FIELD: biochemistry, gene engineering, in particular amidation of hormones and other peptides used in medicine and agriculture.
SUBSTANCE: peptide sequence obtained in process of triptic digesting of peptidylglycine alpha-amidating monooxygenase (PAM) from fat thyroid encephaloid carcinoma is determined. On the base of obtained data oligonucleotide sequences are synthesized and used for isolation of full-sized PAM encoding DNA. Expression of obtained DNA fragments in heterogeneous systems makes it possible to obtain recombinant PAM useful in amidation reaction of peptide substrate with C-terminated glycine providing the same effect that for native enzyme.
EFFECT: effective method for production of amidated peptides.
12 dwg, 2 tbl, 9 ex
Title |
Year |
Author |
Number |
$$$-AMIDATING MONOOXYGENASE (VARIANTS) AND A METHOD OF PREPARING $$$-AMIDATED FORM OF REGULATORY POLYPEPTIDE |
1988 |
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|
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0 |
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|
SU1802814A3 |
STRAIN ESCHERICHIA COLI JM 105 TRANSFORMED WITH PLASMID PAE12 - PRODUCER OF ALPHA-AMIDATING ENZYME, RECOMBINANT PLASMID PAE12, MURINE CELLULAR LINE C127 TRANSFORMED WITH PLASMID PDBPV-MMTNEO α - PRODUCER OF ALPHA-AMIDATING ENZYME, RECOMBINANT PLASMID PDBPV-MMTNEO α |
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|
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|
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RU2194760C2 |