Document Detail

Semisynthesis of human somatotropin analogs.
MedLine Citation:
PMID:  293709     Owner:  NLM     Status:  MEDLINE    
Complementation of the natural NH2-terminal 134-amino acid fragment of the reduced, carbamoylmethylated human somatotropin with synthetic analogs of COOH-terminal fragments of 57, 42, or 38 amino acids of reduced, carbamoyl-methylated human somatotropin has been investigated. It was found that synthetic fragments of 57 and 42 amino acids gave recombinants with full growth-promoting activity, whereas attempts to obtain a recombinant with the synthetic 38-amino acid fragment were unsuccessful. The synthesis of two analogs of the COOH-terminal fragment of human somatotropin, human [N]e170, Ala165,182,189] somatotropin-(150-191) and human [Nle170, Ala165,182,189] somatotropin-(154-191), is herein described.
C H Li; J Blake
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Proceedings of the National Academy of Sciences of the United States of America     Volume:  76     ISSN:  0027-8424     ISO Abbreviation:  Proc. Natl. Acad. Sci. U.S.A.     Publication Date:  1979 Dec 
Date Detail:
Created Date:  1980-03-27     Completed Date:  1980-03-27     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  7505876     Medline TA:  Proc Natl Acad Sci U S A     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  6124-7     Citation Subset:  IM    
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MeSH Terms
Amino Acid Sequence
Biological Assay
Growth Hormone / biosynthesis*
Peptide Fragments
Structure-Activity Relationship
Reg. No./Substance:
0/Peptide Fragments; 9002-72-6/Growth Hormone

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