2WLN

POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	E set domains	8055025	3000070	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Voltage-gated potassium channels	8055399	3000023	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	E set domains	8055025	3000070	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	IRK_C	e2wlnA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
A	Ion_trans_2_1	e2wlnA2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
B	IRK_C	e2wlnB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
B	Ion_trans_2_1	e2wlnB2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
C	IRK_C	e2wlnC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
C	Ion_trans_2_1	e2wlnC2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
D	IRK_C	e2wlnD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
D	Ion_trans_2_1	e2wlnD2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
E	IRK_C	e2wlnE1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
E	Ion_trans_2_1	e2wlnE2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
F	IRK_C	e2wlnF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
F	Ion_trans_2_1	e2wlnF2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
G	IRK_C	e2wlnG1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
G	Ion_trans_2_1	e2wlnG2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)
H	IRK_C	e2wlnH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: IRK_C	ECOD (1.6)
H	Ion_trans_2_1	e2wlnH2	A: alpha complex topology	X: Voltage-gated ion channels (From Topology)	H: Voltage-gated ion channels (From Topology)	T: Voltage-gated ion channels	F: Ion_trans_2_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
A	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
B	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
B	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
C	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
C	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
D	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
D	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
E	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
E	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
F	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
F	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
G	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
G	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)
H	1.10.287.70	Mainly Alpha	Orthogonal Bundle	Helix Hairpins		CATH (4.3.0)
H	2.60.40.1400	Mainly Beta	Sandwich	Immunoglobulin-like	G protein-activated inward rectifier potassium channel 1	CATH (4.3.0)

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	PF01007	Inward rectifier potassium channel transmembrane domain (IRK)	Inward rectifier potassium channel transmembrane domain	-	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	PF17655	Inward rectifier potassium channel C-terminal domain (IRK_C)	Inward rectifier potassium channel C-terminal domain	This cytoplasmic C-terminal domain has an Ig fold.	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	PF07885	Ion channel (Ion_trans_2)	Ion channel	-	Family

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	POTASSIUM CHANNEL	inward rectifier potassium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity inorganic molecular entity transmembrane transporter activity inward rectifier potassium channel activity monoatomic cation transmembrane transporter activity gated channel activity monoatomic ion channel activity potassium ion transmembrane transporter activity voltage-gated channel activity voltage-gated monoatomic ion channel activity potassium channel activity voltage-gated monoatomic cation channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity voltage-gated potassium channel activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity identical protein binding protein binding binding	import into cell transport monoatomic ion transmembrane transport import across plasma membrane potassium ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization inorganic ion import across plasma membrane monoatomic ion transport import into cell transport monoatomic ion transmembrane transport import across plasma membrane potassium ion transmembrane transport inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization inorganic ion import across plasma membrane monoatomic ion transport potassium ion transport cellular process potassium ion import across plasma membrane monoatomic cation transport regulation of localization regulation of biological process regulation of cellular process regulation of transport regulation of monoatomic ion transport biological regulation regulation of monoatomic ion transmembrane transport regulation of transmembrane transport	cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex transmembrane transporter complex membrane protein complex transporter complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR041647	Inward rectifier potassium channel, C-terminal	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR016449	Potassium channel, inwardly rectifying, Kir	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR013099	Potassium channel domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H	IPR014756	Immunoglobulin E-set	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR013518	Potassium channel, inwardly rectifying, Kir, cytoplasmic	Homologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	KirBac3.1 Inward-Rectifier Potassium channel (semi-latched)

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 R01GM133198.