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4K1C

VCX1 Calcium/Proton Exchanger

Functional Information from GO Data
ChainGOidnamespacecontents
A0000324cellular_componentfungal-type vacuole
A0000329cellular_componentfungal-type vacuole membrane
A0005774cellular_componentvacuolar membrane
A0006811biological_processmonoatomic ion transport
A0006812biological_processmonoatomic cation transport
A0006816biological_processcalcium ion transport
A0006874biological_processintracellular calcium ion homeostasis
A0008324molecular_functionmonoatomic cation transmembrane transporter activity
A0015369molecular_functioncalcium:proton antiporter activity
A0015386molecular_functionpotassium:proton antiporter activity
A0016020cellular_componentmembrane
A0046872molecular_functionmetal ion binding
A0055085biological_processtransmembrane transport
A0070588biological_processcalcium ion transmembrane transport
A0071805biological_processpotassium ion transmembrane transport
A1902600biological_processproton transmembrane transport
B0000324cellular_componentfungal-type vacuole
B0000329cellular_componentfungal-type vacuole membrane
B0005774cellular_componentvacuolar membrane
B0006811biological_processmonoatomic ion transport
B0006812biological_processmonoatomic cation transport
B0006816biological_processcalcium ion transport
B0006874biological_processintracellular calcium ion homeostasis
B0008324molecular_functionmonoatomic cation transmembrane transporter activity
B0015369molecular_functioncalcium:proton antiporter activity
B0015386molecular_functionpotassium:proton antiporter activity
B0016020cellular_componentmembrane
B0046872molecular_functionmetal ion binding
B0055085biological_processtransmembrane transport
B0070588biological_processcalcium ion transmembrane transport
B0071805biological_processpotassium ion transmembrane transport
B1902600biological_processproton transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE OLC A 501
ChainResidue
AILE52
APHE56
ALEU58
BILE143
BTYR147
BTYR216
BSER221
BTRP378
BVAL382

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE OLC A 502
ChainResidue
ATYR147
AALA386

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE OLC A 503
ChainResidue
AGLU198
AARG201
ATRP342
AALA392

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE OLC A 504
ChainResidue
ALEU51
AHIS55
BPHE144

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE OLC A 505
ChainResidue
ALEU136
AALA300
AHIS303
AVAL304
AMET311
ALYS312
AHOH610

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 506
ChainResidue
AGLU302
ASER325
AHOH613
AHOH616
AHOH620

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 507
ChainResidue
AGLN156
AASP373
AGLU375
AHOH612

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA A 508
ChainResidue
AGLN228
AGLU231
BASN148

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 509
ChainResidue
AGLU83
AGLU230
AASP234
AHOH608

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 510
ChainResidue
AGLU83
AASP87
AGLU230
AASP234

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN A 511
ChainResidue
AASP373
AGLU375
AGLU380
AHOH614
AHOH627

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE IOD A 512
ChainResidue
AGLY117
AVAL119
AARG120
AHOH609

site_idBC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE IOD A 513
ChainResidue
AARG201
AASP345

site_idBC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE IOD A 514
ChainResidue
AGLN57
AHIS60
ATHR63
AHOH618

site_idBC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE IOD A 516
ChainResidue
ALEU173
ALEU174
APRO176
AALA177
ALEU350
APHE352

site_idBC7
Number of Residues1
DetailsBINDING SITE FOR RESIDUE IOD A 517
ChainResidue
AHIS223

site_idBC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE IOD A 518
ChainResidue
AASP30
AHIS246

site_idBC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE IOD A 519
ChainResidue
ALYS314
AMN521
BLYS312

site_idCC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE IOD A 520
ChainResidue
ALYS312
AMN521
BVAL236
BTHR239

site_idCC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MN A 521
ChainResidue
AIOD519
AIOD520

site_idCC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE OLC B 501
ChainResidue
ALEU62
BTHR92
BLEU96
BLEU219
BGLY220

site_idCC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA B 502
ChainResidue
BGLN156
BASP373
BGLU375
BHOH603

site_idCC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 503
ChainResidue
BGLU302
BSER325
BHOH609
BHOH613
BHOH630

site_idCC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA B 504
ChainResidue
BGLU83
BGLU230
BASP234

site_idCC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA B 505
ChainResidue
BGLU83
BGLU230
BASP234

site_idCC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN B 506
ChainResidue
BGLU375
BGLU380
BHOH614
BHOH615
BASP373

site_idCC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE IOD B 507
ChainResidue
BGLN151

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues468
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues64
DetailsTopological domain: {"description":"Vacuolar","evidences":[{"source":"PubMed","id":"16847258","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues124
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"16847258","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

244693

PDB entries from 2025-11-12

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