth C]	MCU_N	e6k7xC1	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)
B [auth A]	MCU_C	e6k7xA1	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
B [auth A]	MCU_N	e6k7xA2	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)
C [auth B]	MCU_C	e6k7xB1	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
C [auth B]	MCU_N	e6k7xB2	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)
D	MCU_C	e6k7xD2	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
D	MCU_N	e6k7xD1	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)
I [auth K]	MCU_C	e6k7xK2	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
I [auth K]	MCU_N	e6k7xK1	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)
J [auth L]	MCU_C	e6k7xL1	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
J [auth L]	MCU_N	e6k7xL2	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)
K [auth M]	MCU_C	e6k7xM1	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
K [auth M]	MCU_N	e6k7xM2	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)
L [auth N]	MCU_C	e6k7xN1	A: alpha arrays	X: Mitochondrial calcium uniporter (MCU) (From Topology)	H: Mitochondrial calcium uniporter (MCU) (From Topology)	T: Mitochondrial calcium uniporter (MCU)	F: MCU_C	ECOD (1.6)
L [auth N]	MCU_N	e6k7xN2	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 [auth C], B [auth A], C [auth B], D, I [auth K], A [auth C], B [auth A], C [auth B], D, I [auth K], J [auth L], K [auth M], L [auth N]	PF04678	Mitochondrial calcium uniporter (MCU)	Mitochondrial calcium uniporter	-	Family
E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], N [auth P], O [auth Q], P [auth R]	PF10161	Putative mitochondrial precursor protein (DDDD)	Putative mitochondrial precursor protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B [auth A], C [auth B], D, I [auth K], A [auth C], B [auth A], C [auth B], D, I [auth K], J [auth L], K [auth M], L [auth N]	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 positive regulation of cellular component organization regulation of cellular process 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 secretion by cell regulation of secretion by cell positive regulation of hormone secretion positive regulation of secretion amide transport signal release positive regulation of peptide secretion regulation of signaling secretion regulation of transport regulation of peptide transport regulation of establishment of protein localization cell-cell signaling export from cell 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 myeloid leukocyte migration regulation of cell 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	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity 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
E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], N [auth P], O [auth Q], P [auth R]	Essential MCU regulator, mitochondrial	transporter activator activity channel regulator activity molecular function activator activity molecular function regulator activity channel activator activity transporter regulator activity protein-macromolecule adaptor activity molecular adaptor activity	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 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 cellular process calcium import into the mitochondrion monoatomic cation transport calcium ion transmembrane transport mitochondrial transport 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	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen mitochondrial matrix protein-containing complex membrane protein complex transporter complex uniplex complex mitochondrial protein-containing complex cation channel complex inner mitochondrial membrane protein complex transmembrane transporter complex calcium channel complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B], D, I [auth K], A [auth C], B [auth A], C [auth B], D, I [auth K], J [auth L], K [auth M], L [auth N]	IPR006769	Calcium uniporter protein, C-terminal	Domain
A [auth C], B [auth A], C [auth B], D, I [auth K], A [auth C], B [auth A], C [auth B], D, I [auth K], J [auth L], K [auth M], L [auth N]	IPR039055	MCU family	Family
E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], N [auth P], O [auth Q], P [auth R]	IPR018782	Essential MCU regulator, mitochondrial	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth C], B [auth A], C [auth B], D, I [auth K], A [auth C], B [auth A], C [auth B], D, I [auth K], J [auth L], K [auth M], L [auth N]	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
E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], E [auth H], F [auth E], G [auth F], H [auth G], M [auth O], N [auth P], O [auth Q], P [auth R]	Pharos: Q9H4I9	autism spectrum disorder oligodendroglioma pancreatic ductal adenocarcinoma Tourette syndrome breast cancer osteosarcoma pancreatic intraductal papillary-mucinous neoplasm breast carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth C], B [auth A], C [auth B], D, E [auth H] A [auth C], B [auth A], C [auth B], D, E [auth H], F [auth E], G [auth F], H [auth G], I [auth K], J [auth L], K [auth M], L [auth N], M [auth O], N [auth P], O [auth Q], P [auth R]	OPM				Mitochondrial calcium uniporter

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth C], B [auth A], C [auth B], D, E [auth H] A [auth C], B [auth A], C [auth B], D, E [auth H], F [auth E], G [auth F], H [auth G], I [auth K], J [auth L], K [auth M], L [auth N], M [auth O], N [auth P], O [auth Q], P [auth R]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A [auth C], B [auth A], C [auth B], D, E [auth H] A [auth C], B [auth A], C [auth B], D, E [auth H], F [auth E], G [auth F], H [auth G], I [auth K], J [auth L], K [auth M], L [auth N], M [auth O], N [auth P], O [auth Q], P [auth R]	MemProtMD	Annotated as membrane protein by MemProtMD

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 R01GM133198.