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

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1lnqa3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Ad1lnqa4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Ad1lnqa2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Bd1lnqb3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Bd1lnqb4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Bd1lnqb2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Cd1lnqc3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Cd1lnqc4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Cd1lnqc2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Dd1lnqd3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Dd1lnqd4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Dd1lnqd2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Ed1lnqe3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Ed1lnqe4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Ed1lnqe2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Fd1lnqf3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Fd1lnqf4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Fd1lnqf2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Gd1lnqg3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Gd1lnqg4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Gd1lnqg2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Hd1lnqh3 Alpha and beta proteins (a/b) NAD(P)-binding Rossmann-fold domains NAD(P)-binding Rossmann-fold domains Potassium channel NAD-binding domain Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Hd1lnqh4 Alpha and beta proteins (a+b) TrkA C-terminal domain-like TrkA C-terminal domain-like TrkA C-terminal domain-like Potassium channel-related protein MthK, C-terminal domain (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)
Hd1lnqh2 Membrane and cell surface proteins and peptides Gated ion channels Voltage-gated ion channels Voltage-gated potassium channels Potassium channel-related protein MthK (Methanothermobacter thermautotrophicus ) [TaxId: 145262 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 FamilyVoltage-gated potassium channels8001510 4000034 SCOP2 (2022-06-29)
ASCOP2 FamilyTrkA C-terminal domain-like8057607 4000027 SCOP2 (2022-06-29)
ASCOP2 FamilyPotassium channel NAD-binding domain8057605 4000005 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2 (2022-06-29)
BSCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyTrkA C-terminal domain-like8057608 3000037 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like8057606 3000042 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyVoltage-gated potassium channels8001548 3000023 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APF07885e1lnqA1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
APF02080e1lnqA2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
APF02254e1lnqA3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
BPF07885e1lnqB1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
BPF02080e1lnqB2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
BPF02254e1lnqB3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
CPF07885e1lnqC1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
CPF02080e1lnqC2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
CPF02254e1lnqC3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
DPF07885e1lnqD1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
DPF02080e1lnqD2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
DPF02254e1lnqD3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
EPF07885e1lnqE1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
EPF02080e1lnqE2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
EPF02254e1lnqE3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
FPF07885e1lnqF1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
FPF02080e1lnqF2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
FPF02254e1lnqF3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
GPF07885e1lnqG1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
GPF02080e1lnqG2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
GPF02254e1lnqG3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)
HPF07885e1lnqH1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: PF07885ECOD (1.6)
HPF02080e1lnqH2 A: a+b two layersX: TrkA C-terminal domain-like (From Topology)H: TrkA C-terminal domain-like (From Topology)T: TrkA C-terminal domain-likeF: PF02080ECOD (1.6)
HPF02254e1lnqH3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PF02254ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
A3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
A1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
A3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
B1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
B3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
B1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
B3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
C1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
C3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
C1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
C3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
D1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
D3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
D1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
D3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
E1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
E3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
E1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
E3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
F1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
F3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
F1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
F3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
G1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
G3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
G1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
G3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)
H1.10.287.70 Mainly Alpha Orthogonal Bundle Helix Hairpins CATH (4.3.0)
H3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (4.3.0)
H1.20.5.870 Mainly Alpha Up-down Bundle Single alpha-helices involved in coiled-coils or other helix-helix interfaces Voltage-gated potassium channelCATH (4.3.0)
H3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
PF02080TrkA-C domain (TrkA_C)TrkA-C domainThis 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, C, D, E
PF02254TrkA-N domain (TrkA_N)TrkA-N domainThis 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

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR006037Regulator of K+ conductance, C-terminalDomain
A, B, C, D, E
IPR013099Potassium channel domainDomain
A, B, C, D, E
IPR036291NAD(P)-binding domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR036721Regulator of K+ conductance, C-terminal domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR003148Regulator of K+ conductance, N-terminalDomain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

ChainsExternal LinkComment
A, B, C, D, E
PDBTMAnnotated as membrane protein by PDBTM