ribBA
K14652 ribBA; 3,4-dihydroxy 2-butanone 4-phosphate synthase / GTP cyclohydrolase II [EC:4.1.99.12 3.5.4.25]
Protein Function: 3,4-dihydroxy 2-butanone 4-phosphate synthase / GTP cyclohydrolase II [EC:4.1.99.12 3.5.4.25]
DBLinks
Proteins
| protein id | name | function | taxonomy source |
|---|---|---|---|
| A0AAD9GSJ6 | A0AAD9GSJ6_9STRA | 3,4-dihydroxy-2-butanone-4-phosphate synthase | Phytophthora citrophthora |
| A0AAD9GT75 | A0AAD9GT75_9STRA | 3,4-dihydroxy-2-butanone-4-phosphate synthase | Phytophthora citrophthora |
| A9P79_23355 | A9P79_23355 | 3,4-dihydroxy-2-butanone-4-phosphate synthase | Cupriavidus taiwanensis |
| AB57_3838 | AB57_3838 | 3,4-dihydroxy-2-butanone-4-phosphate synthase | Acinetobacter baumannii AB0057 |
| ABW22_00570 | ABW22_00570 | 3,4-dihydroxy-2-butanone 4-phosphate synthase | Thiobacillus denitrificans |
| AHA_3331 | AHA_3331 | riboflavin biosynthesis protein RibA | Aeromonas hydrophila subsp. hydrophila ATCC 7966 |
| Ajs_2766 | Ajs_2766 | 3,4-dihydroxy-2-butanone 4-phosphate synthase | Acidovorax sp. JS42 |
| AS300_04640 | AS300_04640 | 3,4-dihydroxy-2-butanone 4-phosphate synthase | Aeromonas salmonicida subsp. salmonicida |
| ASJ31_14895 | ASJ31_14895 | 3,4-dihydroxy-2-butanone 4-phosphate synthase | Aeromonas salmonicida subsp. salmonicida |
| ASJ32_04405 | ASJ32_04405 | 3,4-dihydroxy-2-butanone 4-phosphate synthase | Aeromonas salmonicida subsp. salmonicida |
Reactions
| reaction id | name | note |
|---|---|---|
| KEGG:R00425 | GTP 7,8-8,9-dihydrolase (diphosphate-forming) | multi-step reaction |
| BioCyc:GTP-CYCLOHYDRO-II-RXN | 4 WATER + GTP --> 3 PROTON + 2 Pi + DIAMINO-OH-PHOSPHORIBOSYLAMINO-PYR + FORMATE | The first reaction in the synthesis of riboflavin. |
| Rhea:RHEA:23705 | GTP + 4 H2O => 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + formate + 2 phosphate + 3 H+ | |
| Rhea:RHEA:23706 | 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + formate + 2 phosphate + 3 H+ => GTP + 4 H2O | |
| Rhea:RHEA:23707 | GTP + 4 H2O <=> 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + formate + 2 phosphate + 3 H+ | |
| KEGG:R07281 | D-ribulose 5-phosphate formate-lyase (L-3,4-dihydroxybutan-2-one 4-phosphate-forming) | D-Ribulose 5-phosphate <=> L-3,4-Dihydroxybutan-2-one 4-phosphate + Formate |
| BioCyc:DIOHBUTANONEPSYN-RXN | RIBULOSE-5P --> PROTON + DIHYDROXY-BUTANONE-P + FORMATE | A reaction involved in the synthesis of riboflavin:generation of an unusual 4 carbon carbohydrate. |
| Rhea:RHEA:18458 | D-ribulose 5-phosphate => (2S)-2-hydroxy-3-oxobutyl phosphate + formate + H+ | |
| Rhea:RHEA:18459 | (2S)-2-hydroxy-3-oxobutyl phosphate + formate + H+ => D-ribulose 5-phosphate | |
| Rhea:RHEA:18460 | D-ribulose 5-phosphate <=> (2S)-2-hydroxy-3-oxobutyl phosphate + formate + H+ |