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4Z71

Crystal structure of inorganic pyrophosphatase from Mycobacterium tuberculosis in complex with Mg ions

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0004427molecular_functioninorganic diphosphate phosphatase activity
A0005576cellular_componentextracellular region
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0005886cellular_componentplasma membrane
A0006796biological_processphosphate-containing compound metabolic process
A0016787molecular_functionhydrolase activity
A0044228cellular_componenthost cell surface
A0046872molecular_functionmetal ion binding
B0000287molecular_functionmagnesium ion binding
B0004427molecular_functioninorganic diphosphate phosphatase activity
B0005576cellular_componentextracellular region
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0005886cellular_componentplasma membrane
B0006796biological_processphosphate-containing compound metabolic process
B0016787molecular_functionhydrolase activity
B0044228cellular_componenthost cell surface
B0046872molecular_functionmetal ion binding
C0000287molecular_functionmagnesium ion binding
C0004427molecular_functioninorganic diphosphate phosphatase activity
C0005576cellular_componentextracellular region
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0005886cellular_componentplasma membrane
C0006796biological_processphosphate-containing compound metabolic process
C0016787molecular_functionhydrolase activity
C0044228cellular_componenthost cell surface
C0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue MG A 500
ChainResidue
AASP52
AASP57
AHOH602
AHOH616
AHOH624
AHOH719

site_idAC2
Number of Residues4
Detailsbinding site for residue MG A 501
ChainResidue
AHOH787
AASP89
AHOH611
AHOH754

site_idAC3
Number of Residues4
Detailsbinding site for residue MG A 502
ChainResidue
ALYS133
AHOH601
AHOH659
AHOH743

site_idAC4
Number of Residues6
Detailsbinding site for residue MG B 500
ChainResidue
BASP52
BASP57
BASP89
BHOH602
BHOH606
BHOH657

site_idAC5
Number of Residues6
Detailsbinding site for residue MG B 501
ChainResidue
BHOH617
BHOH646
BHOH677
BHOH734
BHOH778
BHOH790

site_idAC6
Number of Residues5
Detailsbinding site for residue MG C 500
ChainResidue
CASP52
CASP57
CASP89
CHOH616
CHOH655

Functional Information from PROSITE/UniProt
site_idPS00387
Number of Residues7
DetailsPPASE Inorganic pyrophosphatase signature. DGDPLDA
ChainResidueDetails
AASP52-ALA58

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"26296329","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues15
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"26296329","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"26296329","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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