1XPR

Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB)

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, E... (G, M, H, J, K...)	5'-R(*CP*UP*CP*UP*CP*UP*CP*U)-3'	polymer	8	2400.4	6
2	G, H, I, J, K... (A, B, C, D, E...)	Rho transcription termination factor	polymer	419	47070.2	6	UniProt (P22869) Pfam (PF07498) Pfam (PF07497) Pfam (PF00006) UniProt (by SIFTS) (P0AG30)	Escherichia coli
3	AA, M, O, R, U... (F, A, B, C, D...)	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
4	BA, N, P, S, V... (F, A, B, C, D...)	PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER	non-polymer		523.2	6	Chemie (AGS)
5	CA, Q, T, W, Z (F, B, C, D, E)	5A-FORMYLBICYCLOMYCIN	non-polymer		330.3	5	Chemie (FB)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	296823.6
Non-Polymers*	Number of molecules	17
	Total formula weight	4936.8
All*	Total formula weight	301760.4

*Water molecules are not included.