4RZX

Crystal structure (type-3) of dTMP kinase (st1543) from Sulfolobus Tokodaii Strain7

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Probable thymidylate kinase	polymer	213	24631.5	2	UniProt (Q970Q8) Pfam (PF02223) In PDB	Sulfolobus tokodaii	dTMP kinase
2	A, B	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	A	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
4		water	water		18.0	16	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49263.0
Non-Polymers*	Number of molecules	3
	Total formula weight	248.6
All*	Total formula weight	49511.6

*Water molecules are not included.