Structures of three biologically active conjugates of -amino acids and plant growth hormone (auxin)
Abstract
<h2>Acta Crystallographica Section B</h2><h3>Structural Science</h3><h3>0108-7681</h3> <h2>research papers</h2> Volume 48 Part 3 Pages 297-302 June 1992 <h2>Structures of three biologically active conjugates of -amino acids and plant growth hormone (auxin)</h2> B. Nigovic, B. Kojic-Prodic, V. Puntarec and J. D. Schagen Acta Cryst. (1992). B48, 297-302 Structures of Three Biologically Active Conjugates of to-Amino Acids and Plant Growth Hormone (Auxin) BY BILJANA NIGOVI(;, BISERKA KOJI~;-PRODIt~* AND VITOMIR PUNTAREC Ruder BosTcovid Institute, POB 1016, 41001 Zagreb, Croatia, Yugoslavia AND JAN DIRK SCHAGEN Enraf-Nonius, Scientific Instruments Division, POB 483, 2600 AL Delft, The Netherlands (Received 17 September 1991; accepted 27 November 1991) Abstract The crystal structures of biologically active conju- gates of the plant growth hormone, indole-3-acetic acid (IAA = auxin) with the non-natural to-amino * To whom correspondence should be addressed. 0108-7681/92/030297-06506.00 acids fl-alanine (1), y-aminobutyric acid (2) and e-aminohexanoic (e-aminocaproic) acid (3) have been determined. (1) N-(IAA)-fl-Ala, CI3H14NzO3, Mr = 246.27, orthorhombic, Pbca, a=9.114(2), b= 23.933 (4), c = 11.034 (4)/k, V = 2406.8 (9) A3, Z = 8, Dx=l.359gcm-3, MoKa radiation, A= 0.71073/~, /z --0.92cm-1, F(000) = 1040, T= © 1992 International Union of Crystallography 298 C,3HI4N203, CI4H16N203 AND C16H20N203 133 K, R=0.036, wR=0.039 for 1557 reflections with I_