10FA

E. coli tRNA guanine transgylcosylase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Queuine tRNA-ribosyltransferase	polymer	390	44579.7	4	UniProt (P0A847) Pfam (PF01702)	Escherichia coli	Guanine insertion enzyme,tRNA-guanine transglycosylase
2	E, F, G, H (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN) PubChem (32051)

Sequence modifications

A, B, C, D: 2 - 375 (UniProt: P0A847)

PDB	External Database	Details
Met -8	-	expression tag
Trp -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
Pro -4	-	expression tag
Gln -3	-	expression tag
Phe -2	-	expression tag
Glu -1	-	expression tag
Lys 0	-	expression tag
Gly 1	-	expression tag
His 376	-	expression tag
His 377	-	expression tag
His 378	-	expression tag
His 379	-	expression tag
His 380	-	expression tag
His 381	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	178318.9
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	178580.5

*Water molecules are not included.