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  • HBTU  (2)
  • cotton  (2)
  • Springer  (4)
  • American Chemical Society
  • Hindawi
  • 2015-2019
  • 2000-2004  (4)
Collection
Keywords
Publisher
  • Springer  (4)
  • American Chemical Society
  • Hindawi
Years
  • 2015-2019
  • 2000-2004  (4)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Interaction of abscisic-acid-binding cotton (Gossypium hirsutum) protein and phytohormones (2000)
    Springer
    Chemistry of natural compounds 36 (2000), S. 311-313 
    Details
    ISSN: 1573-8388
    Keywords: ABA ; specific binding ; cotton ; competitive replacement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The interaction of representatives of three classes of phytohormones, abscisic acid (ABA), the synthetic auxin 1-NAA, and the synthetic cytokinin 6-BAP, with ABA-binding cotton protein was studied. Binding of ABA with its protein was shown to be specific and receptor-like. Competitive protein binding showed that 1-NAA (15±3%), 6-BAP (82±3%), and ABA (95±3%) replace3H-ABA from the protein complex. The possibility of reacting ABA-binding protein with various classes of intracellular phytohormones is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02238344
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  • 2
    Electronic Resource
    Electronic Resource
    Isolation of Protein-Nucleic Components of Cotton Chromatin and Investigation of Their Interaction with the Cytokinin-Receptor Complex (2000)
    Springer
    Chemistry of natural compounds 36 (2000), S. 531-533 
    Details
    ISSN: 1573-8388
    Keywords: chromatin ; cytokinin-receptor protein ; 3H-benzylaminopurine ; cotton
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Cotton chromatin was fractionated into its components. Fractions of histone proteins, nonhistone proteins (NHp-1, NHp-2, NHp-3), and DNA were obtained. Their interactions with 3 H-BAP and 3 H-BAP-CBP complex were investigated. The RNA-polymerase activities of the obtained fractions were investigated. Fraction NHp-2 was shown to bind specifically hormone and its complex with the receptor. RNA-polymerase was localized in fraction NHp-2
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1002860128198
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  • 3
    Electronic Resource
    Electronic Resource
    Coupling of iminodiacetic acid with amino acid derivatives in solution and solid phase (2000)
    Springer
    International journal of peptide research and therapeutics 7 (2000), S. 331-345 
    Details
    ISSN: 1573-3904
    Keywords: ACP (65-74) ; coupling reagents ; HATU ; HBTU ; HSTU ; iminodiacetic acid ; infrared studies ; Kyotorphin ; Leucine Enkephalin ; solution and solid phase peptide synthesis ; TCFH ; TFFH
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The IR studies for the preactivation step of N-protected iminodiacetic acid with different coupling reagents (TCFH, TFFH, HATU, HBTU, HSTU) were reported here and showed the formation of an anhydride as an active intermediate in case of TCFH and TFFH. The formation of a mixture of an anhydride and an active ester (-OBt,-OAt or-OSu) were observed for HBTU, HATU or HSTU coupling reagent. Dependent on the coupling conditions, acylation of N-protected iminodiacetic acid with amino acid ester or amide derivatives in solution phase gave monoor di-substituted iminodiacetic acid derivatives. Coupling of N-protected iminodiacetic acid with an amino acid or peptide attached to a solid support (PAL-PEG-PS or Wang resin) gave only the monosubstituted iminodiacetic acid derivatives.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02443597
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  • 4
    Electronic Resource
    Electronic Resource
    Coupling of iminodiacetic acid with amino acid derivatives in solution and solid phase (2000)
    Springer
    International journal of peptide research and therapeutics 7 (2000), S. 331-345 
    Details
    ISSN: 1573-3904
    Keywords: ACP(65–74) ; coupling reagents ; HATU ; HBTU ; HSTU ; iminodiacetic acid ; infrared studies ; Kyotorphin ; Leucine Enkephalin ; solution and solid phase peptide synthesis ; TCFH ; TFFH
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The IR studies for the preactivation step of N-protected iminodiacetic acid with different coupling reagents (TCFH,TFFH, HATU, HBTU, HSTU) were reported here and showed theformation of an anhydride as an active intermediate in caseof TCFH and TFFH. The formation of a mixture of an anhydrideand an active ester (–OBt, –OAt or –OSu) were observed forHBTU, HATU or HSTU coupling reagent. Dependent on the couplingconditions, acylation of N-protected iminodiacetic acid with amino acid ester or amide derivatives in solution phase gavemono- or di-substituted iminodiacetic acid derivatives. Couplingof N-protected iminodiacetic acid with an amino acid or peptideattached to a solid support (PAL-PEG-PS or Wang resin) gave onlythe monosubstituted iminodiacetic acid derivatives.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1013070110762
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