1Y5X

tRNA-guanine Transglycosylase (TGT) in complex with 6-Amino-4-[2-(4-methoxyphenyl)ethyl]-1,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	Queuine tRNA-ribosyltransferase	polymer	385	42794.5	2	UniProt (P28720) Pfam (PF01702) In PDB	Zymomonas mobilis	tRNA-guanine transglycosylase, Guanine insertion enzyme
2	A, D	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	A, D	6-AMINO-4-[2-(4-METHOXYPHENYL)ETHYL]-1,7-DIHYDRO-8H-IMIDAZO[4,5-G]QUINAZOLIN-8-ONE	non-polymer		335.4	2	Chemie (E89)
4		water	water		18.0	243	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85589.0
Non-Polymers*	Number of molecules	4
	Total formula weight	801.5
All*	Total formula weight	86390.6

*Water molecules are not included.