2HQS

Crystal structure of TolB/Pal complex

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 (A, B, D, F)	Protein tolB	polymer	415	44468.3	4	UniProt (P0A855) Pfam (PF04052) Pfam (PF07676)	Escherichia coli
2	B, D, F, H (H, C, E, G)	Peptidoglycan-associated lipoprotein	polymer	118	13518.1	4	UniProt (P0A912) Pfam (PF00691)	Escherichia coli
3	BA, I, M, N, R... (G, A, H, B, C...)	ACETATE ION	non-polymer		59.0	7	Chemie (ACT)
4	J, O, S, W, X... (A, B, D, F)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
5	AA, K, L, P, Q... (F, A, B, D)	GLYCEROL	non-polymer		92.1	7	Chemie (GOL)
6	CA, DA, EA, FA, GA... (A, H, B, C, D...)	water	water		18.0	2812	Chemie (HOH)

Sequence modifications

A, B, D, F: 24 - 431 (UniProt: P0A855)

PDB	External Database	Details
Met 23	-	initiating methionine
His 432	-	expression tag
His 433	-	expression tag
His 434	-	expression tag
His 436	-	expression tag
His 437	-	expression tag
His 438	-	expression tag

H, C, E, G: 65 - 173 (UniProt: P0A912)

PDB	External Database	Details
Met 64	-	initiating methionine
Leu 174	-	cloning artifact
Glu 175	-	cloning artifact
His 176	-	expression tag
His 177	-	expression tag
His 178	-	expression tag
His 179	-	expression tag
His 180	-	expression tag
His 181	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	231945.7
Non-Polymers*	Number of molecules	20
	Total formula weight	1634.3
All*	Total formula weight	233580.1

*Water molecules are not included.