2IVZ

Structure of TolB in complex with a peptide of the colicin E9 T- domain

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 (A, B, C, D)	PROTEIN TOLB	polymer	439	47196.6	4	UniProt (P0A855) Pfam (PF04052) Pfam (PF07676)	ESCHERICHIA COLI	TOLB
2	E, F, G, H (E, F, G, H)	COLICIN-E9	polymer	16	1607.6	4	UniProt (P09883)	ESCHERICHIA COLI	COLICIN-E9 A CHAIN, RIBONUCLEASE
3	I, J, K, L, M... (A, B, C, D)	CALCIUM ION	non-polymer		40.1	7	Chemie (CA)
4	P, Q, R, S, T... (A, B, C, D, E...)	water	water		18.0	1242	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 1 (PDB: 2IVZ)
A, B, C, D: 432 - 439 (PDB: 2IVZ)
A, B, C, D: 2 - 431 (UniProt: P0A855)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	195216.6
Non-Polymers*	Number of molecules	7
	Total formula weight	280.5
All*	Total formula weight	195497.1

*Water molecules are not included.