6D80 | pdb_00006d80

Cryo-EM structure of the mitochondrial calcium uniporter from N. fischeri bound to saposin

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H [auth B]	MCU_C	e6d80B2	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)
H [auth B]	UNK_F_TYPE	e6d80B1	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: UNK_F_TYPE	ECOD (1.6)
I [auth C]	MCU_C	e6d80C2	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 C]	UNK_F_TYPE	e6d80C1	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: UNK_F_TYPE	ECOD (1.6)
J [auth D]	MCU_C	e6d80D1	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 D]	UNK_F_TYPE	e6d80D2	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: UNK_F_TYPE	ECOD (1.6)
G [auth A]	MCU_C	e6d80A2	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)
G [auth A]	UNK_F_TYPE	e6d80A1	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: UNK_F_TYPE	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G [auth A], H [auth B], I [auth C], J [auth D]	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
G [auth A], H [auth B], I [auth C], J [auth D]	Mitochondrial calcium uniporter	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 channel activity monoatomic ion transmembrane transporter activity metal ion 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 channel activity monoatomic ion transmembrane transporter activity metal ion transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding	protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular process cellular component organization or biogenesis transport monoatomic ion transmembrane transport establishment of localization protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular process cellular component organization or biogenesis transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization mitochondrial calcium ion transmembrane transport monoatomic ion transport calcium import into the mitochondrion monoatomic cation transport calcium ion transmembrane 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 mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane 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
A [auth F], B [auth H], C [auth G], D [auth I], E [auth J], A [auth F], B [auth H], C [auth G], D [auth I], E [auth J], F [auth K]	Saposin A	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G [auth A], H [auth B], I [auth C], J [auth D]	IPR039055	MCU family	Family
G [auth A], H [auth B], I [auth C], J [auth D]	IPR006769	Calcium uniporter protein, C-terminal	Domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
G [auth A], H [auth B], I [auth C], J [auth D]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
G [auth A], H [auth B], I [auth C], J [auth D]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
G [auth A], H [auth B], I [auth C], J [auth D]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Calcium Ion-Selective	Mitochondrial calcium uniporter (MCU), full length

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.