Arsenate reductase: Difference between revisions

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<StructureSection load='1j9b' size='350' side='right' caption='Structure of arsenate reductase complex with arsenate, thiarsahydroxy-cysteine and Cs+ ion (dark purple)  (PDB entry [[1j9b]])' scene=''>
<StructureSection load='1j9b' size='350' side='right' caption='Structure of arsenate reductase complex with arsenate, thiarsahydroxy-cysteine, sulfate and Cs+ ion (dark purple)  (PDB entry [[1j9b]])' scene='54/547051/Cv/1'>
    
    
== Function ==


'''Arsenate reductase''' (AsR) catalyzes the conversion of arsenate (As) and glutaredoxin to arsenite and glutaredoxin disulfide. AsR is part of the arsenic detoxification pathway.  
'''Arsenate reductase''' or '''glutaredoxin arsenate reductase''' (AsR) catalyzes the conversion of arsenate (As V) and glutaredoxin to arsenite (As III) and glutaredoxin disulfide.<ref>PMID:7476363</ref>  


== 3D structures of arsenate reducatse==
== Relevance ==


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
AsR is part of the arsenic detoxification pathway. 


[[1jf8]], [[1ljl]] – SaAsR – ''Staphylococcus aureus'' <BR />
== Structural highlights ==
[[1jfv]], [[1lk0]], [[1rxi]], [[2cd7]], [[2fxi]] – SaAsR (mutant) <BR />
[[1jl3]] – BsAsR – ''Bacillus subtilis'' <BR />
[[1z2d]], [[1z2e]] – BsAsR - NMR <BR />
[[1i9d]] – EcAsR – ''Escherichia coli'' <BR />
[[1s3c]], [[1s3d]], [[1sd8]], [[1sd9]], [[1sk2]] – EcAsR (mutant) <BR />
[[2l17]], [[2l18]] – SyAsR – ''Synechocystis'' - NMR<BR />
[[2l19]] – SyAsR (mutant) - NMR<BR />


===Arsenate reductase complexes===
The AsR active site contains a <scene name='54/547051/Cv/5'>catalytic Cys residue which forms a covalent thiolate-As V intermediate</scene>. <scene name='54/547051/Cv/6'>Entire active site</scene> (PDB entry [[1j9b]]).<ref>PMID:11709171</ref>


[[1jzw]] – EcAsR + arsonocysteine <BR />
== 3D structures of arsenate reductase==
[[1sk1]] – EcAsR (mutant) + arsonocysteine <BR />
[[Arsenate reductase 3D structures]]
[[1sjz]], [[1sk0]] – EcAsR (mutant) + arsonocysteine + AsO3<BR />
 
[[1j9b]] – EcAsR + AsO3 + thiarsahydroxy-cysteine<BR />
</StructureSection>
[[1lju]] – SaAsR (mutant) + arsonocysteine <BR />
 
[[1rxe]] – SaAsR (mutant) + mercapto-nitrobenzoate <BR />
== References ==
[[2ipa]] – BsAsR (mutant) + thioredoxin (mutant)<BR />
<references/>
[[Category:Topic Page]]

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Michal Harel, Alexander Berchansky