3ERE

Crystal structure of the arginine repressor protein from Mycobacterium tuberculosis in complex with the DNA operator

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (D)	Arginine repressor	polymer	170	17366.6	1	UniProt (P0A4Y8) Pfam (PF01316) Pfam (PF02863) UniProt (by SIFTS) (P9WPY9)	Mycobacterium tuberculosis
2	B (A)	5'-D(*DTP*DTP*DGP*DCP*DAP*DTP*DAP*DAP*DCP*DGP*DAP*DTP*DGP*DCP*DAP*DA)-3'	polymer	16	4906.2	1
3	C (B)	5'-D(*DTP*DTP*DGP*DCP*DAP*DTP*DCP*DGP*DTP*DTP*DAP*DTP*DGP*DCP*DAP*DA)-3'	polymer	16	4888.2	1
4	D, E, F (D)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
5	G, H, I (D, A, B)	water	water		18.0	93	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	27161.0
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	27449.2

*Water molecules are not included.