2C4R

Catalytic domain of E. coli RNase E

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (L)	RIBONUCLEASE E	polymer	517	58215.1	1	UniProt (P21513) Pfam (PF00575) Pfam (PF10150) Pfam (PF20833)	ESCHERICHIA COLI	RNASE E
2	B (R)	SSRNA MOLECULE: 5'-R(*AP*CP*AP*GP*UP*AP*UP*UP*UP*GP)-3'	polymer	10	3162.9	1		ESCHERICHIA COLI
3	C, D (L)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	E (L)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
5	F, G (L, R)	water	water		18.0	6	Chemie (HOH)

Sequence modifications

L: -6 - 0 (PDB: 2C4R)
L: 1 - 510 (UniProt: P21513)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	61378.0
Non-Polymers*	Number of molecules	3
	Total formula weight	114.0
All*	Total formula weight	61492.1

*Water molecules are not included.