4EO4

Crystal structure of the yeast mitochondrial threonyl-tRNA synthetase (MST1) in complex with seryl sulfamoyl adenylate

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	Threonine--tRNA ligase, mitochondrial	polymer	460	53473.9	4	UniProt (P07236) Pfam (PF00587) Pfam (PF03129) In PDB	Saccharomyces cerevisiae (Baker's yeast)	Threonyl-tRNA synthetase, ThrRS
2	A, B, C, D	5'-O-(N-(L-SERYL)-SULFAMOYL)ADENOSINE	non-polymer		433.4	8	Chemie (SSA)
3	A, B, C, D	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
4		water	water		18.0	341	Chemie (HOH)

Sequence modifications

A, B, C, D: 26 - 462 (UniProt: P07236)

PDB	External Database	Details
Met 3	-	initiating methionine
Gly 4	-	expression tag
Ser 5	-	expression tag
Ser 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
Ser 13	-	expression tag
Ser 14	-	expression tag
Gly 15	-	expression tag
Leu 16	-	expression tag
Val 17	-	expression tag
Pro 18	-	expression tag
Arg 19	-	expression tag
Gly 20	-	expression tag
Ser 21	-	expression tag
His 22	-	expression tag
Met 23	-	initiating methionine
Ala 24	-	expression tag
Ser 25	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	213895.6
Non-Polymers*	Number of molecules	12
	Total formula weight	3728.8
All*	Total formula weight	217624.4

*Water molecules are not included.