6ZJK

Ribonucleotide reductase R2 subunit from Clostridium botulinum

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 (C, A, D, B)	Ribonucleoside-diphosphate reductase subunit beta	polymer	364	43246.6	4	UniProt (B1KYY8)	Clostridium botulinum (strain Loch Maree / Type A3)
2	E, F, I, N (C, A, B)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
3	G, H, J, K, L... (C, A, D, B)	FE (III) ION	non-polymer		55.8	8	Chemie (FE)
4	Q, R, S, T (C, A, D, B)	water	water		18.0	193	Chemie (HOH)

Sequence modifications

C, A, D, B: 1 - 342 (UniProt: B1KYY8)

PDB	External Database	Details
Met -21	-	initiating methionine
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
Ser -14	-	expression tag
Ser -13	-	expression tag
Gly -12	-	expression tag
Val -11	-	expression tag
Asp -10	-	expression tag
Leu -9	-	expression tag
Gly -8	-	expression tag
Thr -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	172986.3
Non-Polymers*	Number of molecules	12
	Total formula weight	815.1
All*	Total formula weight	173801.4

*Water molecules are not included.