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1K4G

CRYSTAL STRUCTURE OF TRNA-GUANINE TRANSGLYCOSYLASE (TGT) COMPLEXED WITH 2,6-DIAMINO-8-(1H-IMIDAZOL-2-YLSULFANYLMETHYL)-3H-QUINAZOLINE-4-ONE

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
TRNA-GUANINE TRANSGLYCOSYLASEpolymer38642925.71UniProt (P28720)
Pfam (PF01702)
Zymomonas mobilisTGT, Queuine tRNA-ribosyltransferase, Guanine insertion enzyme
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
2,6-DIAMINO-8-(1H-IMIDAZOL-2-YLSULFANYLMETHYL)-3H-QUINAZOLINE-4-ONEnon-polymer288.31Chemie (AIQ)
4D
(A)
waterwater18.0382Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight42925.7
Non-Polymers*Number of molecules2
Total formula weight353.7
All*Total formula weight43279.4
*Water molecules are not included.

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PDB entries from 2026-03-11

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