3EX8

Complex structure of bacillus subtilis RibG reduction mechanism in riboflavin biosynthesis

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	Riboflavin biosynthesis protein ribD	polymer	373	40759.8	4	UniProt (P17618) Pfam (PF00383) Pfam (PF01872) In PDB	Bacillus subtilis	Diaminohydroxyphosphoribosylaminopyrimidine deaminase, DRAP deaminase, Riboflavin-specific deaminase, 5-amino-6-(5-phosphoribosylamino)uracil reductase, HTP reductase
2	A, B, C, D	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	C	[(2R,3S,4R,5E)-5-[(5-amino-2,6-dioxo-3H-pyrimidin-4-yl)imino]-2,3,4-trihydroxy-pentyl] dihydrogen phosphate	non-polymer		354.2	1	Chemie (AIF)
4		water	water		18.0	191	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 361 (UniProt: P17618)

PDB	External Database	Details
Met -11	-	expression tag
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	163039.0
Non-Polymers*	Number of molecules	5
	Total formula weight	615.8
All*	Total formula weight	163654.9

*Water molecules are not included.