6EBO

Crystal Structure of the Class Ie Ribonucleotide Reductase Beta Subunit from Aerococcus urinae in Unactivated Form

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 (A, B, C, D)	Ribonucleoside-diphosphate reductase, beta subunit	polymer	355	40666.4	4	UniProt (F2I8X9)	Aerococcus urinae (strain ACS-120-V-Col10a)
2	E, F, G, J, K... (A, B, C, D)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
3	H, I, L, M (B, C)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
4	O, P, Q, R (A, B, C, D)	water	water		18.0	720	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 337 (UniProt: F2I8X9)

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
Ser -6	-	expression tag
Gly -5	-	expression tag
Leu -4	-	expression tag
Val -3	-	expression tag
Pro -2	-	expression tag
Arg -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	162665.5
Non-Polymers*	Number of molecules	10
	Total formula weight	608.8
All*	Total formula weight	163274.4

*Water molecules are not included.