4XBV

R2-like ligand-binding oxidase with anaerobically reconstituted diiron cofactor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Ribonuleotide reductase small subunit	polymer	316	36962.8	2	UniProt (Q5KW80) Pfam (PF00268)	Geobacillus kaustophilus (strain HTA426)	R2-LIKE LIGAND-BINDING OXIDASE
2	C, D, E, G, H... (A, B)	FE (II) ION	non-polymer		55.8	6	Chemie (FE2)
3	F, J (A, B)	PALMITIC ACID	non-polymer		256.4	2	Chemie (PLM)
4	K, L (A, B)	water	water		18.0	218	Chemie (HOH)

Sequence modifications

A, B: 1 - 302 (UniProt: Q5KW80)

PDB	External Database	Details
Met -13	-	initiating methionine
Ala -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
Val -5	-	expression tag
Asp -4	-	expression tag
Asp -3	-	expression tag
Asp -2	-	expression tag
Asp -1	-	expression tag
Lys 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	73925.6
Non-Polymers*	Number of molecules	8
	Total formula weight	847.9
All*	Total formula weight	74773.5

*Water molecules are not included.