1K0O | pdb_00001k0o

Crystal structure of a soluble form of CLIC1. An intracellular chloride ion channel

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1k0oa1	All alpha proteins	GST C-terminal domain-like	GST C-terminal domain-like	Glutathione S-transferase (GST), C-terminal domain	Chloride intracellular channel 1 (clic1)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1k0oa2	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Glutathione S-transferase (GST), N-terminal domain	Chloride intracellular channel 1 (clic1)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1k0ob1	All alpha proteins	GST C-terminal domain-like	GST C-terminal domain-like	Glutathione S-transferase (GST), C-terminal domain	Chloride intracellular channel 1 (clic1)	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1k0ob2	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Glutathione S-transferase (GST), N-terminal domain	Chloride intracellular channel 1 (clic1)	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	SCOP2B Superfamily	GST C-terminal domain-like	8037744	3000305	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thioredoxin-like	8037747	3000031	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	GST C-terminal domain-like	8037744	3000305	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thioredoxin-like	8037747	3000031	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		e1k0oA1	A: alpha bundles	X: EGF-like	H: Ankyrin repeat	T: Ankyrin repeat	F:	ECOD (develop294)
A	ECH_1	e1k0oA2	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: ECH_1	ECOD (develop294)
B		e1k0oB1	A: alpha bundles	X: EGF-like	H: Ankyrin repeat	T: Ankyrin repeat	F:	ECOD (develop294)
B	ECH_1	e1k0oB2	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: ECH_1	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
A	1.20.1050.10	Mainly Alpha	Up-down Bundle	Glutathione S-transferase Yfyf (Class Pi)	Chain A, domain 2	CATH (4.3.0)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
B	1.20.1050.10	Mainly Alpha	Up-down Bundle	Glutathione S-transferase Yfyf (Class Pi)	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13409	Glutathione S-transferase, N-terminal domain (GST_N_2)	Glutathione S-transferase, N-terminal domain	This family is closely related to Pfam:PF02798.	Domain
A, B	PF13410	Glutathione S-transferase, C-terminal domain (GST_C_2)	Glutathione S-transferase, C-terminal domain	This domain is closely related to Pfam:PF00043.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CHLORIDE INTRACELLULAR CHANNEL PROTEIN 1	oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity oxidoreductase activity antioxidant activity glutathione disulfide oxidoreductase activity glutathione dehydrogenase (ascorbate) activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, quinone or similar compound as acceptor monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic anion channel activity oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity oxidoreductase activity antioxidant activity glutathione disulfide oxidoreductase activity glutathione dehydrogenase (ascorbate) activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors, quinone or similar compound as acceptor monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity passive transmembrane transporter activity monoatomic ion channel activity channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity chloride channel activity cell adhesion molecule binding cadherin binding protein binding binding	regulation of mitochondrial membrane potential biological regulation regulation of biological quality regulation of membrane potential multicellular organismal process regulation of body fluid levels wound healing response to stimulus homotypic cell-cell adhesion cell activation hemostasis platelet aggregation blood coagulation cell adhesion regulation of mitochondrial membrane potential biological regulation regulation of biological quality regulation of membrane potential multicellular organismal process regulation of body fluid levels wound healing response to stimulus homotypic cell-cell adhesion cell activation hemostasis platelet aggregation blood coagulation cell adhesion cell-cell adhesion response to stress coagulation cellular process response to wounding platelet activation cellular response to stimulus regulation of biological process regulation of cellular process signaling signal transduction cell communication localization transport monoatomic anion transport monoatomic ion transport chloride transport establishment of localization inorganic anion transport developmental process regulation of osteoblast differentiation cellular developmental process regulation of developmental process positive regulation of biological process regulation of cell differentiation osteoblast differentiation positive regulation of developmental process positive regulation of osteoblast differentiation ossification positive regulation of cell differentiation cell differentiation positive regulation of cellular process	protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle organelle envelope nuclear envelope nucleus endomembrane system vesicle nuclear membrane organelle membrane extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space extracellular membrane-bounded organelle cell periphery plasma membrane apical part of cell cluster of actin-based cell projections brush border blood microparticle perinuclear region of cytoplasm endoplasmic reticulum

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR010987	Glutathione S-transferase, C-terminal-like	Domain
A, B	IPR053823	CLIC, N-terminal domain	Domain
A, B	IPR030259	Chloride intracellular channel protein 1, C-terminal domain	Domain
A, B	IPR036282	Glutathione S-transferase, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
A, B	IPR002946	Intracellular chloride channel	Family
A, B	IPR040079	Glutathione transferase family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: O00299	esophageal squamous cell carcinoma Neoplasm Metastasis keloid HIV infectious disease breast carcinoma squamous cell lung carcinoma autism spectrum disorder cervical cancer diabetes mellitus lung carcinoma osteoarthritis psoriatic arthritis systemic lupus erythematosus breast cancer chronic obstructive pulmonary disease esophageal squamous cell carcinoma Neoplasm Metastasis keloid HIV infectious disease breast carcinoma squamous cell lung carcinoma autism spectrum disorder cervical cancer diabetes mellitus lung carcinoma osteoarthritis psoriatic arthritis systemic lupus erythematosus breast cancer chronic obstructive pulmonary disease membranous glomerulonephritis osteoarthritis susceptibility 1 rheumatoid arthritis cutaneous lupus erythematosus heart disease hypertensive disorder lung adenocarcinoma

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.