This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
Arsenate reductase
From Proteopedia
(Difference between revisions)
| (13 intermediate revisions not shown.) | |||
| Line 1: | Line 1: | ||
| - | <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=''> | + | <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. | + | '''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> |
| - | </ | + | |
| - | == | + | == Relevance == |
| - | + | AsR is part of the arsenic detoxification pathway. | |
| - | + | ||
| - | + | == Structural highlights == | |
| - | + | 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> | |
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | == 3D structures of arsenate reductase== | |
| + | [[Arsenate reductase 3D structures]] | ||
| + | |||
| + | </StructureSection> | ||
| - | + | == References == | |
| - | + | <references/> | |
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
| - | + | ||
[[Category:Topic Page]] | [[Category:Topic Page]] | ||
Current revision
| |||||||||||
References
- ↑ Holmgren A, Aslund F. Glutaredoxin. Methods Enzymol. 1995;252:283-92. PMID:7476363
- ↑ Martin P, DeMel S, Shi J, Gladysheva T, Gatti DL, Rosen BP, Edwards BF. Insights into the structure, solvation, and mechanism of ArsC arsenate reductase, a novel arsenic detoxification enzyme. Structure. 2001 Nov;9(11):1071-81. PMID:11709171
