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1OI8

5'-Nucleotidase (E. coli) with an Engineered Disulfide Bridge (P90C, L424C)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0008253molecular_function5'-nucleotidase activity
A0008768molecular_functionUDP-sugar diphosphatase activity
A0009166biological_processnucleotide catabolic process
A0016787molecular_functionhydrolase activity
A0016788molecular_functionhydrolase activity, acting on ester bonds
A0030288cellular_componentouter membrane-bounded periplasmic space
A0042597cellular_componentperiplasmic space
A0046872molecular_functionmetal ion binding
B0000166molecular_functionnucleotide binding
B0008253molecular_function5'-nucleotidase activity
B0008768molecular_functionUDP-sugar diphosphatase activity
B0009166biological_processnucleotide catabolic process
B0016787molecular_functionhydrolase activity
B0016788molecular_functionhydrolase activity, acting on ester bonds
B0030288cellular_componentouter membrane-bounded periplasmic space
B0042597cellular_componentperiplasmic space
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A1551
ChainResidue
AASP84
AASN116
AHIS217
AHIS252
AMN1552
ACO31554

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A1552
ChainResidue
AGLN254
AMN1551
ACO31554
AASP41
AHIS43
AASP84

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A1553
ChainResidue
AARG410
APRO428
APHE429
AHOH2381
AHOH2474

site_idAC4
Number of Residues10
DetailsBINDING SITE FOR RESIDUE CO3 A1554
ChainResidue
AASP41
AASP84
AASN116
AHIS117
AHIS217
AHIS252
AGLN254
AMN1551
AMN1552
AHOH2475

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN B1551
ChainResidue
BASP41
BHIS43
BASP84
BGLN254
BMN1552
BCO31554

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN B1552
ChainResidue
BASP84
BASN116
BHIS217
BHIS252
BMN1551
BCO31554

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B1553
ChainResidue
BARG410
BPHE429
BHOH2438
BHOH2439
BHOH2440

site_idAC8
Number of Residues12
DetailsBINDING SITE FOR RESIDUE CO3 B1554
ChainResidue
BASP41
BHIS43
BASP84
BASN116
BHIS117
BHIS217
BHIS252
BGLN254
BMN1551
BMN1552
BHOH2203
BHOH2441

Functional Information from PROSITE/UniProt
site_idPS00785
Number of Residues13
Details5_NUCLEOTIDASE_1 5'-nucleotidase signature 1. ItVLHTnDhHGhF
ChainResidueDetails
AILE34-PHE46

site_idPS00786
Number of Residues12
Details5_NUCLEOTIDASE_2 5'-nucleotidase signature 2. YdamaIGNHEFD
ChainResidueDetails
ATYR109-ASP120

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues34
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues6
DetailsAnnotated By Reference To The Literature 1ush
ChainResidueDetails
AARG375
AARG410
AASP120
AHIS117
AARG379
AASN116

site_idCSA2
Number of Residues6
DetailsAnnotated By Reference To The Literature 1ush
ChainResidueDetails
BARG375
BARG410
BASP120
BHIS117
BARG379
BASN116

site_idMCSA1
Number of Residues12
DetailsM-CSA 611
ChainResidueDetails
AASP41metal ligand
AARG375electrostatic stabiliser, increase acidity, increase electrophilicity
AARG379electrostatic stabiliser, increase acidity, increase electrophilicity
AARG410electrostatic stabiliser, increase acidity, increase electrophilicity
AHIS43metal ligand
AASP84metal ligand
AASN116electrostatic stabiliser, metal ligand
AHIS117electrostatic stabiliser, increase nucleophilicity, metal ligand, proton acceptor
AASP120electrostatic stabiliser, increase basicity
AHIS217metal ligand
AHIS252metal ligand
AGLN254metal ligand

site_idMCSA2
Number of Residues12
DetailsM-CSA 611
ChainResidueDetails
BASP41metal ligand
BARG375electrostatic stabiliser, increase acidity, increase electrophilicity
BARG379electrostatic stabiliser, increase acidity, increase electrophilicity
BARG410electrostatic stabiliser, increase acidity, increase electrophilicity
BHIS43metal ligand
BASP84metal ligand
BASN116electrostatic stabiliser, metal ligand
BHIS117electrostatic stabiliser, increase nucleophilicity, metal ligand, proton acceptor
BASP120electrostatic stabiliser, increase basicity
BHIS217metal ligand
BHIS252metal ligand
BGLN254metal ligand

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PDB entries from 2025-12-24

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