1ESN

STRUCTURAL BASIS FOR THE FEEDBACK REGULATION OF ESCHERICHIA COLI PANTOTHENATE KINASE BY COENZYME A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	PANTOTHENATE KINASE	polymer	316	36734.0	4	UniProt (P0A6I3) Pfam (PF00485) In PDB	Escherichia coli	PANK
2	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	A, B, C, D	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	4	Chemie (ANP)
4		water	water		18.0	306	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 316 (UniProt: P0A6I3)

PDB	External Database	Details
Mse 9	Met 9	MODIFIED RESIDUE
Mse 29	Met 29	MODIFIED RESIDUE
Mse 142	Met 142	MODIFIED RESIDUE
Mse 153	Met 153	MODIFIED RESIDUE
Mse 208	Met 208	MODIFIED RESIDUE
Mse 275	Met 275	MODIFIED RESIDUE

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	146935.9
Non-Polymers*	Number of molecules	8
	Total formula weight	2122.0
All*	Total formula weight	149057.9

*Water molecules are not included.