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5DQQ

Structure, inhibition and regulation of two-pore channel TPC1 from Arabidopsis thaliana

Functional Information from GO Data
ChainGOidnamespacecontents
A0000325cellular_componentplant-type vacuole
A0005216molecular_functionmonoatomic ion channel activity
A0005245molecular_functionvoltage-gated calcium channel activity
A0005262molecular_functioncalcium channel activity
A0005509molecular_functioncalcium ion binding
A0005773cellular_componentvacuole
A0005774cellular_componentvacuolar membrane
A0005794cellular_componentGolgi apparatus
A0005829cellular_componentcytosol
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0006816biological_processcalcium ion transport
A0009845biological_processseed germination
A0010119biological_processregulation of stomatal movement
A0016020cellular_componentmembrane
A0019722biological_processcalcium-mediated signaling
A0034220biological_processmonoatomic ion transmembrane transport
A0034702cellular_componentmonoatomic ion channel complex
A0042802molecular_functionidentical protein binding
A0055085biological_processtransmembrane transport
A0070588biological_processcalcium ion transmembrane transport
A0080141biological_processregulation of jasmonic acid biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues1
Detailsbinding site for residue CA A 802
ChainResidue
AGLU374

site_idAC2
Number of Residues1
Detailsbinding site for residue CA A 803
ChainResidue
AASN612

site_idAC3
Number of Residues2
Detailsbinding site for residue CA A 804
ChainResidue
AGLU239
AHOH943

site_idAC4
Number of Residues4
Detailsbinding site for residue CA A 805
ChainResidue
AASP240
AASP454
AGLU528
AHOH932

site_idAC5
Number of Residues6
Detailsbinding site for residue CA A 806
ChainResidue
AASP337
AASN339
AGLU341
AASP343
AGLN346
AASP335

site_idAC6
Number of Residues4
Detailsbinding site for residue CA A 807
ChainResidue
ATRP92
AGLU124
AASP170
AHOH918

site_idAC7
Number of Residues5
Detailsbinding site for residue PLM A 808
ChainResidue
AMET237
ASER277
AVAL283
ALEU533
AHOH906

site_idAC8
Number of Residues3
Detailsbinding site for residue 66R A 809
ChainResidue
ATRP232
ATYR251
APHE444

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S1 of repeat I","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues88
DetailsTopological domain: {"description":"Vacuolar","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S2 of repeat I","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues55
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S5 of repeat I","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues14
DetailsIntramembrane: {"description":"Pore-forming; Name=Pore-forming 1"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S6 of repeat I","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S1 of repeat II","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S2 of repeat II","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues17
DetailsTransmembrane: {"description":"Helical; Voltage-sensor; Name=S4 of repeat II","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S5 of repeat II","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues14
DetailsIntramembrane: {"description":"Pore-forming; Name=Pore-forming 2"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues20
DetailsTransmembrane: {"description":"Helical; Name=S6 of repeat II","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues35
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues9
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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