8QHP

Cysteine tRNA ligase homodimer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Cysteine--tRNA ligase	polymer	490	57558.6	2	UniProt (Q8U227) Pfam (PF01406) Pfam (PF09190) In PDB	Pyrococcus furiosus DSM 3638
2	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Sequence modifications

A, B: 2 - 477 (UniProt: Q8U227)

PDB	External Database	Details
Met -12	-	initiating methionine
Lys -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
Gly -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Ser -1	-	expression tag
Gly 0	-	expression tag
Gly 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	115117.2
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	115248.0

*Water molecules are not included.