4JFA

Crystal Structure of Plasmodium falciparum Tryptophanyl-tRNA synthetase

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	Tryptophan--tRNA ligase	polymer	420	48827.5	4	UniProt (Q8IDW3) Pfam (PF00579) In PDB	Plasmodium falciparum
2	A, B, C, D	TRYPTOPHAN	non-polymer		204.2	4	Chemie (TRP)
3	A, B, D	BETA-MERCAPTOETHANOL	non-polymer		78.1	3	Chemie (BME)
4	C, D	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
5		water	water		18.0	239	Chemie (HOH)

Sequence modifications

A, B, C, D: 228 - 632 (UniProt: Q8IDW3)

PDB	External Database	Details
Met 226	-	EXPRESSION TAG
Ala 227	-	EXPRESSION TAG
Glu 633	-	EXPRESSION TAG
Asn 634	-	EXPRESSION TAG
Leu 635	-	EXPRESSION TAG
Tyr 636	-	EXPRESSION TAG
Phe 637	-	EXPRESSION TAG
Gln 638	-	EXPRESSION TAG
Gly 639	-	EXPRESSION TAG
His 640	-	EXPRESSION TAG
His 641	-	EXPRESSION TAG
His 642	-	EXPRESSION TAG
His 643	-	EXPRESSION TAG
His 644	-	EXPRESSION TAG
His 645	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	195309.9
Non-Polymers*	Number of molecules	9
	Total formula weight	1129.5
All*	Total formula weight	196439.4

*Water molecules are not included.