5XGU

Escherichia coli. RNase R

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	Ribonuclease R	polymer	645	73336.3	2	UniProt (H4USN4)	Escherichia coli DEC6A	RNase R
2	C, D (B, A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	E, F (B, A)	water	water		18.0	1681	Chemie (HOH)

Sequence modifications

B, A: 1 - 639 (UniProt: H4USN4)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Val 45	Ala 131	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	146672.7
Non-Polymers*	Number of molecules	2
	Total formula weight	48.6
All*	Total formula weight	146721.3

*Water molecules are not included.