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Abb25.14

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Abb25.14

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  1. Abb. 25.14 Kristallstruktur mit dem Bindungsmodus von Ro 31-4724 (25.35,IC50 = 9 nM) an Collagenase. Die Hydroxamsäure bindet chelatartig an das Zinkion. Beide Amidgruppen bilden Wasserstoffbrücken zum Enzym aus. Die Leucin-Seitenkette des Inhibitors in der P1'-Position füllt die ins Proteininnere ausgerichtete S1'-Tasche aus. Die Alanin-Methylgruppe bindet in der S3'-Tasche, wogegen die Leucinseitenkette in Position P2' ins Lösungsmittel ragt, da die S2’-Tasche praktisch nicht ausgebildet ist.

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