Annotations: 6COZ

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IMPDH_2nd_1	e6cozA1	A: a+b duplicates or obligate multimers	X: CBS-domain (From Topology)	H: CBS-domain (From Topology)	T: CBS-domain	F: IMPDH_2nd_1	ECOD (1.6)
B	IMPDH_2nd_1	e6cozB1	A: a+b duplicates or obligate multimers	X: CBS-domain (From Topology)	H: CBS-domain (From Topology)	T: CBS-domain	F: IMPDH_2nd_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.580.10	Alpha Beta	Roll	CBS-domain	CBS-domain	CATH (utative)
B	3.10.580.10	Alpha Beta	Roll	CBS-domain	CBS-domain	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Chloride channel protein 1	voltage-gated chloride channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic anion channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity voltage-gated chloride channel activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic anion channel activity passive transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity inorganic anion transmembrane transporter activity chloride channel activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity	localization transport monoatomic anion transport monoatomic ion transport chloride transport establishment of localization inorganic anion transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion transmembrane transport transmembrane transport chloride transmembrane transport monoatomic anion transmembrane transport cellular process localization transport monoatomic anion transport monoatomic ion transport chloride transport establishment of localization inorganic anion transport monoatomic ion transmembrane transport inorganic ion transmembrane transport inorganic anion transmembrane transport transmembrane transport chloride transmembrane transport monoatomic anion transmembrane transport cellular process multicellular organismal process system process muscle contraction muscle system process nervous system process action potential propagation biological regulation action potential transmission of nerve impulse cell communication neuronal action potential propagation regulation of biological quality regulation of membrane potential	protein-containing complex cellular anatomical structure transmembrane transporter complex membrane chloride channel complex membrane protein complex transporter complex monoatomic ion channel complex cell periphery sarcolemma plasma membrane T-tubule

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR046342	CBS domain superfamily	Homologous Superfamily
A, B	IPR050970	Voltage-gated chloride channel	Family
A, B	IPR002243	Chloride channel ClC-1	Family
A, B	IPR001807	Chloride channel	Family
A, B	IPR014743	Chloride channel, core	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P35523	myotonia congenita myotonia congenita, autosomal recessive myotonia congenita, autosomal dominant Generalized Myotonia of Thomsen muscle tissue disease hyperkalemic periodic paralysis muscular disease psoriasis myopathy

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Other Ion Channels	CLC-1 ion channel

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.