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101 0 _aeng
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181 0 _ai
182 0 _ab
200 1 _aThe investigation of structure–activity relationship of polyamine-targeted synthetic compounds from different chemical groups
_fS. P. Syatkin, E. V. Neborak, A. I. Khlebnikov [et al.]
203 _aText
_celectronic
300 _aTitle screen
330 _aThe polyamine (PA) metabolism is involved in cell proliferation and differentiation. Increased cellular PA levels are observed in different types of cancers. Products of PA oxidation induce apoptosis in cancer cells. These observations open a perspective to exploit the enzymes of PA catabolism as a target for anticancer drug design. The substances capable to enhance PA oxidation may become potential anticancer agents. The goal of our study was to explore how the mode of ligand binding with a PA catabolic enzyme is associated with its stimulatory or inhibitory effect upon PA oxidation. Murine N1-acetylpolyamine oxidase (5LFO) crystalline structure was used for molecular docking with ligands of various chemical structures. In vitro experiments were carried out to evaluate the action of the tested compounds upon PA oxidative deamination in a cell-free test system from rat liver. Two amino acid residues (Aps211 and Tyr204) in the structure of 5LFO were found to be significant for binding with the tested compounds. 19 out of 51 screened compounds were activators and 17 were inhibitors of oxidative deamination of PA. Taken together, these results enabled to construct a recognition model with characteristic descriptors depicting activators and inhibitors. The general tendency indicated that a strong interaction with Asp211 or Tyr204 was rather typical for activators. The understanding of how the structure determines the binding mode of compounds with PA catabolic enzyme may help in explanation of their structure–activity relationship and thus promote structure-based drug design.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tAmino Acids
463 _tVol. 52
_v[P. 199-211]
_d2020
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _apolyamines
610 1 _apolyamine catabolism
610 1 _apolyamine-targeted agents
610 1 _amolecular docking
610 1 _astructure-activity relationship
610 1 _aполиамины
610 1 _aкатаболизм
610 1 _aмолекулярная стыковка
701 1 _aSyatkin
_bS. P.
_gSergey Pavlovich
701 1 _aNeborak
_bE. V.
_gEkaterina Vladislavovna
701 1 _aKhlebnikov
_bA. I.
_cChemist
_cProfessor of Tomsk Polytechnic University
_f1963-
_gAndrey Ivanovich
_2stltpush
_3(RuTPU)RU\TPU\pers\33927
701 1 _aKomarova
_bM. V.
_gMarina Vladimirovna
701 1 _aShevkun
_bN. A.
_gNataliya Aleksandrovna
701 1 _aKravtsov
_bE. G.
_gEduard Georgievich
701 1 _aBlagonravov
_bM. L.
_gMikhail Lvovich
701 1 _aAgostinelli
_bE.
_gEnzo
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИнженерная школа новых производственных технологий
_bНаучно-образовательный центр Н. М. Кижнера
_h7872
_2stltpush
_3(RuTPU)RU\TPU\col\23556
801 2 _aRU
_b63413507
_c20200424
_gRCR
856 4 _uhttps://doi.org/10.1007/s00726-019-02778-3
942 _cCF