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Uncharacterized
transporter
yeeO
GTP
cyclohydrolase 1
GTP
cyclohydrolase 1
Riboflavin
biosynthesis
protein ribD
Riboflavin
biosynthesis
protein ribD
5-amino-6-(5-
phospho-D-
ribitylamino)uracil
phosphatase
Riboflavin
synthase alpha
chain
riboflavin
synthase
Riboflavin
biosynthesis
protein ribF
Riboflavin
biosynthesis
protein ribF
Riboflavin
biosynthesis
protein ribD
riboflavin
synthase
3,4-dihydroxy-
2-butanone
4-phosphate
synthase
Guanosine
triphosphate
FAD
FAD
H
2
O
Formic acid
PP
i
H
+
2,5-Diamino-6-
(5'-
phosphoribosylamino)-
4-pyrimidineone
H
2
O
2,5-Diamino-6-
hydroxy-4-(5-
phosphoribosylamino)pyrimidine
H
+
Formic acid
PP
i
H
2
O
H
+
Ammonium
5-Amino-6-(5'-
phosphoribosylamino)uracil
H
+
NADPH
NADP
5-Amino-6-(5'-
phosphoribitylamino)uracil
H
2
O
P
i
5-Amino-6-
ribitylamino
uracil
1-Deoxy-L-
glycero-
tetrulose
4-phosphate
H
2
O
P
i
H
+
6,7-Dimethyl-8-
(1-D-
ribityl)lumazine
H
+
Riboflavin
5-Amino-6-
ribitylamino
uracil
ATP
ADP
H
+
Flavin
Mononucleotide
H
+
ATP
PP
i
NADPH
H
+
Riboflavin
reduced
NADP
H
2
O
H
+
Ammonium
3,4-Dihydroxy-
2-butanone-4-P
H
2
O
P
i
D-Ribulose
5-phosphate
Formic acid
H
+
Magnesium
Magnesium
Endocytosis
NAD(P)H-flavin
reductase
Sulfite reductase
[NADPH]
flavoprotein
alpha-component
Sulfite reductase
[NADPH]
hemoprotein
beta-component
4Fe-4S
FAD
Flavin
Mononucleotide
Siroheme
Cytoplasm
Inner Membrane
Periplasmic Space
Gram-Negative Bacteria
Outer Membrane
yeeO
folE
folE
ribD
ribD
yigB
ribE
ribC
ribF
ribF
ribD
ribC
ribB
Guanosine
triphosphate
FAD
FAD
Water
Formic acid
Pyrophosphate
Hydrogen Ion
2,5-Diamino-6-
(5'-
phosphoribosylamino)-
4-pyrimidineone
Water
2,5-Diamino-6-
hydroxy-4-(5-
phosphoribosylamino)pyrimidine
Hydrogen Ion
Formic acid
Pyrophosphate
Water
Hydrogen Ion
Ammonium
5-Amino-6-(5'-
phosphoribosylamino)uracil
Hydrogen Ion
NADPH
NADP
5-Amino-6-(5'-
phosphoribitylamino)uracil
Water
Phosphate
5-Amino-6-
ribitylamino
uracil
1-Deoxy-L-
glycero-
tetrulose
4-phosphate
Water
Phosphate
Hydrogen Ion
6,7-Dimethyl-8-
(1-D-
ribityl)lumazine
Hydrogen Ion
Riboflavin
5-Amino-6-
ribitylamino
uracil
Adenosine
triphosphate
Adenosine
diphosphate
Hydrogen Ion
Flavin
Mononucleotide
Hydrogen Ion
Adenosine
triphosphate
Pyrophosphate
NADPH
Hydrogen Ion
Riboflavin
reduced
NADP
Water
Hydrogen Ion
Ammonium
3,4-Dihydroxy-
2-butanone-4-P
Water
Phosphate
D-Ribulose
5-phosphate
Formic acid
Hydrogen Ion
Endocytosis