JPH0432838B

[21-Leucine] human urogastrone, hUG, comprising a polypeptide represented by the specified amino acid sequence has been found to be equivalent to the known hUG which has 21-Met and is disclosed together with its syntheses. Double-stranded polydeoxyribonucleotides comprising a structural gene for exp...

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Bibliographische Detailangaben
Hauptverfasser:	MYOSHI KENICHI, SUMI SHINICHIRO, HASEGAWA AKIRA, SUZUKI MASANORI
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DERIVATIVES THEREOF ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS SUGARS VINEGAR WINE
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Beschreibung
Zusammenfassung:	[21-Leucine] human urogastrone, hUG, comprising a polypeptide represented by the specified amino acid sequence has been found to be equivalent to the known hUG which has 21-Met and is disclosed together with its syntheses. Double-stranded polydeoxyribonucleotides comprising a structural gene for expressing the hUG, a recombinant plasmid comprising a structural gene for expressing the hUG, and E. coli transformed by the recombinant plasmid are also disclosed. Thanks to the substitution of Met in the known hUG by Leu, the peptide of hUG can now be produced by a conventional or typical method in which a genetically engineered precursor fused polypeptide is cleaved by cyanogen bromide at Met in the fused polypeptide.