Galactoside O-acetyltransferase
From Proteopedia
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			 (New page:  <StructureSection load='1krr' size='340' side='right' caption='Caption for this structure' scene=''>  == Function ==  '''Galactoside O-acetyltransferase''' (GAT) assists cellular detoxifi...)  | 
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| - | + | <StructureSection load='1krr' size='340' side='right' caption='Galactoside O-acetyltransferase complex with acetyl-CoA (PDB code [[1krr]])' scene=''>  | |
| - | <StructureSection load='1krr' size='340' side='right' caption='  | + | |
== Function ==  | == Function ==  | ||
| - | '''Galactoside O-acetyltransferase''' (GAT) assists cellular detoxification by acetylating the 6-hydroxyl group of nonmetabolizable pyranosides like galactosides, glucosides and lactosides and thus preventing their reentry into the cell<ref>PMID:11937062</ref>.  GAT gene is part of the ''lac'' operon<ref>PMID:15950163</ref>.  | + | '''Galactoside O-acetyltransferase''' (GAT) assists cellular detoxification by acetylating the 6-hydroxyl group of nonmetabolizable pyranosides like galactosides, glucosides and lactosides and thus preventing their reentry into the cell<ref name="GAT">PMID:11937062</ref>.  GAT gene is part of the ''lac'' operon<ref>PMID:15950163</ref>.  | 
== Structural highlights ==  | == Structural highlights ==  | ||
| + | The structure of the complex of GAT with the cofactor acetyl-CoA shows that the latter binds to residues in a crevice between two subunits<ref name="GAT"/>.  | ||
</StructureSection>  | </StructureSection>  | ||
Revision as of 10:49, 20 November 2018
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3D structures of galactoside O-acetyltransferase
Updated on 20-November-2018
1kqa, 1krr – EcGAT + Acetyl CoA – Escherichia coli
1kru, 1krv – EcGAT + Acetyl CoA + galactopyranose derivative
3ftt – SaGAT – Staphylococcus aureus
3v4e, 5u2k, 5v0z – SaGAT + Acetyl CoA 
3vbi – BcGAT + Acetyl CoA + TDP derivative – Bacillus cereus
3vbn, 3vbp, 3vbk, 3vbl, 3vbm – BcGAT (mutant) + Acetyl CoA + TDP derivative 
3vbj – BcGAT + butyryl CoA + TDP 
References
- ↑ 1.0 1.1 Wang XG, Olsen LR, Roderick SL. Structure of the lac operon galactoside acetyltransferase. Structure. 2002 Apr;10(4):581-8. PMID:11937062
 - ↑ Roderick SL. The lac operon galactoside acetyltransferase. C R Biol. 2005 Jun;328(6):568-75. doi: 10.1016/j.crvi.2005.03.005. PMID:15950163 doi:http://dx.doi.org/10.1016/j.crvi.2005.03.005
 
