6yhd

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tRNA-guanine Transglycosylase (TGT) labeled with 5-fluorotryptophan in co-crystallized complex with 6-amino-4-(2-((2R,3S,4R,5R)-3,4-dihydroxy-5-methoxytetrahydrofuran-2-yl)ethyl)-2-(methylamino)-3,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one

Structural highlights

6yhd is a 1 chain structure with sequence from Zymomonas mobilis subsp. mobilis ZM4 = ATCC 31821. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.25Å
Ligands:1WK, CL, FTR, GOL, ZN
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

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]

See Also

Contents


PDB ID 6yhd

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OCA

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