7PZA

Structure of the Clr-cAMP-DNA 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 (A, B)	Putative cAMP-binding protein-catabolite gene activator	polymer	244	27165.0	2	UniProt (Q92SD2) Pfam (PF00027) Pfam (PF13545)	Sinorhizobium meliloti 1021
2	C, E (C, E)	DNA (5'-D(*CP*TP*AP*GP*GP*TP*AP*AP*CP*AP*TP*TP*AP*CP*TP*CP*GP)-3')	polymer	18	5475.6	2		Sinorhizobium meliloti
3	D, F (D, F)	DNA (5'-D(*GP*CP*GP*AP*GP*TP*AP*AP*TP*GP*TP*TP*AP*C)-3')	polymer	14	4319.8	2		Sinorhizobium meliloti
4	G, I (A, B)	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE	non-polymer		329.2	2	Chemie (CMP)
5	H, J (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
6	K, L, M (A, B, F)	water	water		18.0	5	Chemie (HOH)

Sequence modifications

A, B: 1 - 234 (UniProt: Q92SD2)

PDB	External Database	Details
Leu 235	-	expression tag
Glu 236	-	expression tag
His 237	-	expression tag
His 238	-	expression tag
His 239	-	expression tag
His 240	-	expression tag
His 241	-	expression tag
His 242	-	expression tag
His 243	-	expression tag
His 244	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	73920.9
Non-Polymers*	Number of molecules	4
	Total formula weight	707.0
All*	Total formula weight	74627.9

*Water molecules are not included.