4N82

X-ray crystal structure of Streptococcus sanguinis NrdIox

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	Ribonucleotide reductase	polymer	178	20069.6	2	UniProt (A3CR20) Pfam (PF07972)	Streptococcus sanguinis
2	C, E (B, A)	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	2	Chemie (FMN)
3	D, F (B, A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	G, H (B, A)	water	water		18.0	204	Chemie (HOH)

Sequence modifications

B, A: 1 - 158 (UniProt: A3CR20)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	40139.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1104.8
All*	Total formula weight	41244.0

*Water molecules are not included.