4KJP | pdb_00004kjp

Structure of the CLC-ec1 deltaNC construct in the absence of halide

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Clc chloride channel	8034333	3000511	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Clc chloride channel	8034333	3000511	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	RNase_H	e4kjpA1	A: a/b three-layered sandwiches	X: PRTase-like	H: PRTase-like	T: PRTase-like	F: RNase_H	ECOD (v294.1)
B	RNase_H	e4kjpB1	A: a/b three-layered sandwiches	X: PRTase-like	H: PRTase-like	T: PRTase-like	F: RNase_H	ECOD (v294.1)
C		e4kjpC1	A: a/b three-layered sandwiches	X: PRTase-like	H: PRTase-like	T: PRTase-like	F:	ECOD (v294.1)
E	RNase_H	e4kjpE1	A: a/b three-layered sandwiches	X: PRTase-like	H: PRTase-like	T: PRTase-like	F: RNase_H	ECOD (v294.1)
D		e4kjpD1	A: a/b three-layered sandwiches	X: PRTase-like	H: PRTase-like	T: PRTase-like	F:	ECOD (v294.1)
F	RNase_H	e4kjpF1	A: a/b three-layered sandwiches	X: PRTase-like	H: PRTase-like	T: PRTase-like	F: RNase_H	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.3080.10	Mainly Alpha	Orthogonal Bundle	Clc chloride channel	Clc chloride channel	CATH (4.3.0)
B	1.10.3080.10	Mainly Alpha	Orthogonal Bundle	Clc chloride channel	Clc chloride channel	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C, E	FAB-GAMMA-1_KAPPA	VH-CH1	Mus musculus (house mouse)	IGHV4-102, IGHJ101, IGHJ102, IGHG102	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202611-0)
D, F	FAB-GAMMA-1_KAPPA	L-KAPPA	Mus musculus (house mouse)	IGKV4-5901, IGKJ101, IGKJ102, IGKJ201, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C, E	Heavy Chain	IGHV4	-	h(+)/cl(-) exchange transporter clca	SAbDab (2026-03-27)
D, F	Light Chain	IGKV4	Kappa	h(+)/cl(-) exchange transporter clca	SAbDab (2026-03-27)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00654	Voltage gated chloride channel (Voltage_CLC)	Voltage gated chloride channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	H(+)/Cl(-) exchange transporter ClcA	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 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 channel activity monoatomic anion channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity chloride channel activity identical protein binding protein binding binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity secondary active transmembrane transporter activity antiporter activity active transmembrane transporter activity chloride:proton antiporter activity solute:inorganic anion antiporter activity	monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular response to stimulus response to stimulus cellular response to chemical stress response to acidic pH monoatomic cation transmembrane transport transmembrane transport localization transport proton transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport cellular process monoatomic cation transport establishment of localization cellular response to stimulus response to stimulus cellular response to chemical stress response to acidic pH cellular stress response to acidic pH cellular response to environmental stimulus cellular response to chemical stimulus cellular response to stress response to pH response to stress response to chemical cellular response to pH response to abiotic stimulus cellular response to acidic pH cellular response to abiotic stimulus chloride transport chloride transmembrane transport monoatomic anion transport monoatomic anion transmembrane transport inorganic anion transport	cell periphery cellular anatomical structure plasma membrane membrane
C, E	heavy chain of Fab fragment	-	-	-
D, F	light chain of Fab fragment	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR001807	Chloride channel	Family
A, B	IPR014743	Chloride channel, core	Homologous Superfamily
A, B	IPR023861	Chloride channel, ClcA	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

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.

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