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2IK2

Yeast inorganic pyrophosphatase variant D115E with magnesium and phosphate

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0004427molecular_functioninorganic diphosphate phosphatase activity
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0006796biological_processphosphate-containing compound metabolic process
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0004427molecular_functioninorganic diphosphate phosphatase activity
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0006796biological_processphosphate-containing compound metabolic process
B0016787molecular_functionhydrolase activity
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 287
ChainResidue
AGLU115
AASP120
AASP152
AHOH317
AHOH325
AHOH326

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 288
ChainResidue
AHOH320
AHOH332
AHOH337
AASP120
APO4292
AHOH319

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 289
ChainResidue
AGLU58
APO4291
APO4292
AHOH414
AHOH535

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 290
ChainResidue
AASP147
AASP152
APO4291
APO4292
AHOH533

site_idAC5
Number of Residues8
DetailsBINDING SITE FOR RESIDUE MG B 287
ChainResidue
BGLU115
BASP120
BASP152
BMG288
BMG290
BPO4291
BHOH327
BHOH376

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MG B 288
ChainResidue
BASP120
BMG287
BPO4291
BHOH299
BHOH303
BHOH315
BHOH327

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 289
ChainResidue
BGLU58
BPO4291
BPO4292
BHOH564
BHOH605
BHOH665

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE MG B 290
ChainResidue
BGLU115
BASP147
BASP152
BMG287
BPO4291
BPO4292
BHOH474

site_idAC9
Number of Residues20
DetailsBINDING SITE FOR RESIDUE PO4 B 291
ChainResidue
BLYS56
BGLU58
BTYR93
BGLU115
BASP117
BASP120
BASP152
BLYS154
BMG287
BMG288
BMG289
BMG290
BPO4292
BHOH303
BHOH315
BHOH327
BHOH473
BHOH474
BHOH564
BHOH613

site_idBC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE PO4 B 292
ChainResidue
BLYS56
BGLU58
BARG78
BGLU115
BASP147
BTYR192
BLYS193
BMG289
BMG290
BPO4291
BHOH473
BHOH564

site_idBC2
Number of Residues10
DetailsBINDING SITE FOR RESIDUE PO4 A 291
ChainResidue
AGLU58
AARG78
ATYR192
ALYS193
AMG289
AMG290
APO4292
AHOH414
AHOH494
AHOH533

site_idBC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE PO4 A 292
ChainResidue
AMG289
AMG290
APO4291
AHOH320
AHOH326
AHOH337
AHOH404
AHOH475
AHOH535
ALYS56
AGLU58
ATYR93
AASP120
AASP152
ALYS154
AMG288

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"1322842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"15665377","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"17330950","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1wgi
ChainResidueDetails
AASP117

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1wgi
ChainResidueDetails
BASP117

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PDB entries from 2025-10-08

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