8XJZ

Cryo-EM structure of colibactin assembly line polyketide synthase ClbI KS-AT didomain crosslinked with its precursor module, ClbH

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)	Polyketide synthase	polymer	921	99125.7	2	UniProt (Q0P7J9) Pfam (PF00109) Pfam (PF02801) Pfam (PF16197) Pfam (PF00698)	Escherichia coli	Putative polyketide synthase
2	C (C)	Peptide synthetase	polymer	1634	180781.8	1	UniProt (Q0P7J8) Pfam (PF00501) Pfam (PF13193) Pfam (PF00668) Pfam (PF00550)	Escherichia coli	Putative non-ribosomal peptide synthase
3	D (D)	polypeptide from ClbH	polymer	26	2230.7	1		Escherichia coli

Sequence modifications

A, B: 1 - 895 (UniProt: Q0P7J9)

PDB	External Database	Details
Lys 896	-	expression tag
Leu 897	-	expression tag
Ser 898	-	expression tag
Ser 899	-	expression tag
Gly 900	-	expression tag
Leu 901	-	expression tag
Glu 902	-	expression tag
Val 903	-	expression tag
Leu 904	-	expression tag
Phe 905	-	expression tag
Gln 906	-	expression tag
Gly 907	-	expression tag
Pro 908	-	expression tag
Ser 909	-	expression tag
Ser 910	-	expression tag
Gly 911	-	expression tag
His 912	-	expression tag
His 913	-	expression tag
His 914	-	expression tag
His 915	-	expression tag
His 916	-	expression tag
His 917	-	expression tag
His 918	-	expression tag
His 919	-	expression tag
His 920	-	expression tag
His 921	-	expression tag

C: 1 - 1598 (UniProt: Q0P7J8)

PDB	External Database	Details
Met -35	-	initiating methionine
Gly -34	-	expression tag
Ser -33	-	expression tag
Ser -32	-	expression tag
His -31	-	expression tag
His -30	-	expression tag
His -29	-	expression tag
His -28	-	expression tag
His -27	-	expression tag
His -26	-	expression tag
Ser -25	-	expression tag
Ser -24	-	expression tag
Gly -23	-	expression tag
Leu -22	-	expression tag
Val -21	-	expression tag
Pro -20	-	expression tag
Arg -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
Met -15	-	expression tag
Ala -14	-	expression tag
Ser -13	-	expression tag
Met -12	-	expression tag
Thr -11	-	expression tag
Gly -10	-	expression tag
Gly -9	-	expression tag
Gln -8	-	expression tag
Gln -7	-	expression tag
Met -6	-	expression tag
Gly -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Glu -1	-	expression tag
Phe 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	381264.0
All*	Total formula weight	381264.0

*Water molecules are not included.