3WKS

Crystal structure of the SepCysS-SepCysE N-terminal domain complex from

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	O-phospho-L-seryl-tRNA:Cys-tRNA synthase	polymer	416	47424.5	2	UniProt (Q59072) Pfam (PF05889)	Methanocaldococcus jannaschii	Sep-tRNA:Cys-tRNA synthase, SepCysS
2	C, D (C, D)	Uncharacterized protein MJ1481	polymer	106	12546.7	2	UniProt (Q58876) Pfam (PF09873)	Methanocaldococcus jannaschii	SepCysE
3	E, F, G, H (A, B, C, D)	water	water		18.0	23	Chemie (HOH)

Sequence modifications

A, B: 21 - 396 (UniProt: Q59072)

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
Met 1	-	expression tag
Glu 2	-	expression tag
Leu 3	-	expression tag
Glu 4	-	expression tag
Gly 5	-	expression tag
Pro 6	-	expression tag
Tyr 7	-	expression tag
Ser 8	-	expression tag
Lys 9	-	expression tag
Lys 10	-	expression tag
Phe 11	-	expression tag
Glu 12	-	expression tag
Val 13	-	expression tag
Ile 14	-	expression tag
Thr 15	-	expression tag
Leu 16	-	expression tag
Asp 17	-	expression tag
Ile 18	-	expression tag
Asn 19	-	expression tag
Leu 20	-	expression tag

C, D: 1 - 103 (UniProt: Q58876)

PDB	External Database	Details
Met -2	-	expression tag
Asn -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	119942.3
All*	Total formula weight	119942.3

*Water molecules are not included.