2017
DOI: 10.1080/10942912.2017.1360903
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Purification, characterization and selected inhibition properties of peroxidase from haricot bean (Phaseolus vulgaris L.)

Abstract: In this study, a cationic soluble peroxidase (POD) was homogeneously purified and biochemically characterized. The enzyme purification involved the combination of (NH 4 ) 2 SO 4 precipitation, CM-Sephadex cation exchange, and gel filtration chromatography. The purity of the enzyme was examined by sodium dodecyl sulphate-polyacrylamide gel electrophoresis, and one single prominent band was obtained with a molecular weight of approximately 45 kDa. The thermal and pH stability showed that the enzyme was stable at… Show more

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Cited by 9 publications
(16 citation statements)
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“…Differences in the molecular weight of POX enzymes could be due to differences in amino acid sequence or the degree of glycosylation [37,38]. Maize peroxidase, ionically bound to the cell wall with a molecular weight of 45 kDa was described and considered as a monomer [35]; the soluble bean POX with the same molecular weight was also previously described [39]. The amino acid sequence length of bean and maize sPOX obtained by LC-MS/MS was in the range of 305-370, which is the recorded length of polypeptide chains of secretory peroxidase class III [37].…”
Section: Discussionmentioning
confidence: 99%
“…Differences in the molecular weight of POX enzymes could be due to differences in amino acid sequence or the degree of glycosylation [37,38]. Maize peroxidase, ionically bound to the cell wall with a molecular weight of 45 kDa was described and considered as a monomer [35]; the soluble bean POX with the same molecular weight was also previously described [39]. The amino acid sequence length of bean and maize sPOX obtained by LC-MS/MS was in the range of 305-370, which is the recorded length of polypeptide chains of secretory peroxidase class III [37].…”
Section: Discussionmentioning
confidence: 99%
“…with the values of V max 1,749 OD/min and K M 113.2 mM (Enachi et al, 2018). Meanwhile, POD obtained from haricot bean showed the affinity for guaiacol and H 2 O 2 with the K M values of 0.0154 mM and 0.065 mM (Köktepe et al, 2017). Additionally, Capone et.…”
Section: Substrate Specificitymentioning
confidence: 94%
“…As can be seen in Figure 2, the occurred specific binding of RBP to affinity matrices that is the critical factor of purification was confirmed by detecting a single band at 31.2 kDa. Other authors purified PODs from haricot bean (Köktepe, Altın, Tohma, Gülçin, & Köksal, 2017), jackfruit (Tao, Wang, Luo, & Yan, 2018), zucchini (Wang, Wang, Wang, Wang, & Huang, 2019) (Thongsook & Barrett, 2005).…”
Section: Molecular Weight Determinationmentioning
confidence: 99%
“…botrytis) buds as 44 kDa, [53] and for haricot bean (Phaseolus vulgaris) as 45 kDa. [33] Also, a denatured POD from Euphorbia tirucalli, which migrated in SDS-PAGE, had a single band with a MW of 44 kDa. [60] The differences in the MW of plant POD could be due to differences in amino acid sequences depending on glycosylation levels.…”
Section: Chromatography Studiesmentioning
confidence: 99%
“…[28][29][30] POD has been purified from many different sources like wheat, [31] spinach, [32] and bean. [33] Some of their biochemical properties including thermal stability, optimum and stable pH, optimum temperature, and enzyme kinetics have been determined. In general, similar methods like ammonium sulphate precipitation, dialysis, ion exchange, and gel filtration chromatographies have been used for purification studies, especially made from plant sources.…”
Section: Introductionmentioning
confidence: 99%