Isotuberculosinol synthase

Isotuberculosinol synthase (EC 3.1.7.9, Rv3378c) is an enzyme with systematic name tuberculosinyl diphosphate diphosphohydrolase (isotuberculosinol forming).^[1]^[2] This enzyme catalyses the following chemical reaction

tuberculosinyl diphosphate + H₂O

\rightleftharpoons

(13S)-isotuberculosinol + diphosphate

This enzyme is present in species of Mycobacterium that cause tuberculosis.

References

↑ Nakano, C., Ootsuka, T., Takayama, K., Mitsui, T., Sato, T. and Hoshino, T. (2011). "Characterization of the Rv3378c gene product, a new diterpene synthase for producing tuberculosinol and (13R,S)-isotuberculosinol (nosyberkol), from the Mycobacterium tuberculosis H37Rv genome". Biosci. Biotechnol. Biochem. 75 (1): 75–81. doi:10.1271/bbb.100570. PMID 21228491.
↑ Hoshino, T., Nakano, C., Ootsuka, T., Shinohara, Y. and Hara, T. (2011). "Substrate specificity of Rv3378c, an enzyme from Mycobacterium tuberculosis, and the inhibitory activity of the bicyclic diterpenoids against macrophage phagocytosis". Org. Biomol. Chem. 9 (7): 2156–2165. doi:10.1039/c0ob00884b. PMID 21290071.

External links

Isotuberculosinol synthase at the US National Library of Medicine Medical Subject Headings (MeSH)

Hydrolase: esterases (EC 3.1)

3.1.1: Carboxylic
ester hydrolases

Lipase

Phospholipase
- A1
- A2
- B

3.1.2: Thioesterase

3.1.3: Phosphatase

3.1.4: Phosphodiesterase

3.1.6: Sulfatase

Nuclease (includes
deoxyribonuclease and
ribonuclease)

3.1.11-16: Exonuclease

Exodeoxyribonuclease	RecBCD

Exoribonuclease	Oligonucleotidase

3.1.21-31: Endonuclease

Endodeoxyribonuclease	Deoxyribonuclease I Deoxyribonuclease II Deoxyribonuclease IV Restriction enzyme UvrABC endonuclease

Endoribonuclease	RNase III RNase H 1 2A 2B 2C RNase P RNase A 1 2 3 4/5 RNase T1 RNA-induced silencing complex

either deoxy- or ribo-	Aspergillus nuclease S1 Micrococcal nuclease

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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