4fr6

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tRNA-Guanine Transglycosylase cocrystallized with pyridyl-alkine-substituted lin-benzoguanine ligand

Structural highlights

4fr6 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 1.59Å
Ligands:0V3, 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 4fr6

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OCA

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