Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyVoltage-gated potassium channels 8001548 3000023 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyVoltage-gated potassium channels 8001548 3000023 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyVoltage-gated potassium channels 8001548 3000023 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyVoltage-gated potassium channels 8001548 3000023 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyTrkA C-terminal domain-like 8057608 3000037 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyPotassium channel/Rex NAD-binding domain-like 8057606 3000042 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AIon_trans_2e6u5rA2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Ion_trans_2ECOD (1.6)
ATrkA_Ce6u5rA1 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_Ne6u5rA3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
BTrkA_Ce6u5rB1 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_Ne6u5rB2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
CIon_trans_2e6u5rC1 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Ion_trans_2ECOD (1.6)
CTrkA_Ce6u5rC3 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_Ne6u5rC2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
DTrkA_Ce6u5rD1 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_Ne6u5rD2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
EIon_trans_2e6u5rE3 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Ion_trans_2ECOD (1.6)
ETrkA_Ce6u5rE2 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_Ne6u5rE1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
FTrkA_Ce6u5rF2 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_Ne6u5rF1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
GIon_trans_2e6u5rG2 A: alpha complex topologyX: Voltage-gated ion channels (From Topology)H: Voltage-gated ion channels (From Topology)T: Voltage-gated ion channelsF: Ion_trans_2ECOD (1.6)
GTrkA_Ce6u5rG1 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_Ne6u5rG3 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)
HTrkA_Ce6u5rH1 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_Ne6u5rH2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: TrkA_NECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (utative)
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 (utative)
B3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (utative)
D3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (utative)
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 (utative)
D3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (utative)
F3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (utative)
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 (utative)
F3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (utative)
H3.40.50.720 Alpha Beta 3-Layer(aba) Sandwich Rossmann fold NAD(P)-binding Rossmann-like DomainCATH (utative)
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 (utative)
H3.30.70.1450 Alpha Beta 2-Layer Sandwich Alpha-Beta Plaits Regulator of K+ conductance, C-terminal domainCATH (utative)

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
A, B, C, D, E
PF07885Ion channel (Ion_trans_2)Ion channel- Family

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR006037Regulator of K+ conductance, C-terminalDomain
A, B, C, D, E
IPR050721Trk/Ktr/HKT Potassium TransportFamily
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