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2CZI

Crystal structure of human myo-inositol monophosphatase 2 (IMPA2) with calcium and phosphate ions

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006020biological_processinositol metabolic process
A0006021biological_processinositol biosynthetic process
A0006796biological_processphosphate-containing compound metabolic process
A0007165biological_processsignal transduction
A0008877molecular_functionglucose-1-phosphatase activity
A0008934molecular_functioninositol monophosphate 1-phosphatase activity
A0010226biological_processresponse to lithium ion
A0016787molecular_functionhydrolase activity
A0042803molecular_functionprotein homodimerization activity
A0046854biological_processphosphatidylinositol phosphate biosynthetic process
A0046872molecular_functionmetal ion binding
A0047954molecular_functionglycerol-2-phosphatase activity
A0052832molecular_functioninositol monophosphate 3-phosphatase activity
A0052833molecular_functioninositol monophosphate 4-phosphatase activity
A0052834molecular_functioninositol monophosphate phosphatase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 289
ChainResidue
AGLU81
AASP101
AILE103
APO4291

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 290
ChainResidue
AASP101
AASP104
AASP231
APO4291

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE PO4 A 291
ChainResidue
AASP101
AILE103
AASP104
AGLY105
ATHR106
ACA289
ACA290
AGLU81

Functional Information from PROSITE/UniProt
site_idPS00629
Number of Residues14
DetailsIMP_1 Inositol monophosphatase family signature 1. WiIDPIDGTcnFvH
ChainResidueDetails
ATRP98-HIS111

site_idPS00630
Number of Residues15
DetailsIMP_2 Inositol monophosphatase family signature 2. WDlAAAtVIIreaGG
ChainResidueDetails
ATRP230-GLY244

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"17340635","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P29218","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ima
ChainResidueDetails
AGLU81
ATHR106

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1ima
ChainResidueDetails
ATHR106

site_idCSA3
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ima
ChainResidueDetails
AASP58
AASP231
ATHR106

239803

PDB entries from 2025-08-06

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