7KFF

Crystal structure of TrmD tRNA (guanine-N1)-methyltransferase from Corynebacterium diphtheriae in complex with SAH

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	308	34815.9	1	UniProt (A0A2T1BS25) Pfam (PF01746) UniProt (by SIFTS) (Q6NGI5) In PDB	Corynebacterium diphtheriae	M1G-methyltransferase,tRNA [GM37] methyltransferase
2	A	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
3	A	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	1	Chemie (SAH)
4		water	water		18.0	239	Chemie (HOH)

Sequence modifications

A: 1 - 292 (UniProt: A0A2T1BS25)

PDB	External Database	Details
Mse -15	-	initiating methionine
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	34815.9
Non-Polymers*	Number of molecules	2
	Total formula weight	443.5
All*	Total formula weight	35259.4

*Water molecules are not included.