2FLO

Crystal structure of exopolyphosphatase (PPX) from E. coli O157:H7

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	Exopolyphosphatase	polymer	524	60213.3	4	UniProt (P0AFL8) Pfam (PF02541) Pfam (PF21447) In PDB	Escherichia coli	ExopolyPase, Metaphosphatase
2		water	water		18.0	630	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 513 (UniProt: P0AFL8)

PDB	External Database	Details
Mse -10	-	cloning artifact
Gly -9	-	cloning artifact
Ser -8	-	cloning artifact
Ser -7	-	cloning artifact
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Gly 0	-	cloning artifact
Ser 1	-	cloning artifact
Mse 25	Met 24	modified residue
Mse 35	Met 34	modified residue
Mse 56	Met 55	modified residue
Mse 62	Met 61	modified residue
Mse 127	Met 126	modified residue
Mse 167	Met 166	modified residue
Mse 192	Met 191	modified residue
Mse 214	Met 213	modified residue
Mse 228	Met 227	modified residue
Mse 230	Met 229	modified residue
Mse 305	Met 304	modified residue
Mse 341	Met 340	modified residue
Mse 343	Met 342	modified residue
Mse 368	Met 367	modified residue
Mse 404	Met 403	modified residue
Mse 405	Met 404	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	240853.2
All*	Total formula weight	240853.2

*Water molecules are not included.