1ZRC

4 Crystal structures of CAP-DNA with all base-pair substitutions at position 6, CAP-ICAP38 DNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (W, Y)	5'-D(*AP*TP*TP*TP*CP*GP*AP*AP*AP*AP*AP*TP*GP*TP*GP*AP*T)-3'	polymer	17	5249.4	2
2	B, D (X, Z)	5'-D(*CP*TP*AP*GP*AP*TP*CP*AP*CP*AP*TP*TP*TP*TP*TP*CP*GP*AP*AP*AP*T)-3'	polymer	21	6396.2	2
3	E, F (A, B)	Catabolite gene activator	polymer	209	23541.2	2	UniProt (P0ACJ8) Pfam (PF00027) Pfam (PF13545)	Escherichia coli	cAMP receptor protein, cAMP-regulatory protein
4	G, H (A, B)	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE	non-polymer		329.2	2	Chemie (CMP)
5	I, J, K, L (W, X, A, B)	water	water		18.0	39	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	70373.7
Non-Polymers*	Number of molecules	2
	Total formula weight	658.4
All*	Total formula weight	71032.1

*Water molecules are not included.