1VQ1

Crystal structure of N5-glutamine methyltransferase, HemK(EC 2.1.1.-) (TM0488) from Thermotoga maritima at 2.80 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	N5-glutamine methyltransferase, HemK	polymer	294	33349.5	2	UniProt (Q9WYV8) Pfam (PF17827) Pfam (PF05175) In PDB	Thermotoga maritima
2	A, B	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
3		water	water		18.0	7	Chemie (HOH)

Sequence modifications

A, B: 1 - 282 (UniProt: Q9WYV8)

PDB	External Database	Details
Mse -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Mse 1	Met 1	modified residue
Mse 89	Met 89	modified residue
Mse 193	Met 193	modified residue
Mse 245	Met 245	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	66699.0
Non-Polymers*	Number of molecules	2
	Total formula weight	796.9
All*	Total formula weight	67495.9

*Water molecules are not included.