3QP9

The Structure of a C2-type Ketoreductase from a Modular Polyketide Synthase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Type I polyketide synthase PikAII	polymer	525	53504.6	4	UniProt (Q9ZGI4) Pfam (PF08659) In PDB	Streptomyces venezuelae
2		water	water		18.0	343	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 504 (UniProt: Q9ZGI4)

PDB	External Database	Details
Met -20	-	expression tag
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	214018.2
All*	Total formula weight	214018.2

*Water molecules are not included.