1P9P

The Crystal Structure of a M1G37 tRNA Methyltransferase, TrmD

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	tRNA (Guanine-N(1)-)-methyltransferase	polymer	261	29287.2	1	UniProt (P0A873) Pfam (PF01746) In PDB	Escherichia coli	M1G-methyltransferase, tRNA [GM37] methyltransferase
2	A	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	1	Chemie (SAH)
3		water	water		18.0	43	Chemie (HOH)

Sequence modifications

A: 1 - 255 (UniProt: P0A873)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29287.2
Non-Polymers*	Number of molecules	1
	Total formula weight	384.4
All*	Total formula weight	29671.7

*Water molecules are not included.