Purification and characterization of catalase enzymes from chicken liver and sheep erythrocytes
Özet
Catalase enzyme (H2O2: H2O2 oxidoreductase; E.C.1.11.1.6) was purified from chicken liver and sheep erythrocytes, using DEAE-Sephadex A50 ion exchange chromatography and some characteristics of the enzymes were investigated. The purification procedure was composed of 3 steps i.e., homogenate/hemolisate preparation, ammonium sulfate precipitation and DEAE-Sephadex A50 ion exchange chromatography. Chicken liver and sheep erythrocytes enzymes, having the specific activity of 560.46 and 1017.5 EU/mg proteins were purified with a yield of 30.06 and 22.23 %; 190.63 and 643.9-fold, respectively. In order to control the purification of enzymes were done, sodium dodecyl sulfate polyacrilamide gel electrophoresis (SDS-PAGE). SDS-PAGE showed a single band for each enzyme. Optimal pH, stable pH, optimal temperature, KM and V-max values for H2O2 were also determined for the each enzyme. In addition, molecular weight and subunit molecular weights were found by SIDS-PAGE and gel filtration chromatography respectively.
Anahtar kelimeler
Atıf için künye
COBAN, A., Ciftci, M., Özdemir, H., & ALTIKAT, S. (2007). Purification and characterization of catalase enzymes from chicken liver and sheep erythrocytes. ASIAN JOURNAL OF CHEMISTRY, 19(5), 3941–3953.
BibTeX
@article{coban2007-67310,
author = {COBAN, Abdulkadir and Ciftci, Mehmet and Özdemir, Hasan and ALTIKAT, Sayit},
title = {Purification and characterization of catalase enzymes from chicken liver and sheep erythrocytes},
journal = {ASIAN JOURNAL OF CHEMISTRY},
year = {2007},
volume = {19},
number = {5},
pages = {3941--3953},
issn = {0970-7077},
url = {https://akademik.atauni.edu.tr/yayinlar/67310-purification-and-characterization-of-catalase-enzymes-from-chicken-liver-and}
}