3QDR

Structural characterization of the interaction of colicin A, colicin N, and TolB with the TolAIII translocon

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Protein tolA	polymer	127	13140.8	1	UniProt (P19934) Pfam (PF06519)	Escherichia coli
2	B (B)	Colicin-A	polymer	63	6803.6	1	UniProt (P04480) Pfam (PF22348)	Citrobacter freundii
3	C (A)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
4	D, E (A, B)	water	water		18.0	26	Chemie (HOH)

Sequence modifications

A: 302 - 421 (UniProt: P19934)

PDB	External Database	Details
His 295	-	expression tag
His 296	-	expression tag
His 297	-	expression tag
His 298	-	expression tag
His 299	-	expression tag
His 300	-	expression tag
Met 301	-	expression tag

B: 53 - 107 (UniProt: P04480)

PDB	External Database	Details
Gly 51	-	expression tag
Ser 52	-	expression tag
His 108	-	expression tag
His 109	-	expression tag
His 110	-	expression tag
His 111	-	expression tag
His 112	-	expression tag
His 113	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	19944.4
Non-Polymers*	Number of molecules	1
	Total formula weight	122.1
All*	Total formula weight	20066.5

*Water molecules are not included.