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    FEBS Lett. 1993 Oct 18;332(3):226-8.

    Mass spectrometric evidence for a disulfide bond in aequorin regeneration.

    Ohmiya Y, Kurono S, Ohashi M, Fagan TF, Tsuji FI.

    PRESTO, JRDC, Solar Energy Research Group, Institute of Physical and Chemical Research (RIKEN), Saitama, Japan.

    Tryptic digests of purified recombinant apoaequorin were analyzed, before and after reduction with DTT, by fast atom bombardment mass spectrometry. The results showed that apoaequorin contains a disulfide bond between Cys145 and Cys152 and that the reduction of this bond is involved in the regeneration of aequorin.

    PMID: 8405461 [PubMed - indexed for MEDLINE]

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