1NJ2

Crystal structure of Prolyl-tRNA Synthetase from Methanothermobacter thermautotrophicus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Proline-tRNA Synthetase	polymer	501	58170.3	1	UniProt (O26708) Pfam (PF00587) Pfam (PF03129) Pfam (PF09180)	Methanothermobacter thermautotrophicus	Prolyl-tRNA synthetase; Proline--tRNA ligase; ProRS
2	B (A)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
3	C (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	D (A)	water	water		18.0	13	Chemie (HOH)

Sequence modifications

A: 1 - 481 (UniProt: O26708)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Tyr 473	Thr 473	SEE REMARK 999
Arg 474	Gly 474	SEE REMARK 999
Ala 475	Leu 475	SEE REMARK 999
Tyr 476	Thr 476	SEE REMARK 999
Ala 478	Pro 478	SEE REMARK 999
Arg 479	Glu 479	SEE REMARK 999
Thr 480	His 480	SEE REMARK 999
Tyr 481	Ile 481	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	58170.3
Non-Polymers*	Number of molecules	2
	Total formula weight	89.7
All*	Total formula weight	58260.0

*Water molecules are not included.