4KPO

Plant nucleoside hydrolase - ZmNRh3 enzyme

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)	Nucleoside N-ribohydrolase 3	polymer	330	35790.8	2	UniProt (B6T563) Pfam (PF01156)	Zea mays (maize)	Pyrimidine-specific ribonucleoside hydrolase rihB
2	C, D (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	E, F (A, B)	water	water		18.0	30	Chemie (HOH)

Sequence modifications

A, B: 2 - 315 (UniProt: B6T563)

PDB	External Database	Details
Met -14	-	expression tag
Gly -13	-	expression tag
Ser -12	-	expression tag
Ser -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
Ser -4	-	expression tag
Gln -3	-	expression tag
Asp -2	-	expression tag
Pro -1	-	expression tag
Asn 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71581.6
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	71661.8

*Water molecules are not included.