3MWQ

Crystal structure of ribonuclease A tandem enzymes and their interaction with the cytosolic ribonuclease inhibitor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Ribonuclease pancreatic, LINKER, Ribonuclease pancreatic	polymer	256	28145.4	1	UniProt (P61823) Pfam (PF00074)	Bos taurus	RNase 1, RNase A
2	B, C, D, E, F (A)	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
3	G, H (A)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
4	I (A)	water	water		18.0	274	Chemie (HOH)

Sequence modifications

A: 1 - 124 (UniProt: P61823)
A: 133 - 256 (UniProt: P61823)
A: 125 - 132 (PDB: 3MWQ)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28145.4
Non-Polymers*	Number of molecules	7
	Total formula weight	664.5
All*	Total formula weight	28810.0

*Water molecules are not included.