4XD3

Phosphotriesterase variant E3

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, G)	Phosphotriesterase variant PTE-E1	polymer	333	36141.3	2	UniProt (A0A060GPQ5) Pfam (PF02126)	Brevundimonas diminuta
2	C, D, I, J (A, G)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	E, H (A, G)	CACODYLATE ION	non-polymer		137.0	2	Chemie (CAC)
4	F, G, K, L (A, G)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	4	Chemie (MPD)
5	M, N (A, G)	water	water		18.0	672	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72282.5
Non-Polymers*	Number of molecules	10
	Total formula weight	1008.3
All*	Total formula weight	73290.8

*Water molecules are not included.