5BXX

Crystal structure of the ectoine synthase from the cold-adapted marine bacterium Sphingopyxis alaskensis

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	L-ectoine synthase	polymer	146	16327.3	4	UniProt (Q1GNW6) Pfam (PF06339) In PDB	Sphingopyxis alaskensis RB2256	N-acetyldiaminobutyrate dehydratase
2		water	water		18.0	206	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 137 (UniProt: Q1GNW6)

PDB	External Database	Details
Asn 138	-	expression tag
Trp 139	-	expression tag
Ser 140	-	expression tag
His 141	-	expression tag
Pro 142	-	expression tag
Gln 143	-	expression tag
Phe 144	-	expression tag
Glu 145	-	expression tag
Lys 146	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	65309.4
All*	Total formula weight	65309.4

*Water molecules are not included.