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{{Infobox enzyme
| Name = Pseudobaptigenin synthase
| EC_number = 1.14.21.8
| CAS_number = 
| IUBMB_EC_number = 1/14/21/8
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Pseudobaptigenin synthase''' ({{EC number|1.14.21.8}}) is an [[enzyme]] with system name ''calycosin,NADPH:oxygen oxidoreductase (methylenedioxy-bridge-forming)''.<ref>{{cite journal | title = Cytochrome ''P''<sub>450</sub>-dependent methylenedioxy bridge formation in ''Cicer arietinum'' |author = Clemens S., Barz W. |journal = Phytochemistry |year = 1996 |volume = 41 |pages = 457–460 |pmid = }}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: (1) [[calycosin]] + NADPH + H<sup>+</sup> + O<sub>2</sub> <math>\rightleftharpoons</math> pseudobaptigenin + NADP<sup>+</sup> + 2 H<sub>2</sub>O
: (2) [[pratensein]] + NADPH + H<sup>+</sup> + O<sub>2</sub> <math>\rightleftharpoons</math> 5-hydroxypseudobaptigenin + NADP+ + 2 H<sub>2</sub>O

Pseudobaptigenin synthase is a [[heme]]-[[thiol]]ate enzyme (P450) that catalyses a step in the biosynthesis of (-)-[[maackiain]].

== References ==
{{reflist}}

== External links ==
* {{MeshName|Pseudobaptigenin+synthase}}

[[Category:EC 1.14.21]]