7EWS

Crystal structure of arginine kinase (AK3) from the ciliate Paramecium tetraurelia

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)	arginine kinase	polymer	401	45523.4	2	UniProt (A0C7I4) Pfam (PF02807) Pfam (PF00217)	Paramecium tetraurelia
2	C, D (A, B)	water	water		18.0	516	Chemie (HOH)

Sequence modifications

A, B: 2 - 395 (UniProt: A0C7I4)

PDB	External Database	Details
Met -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	91046.8
All*	Total formula weight	91046.8

*Water molecules are not included.