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  • Title: [Participation of the iron-containing pterine-protein complex in NADP reduction and electron transport].
    Author: Makarov AD, Stakhov LF.
    Journal: Biokhimiia; 1976 Aug; 41(8):1380-6. PubMed ID: 15645.
    Abstract:
    A factor of protein nature, containing pteridines and iron ions was isolated from pea leaves. The compound was shown capable of activating NADP reduction during chloroplasts illumination in the absence of ferredoxin. The compound was termed "NADP-reducing factor" (NRP). Freshly isolated NRF in combination with the protein possessing the NADP-reductase activity, reduces NADP in the dark. The factor accepts the electron from the reaction site of the first photosystem and activates hydrogen liberation in the systems, containing hydrogenase. A possibility of an existence of an additional site of NADP reduction in chloroplasts is discussed.
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