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Related Concept Videos

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Repressible Operon: trp Operon

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Related Experiment Video

Updated: May 24, 2026

Radiosynthesis of 1-(2-[18F]Fluoroethyl)-L-Tryptophan using a One-pot, Two-step Protocol
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Published on: September 21, 2021

l-Tryptophan 4-nitro-phenol tris-olvate.

V H Rodrigues, M M R R Costa, M Belsley

    Acta Crystallographica. Section E, Structure Reports Online
    |March 14, 2012
    PubMed
    Summary
    This summary is machine-generated.

    This study details the crystal structure of a zwitterionic amino acid, revealing specific planar arrangements and intermolecular interactions. The findings elucidate the compound's structural organization and bonding characteristics.

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    Chemical Modification of the Tryptophan Residue in a Recombinant Ca2+-ATPase N-domain for Studying Tryptophan-ANS FRET

    Published on: October 9, 2021

    Area of Science:

    • Crystallography
    • Molecular structure analysis
    • Chemical physics

    Background:

    • Understanding the precise arrangement of atoms and intermolecular forces is crucial for predicting material properties.
    • Zwitterionic amino acids exhibit unique structural and chemical characteristics due to their charged nature.

    Purpose of the Study:

    • To elucidate the detailed crystal structure of a specific zwitterionic amino acid.
    • To analyze the planar group arrangements, bond angles, and intermolecular interactions within the crystal lattice.

    Main Methods:

    • X-ray crystallography was employed to determine the three-dimensional structure.
    • Analysis of atomic coordinates and deviations from idealized planes.
    • Identification and characterization of hydrogen bonding and π-π stacking interactions.

    Main Results:

    • The zwitterionic amino acid consists of two nearly planar groups: the indole ring/Cβ and the carboxyl group/Cα/amine N.
    • The angle between these planes is 39.47(9)°.
    • The crystal structure is characterized by sheets formed by parallel networks stabilized by hydrogen bonds, nitro-π, and π-π stacking interactions.

    Conclusions:

    • The study provides a detailed structural description of the title compound.
    • The observed intermolecular interactions, including hydrogen bonding and π-π stacking, are key to the crystal's cohesive structure.
    • This structural information can inform future research on similar compounds and their potential applications.