4G3M

Complex Structure of Bacillus subtilis RibG: The Deamination Process 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 (A, B, C, D)	Riboflavin biosynthesis protein RibD	polymer	373	40759.8	4	UniProt (P17618) Pfam (PF00383) Pfam (PF01872)	Bacillus subtilis	Diaminohydroxyphosphoribosylaminopyrimidine deaminase, DRAP deaminase, Riboflavin-specific deaminase, 5-amino-6-(5-phosphoribosylamino)uracil reductase, HTP reductase
2	E, G, J, M (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	F, I, L, O (A, B, C, D)	[(2R,3S,4S,5E)-5-[[5-azanyl-2,4-bis(oxidanylidene)-1H-pyrimidin-6-yl]imino]-2,3,4-tris(oxidanyl)pentyl] dihydrogen phosphate	non-polymer		354.2	4	Chemie (AI9)
4	H, K, N (B, C, D)	N-(5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-5-O-phosphono-beta-D-ribofuranosylamine	non-polymer		354.2	3	Chemie (AOF)
5	P, Q, R, S (A, B, C, D)	water	water		18.0	345	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	11
	Total formula weight	2741.1
All*	Total formula weight	165780.1

*Water molecules are not included.