4AZK

Structural basis of L-phosphoserine binding to Bacillus alcalophilus phosphoserine aminotransferase

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)	PHOSPHOSERINE AMINOTRANSFERASE	polymer	360	40243.6	2	UniProt (Q9RME2) Pfam (PF00266)	BACILLUS ALCALOPHILUS	PHOSPHOHYDROXYTHREONINE AMINOTRANSFERASE, PSAT
2	C, E (A, B)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	D, F (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	G, H (A, B)	water	water		18.0	1106	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80487.1
Non-Polymers*	Number of molecules	4
	Total formula weight	565.2
All*	Total formula weight	81052.3

*Water molecules are not included.