1VDE

PI-SCEI, A HOMING ENDONUCLEASE WITH PROTEIN SPLICING ACTIVITY

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	PI-SCEI	polymer	454	51003.9	2	UniProt (P17255) Pfam (PF05203) Pfam (PF05204)	Saccharomyces cerevisiae (baker's yeast)
2	C, D (A, B)	water	water		18.0	347	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	102007.8
All*	Total formula weight	102007.8

*Water molecules are not included.