4N0W

X-ray crystal structure of a serine hydroxymethyltransferase from Burkholderia cenocepacia with covalently attached pyridoxal phosphate

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)	Serine hydroxymethyltransferase	polymer	424	46070.3	4	UniProt (B4ECY9) Pfam (PF00464)	Burkholderia cenocepacia	SHMT, Serine methylase
2	E, G, I, K (A, B, C, D)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	4	Chemie (PLP)
3	F, H, J, L (A, B, C, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	M, N, O, P (A, B, C, D)	water	water		18.0	1494	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 415 (UniProt: B4ECY9)

PDB	External Database	Details
Met -8	-	expression tag
Ala -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	184281.2
Non-Polymers*	Number of molecules	8
	Total formula weight	1372.8
All*	Total formula weight	185654.0

*Water molecules are not included.