3HRK

Histidyl-tRNA synthetase from Trypanosoma cruzi (Histidyl-adenylate complex)

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)	Histidyl-tRNA synthetase	polymer	456	51185.6	2	UniProt (Q4DA54) Pfam (PF13393) Pfam (PF03129)	Trypanosoma cruzi
2	C, E (A, B)	HISTIDYL-ADENOSINE MONOPHOSPHATE	non-polymer		484.4	2	Chemie (HAM)
3	D (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)

Sequence modifications

A, B: 45 - 478 (UniProt: Q4DA54)

PDB	External Database	Details
Met -22	-	expression tag
Ala -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
Met -14	-	expression tag
Gly -13	-	expression tag
Thr -12	-	expression tag
Leu -11	-	expression tag
Glu -10	-	expression tag
Ala -9	-	expression tag
Gln -8	-	expression tag
Thr -7	-	expression tag
Gln -6	-	expression tag
Gly -5	-	expression tag
Pro -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Met -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	102371.2
Non-Polymers*	Number of molecules	3
	Total formula weight	1004.2
All*	Total formula weight	103375.4

*Water molecules are not included.