1NDC

X-RAY STRUCTURE OF NUCLEOSIDE DIPHOSPHATE KINASE COMPLEXED WITH DTDP AND MG2+ AT 2 A RESOLUTION

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	NUCLEOSIDE DIPHOSPHATE KINASE	polymer	155	16816.3	1	UniProt (P22887) Pfam (PF00334) In PDB	Dictyostelium discoideum
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	THYMIDINE-5'-DIPHOSPHATE	non-polymer		402.2	1	Chemie (TYD)
4		water	water		18.0	105	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16816.3
Non-Polymers*	Number of molecules	2
	Total formula weight	426.5
All*	Total formula weight	17242.8

*Water molecules are not included.