1NZN

Cytosolic domain of the human mitchondrial fission protein Fis1 adopts a TPR fold

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1nzna1	All alpha proteins	alpha-alpha superhelix	TPR-like	Tetratricopeptide repeat (TPR)	Mitochondria fission protein Fis1	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1nzna2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Tetratricopeptide repeat (TPR)	8024748	4001344	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TPR-like	8037127	3001345	SCOP2 (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	PF14852,PF14853	e1nznA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF14852,PF14853	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.25.40.10	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Tetratricopeptide repeat domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF14852	Fis1 N-terminal tetratricopeptide repeat (Fis1_TPR_N)	Fis1 N-terminal tetratricopeptide repeat	-	Repeat
A	PF14853	Fis1 C-terminal tetratricopeptide repeat (Fis1_TPR_C)	Fis1 C-terminal tetratricopeptide repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Fission protein Fis1p	binding lipid binding molecular adaptor activity identical protein binding protein binding	positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality protein localization establishment of protein localization cellular localization protein targeting establishment of localization localization establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle protein localization to mitochondrion positive regulation of cytosolic calcium ion concentration biological regulation regulation of biological quality protein localization establishment of protein localization cellular localization protein targeting establishment of localization localization establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle protein localization to mitochondrion protein targeting to mitochondrion cellular process establishment of protein localization to mitochondrion organelle fusion cellular component organization organelle organization mitochondrial fusion cellular component organization or biogenesis mitochondrion organization inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis endoplasmic reticulum calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis negative regulation of endoplasmic reticulum calcium ion concentration monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis peroxisome organization peroxisome fission organelle fission regulation of catalytic activity positive regulation of protein metabolic process positive regulation of peptidase activity positive regulation of biological process positive regulation of cysteine-type endopeptidase activity involved in apoptotic process regulation of primary metabolic process positive regulation of molecular function positive regulation of metabolic process regulation of cysteine-type endopeptidase activity involved in apoptotic process organic substance metabolic process regulation of proteolysis proteolysis regulation of endopeptidase activity positive regulation of macromolecule metabolic process protein metabolic process regulation of cysteine-type endopeptidase activity regulation of biological process organonitrogen compound metabolic process regulation of protein metabolic process regulation of peptidase activity positive regulation of catalytic activity primary metabolic process regulation of macromolecule metabolic process regulation of molecular function positive regulation of hydrolase activity positive regulation of cysteine-type endopeptidase activity regulation of hydrolase activity positive regulation of endopeptidase activity positive regulation of proteolysis metabolic process macromolecule metabolic process regulation of metabolic process mitochondrial fragmentation involved in apoptotic process apoptotic mitochondrial changes apoptotic process cell death programmed cell death cellular component disassembly catabolic process cellular metabolic process autophagy cellular catabolic process organelle disassembly autophagy of mitochondrion process utilizing autophagic mechanism regulation of cellular component organization regulation of cellular process regulation of organelle organization regulation of mitochondrion organization positive regulation of organelle organization positive regulation of cellular component organization regulation of developmental process positive regulation of developmental process anatomical structure development positive regulation of cellular process regulation of anatomical structure morphogenesis developmental process mitochondrial fission anatomical structure morphogenesis regulation of mitochondrial fission positive regulation of mitochondrial fission cellular response to stimulus positive regulation of cell communication positive regulation of signal transduction response to stimulus signaling regulation of signal transduction regulation of programmed cell death regulation of intrinsic apoptotic signaling pathway intracellular signal transduction cell communication positive regulation of apoptotic signaling pathway positive regulation of response to stimulus regulation of intracellular signal transduction signal transduction intrinsic apoptotic signaling pathway regulation of signaling positive regulation of programmed cell death regulation of apoptotic process positive regulation of intracellular signal transduction positive regulation of apoptotic process apoptotic signaling pathway regulation of response to stimulus regulation of cell communication positive regulation of intrinsic apoptotic signaling pathway regulation of apoptotic signaling pathway positive regulation of signaling regulation of localization transport negative regulation of biological process regulation of lipid transport negative regulation of transport negative regulation of lipid localization monocarboxylic acid transport fatty acid transport organic anion transport negative regulation of lipid transport carboxylic acid transport negative regulation of fatty acid transport regulation of transport organic substance transport lipid localization lipid transport regulation of fatty acid transport organic acid transport regulation of lipid localization negative regulation of organic acid transport regulation of organic acid transport negative regulation of small molecule metabolic process carbohydrate derivative metabolic process negative regulation of ATP metabolic process negative regulation of cellular metabolic process regulation of ATP metabolic process nucleobase-containing compound metabolic process negative regulation of nucleotide metabolic process regulation of small molecule metabolic process regulation of nucleotide metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process phosphorus metabolic process nucleoside phosphate metabolic process negative regulation of metabolic process regulation of cellular metabolic process nucleotide metabolic process regulation of purine nucleotide metabolic process organic cyclic compound metabolic process regulation of phosphorus metabolic process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process ribose phosphate metabolic process ATP metabolic process negative regulation of purine nucleotide metabolic process negative regulation of phosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process negative regulation of cellular process ribonucleoside triphosphate metabolic process purine nucleoside triphosphate metabolic process purine-containing compound metabolic process organophosphate metabolic process negative regulation of phosphorus metabolic process release of cytochrome c from mitochondria mitochondrial calcium ion homeostasis positive regulation of mitochondrial calcium ion concentration regulation of protein localization positive regulation of establishment of protein localization regulation of protein targeting to membrane regulation of protein localization to membrane establishment of protein localization to membrane regulation of establishment of protein localization positive regulation of protein localization to membrane localization within membrane protein localization to membrane protein targeting to membrane regulation of cellular localization regulation of protein targeting positive regulation of protein localization positive regulation of protein targeting to membrane	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane cytosol protein-containing complex peroxisome microbody mitochondrial membrane membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle membrane cytosol protein-containing complex peroxisome microbody mitochondrial membrane organelle outer membrane organelle envelope bounding membrane of organelle mitochondrial envelope mitochondrial outer membrane outer membrane organelle membrane microbody membrane peroxisomal membrane endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR033745	Mitochondria fission protein Fis1, cytosolic domain	Domain
A	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A	IPR028061	Fis1, C-terminal tetratricopeptide repeat	Repeat
A	IPR016543	Mitochondria fission 1 protein	Family
A	IPR028058	Fis1, N-terminal tetratricopeptide repeat	Repeat

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9Y3D6	Ceroid lipofuscinosis, neuronal 1, infantile attention deficit hyperactivity disorder, inattentive type lymphoplasmacytic lymphoma polycystic ovary syndrome ovarian cancer large cell medulloblastoma plasma cell myeloma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Bitopic proteins	TPR alpha-helical repeat proteins	Mitochondria fission protein

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.