1PAR

DNA RECOGNITION BY BETA-SHEETS IN THE ARC REPRESSOR-OPERATOR CRYSTAL STRUCTURE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (E)	DNA (5'-D(*TP*AP*TP*AP*GP*TP*AP*GP*AP*GP*TP*GP*CP*TP*TP*CP*T P*AP*TP*CP*AP*T)- 3')	polymer	22	6756.4	1
2	B (F)	DNA (5'-D(*AP*AP*TP*GP*AP*TP*AP*GP*AP*AP*GP*CP*AP*CP*TP*CP*T P*AP*CP*TP*AP*T)- 3')	polymer	22	6743.4	1
3	C, D, E, F (A, B, C, D)	PROTEIN (ARC REPRESSOR)	polymer	53	6238.3	4	UniProt (P03050) Pfam (PF03869)	Enterobacteria phage P22
4	G, H, I, J, K... (E, F, A, B, C...)	water	water		18.0	45	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	38452.9
All*	Total formula weight	38452.9

*Water molecules are not included.