6GP2

Ribonucleotide Reductase class Ie R2 from Mesoplasma florum, DOPA-active 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	Ribonucleoside-diphosphate reductase beta chain	polymer	345	39844.6	2	UniProt (Q6F0T5) Pfam (PF00268) In PDB	Mesoplasma florum (strain ATCC 33453 / NBRC 100688 / NCTC 11704 / L1) (Acholeplasma florum)
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	522	Chemie (HOH)

Sequence modifications

A, B: 1 - 340 (UniProt: Q6F0T5)

PDB	External Database	Details
Gly -5	-	expression tag
His -4	-	expression tag
Met -3	-	expression tag
Ala -2	-	expression tag
Ser -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	79689.2
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	79769.4

*Water molecules are not included.