1XXB

C-TERMINAL DOMAIN OF ESCHERICHIA COLI ARGININE REPRESSOR/ L-ARGININE COMPLEX

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... (A, B, C, D, E...)	ARGININE REPRESSOR	polymer	78	8351.5	6	UniProt (P0A6D0) Pfam (PF02863)	Escherichia coli K12	ARGR
2	G, H, I, J, K... (A, C, E, F)	ARGININE	non-polymer		175.2	6	Chemie (ARG)		ARG
3	M, N, O, P, Q... (A, B, C, D, E...)	water	water		18.0	110	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	50108.8
Non-Polymers*	Number of molecules	6
	Total formula weight	1051.3
All*	Total formula weight	51160.1

*Water molecules are not included.