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1DKO

CRYSTAL STRUCTURE OF TUNGSTATE COMPLEX OF ESCHERICHIA COLI PHYTASE AT PH 6.6 WITH TUNGSTATE BOUND AT THE ACTIVE SITE AND WITH HG2+ CATION ACTING AS AN INTERMOLECULAR BRIDGE

Functional Information from GO Data
ChainGOidnamespacecontents
A0003924molecular_functionGTPase activity
A0008252molecular_functionnucleotidase activity
A0016036biological_processcellular response to phosphate starvation
A0016787molecular_functionhydrolase activity
A0030288cellular_componentouter membrane-bounded periplasmic space
A0042597cellular_componentperiplasmic space
A0050308molecular_functionsugar-phosphatase activity
A0052745molecular_functioninositol phosphate phosphatase activity
A0071454biological_processcellular response to anoxia
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE HG A 500
ChainResidue
AHIS113
AASP154
AHIS158
ATYR289
AHOH612

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE HG A 501
ChainResidue
AASP325
ATHR327
AARG16
AGLU219
AHIS250
AASP304

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE HG A 502
ChainResidue
AGLN285
ALYS286
ALEU293

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE HG A 503
ChainResidue
AALA278
APRO294
ATHR295
AHOH843

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE WO4 A 504
ChainResidue
AARG16
AHIS17
AARG20
AARG92
AHIS303
AASP304
AHOH660

Functional Information from PROSITE/UniProt
site_idPS00616
Number of Residues15
DetailsHIS_ACID_PHOSPHAT_1 Histidine acid phosphatases phosphohistidine signature. LesVviVsRHGvRaP
ChainResidueDetails
ALEU8-PRO22

site_idPS00778
Number of Residues17
DetailsHIS_ACID_PHOSPHAT_2 Histidine acid phosphatases active site signature. VlFIaGHDTNLanLggA
ChainResidueDetails
AVAL297-ALA313

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"10655611","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"1429631","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"10655611","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"8407904","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10655611","evidenceCode":"ECO:0000269"},{"source":"Reference","evidenceCode":"ECO:0000305","citation":{"citationType":"submission","publicationDate":"JUN-2014","submissionDatabase":"PDB data bank","title":"The Complex Structure of mutant Phytase with IHS.","authors":["Wu T.H.","Chen C.C.","Huang C.H.","Guo R.T."]}},{"source":"PDB","id":"1DKP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DKQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10655611","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1DKP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1DKQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 1rpt
ChainResidueDetails
AASP304
AHIS17
AARG92
AARG16
AARG20
AHIS303

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PDB entries from 2025-11-19

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