Journal of Genetic Engineering and Biotechnology

Table 1 Influence of metal ions and chemical compounds on pectinase and xylanase enzymes

From: Xylanopectinolytic enzymes by marine actinomycetes from sediments of Sarena Kecil, North Sulawesi: high potential to produce galacturonic acid and xylooligosaccharides from raw biomass

Metal ions/chemical	Relative activity (%)
Metal ions/chemical	Pectinase	Xylanase
Control	100±0.17	100±0.04
KCl	132±0.01	135±0.12
CaCl₂	83±0.22	140±0.11
MnCl₂.4H₂O	149±0.27	219±0.04
ZnCl₂	161±0.03	137±0.09
Fe₂SO₄.7H₂O	209±0.09	215±0.14
MgSO₄.7H₂O	80±0.30	144±0.04
CuSO₄	73±0.03	35±0.03
HgCl₂	0±0.08	11±0.13
PEG-6000	83±0.05	130±0.07
Isopropanol	63±0.02	106±0.02
Methanol	56±0.02	104±0.03
Ethanol	52±0.01	99±0.02
Triton X-100	83±0.03	133±0.36
EDTA	106±0.02	60±0.04
SDS	0±0.00	0±0.01

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