6-Substituted nicotinic acid analogues, potent inhibitors of CAIII, used as therapeutic candidates in hyperlipidemia and cancer
作者:Haneen K. Mohammad、Muhammed H. Alzweiri、Mohammad A. Khanfar、Yusuf M. Al-Hiari
DOI:10.1007/s00044-017-1825-x
日期:2017.7
carboxylic acid of ligand is essential for binding via coordinate bond formation with Zn+2 ion in the enzyme active site. Moreover, the presence of a hydrophobic group, containing a hydrogen bond acceptor, at position 6 of the pyridine improves activity, e.g., 6-(hexyloxy) pyridine-3-carboxylic acid (Ki = 41.6 µM). Utilizing the weak esterase activity of CAIII, the inhibitory mode of 6-substituted nicotinic
烟酸已被报道为碳酸酐酶III酶的潜在抑制剂。碳酸酐酶III(CAIII)是控制血脂异常和癌症进展的新兴药理学目标。使用尺寸排阻色谱法研究了6-取代的烟酸类似物对碳酸酐酶III的活性。浓度依赖性空位峰的出现表明与CAIII结合。色谱和对接研究表明,配体的羧酸对于通过与Zn +2形成配位键的结合至关重要离子在酶的活性位点。此外,在吡啶的6位上含有氢键受体的疏水基团的存在提高了活性,例如6-(己氧基)吡啶-3-羧酸(Ki =41.6μM)。利用CAIII的弱酯酶活性,证实了6-取代烟酸的抑制模式。