PHYTOMENADIONE
\fˌa͡ɪtə͡ʊmne͡ɪdˈa͡ɪ͡əni], \fˌaɪtəʊmneɪdˈaɪəni], \f_ˌaɪ_t_əʊ_m_n_eɪ_d_ˈaɪə_n_i]\
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A family of phylloquinones that contains a ring of 2-methyl-1,4-naphthoquinone and an isoprenoid side chain. Members of this group of vitamin K 1 have only one double bond on the proximal isoprene unit. Rich sources of vitamin K 1 include green plants, algae, and photosynthetic bacteria. Vitamin K1 has antihemorrhagic and prothrombogenic activitiy.
By DataStellar Co., Ltd
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.