4U2G

Crystal structure of dienelactone hydrolase B-4 variant (Q35H, F38L, Y64H, Q76L, Q110L, C123S, Y137C, A141V, Y145C, N154D, E199G, S208G, G211D, S233G and 237Q) at 1.80 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Carboxymethylenebutenolidase	polymer	237	25293.7	1	UniProt (P0A115) Pfam (PF01738)	Pseudomonas knackmussii	Dienelactone hydrolase,DLH
2	B, C, D (A)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
3	E (A)	water	water		18.0	124	Chemie (HOH)

Sequence modifications

A: 1 - 236 (UniProt: P0A115)

PDB	External Database	Details
His 35	Gln 35	engineered mutation
Leu 38	Phe 38	engineered mutation
His 64	Tyr 64	engineered mutation
Leu 76	Gln 76	engineered mutation
Ala 79	Arg 79	conflict
Leu 110	Gln 110	engineered mutation
Ser 123	Cys 123	engineered mutation
Cys 137	Tyr 137	engineered mutation
Val 141	Ala 141	engineered mutation
Cys 145	Tyr 145	engineered mutation
Asp 154	Lys 154	engineered mutation
Gly 199	Glu 199	engineered mutation
Gly 208	Ser 208	engineered mutation
Asp 211	Gly 211	engineered mutation
Thr 224	Arg 224	conflict
Gly 233	Ser 233	engineered mutation
Gln 237	-	insertion

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	25293.7
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	25581.9

*Water molecules are not included.