6XDK

Crystal structure of Phosphoserine aminotransferase (SerC) from Stenotrophomonas maltophilia K279a

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	Phosphoserine aminotransferase	polymer	369	40110.3	4	UniProt (B2FKF0) Pfam (PF00266) In PDB	Stenotrophomonas maltophilia (strain K279a)	Phosphohydroxythreonine aminotransferase,PSAT
2	A, D	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	A, B, C	1,2-ETHANEDIOL	non-polymer		62.1	5	Chemie (EDO)
4	B, C	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
5	B, C	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
6		water	water		18.0	1938	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 361 (UniProt: B2FKF0)

PDB	External Database	Details
Met -7	-	initiating methionine
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	160441.2
Non-Polymers*	Number of molecules	11
	Total formula weight	955.7
All*	Total formula weight	161396.8

*Water molecules are not included.