1JBR

Crystal Structure of the Ribotoxin Restrictocin and a 31-mer SRD RNA Inhibitor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (C)	5'-R(*GP*CP*GP*CP*UP*CP*CP*UP*CP*AP*GP*UP*AP*CP*GP*AP*GP*(A23))-3'	polymer	18	5809.4	1
2	B (F)	5'-R(*GP*GP*AP*AP*CP*CP*GP*GP*AP*GP*CP*GP*C)-3'	polymer	13	4234.6	1
3	C (D)	31-mer SRD RNA analog	polymer	31	10027.1	1
4	D, E (A, B)	Restrictocin	polymer	149	16889.9	2	UniProt (P67876) Pfam (PF00545)	Aspergillus restrictus	ribonuclease mitogillin
5	F, G, H, I, J (C, F, D)	POTASSIUM ION	non-polymer		39.1	5	Chemie (K)
6	K, L, M, N, O (C, F, D, A, B)	water	water		18.0	168	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	53850.9
Non-Polymers*	Number of molecules	5
	Total formula weight	195.5
All*	Total formula weight	54046.4

*Water molecules are not included.