1PS7

Crystal structure of E.coli PdxA

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 (A, B, C, D)	4-hydroxythreonine-4-phosphate dehydrogenase	polymer	329	35477.9	4	UniProt (P19624) Pfam (PF04166)	Escherichia coli	4- phosphohydroxy, -L-threonine dehydrogenase
2	E, F, G, H (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	I, J, K, L (A, B, C, D)	water	water		18.0	454	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 329 (UniProt: P19624)

PDB	External Database	Details
Mse 49	Met 49	modified residue
Mse 151	Met 151	modified residue
Mse 152	Met 152	modified residue
Mse 218	Met 218	modified residue
Mse 238	Met 238	modified residue
Mse 264	Met 264	modified residue
Mse 324	Met 324	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	141911.7
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	142173.3

*Water molecules are not included.