Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057613 3000042 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ATrkA_Ce4j7cA4 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: TrkA_CECOD (1.6)
ATrkA_Ne4j7cA3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
BTrkA_Ce4j7cB2 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: TrkA_CECOD (1.6)
BTrkA_Ne4j7cB1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
CTrkA_Ce4j7cC4 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: TrkA_CECOD (1.6)
CTrkA_Ne4j7cC3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
DTrkA_Ce4j7cD4 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: TrkA_CECOD (1.6)
DTrkA_Ne4j7cD3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
ETrkA_Ce4j7cE4 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: TrkA_CECOD (1.6)
ETrkA_Ne4j7cE3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
FTrkA_Ce4j7cF4 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: TrkA_CECOD (1.6)
FTrkA_Ne4j7cF3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
GTrkA_Ce4j7cG4 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: TrkA_CECOD (1.6)
GTrkA_Ne4j7cG3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
HTrkA_Ce4j7cH4 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: TrkA_CECOD (1.6)
HTrkA_Ne4j7cH3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
ITrkH_1ste4j7cI4 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_1stECOD (1.6)
ITrkH_3rde4j7cI1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_3rdECOD (1.6)
ITrkH_2nd_1e4j7cI2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_2nd_1ECOD (1.6)
JTrkH_1ste4j7cJ4 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_1stECOD (1.6)
JTrkH_3rde4j7cJ2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_3rdECOD (1.6)
JTrkH_2nd_1e4j7cJ3 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_2nd_1ECOD (1.6)
KTrkH_1ste4j7cK4 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_1stECOD (1.6)
KTrkH_3rde4j7cK20 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_3rdECOD (1.6)
KTrkH_2nd_1e4j7cK2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_2nd_1ECOD (1.6)
LTrkH_1ste4j7cL4 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_1stECOD (1.6)
LTrkH_3rde4j7cL20 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_3rdECOD (1.6)
LTrkH_2nd_1e4j7cL2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: TrkH_2nd_1ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
B3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
C3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
D3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
E3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
F3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
G3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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)
H3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (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
I, J, K, L
PF02386Cation transport protein (TrkH)Cation transport protein- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D, E
Ktr system potassium uptake protein A
I, J, K, L
Ktr system potassium uptake protein B -

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: OPM OPM Database Homepage

ChainsExternal LinkTypeClassSuperfamilyFamily
A, B, C, D, E
OPMTransmembraneAlpha-helical polytopicIon channel (VIC) superfamilyPotassium transporter TrkH/TrkA complex

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

ChainsExternal LinkComment
A, B, C, D, E
MemProtMDAnnotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage