4K1U

Crystal structure of delta5-3-ketosteroid isomerase containing Y16F and Y32F mutations

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)	Steroid Delta-isomerase	polymer	131	14516.5	2	UniProt (P07445)	Pseudomonas putida	Delta(5)-3-ketosteroid isomerase
2	C, D (A, B)	water	water		18.0	94	Chemie (HOH)

Sequence modifications

A, B: 1 - 131 (UniProt: P07445)

PDB	External Database	Details
Phe 16	Tyr 16	engineered mutation
Phe 32	Tyr 32	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29033.0
All*	Total formula weight	29033.0

*Water molecules are not included.