2I5B

The crystal structure of an ADP complex of Bacillus subtilis pyridoxal kinase provides evidence for the parralel emergence of enzyme activity during evolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, D, B, E	Phosphomethylpyrimidine kinase	polymer	271	29047.2	5	UniProt (P39610) Pfam (PF08543) In PDB	Bacillus subtilis	HMP-phosphate kinase, HMP-P kinase
2	A, C, D, B, E	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	5	Chemie (ADP)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	145236.1
Non-Polymers*	Number of molecules	5
	Total formula weight	2136.0
All*	Total formula weight	147372.1

*Water molecules are not included.