2PQI

Crystal structure of active ribosome inactivating protein from maize (b-32)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	Ribosome-inactivating protein 3	polymer	243	27305.6	3	UniProt (P25891) Pfam (PF00161) UniProt (by SIFTS) (P28522)	Zea mays	rRNA N-glycosidase, B-32 protein
2	D, E, F (A, B, C)	water	water		18.0	87	Chemie (HOH)

Sequence modifications

A, B, C: 22 - 162 (UniProt: P25891)

PDB	External Database	Details
Met 21	-	expression tag

A, B, C: 190 - 288 (UniProt: P25891)

PDB	External Database	Details
Leu 165	-	linker
Glu 166	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	81916.7
All*	Total formula weight	81916.7

*Water molecules are not included.