Annotations: 7T8B

Octameric Human Twinkle Helicase Clinical Variant W315L

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)
F	AAA_lid_RFC1	e7t8bF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
H	AAA_lid_RFC1	e7t8bH1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
G	AAA_lid_RFC1	e7t8bG1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
E	AAA_lid_RFC1	e7t8bE1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
D	AAA_lid_RFC1	e7t8bD1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
C	AAA_lid_RFC1	e7t8bC1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
B	AAA_lid_RFC1	e7t8bB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_lid_RFC1	ECOD (v295)
A		e7t8bA01	A: alpha arrays	X: Histone-like	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F:	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF13481	AAA domain (AAA_25)	AAA domain	This AAA domain is found in a wide variety of presumed DNA repair proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Twinkle mtDNA helicase	nucleic acid conformation isomerase activity isomerase activity DNA helicase activity catalytic activity, acting on a nucleic acid helicase activity ATP-dependent activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA 5'-3' DNA helicase activity catalytic activity macromolecular conformation isomerase activity binding adenyl ribonucleotide binding nucleotide binding nucleic acid conformation isomerase activity isomerase activity DNA helicase activity catalytic activity, acting on a nucleic acid helicase activity ATP-dependent activity ATP-dependent activity, acting on DNA catalytic activity, acting on DNA 5'-3' DNA helicase activity catalytic activity macromolecular conformation isomerase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding lipid binding protein binding enzyme binding protease binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides identical protein binding DNA binding single-stranded DNA binding nucleic acid binding	cellular component organization cellular component biogenesis protein hexamerization cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process primary metabolic process cellular component organization cellular component biogenesis protein hexamerization cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process RNA metabolic process mitochondrial gene expression gene expression nucleobase-containing compound biosynthetic process mitochondrial transcription macromolecule biosynthetic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process mitochondrial RNA metabolic process mitochondrial DNA metabolic process mitochondrial DNA replication	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 mitochondrial chromosome membrane-enclosed lumen intracellular membraneless organelle chromosome nucleoid mitochondrial matrix intracellular organelle lumen organelle lumen membraneless organelle mitochondrial nucleoid

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR007694	DNA helicase, DnaB-like, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR034154	Archaeal primase DnaG/twinkle-like, TOPRIM domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR027032	Twinkle-like protein	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F, G, H	: Q96RR1	infantile onset spinocerebellar ataxia progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3 sensory ataxic neuropathy, dysarthria, and ophthalmoparesis Perrault syndrome 5 progressive external ophthalmoplegia Perrault syndrome progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 1 Ataxias, Hereditary large cell medulloblastoma malignant colon neoplasm neurodegenerative disease peripheral neuropathy Charcot-Marie-Tooth disease leukodystrophy malignant mesothelioma infantile onset spinocerebellar ataxia progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 3 sensory ataxic neuropathy, dysarthria, and ophthalmoparesis Perrault syndrome 5 progressive external ophthalmoplegia Perrault syndrome progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 1 Ataxias, Hereditary large cell medulloblastoma malignant colon neoplasm neurodegenerative disease peripheral neuropathy Charcot-Marie-Tooth disease leukodystrophy malignant mesothelioma mitochondrial DNA depletion syndrome non-small cell lung carcinoma lung cancer medulloblastoma mitochondrial DNA depletion syndrome 3 osteosarcoma

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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.