CAS: 11029-61-1; Gramicidin A

该化合物是一种主要来自细菌Bacillus brevis的线性peptide抗生素,由氨基酸序列组成,以其破坏细菌细胞膜的能力而闻名,导致细胞分解.Gramicid A展示了一种独特的结构,其特点是氨基酸的循环安排,它有助于其两栖性质,使其能有效地与脂质双层发生相互作用.这种抗生素对抗生素细菌特别有效,并经常用于抗生素特性的专题配方中.除了其抗微生物活动外,还对其电离子特性进行了研究,便利了离子在膜之间的迁移.必须指出,虽然Gramicin A对某些病原体有效,但其使用由于潜在的毒性和抗药性的发展而受到限制.因此,它主要用于特定的临床应用,特别是眼科和药剂.

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    专利号:US-9206222-B2
    优先权日:2009-06-29
    标题:Solid phase peptide synthesis of peptide alcohols
    发明人:CAUSSIL-AMBLARD MURIEL; MARTINEZ JEAN; TAILHADES JULIEN
    权利人:CAUSSIL-AMBLARD MURIEL; MARTINEZ JEAN; TAILHADES JULIEN; CENTRE NAT RECH SCIENT
    摘要:The present invention relates to the synthesis of depsipeptides on solid phase support. Said depsipeptides are then implicated in a solution phase O—N acyl shift enabling to obtain the corresponding peptide alcohols.

    专利号:US-6537441-B1
    优先权日:1997-06-04
    标 题:Biosensor involving the use of optically sensitive moieties
    发明人:OSMAN PETER D; BURNS CHRISTOPHER J; MARTIN ALISTAIR S; KING LIONEL G
    权利人:AU MEMBRANE & BIOTECH RES INST; UNIV SYDNEY
    摘要:The present invention provides biosensors which include or are fabricated using optically sensitive moieties. The use of optically sensitive moieties provides advantages in the synthesis of the biosensors. Further the inclusion of optically sensitive moieties in the biosensor membrane provides an increase in the sensitivity of detection.

    专利号:US-2010233782-A1
    优先权日:2005-09-27
    标 题:Isolated phospholipid-protein particles
    发明人:KATZEN FEDERICO; FLETCHER JULIA; KUDLICKI WIESLAW; BEECHEM JOSEPH; WANG LILIN
    权利人:LIFE TECHNOLOGIES CORP
    摘要:Systems and methods are provided for producing a protein of interest that is typically not amenable to expression in soluble form in in vitro expression systems. In some aspects, the invention provides methods of synthesizing proteins using in vitro protein synthesis systems that include a scaffold protein such as apolipoprotein or an amphipathic alpha helix containing (“AAHC†) protein, in which higher yields of soluble protein are produced than in the absence of the scaffold protein. The scaffold proteins may be provided in an in vitro protein synthesis system associated with lipid or not associated with lipid. The scaffold protein may be provided as a protein per se or may be encoded by a nucleic acid template and co-expressed with the protein of interest. The invention also provides compositions and kits for synthesis of proteins in soluble form, in which the compositions and kits include cell extracts for protein expression and isolation.

    专利号:US-2003180254-A1
    优先权日:1995-05-26
    标题:Immunologic enhancement with intermittent interleukin-2 therapy
    发明人:LANE H CLIFFORD; KOVACS JOSEPH A; FAUCI ANTHONY S
    权利人:GOVT OF THE USA AS REPRESENTED
    摘要:A method for activating a mammalian immune system entails a series of IL-2 administrations that are effected intermittently over an extended period. Each administration of IL-2 is sufficient to allow spontaneous DNA synthesis in peripheral blood or lymph node cells of the patient to increase and peak, and each subsequent administration follows the preceding administration in the series by a period of time that is sufficient to allow IL-2 receptor expression in peripheral or lymph node blood of the patient to increase, peak and then decrease to 50% of peak value. This intermittent IL-2 therapy can be combined with another therapy which targets a specific disease state, such as an anti-retroviral therapy comprising, for example, the administration of AZT, ddI or interferon alpha. In addition, IL-2 administration can be employed to facilitate in situ transduction of T cells in the context of gene therapy. By this approach the cells are first activated in vivo via the aforementioned IL-2 therapy, and transduction then is effected by delivering a genetically engineered retroviral vector directly to the patient.

    专利号:WO-2011000848-A1
    优先权日:2009-06-29
    标题 :Solid phase peptide synthesis of peptide alcohols

    专利号:US-2012108748-A1
    优先权日:2009-06-29
    标 题:Solid phase peptide synthesis of peptide alcohols

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    主要参考文献


    1: Kaman WE, Nazmi K, Voskamp-Visser AI, Bikker FJ. Gramicidin A is hydrolyzed by a d-stereospecific peptidase produced by Bacillus anthracis. Environ Microbiol Rep. 2022 Apr 10. doi: 10.1111/1758-2229.13069. Epub ahead of print.
    144:108042. doi: 10.1016/j.bioelechem.2021.108042. Epub 2021 Dec 14. 57(9):1097-1100. doi: 10.1039/d0cc08073j. 124(52):11802-11818. doi: 10.1021/acs.jpcb.0c08902. Epub 2020 Dec 21.
    8:531229. doi: 10.3389/fcell.2020.531229.

    合成参考文献


    摘要:CRC Handbook of Antibiotic Compounds, Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980, 4(1)(240), 1980
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