4EGY

Crystal Structure of AraR(DBD) in complex with operator ORA1

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)	Arabinose metabolism transcriptional repressor	polymer	88	9931.4	2	UniProt (P96711) Pfam (PF00392)	Bacillus subtilis
2	C (T)	5'-D(*TP*AP*AP*TP*AP*TP*TP*TP*GP*TP*AP*CP*GP*AP*AP*CP*AP*AP*TP*TP*T)-3'	polymer	21	6435.2	1
3	D (U)	5'-D(*AP*AP*AP*AP*TP*TP*GP*TP*TP*CP*GP*TP*AP*CP*AP*AP*AP*TP*AP*TP*T)-3'	polymer	21	6444.2	1
4	E, F, G (A, T, U)	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
5	H (U)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
6	I, J, K, L (A, B, T, U)	water	water		18.0	101	Chemie (HOH)

Sequence modifications

A, B: 1 - 68 (UniProt: P96711)

PDB	External Database	Details
Met -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
Leu -12	-	expression tag
Glu -11	-	expression tag
Val -10	-	expression tag
Leu -9	-	expression tag
Phe -8	-	expression tag
Gln -7	-	expression tag
Gly -6	-	expression tag
Pro -5	-	expression tag
Leu -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
Glu -1	-	expression tag
Phe 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	32742.1
Non-Polymers*	Number of molecules	4
	Total formula weight	217.2
All*	Total formula weight	32959.3

*Water molecules are not included.