Annotations: 6U6E

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H [auth E]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
H [auth E]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
G [auth F]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
G [auth F]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
F [auth G]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
F [auth G]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
E [auth H]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
E [auth H]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
D [auth C]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
D [auth C]	SCOP2B Superfamily	Voltage-gated potassium channels	8001548	3000023	SCOP2B (2022-06-29)
D [auth C]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Voltage-gated potassium channels	8001548	3000023	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	Voltage-gated potassium channels	8001548	3000023	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
B [auth D]	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057606	3000042	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TrkA C-terminal domain-like	8057608	3000037	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Voltage-gated potassium channels	8001548	3000023	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
H [auth E]	e6u6eE1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
G [auth F]	e6u6eF1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
F [auth G]	e6u6eG1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
E [auth H]	e6u6eH1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
D [auth C]	e6u6eC1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
C [auth B]	e6u6eB1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
B [auth D]	e6u6eD1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)
A	e6u6eA1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: 7tm_2	F:	ECOD (20:10:01)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	PF02080	TrkA-C domain (TrkA_C)	TrkA-C domain	This domain is often found next to the Pfam:PF02254 domain. The exact function of this domain is unknown. It has been suggested that it may bind an unidentified ligand [1]. The domain is predicted to adopt an all beta structure [1].	Domain
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	PF02254	TrkA-N domain (TrkA_N)	TrkA-N domain	This domain is found in a wide variety of proteins. These protein include potassium channels Swiss:P31069, phosphoesterases Swiss:Q59027, and various other transporters. This domain binds to NAD.	Domain
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	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 [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	Calcium-gated potassium channel MthK	monoatomic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	localization transport monoatomic ion transport potassium ion transport monoatomic cation transport establishment of localization metal ion transport	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	IPR006037	Regulator of K+ conductance, C-terminal	Domain
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	IPR050721	Trk/Ktr/HKT Potassium Transport	Family
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	IPR013099	Potassium channel domain	Domain
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	IPR036721	Regulator of K+ conductance, C-terminal domain superfamily	Homologous Superfamily
A, B [auth D], C [auth B], D [auth C], E [auth H], A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	IPR003148	Regulator of K+ conductance, N-terminal lobe	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B [auth D], C [auth B], D [auth C], E [auth H] A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	K+ channel MthK

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B [auth D], C [auth B], D [auth C], E [auth H] A, B [auth D], C [auth B], D [auth C], E [auth H], F [auth G], G [auth F], H [auth E]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	MthK Potassium channel, Ca⁺⁺ gated, closed state with EDTA

6U6E | pdb_00006u6e

Calcium-bound MthK open-inactivated state 2

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

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Calcium-bound MthK open-inactivated state 2

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

6U6E | pdb_00006u6e