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Your query returned 5 entries. Printable version
EC | 1.14.14.46 | ||||||||
Accepted name: | pimeloyl-[acyl-carrier protein] synthase | ||||||||
Reaction: | a long-chain acyl-[acyl-carrier protein] + 2 reduced flavodoxin + 3 O2 = pimeloyl-[acyl-carrier protein] + an n-alkanal + 2 oxidized flavodoxin + 3 H2O (overall reaction) (1a) a long-chain acyl-[acyl-carrier protein] + reduced flavodoxin + O2 = a (7S)-7-hydroxy-long-chain-acyl-[acyl-carrier protein] + oxidized flavodoxin + H2O (1b) a (7S)-7-hydroxy-long-chain-acyl-[acyl-carrier protein] + reduced flavodoxin + O2 = a (7R,8R)-7,8-dihydroxy-long-chain-acyl-[acyl-carrier protein] + oxidized flavodoxin + H2O (1c) a (7R,8R)-7,8-dihydroxy-long-chain-acyl-[acyl-carrier protein] + reduced flavodoxin + O2 = a 7-oxoheptanoyl-[acyl-carrier protein] + an n-alkanal + oxidized flavodoxin + 2 H2O (1d) a 7-oxoheptanoyl-[acyl-carrier protein] + oxidized flavodoxin + H2O = a pimeloyl-[acyl-carrier protein] + reduced flavodoxin + H+ |
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Glossary: | a long-chain acyl-[acyl-carrier protein] = an acyl-[acyl-carrier protein] thioester where the acyl chain contains 13 to 22 carbon atoms. palmitoyl-[acyl-carrier protein] = hexadecanoyl-[acyl-carrier protein] pimeloyl-[acyl-carrier protein] = 6-carboxyhexanoyl-[acyl-carrier protein] |
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Other name(s): | bioI (gene name); P450BioI; CYP107H1 | ||||||||
Systematic name: | acyl-[acyl-carrier protein],reduced-flavodoxin:oxygen oxidoreductase (pimeloyl-[acyl-carrier protein]-forming) | ||||||||
Comments: | A cytochrome P-450 (heme-thiolate) protein. The enzyme catalyses an oxidative C-C bond cleavage of long-chain acyl-[acyl-carrier protein]s of various lengths to generate pimeloyl-[acyl-carrier protein], an intermediate in the biosynthesis of biotin. The preferred substrate of the enzyme from the bacterium Bacillus subtilis is palmitoyl-[acyl-carrier protein] which then gives heptanal as the alkanal. The mechanism is similar to EC 1.14.15.6, cholesterol monooxygenase (side-chain-cleaving), followed by a hydroxylation step, which may occur spontaneously [2]. | ||||||||
Links to other databases: | BRENDA, EXPASY, KEGG, MetaCyc, PDB | ||||||||
References: |
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EC | 1.14.15.12 | ||||||||
Transferred entry: | pimeloyl-[acyl-carrier protein] synthase. Now EC 1.14.14.46, pimeloyl-[acyl-carrier protein] synthase | ||||||||
EC | 1.14.19.11 | ||||||||
Accepted name: | acyl-[acyl-carrier-protein] 4-desaturase | ||||||||
Reaction: | palmitoyl-[acyl-carrier protein] + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = (4Z)-hexadec-4-enoyl-[acyl-carrier protein] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O | ||||||||
Other name(s): | Δ4-palmitoyl-[acyl carrier protein] desaturase | ||||||||
Systematic name: | palmitoyl-[acyl-carrier protein],reduced acceptor:oxygen oxidoreductase (4,5 cis-dehydrogenating) | ||||||||
Comments: | The enzymes from the plants Coriandrum sativum (coriander) and Hedera helix (English ivy) are involved in biosynthesis of petroselinate [(6Z)-octadec-6-enoate], which is formed by elongation of (4Z)-hexadec-4-enoate. The ivy enzyme can also act on oleoyl-[acyl-carrier protein] and palmitoleoyl-[acyl-carrier protein], generating the corresponding 4,9-diene. | ||||||||
Links to other databases: | BRENDA, EXPASY, KEGG, MetaCyc | ||||||||
References: |
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EC | 1.14.19.26 | ||||||||
Accepted name: | acyl-[acyl-carrier-protein] 6-desaturase | ||||||||
Reaction: | palmitoyl-[acyl-carrier protein] + 2 reduced ferredoxin [iron-sulfur] cluster + O2 + 2 H+ = (6Z)-hexadec-6-enoyl-[acyl-carrier protein] + 2 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O | ||||||||
Glossary: | (6Z)-hexadec-6-enoyl-[acyl-carrier protein] = Δ6-hexadecenoyl-[acyl-carrier protein] = sapienoyl-[acyl-carrier-protein] an [acyl-carrier protein] = ACP = [acp] |
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Other name(s): | DELTA6 palmitoyl-ACP desaturase; DELTA6 16:0-ACP desaturase | ||||||||
Systematic name: | palmitoyl-[acyl-carrier protein],reduced ferredoxin:oxygen oxidoreductase (6,7 cis-dehydrogenating) | ||||||||
Comments: | The enzyme, characterized from the endosperm of the plant Thunbergia alata (black-eyed Susan vine), introduces a cis double bond at carbon 6 of several saturated acyl-[acp]s. It is most active with palmitoyl-[acp] (16:0), but can also act on myristoyl-[acp] (14:0) and stearoyl-[acp] (18:0). The position of the double bond is determined by its distance from the carboxyl end of the fatty acid. | ||||||||
Links to other databases: | BRENDA, EXPASY, KEGG, MetaCyc, PDB | ||||||||
References: |
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EC | 4.2.1.61 | ||||||||
Deleted entry: | 3-hydroxypalmitoyl-[acyl-carrier-protein] dehydratase. The reaction described is covered by EC 4.2.1.59. | ||||||||