4hsh

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Template:STRUCTURE 4hsh

Contents

tRNA-guanine transglycosylase Y106F, V233G mutant in complex with queuine

Template:ABSTRACT PUBMED 23704982

Function

[TGT_ZYMMO] Exchanges the guanine residue with 7-aminomethyl-7-deazaguanine in tRNAs with GU(N) anticodons (tRNA-Asp, -Asn, -His and -Tyr). After this exchange, a cyclopentendiol moiety is attached to the 7-aminomethyl group of 7-deazaguanine, resulting in the hypermodified nucleoside queuosine (Q) (7-(((4,5-cis-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-7-deazaguanosine).[HAMAP-Rule:MF_00168]

About this Structure

4hsh is a 1 chain structure with sequence from Zymomonas mobilis subsp. mobilis zm4 = atcc 31821. Full crystallographic information is available from OCA.

See Also

Reference

  • Biela I, Tidten-Luksch N, Immekus F, Glinca S, Nguyen TX, Gerber HD, Heine A, Klebe G, Reuter K. Investigation of specificity determinants in bacterial tRNA-guanine transglycosylase reveals queuine, the substrate of its eucaryotic counterpart, as inhibitor. PLoS One. 2013 May 21;8(5):e64240. doi: 10.1371/journal.pone.0064240. Print 2013. PMID:23704982 doi:10.1371/journal.pone.0064240

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