PROTEIN ELEMENT SUBSTANCE AND ITS PREPARATION

NEW MATERIAL:Protein element substance CP-A. A molecular weight by SDS-gel electrophoresis being 75,000+ or -5,000. Protein by Lowry method of >=98wt%. Amino composition and composition ratio (muM/100muM) of protein component: Asp. 6.4+ or -0.7, Thr. 7.3+ or -0.8, Ser. 8.2+ or -0.9, Glu. 9.3+ or...

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Bibliographische Detailangaben
Hauptverfasser: MURAI TOSHI, TAMURA MAKOTO, ITOU KIYOSHI, TOMIOKA CHIKANORI
Format: Patent
Sprache:eng
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Zusammenfassung:NEW MATERIAL:Protein element substance CP-A. A molecular weight by SDS-gel electrophoresis being 75,000+ or -5,000. Protein by Lowry method of >=98wt%. Amino composition and composition ratio (muM/100muM) of protein component: Asp. 6.4+ or -0.7, Thr. 7.3+ or -0.8, Ser. 8.2+ or -0.9, Glu. 9.3+ or -1.0, Pro. 6.3+ or -0.7, Gly. 11.1+ or -1.0, Ala. 9.0+ or -0.9, Cys./2 1.2+ or -0.3, Val. 6.2+ or -0.6, Met. 2.7+ or -0.4, Ile. 3.4+ or -0.4, Leu. 8.4+ or -0.9, Tyr. 5.6+ or -0.6, Phe. 3.6+ or -0.5, Lys. 4.7+ or -0.5, His. 1.1+ or -0.3, Arg. 4.9+ or -0.5. Basic protein. USE:A constructional component of active element of insulin secretion enhancement, and a remedy for diabetes having no side effects. PROCESS:A bacterium belonging to the genus Bordetella (e.g., Bortella pertussis, etc.) is cultivated and purified to give an active substance of insulin secretion enhancement, which is incubated by a 3-5M urea-containing phosphate buffer solution and separated and purified, to give protein element substance CP-A.