1RBJ

RIBONUCLEASE B COMPLEX WITH D(TETRA-(DEOXY-ADENYLATE))

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	DNA (5'-D(*AP*AP*AP*A)-3')	polymer	4	1207.9	1
2	A	PROTEIN (RIBONUCLEASE B (E.C.3.1.27.5))	polymer	124	13708.3	1	UniProt (P61823) Pfam (PF00074) In PDB	Bos taurus (cattle)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	14916.2
All*	Total formula weight	14916.2

*Water molecules are not included.