6ZK4

Plant nucleoside hydrolase - ZmNRh2b with a bound adenine

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, D	Pyrimidine-specific ribonucleoside hydrolase rihA	polymer	343	37122.3	4	UniProt (B6THD4) Pfam (PF01156) In PDB	Zea mays (Maize)
2	A, B, C, D	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	A, B, C, D	ADENINE	non-polymer		135.1	4	Chemie (ADE)
4	B	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
5	D	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
6		water	water		18.0	520	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 325 (UniProt: B6THD4)

PDB	External Database	Details
Met -17	-	initiating methionine
Gly -16	-	expression tag
Ser -15	-	expression tag
Ser -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
Ser -7	-	expression tag
Gln -6	-	expression tag
Asp -5	-	expression tag
Pro -4	-	expression tag
Asn -3	-	expression tag
Ser -2	-	expression tag
Ser -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	148489.3
Non-Polymers*	Number of molecules	11
	Total formula weight	975.1
All*	Total formula weight	149464.4

*Water molecules are not included.