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4ZCU

Structure of calcium-bound regulatory domain of the human ATP-Mg/Pi carrier in the P2 form

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
B0005509molecular_functioncalcium ion binding
C0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue CA A 1001
ChainResidue
AASP32
AASN34
AASP36
AVAL38
AGLU43
AHOH1119

site_idAC2
Number of Residues6
Detailsbinding site for residue CA A 1002
ChainResidue
ALYS74
AGLU79
AHOH1112
AASP68
AASN70
AASP72

site_idAC3
Number of Residues6
Detailsbinding site for residue CA A 1003
ChainResidue
AASP99
AASN101
AASP103
ALYS105
AGLU107
AGLU110

site_idAC4
Number of Residues4
Detailsbinding site for residue CA A 1004
ChainResidue
ALYS105
AASP135
ATHR139
ATHR141

site_idAC5
Number of Residues3
Detailsbinding site for residue SO4 A 1005
ChainResidue
AGLY56
AGLN57
AGOL1008

site_idAC6
Number of Residues5
Detailsbinding site for residue SO4 A 1006
ChainResidue
ATHR22
AARG23
ATYR24
AGLU25
AMET81

site_idAC7
Number of Residues4
Detailsbinding site for residue SO4 A 1007
ChainResidue
AGLU107
AALA108
ASER109
AGLU124

site_idAC8
Number of Residues6
Detailsbinding site for residue GOL A 1008
ChainResidue
AGLY56
AGLN57
AASP58
AALA59
ASO41005
AHOH1131

site_idAC9
Number of Residues6
Detailsbinding site for residue GOL A 1009
ChainResidue
AGLY37
AASP76
APHE77
ATHR121
AGLN126
AASP173

site_idAD1
Number of Residues6
Detailsbinding site for residue CA B 1001
ChainResidue
BASP32
BASN34
BASP36
BVAL38
BGLU43
BHOH1126

site_idAD2
Number of Residues6
Detailsbinding site for residue CA B 1002
ChainResidue
BASP68
BASN70
BASP72
BLYS74
BGLU79
BHOH1114

site_idAD3
Number of Residues6
Detailsbinding site for residue CA B 1003
ChainResidue
BASP99
BASN101
BASP103
BLYS105
BGLU107
BGLU110

site_idAD4
Number of Residues3
Detailsbinding site for residue CA B 1004
ChainResidue
BASP137
BTHR141
BGLU146

site_idAD5
Number of Residues3
Detailsbinding site for residue SO4 B 1005
ChainResidue
BGLY56
BGLN57
BGOL1009

site_idAD6
Number of Residues5
Detailsbinding site for residue SO4 B 1006
ChainResidue
BTHR22
BARG23
BTYR24
BGLU25
BMET81

site_idAD7
Number of Residues4
Detailsbinding site for residue SO4 B 1007
ChainResidue
BGLU107
BALA108
BSER109
BGLU124

site_idAD8
Number of Residues6
Detailsbinding site for residue GOL B 1008
ChainResidue
BGLY37
BASP76
BPHE77
BGLN126
BASP173
BHOH1118

site_idAD9
Number of Residues6
Detailsbinding site for residue GOL B 1009
ChainResidue
BGLY56
BGLN57
BASP58
BALA59
BSO41005
BHOH1124

site_idAE1
Number of Residues6
Detailsbinding site for residue CA C 1001
ChainResidue
CASP32
CASN34
CASP36
CVAL38
CGLU43
CHOH1207

site_idAE2
Number of Residues5
Detailsbinding site for residue CA C 1002
ChainResidue
CASP72
CLYS74
CGLU79
CASP68
CASN70

site_idAE3
Number of Residues6
Detailsbinding site for residue CA C 1003
ChainResidue
CASP99
CASN101
CASP103
CLYS105
CGLU107
CGLU110

site_idAE4
Number of Residues2
Detailsbinding site for residue CA C 1004
ChainResidue
CASP135
CTHR141

site_idAE5
Number of Residues4
Detailsbinding site for residue SO4 C 1005
ChainResidue
CGLU107
CALA108
CSER109
CGLU124

site_idAE6
Number of Residues3
Detailsbinding site for residue SO4 C 1006
ChainResidue
CGLY56
CGLN57
CASP58

site_idAE7
Number of Residues6
Detailsbinding site for residue GOL C 1007
ChainResidue
CGLY37
CASP76
CPHE77
CTHR121
CGLN126
CASP173

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DRNGDGVVDigEL
ChainResidueDetails
AASP32-LEU44
AASP68-PHE80
AASP99-ILE111

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues99
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues105
DetailsDomain: {"description":"EF-hand 3","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues27
DetailsRegion: {"description":"Linker region","evidences":[{"source":"PubMed","id":"24332718","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24332718","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26164100","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4N5X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4ZCU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4ZCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues17
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24332718","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26164100","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4N5X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4ZCU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4ZCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24332718","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26164100","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4ZCU","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4ZCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24332718","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26164100","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4N5X","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4ZCV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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