4LA3

Crystal structure of dimethylsulphoniopropionate (DMSP) lyase DddQ Y131A in complex with DMSP

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)	Dimethylsulphoniopropionate (DMSP) lyase DddQ	polymer	198	21929.4	2	UniProt (D0CY60)	Silicibacter lacuscaerulensis
2	C, E (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, F (A, B)	3-(dimethyl-lambda~4~-sulfanyl)propanoic acid	non-polymer		136.2	2	Chemie (DQY)
4	G, H (A, B)	water	water		18.0	21	Chemie (HOH)

Sequence modifications

A, B: 1 - 192 (UniProt: D0CY60)

PDB	External Database	Details
Ala 131	Tyr 131	engineered mutation
His 193	-	expression tag
His 194	-	expression tag
His 195	-	expression tag
His 196	-	expression tag
His 197	-	expression tag
His 198	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43858.9
Non-Polymers*	Number of molecules	4
	Total formula weight	403.2
All*	Total formula weight	44262.1

*Water molecules are not included.