5URB

Crystal Structure of Methionyl-tRNA synthetase (MetRS) from Acinetobacter baumannii with bound L-Methionine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Methionine--tRNA ligase	polymer	567	64243.1	2	UniProt (A0A0D5YKJ7) Pfam (PF09334) Pfam (PF19303) In PDB	Acinetobacter baumannii	Methionyl-tRNA synthetase,MetRS
2	A, B	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
3	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	A, B	METHIONINE	non-polymer		149.2	2	Chemie (MET)
5	A	1,2-ETHANEDIOL	non-polymer		62.1	3	Chemie (EDO)
6	A, B	NITRATE ION	non-polymer		62.0	13	Chemie (NO3)
7		water	water		18.0	1007	Chemie (HOH)

Sequence modifications

A, B: 1 - 546 (UniProt: A0A0D5YKJ7)

PDB	External Database	Details
Met -20	-	initiating methionine
Ala -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
Met -12	-	expression tag
Gly -11	-	expression tag
Thr -10	-	expression tag
Leu -9	-	expression tag
Glu -8	-	expression tag
Ala -7	-	expression tag
Gln -6	-	expression tag
Thr -5	-	expression tag
Gln -4	-	expression tag
Gly -3	-	expression tag
Pro -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	128486.2
Non-Polymers*	Number of molecules	22
	Total formula weight	1467.5
All*	Total formula weight	129953.7

*Water molecules are not included.