Annotations: 6LB8

Crystal structure of the Ca2+-free T4L-MICU1-MICU2 complex

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	BTB_2	e6lb8D1	A: alpha arrays	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: BTB_2	ECOD (v295)
B	BTB_2	e6lb8B1	A: alpha arrays	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: BTB_2	ECOD (v295)
C	AAA	e6lb8C1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
A	Flagellin_C	e6lb8A01	A: alpha arrays	X: Ribonuclease H-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Flagellin_C	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF13202	EF hand (EF-hand_5)	EF hand		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Calcium uptake protein 2, mitochondrial	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular sensor activity calcium ion sensor activity molecular function regulator activity metal ion sensor activity protein heterodimerization activity protein binding protein dimerization activity channel regulator activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding molecular sensor activity calcium ion sensor activity molecular function regulator activity metal ion sensor activity protein heterodimerization activity protein binding protein dimerization activity channel regulator activity ion channel regulator activity calcium channel regulator activity transporter regulator activity	transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization intercellular transport mitochondrial calcium ion transmembrane transport monoatomic ion transport cellular process calcium import into the mitochondrion monoatomic cation transport transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization intercellular transport mitochondrial calcium ion transmembrane transport monoatomic ion transport cellular process 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 negative regulation of mitochondrial calcium ion concentration positive regulation of mitochondrial calcium ion concentration cellular response to stimulus cellular response to metal ion cellular response to chemical stimulus response to stimulus response to metal ion response to chemical cellular response to calcium ion response to calcium ion	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 mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen uniplex complex mitochondrial protein-containing complex inner mitochondrial membrane protein complex
A, C	Endolysin,Calcium uptake protein 1, mitochondrial	hydrolase activity, acting on glycosyl bonds peptidoglycan muralytic activity hydrolase activity, hydrolyzing O-glycosyl compounds lysozyme activity hydrolase activity catalytic activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding protein heterodimerization activity protein binding hydrolase activity, acting on glycosyl bonds peptidoglycan muralytic activity hydrolase activity, hydrolyzing O-glycosyl compounds lysozyme activity hydrolase activity catalytic activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding protein heterodimerization activity protein binding protein dimerization activity molecular sensor activity calcium ion sensor activity molecular function regulator activity metal ion sensor activity molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity identical protein binding	defense response to bacterium biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to bacterium response to stress response to external stimulus response to external biotic stimulus response to biotic stimulus carbohydrate derivative catabolic process catabolic process peptidoglycan catabolic process glycosaminoglycan metabolic process defense response to bacterium biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to bacterium response to stress response to external stimulus response to external biotic stimulus response to biotic stimulus carbohydrate derivative catabolic process catabolic process peptidoglycan catabolic process glycosaminoglycan metabolic process carbohydrate derivative metabolic process aminoglycan catabolic process macromolecule catabolic process glycosaminoglycan catabolic process aminoglycan metabolic process peptidoglycan metabolic process metabolic process cellular process macromolecule metabolic process symbiont-mediated cytolysis of host cell viral life cycle disruption of cell in another organism cytolysis biological process involved in interaction with host biological process involved in symbiotic interaction viral release from host cell by cytolysis exit from host cell viral process cytolysis in another organism viral release from host cell disruption of anatomical structure in another organism symbiont-mediated killing of host cell killing of cells of another organism cell killing cell wall organization or biogenesis cell wall macromolecule catabolic process cell wall macromolecule metabolic process transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport localization intercellular transport mitochondrial calcium ion transmembrane transport monoatomic ion transport calcium import into the mitochondrion monoatomic cation transport calcium ion transmembrane transport membrane organization positive regulation of organelle organization regulation of biological process regulation of cellular component organization regulation of cellular process positive regulation of cellular component organization cristae formation inner mitochondrial membrane organization regulation of cristae formation biological regulation positive regulation of biological process regulation of organelle organization mitochondrial membrane organization cellular component organization positive regulation of cristae formation organelle organization regulation of mitochondrion organization cellular component organization or biogenesis positive regulation of cellular process mitochondrion organization 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 cellular response to stimulus cellular response to nutrient levels response to nutrient levels cellular response to stress response to starvation cellular response to calcium ion starvation cellular response to starvation regulation of cellular hyperosmotic salinity response regulation of cellular response to stress cellular hyperosmotic salinity response cellular response to chemical stress response to salt stress regulation of response to osmotic stress cellular response to environmental stimulus hyperosmotic salinity response regulation of response to salt stress hyperosmotic response regulation of cellular response to osmotic stress cellular hyperosmotic response regulation of response to stress response to osmotic stress cellular response to salt stress cellular response to osmotic stress cellular response to chemical stimulus regulation of response to stimulus response to chemical response to abiotic stimulus cellular response to abiotic stimulus cellular response to metal ion response to metal ion cellular response to calcium ion response to calcium ion calcium ion import cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly protein homooligomerization positive regulation of mitochondrial calcium ion concentration	host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part membrane-bounded organelle intracellular organelle 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 mitochondrial crista junction organelle membrane contact site protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex mitochondrial intermembrane space membrane-enclosed lumen intracellular organelle lumen organelle envelope lumen organelle lumen uniplex complex mitochondrial protein-containing complex inner mitochondrial membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR039800	Calcium uptake protein 1/2/3	Family
B, D	IPR002048	EF-hand domain	Domain
B, D	IPR011992	EF-hand domain pair	Homologous Superfamily
A, C	IPR052619	Bacteriophage lysozyme-like	Family
A, C	IPR001165	T4-type lysozyme	Family
A, C	IPR034690	Endolysin T4 type	Family
A, C	IPR002196	Glycoside hydrolase, family 24	Family
A, C	IPR023347	Lysozyme domain superfamily	Homologous Superfamily
A, C	IPR023346	Lysozyme-like domain superfamily	Homologous Superfamily
A, C	IPR039800	Calcium uptake protein 1/2/3	Family
A, C	IPR002048	EF-hand domain	Domain
A, C	IPR011992	EF-hand domain pair	Homologous Superfamily
A, C	IPR018247	EF-Hand 1, calcium-binding site	Binding Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D	: Q8IYU8	hereditary spastic paraplegia progressive supranuclear palsy lymphoplasmacytic lymphoma psoriasis ovarian cancer
A, C	: Q9BPX6	proximal myopathy with extrapyramidal signs myopathy basal ganglia disease pancreatic intraductal papillary-mucinous carcinoma Adult Learning Disorders congenital muscular dystrophy muscle tissue disease osteosarcoma pancreatic intraductal papillary-mucinous neoplasm tuberculosis arthrogryposis learning disability movement disorder muscular disease ovarian cancer proximal myopathy with extrapyramidal signs myopathy basal ganglia disease pancreatic intraductal papillary-mucinous carcinoma Adult Learning Disorders congenital muscular dystrophy muscle tissue disease osteosarcoma pancreatic intraductal papillary-mucinous neoplasm tuberculosis arthrogryposis learning disability movement disorder muscular disease ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia intellectual disability malignant glioma

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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.