Soret band

Japanese: Soret band(英語表記)Soretband
Soret band

...Those with many carboxyl groups are highly hydrophilic. Porphyrins are generally red in color and have four absorption maxima in the visible region and one in the region called the Soret band (around 400 nm) in organic solvents, and also exhibit fluorescence. The biosynthesis of the porphyrin nucleus in various organisms begins with the synthesis of 5-aminolevulinic acid (ALA) from glycine and succinyl coenzyme A (succinyl CoA) by ALA synthase in mitochondria, followed by the action of PBG synthase (ALA dehydratase) to produce porphobilinogen (PBG), and then the first tetrapyrrole, uroporphyrinogen type III, is produced by the condensation of four PBG molecules. ...

*Some of the terminology that mentions "Soret band" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…カルボキシル基の多いものは親水性が強い。ポルフィリンは一般に赤色を呈し,有機溶媒中で可視部に4本,ソーレー帯Soret band(400nm付近)と呼ばれる部域に1本の吸収極大を有し,また蛍光も呈する。 各種生物におけるポルフィリン核の生合成は,まずグリシンとスクシニルコエンザイムA(スクシニルCoA)からのミトコンドリア内のALAシンターゼによる5‐アミノレブリン酸(ALA)の合成に始まり,次にPBGシンターゼ(ALAデヒドラターゼ)の作用でポルホビリノーゲン(PBG)を生じ,次いで4分子のPBGの縮合によって最初のテトラピロールであるウロポルフィリノーゲンIII型が生成する。…

※「Soret band」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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