2DDM

Crystal Structure of Pyridoxal Kinase from the Escherichia coli PdxK gene at 2.1 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, B (A, B)	Pyridoxine kinase	polymer	283	30876.3	2	UniProt (P40191) Pfam (PF08543)	Escherichia coli	Pyridoxal kinase, Vitamin B6 kinase, Pyridoxamine kinase, PN/PL/PM kinase
2	C, D (A, B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
3	E, F (A, B)	water	water		18.0	407	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	61752.6
Non-Polymers*	Number of molecules	2
	Total formula weight	244.3
All*	Total formula weight	61996.9

*Water molecules are not included.