2PQN

Crystal structure of yeast Fis1 complexed with a fragment of yeast Mdv1

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2pqna_	All alpha proteins	alpha-alpha superhelix	TPR-like	Tetratricopeptide repeat (TPR)	Mitochondria fission protein Fis1	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	TPR-like	8035997	3001345	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	Fis1_TPR_C	e2pqnA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: Fis1_TPR_C	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
B	PF11542	Mitochondrial division protein 1 (Mdv1)	Mitochondrial division protein 1	-	Family
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
B	Mitochondrial division protein 1	protein binding binding ubiquitin binding ubiquitin-like protein binding	cellular component organization organelle organization cellular process mitochondrial genome maintenance cellular component organization or biogenesis mitochondrion organization 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 cellular component organization organelle organization cellular process mitochondrial genome maintenance cellular component organization or biogenesis mitochondrion organization 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 developmental process regulation of biological process organelle fission biological regulation mitochondrial fission regulation of organelle organization anatomical structure morphogenesis regulation of mitochondrial fission regulation of mitochondrion organization positive regulation of mitochondrial fission peroxisome organization peroxisome fission	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane membrane organelle outer membrane organelle envelope bounding membrane of organelle mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane membrane organelle outer membrane organelle envelope bounding membrane of organelle mitochondrial envelope mitochondrial outer membrane outer membrane organelle membrane
A	Mitochondria fission 1 protein	-	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 cellular component organization positive regulation of developmental process anatomical structure development cellular component organization or biogenesis positive regulation of cellular process regulation of anatomical structure morphogenesis mitochondrion organization developmental process 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 cellular component organization positive regulation of developmental process anatomical structure development cellular component organization or biogenesis 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 cellular process positive regulation of mitochondrial fission peroxisome organization apoptotic process cell death programmed cell death peroxisome fission	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle peroxisome microbody mitochondrial membrane membrane organelle outer membrane organelle envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle peroxisome microbody mitochondrial membrane membrane organelle outer membrane organelle envelope bounding membrane of organelle mitochondrial envelope mitochondrial outer membrane outer membrane organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR021061	Mitochondrial division protein 1	Family
B	IPR019775	WD40 repeat, conserved site	Conserved Site
B	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
B	IPR001680	WD40 repeat	Repeat
B	IPR020472	G-protein beta WD-40 repeat	Repeat
B	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
A	IPR033745	Mitochondria fission protein Fis1, cytosolic domain	Domain
A	IPR016543	Mitochondria fission 1 protein	Family
A	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A	IPR028058	Fis1, N-terminal tetratricopeptide repeat	Repeat
A	IPR028061	Fis1, C-terminal tetratricopeptide repeat	Repeat

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.