1TQY

The Actinorhodin Ketosynthase/Chain Length Factor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Actinorhodin polyketide putative beta-ketoacyl synthase 1	polymer	424	45113.3	4	UniProt (Q02059) Pfam (PF00109) Pfam (PF02801) In PDB	Streptomyces coelicolor A3(2)	actI ORF1
2	B, D, F, H	Actinorhodin polyketide putative beta-ketoacyl synthase 2	polymer	415	43590.6	4	UniProt (Q02062) Pfam (PF00109) Pfam (PF02801) In PDB	Streptomyces coelicolor A3(2)	actI ORF2
3	A, C, E, G	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	A, C, E, G	ACETYL GROUP	non-polymer		44.1	4	Chemie (ACE)
5	B, D, F, H	SODIUM ION	non-polymer		23.0	4	Chemie (NA)
6		water	water		18.0	1075	Chemie (HOH)

Sequence modifications

A, C, E, G: 2 - 424 (UniProt: Q02059)

PDB	External Database	Details
Met 1	-	initiating methionine

B, D, F, H: 2 - 407 (UniProt: Q02062)

PDB	External Database	Details
Met -7	-	initiating methionine
Asp -6	-	expression tag
Tyr -5	-	expression tag
Lys -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Asp -1	-	expression tag
Asp 0	-	expression tag
Lys 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	354815.6
Non-Polymers*	Number of molecules	12
	Total formula weight	365.4
All*	Total formula weight	355181.0

*Water molecules are not included.