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1SK2

ARSENATE REDUCTASE R60A MUTANT +0.4M ARSENATE 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 Residues10
DetailsBINDING SITE FOR RESIDUE SO4 A 201
ChainResidue
AGLY13
AHOH1276
ATHR14
AASN62
AGLU67
AHOH1040
AHOH1109
AHOH1122
AHOH1160
AHOH1255

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 202
ChainResidue
AASN93
AARG107
AHOH1107
AHOH1119
AHOH1168
AHOH1180
AHOH1203
AHOH1308

site_idAC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE SO4 A 203
ChainResidue
ATHR14
AASN17
APRO108
ASER109
ALYS126
AHOH1040
AHOH1041
AHOH1095
AHOH1108
AHOH1131

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CS A 401
ChainResidue
ALEU113
ALEU113
AASP114
AASP114
ALEU116
ALEU116

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CS A 402
ChainResidue
APRO38
ASER40
AGLU43

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CS A 404
ChainResidue
AGLU135
AHOH1078

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CS A 405
ChainResidue
AGLU67
AASP128
AHOH1189
AHOH1276

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile; cysteine thioarsenate intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU01282","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11709171","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15295115","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7577935","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsSite: {"description":"Important for activity. Lowers pKa of the active site Cys","evidences":[{"source":"PubMed","id":"8969183","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsSite: {"description":"Important for activity. Involved in arsenate binding and transition-state stabilization","evidences":[{"source":"PubMed","id":"11709171","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"14592722","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15295115","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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