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{{Infobox enzyme
| Name = D-inositol-3-phosphate glycosyltransferase
| EC_number = 2.4.1.250
| CAS_number = 
| IUBMB_EC_number = 2/4/1/250
| GO_code = 
| image = 
| width = 
| caption =
}}
'''D-inositol-3-phosphate glycosyltransferase''' ({{EC number|2.4.1.250}}, ''mycothiol glycosyltransferases'', ''MshA'') is an [[enzyme]] with system name ''UDP-N-acetyl-D-glucosamine:1D-myo-inositol 3-phosphate alpha-D-glycosyltransferase''.<ref>{{cite journal | title = The glycosyltransferase gene encoding the enzyme catalyzing the first step of mycothiol biosynthesis (''mshA'') |author = Newton, G.L., Koledin, T., Gorovitz, B., Rawat, M., Fahey, R.C. and Av-Gay, Y. |journal = J. Bacteriol. |year = 2003 |volume = 185 |pages = 3476–3479 |pmid = 12754249 | doi = 10.1128/JB.185.11.3476-3479.2003 | issue = 11 | pmc = 155378}}</ref><ref>{{cite journal | title = Biochemistry of the initial steps of mycothiol biosynthesis |author = Newton, G.L., Ta, P., Bzymek, K.P. and Fahey, R.C. |journal = J. Biol. Chem. |year = 2006 |volume = 281 |pages = 33910–33920 |pmid = 16940050 | doi = 10.1074/jbc.M604724200 | issue = 45}}</ref><ref>{{cite journal | title = Structural and enzymatic analysis of MshA from ''Corynebacterium glutamicum'': substrate-assisted catalysis |author = Vetting, M.W., Frantom, P.A. and Blanchard, J.S. |journal = J. Biol. Chem. |year = 2008 |volume = 283 |pages = 15834–15844 |pmid = 18390549 | doi = 10.1074/jbc.M801017200 | issue = 23 | pmc = 2414306}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: [[UDP-N-acetyl-D-glucosamine]] + 1D-myo-inositol 3-phosphate <math>\rightleftharpoons</math> 1-O-(2-acetamido-2-deoxy-alpha-D-glucopyranosyl)-1D-myo-inositol 3-phosphate + UDP

This enzyme catalyses the first dedicated reaction in the [[biosynthesis]] of [[mycothiol]].

== References ==
{{reflist}}

== External links ==
* {{MeshName|D-inositol-3-phosphate+glycosyltransferase}}

[[Category:EC 2.4.1]]