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1I9D

ARSENATE REDUCTASE FROM E. COLI

Functional Information from GO Data
ChainGOidnamespacecontents
A0008794molecular_functionarsenate reductase (glutaredoxin) activity
A0016491molecular_functionoxidoreductase activity
A0046685biological_processresponse to arsenic-containing substance
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SO4 A 402
ChainResidue
ACYS12
AHOH719
AHOH866
AGLY13
ATHR14
AASN62
AGLU67
ASO3502
ACS610
AHOH627
AHOH675

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 403
ChainResidue
AARG107
AHOH698
AHOH711
AHOH785
AHOH792
AHOH822

site_idAC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO4 A 404
ChainResidue
ATHR14
AASN17
APRO108
ASER109
ALYS126
AHOH627
AHOH695
AHOH739
AHOH766
AHOH843

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO3 A 502
ChainResidue
AARG94
AARG107
ASO4402
ACS610
AHOH711
AHOH858

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CS A 602
ChainResidue
ALEU113
ALEU113
AASP114
AASP114
ALEU116
ALEU116

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CS A 603
ChainResidue
AGLU67
AHOH857

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CS A 604
ChainResidue
APRO38
AGLU43
AHOH905

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CS A 605
ChainResidue
AGLY26
ATHR27
AHOH686
AHOH879
AHOH915

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CS A 606
ChainResidue
AGLU64
AGLN87
ACS608
AHOH680
AHOH717

site_idBC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CS A 607
ChainResidue
AGLN120
AGLU135
AHOH731
AHOH782
AHOH811

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CS A 608
ChainResidue
AGLU64
ACS606
AHOH733
AHOH771
AHOH973

site_idBC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CS A 609
ChainResidue
AGLU73
AASP128
AHOH677

site_idBC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CS A 610
ChainResidue
AASN62
ASO4402
ASO3502
AHOH866

site_idBC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CS A 611
ChainResidue
AASN3
AILE4
ATHR30
AHOH643
AHOH875

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Nucleophile; cysteine thioarsenate intermediate => ECO:0000255|PROSITE-ProRule:PRU01282, ECO:0000269|PubMed:11709171, ECO:0000269|PubMed:15295115, ECO:0000269|PubMed:7577935
ChainResidueDetails
ACYS12

site_idSWS_FT_FI2
Number of Residues1
DetailsSITE: Important for activity. Lowers pKa of the active site Cys => ECO:0000269|PubMed:8969183
ChainResidueDetails
AHIS8

site_idSWS_FT_FI3
Number of Residues3
DetailsSITE: Important for activity. Involved in arsenate binding and transition-state stabilization => ECO:0000269|PubMed:11709171, ECO:0000269|PubMed:14592722, ECO:0000269|PubMed:15295115
ChainResidueDetails
AARG60
AARG94
AARG107

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PDB entries from 2024-05-01

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