3JXD

Crystal structure of the P22 c2 repressor protein in complex with synthetic operator 9C in the presence of Rb+

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	5'-D(*CP*AP*TP*TP*TP*AP*AP*GP*AP*CP*GP*TP*CP*TP*TP*AP*AP*AP*TP*G)-3'	polymer	20	6132.0	2
2	C, D (L, R)	Repressor protein C2	polymer	67	7494.7	2	UniProt (P69202) Pfam (PF01381)	Enterobacteria phage P22 (Bacteriophage P22)
3	E, F (A)	RUBIDIUM ION	non-polymer		85.5	2	Chemie (RB)
4	G, H, I, J (A, B, L, R)	water	water		18.0	288	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	27253.4
Non-Polymers*	Number of molecules	2
	Total formula weight	170.9
All*	Total formula weight	27424.3

*Water molecules are not included.