Structural highlights
1dp2 is a 1 chain structure with sequence from Bos taurus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
|
| Ligands: | |
| NonStd Res: | |
| Related: | 2ora, 1orb, 1rhd, 1boi, 1boh, 1rhs |
| Activity: | Thiosulfate sulfurtransferase, with EC number 2.8.1.1 |
| Resources: | FirstGlance, OCA, PDBe, RCSB, PDBsum |
Function
[THTR_BOVIN] Together with MRPL18, acts as a mitochondrial import factor for the cytosolic 5S rRNA. Only the nascent unfolded cytoplasmic form is able to bind to the 5S rRNA (By similarity). Formation of iron-sulfur complexes and cyanide detoxification. Binds molecular oxygen and sulfur.
Evolutionary Conservation
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
Dihydrolipoate is an acceptor of the rhodanese-bound sulfane sulfur atom, as shown by analysis of the elementary steps of the reaction catalyzed by rhodanese. The crystal structure of sulfur-substituted rhodanese complexed with the non-reactive oxidized form of lipoate has revealed that the compound is bound at the enzyme active site, with the dithiolane ring buried in the interior of the cavity and the carboxylic end pointing towards the solvent. One of the sulfur atoms of the ligand in the unproductive complex is relatively close to the sulfane sulfur bound to Cys-247, the sulfur that is transferred during the catalytic reaction. This mode of binding of lipoate is likely to mimic that of dihydrolipoate. The results presented here support the possible role of dihydrolipoate as sulfur-acceptor substrate of rhodanese in an enzymatic reaction that might serve to provide iron-sulfur proteins with inorganic sulfide.
Specific interaction of lipoate at the active site of rhodanese.,Cianci M, Gliubich F, Zanotti G, Berni R Biochim Biophys Acta. 2000 Aug 31;1481(1):103-8. PMID:11004580[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
See Also
References
- ↑ Cianci M, Gliubich F, Zanotti G, Berni R. Specific interaction of lipoate at the active site of rhodanese. Biochim Biophys Acta. 2000 Aug 31;1481(1):103-8. PMID:11004580
