4ZST

Crystal structure of Brevundimonas diminuta phosphotriesterase mutant L7eP-3a

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Parathion hydrolase	polymer	337	36536.7	2	UniProt (P0A434) Pfam (PF02126) In PDB	Brevundimonas diminuta	Phosphotriesterase,PTE
2	A, B	COBALT (II) ION	non-polymer		58.9	4	Chemie (CO)
3		water	water		18.0	383	Chemie (HOH)

Sequence modifications

A, B: 30 - 365 (UniProt: P0A434)

PDB	External Database	Details
Met 29	-	initiating methionine
Cys 106	Ile 106	engineered mutation
Val 132	Phe 132	engineered mutation
Gln 254	His 254	engineered mutation
Tyr 257	His 257	engineered mutation
Val 270	Ala 270	engineered mutation
Met 272	Leu 272	engineered mutation
Asn 274	Ile 274	engineered mutation
Leu 308	Ser 308	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	73073.3
Non-Polymers*	Number of molecules	4
	Total formula weight	235.7
All*	Total formula weight	73309.1

*Water molecules are not included.