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. 2010 Mar 27;26(11):2009–2018. doi: 10.1007/s11274-010-0385-8

Table 3.

Some molecular and biochemical properties of purified Phy I and Phy II from Aspergillus niger NCIM 563

Properties Values
Phy I Phy II
pH
 Optimum 2.5 5.0
 Stability 2.0–9.0 4.0–8.5
Temperature
 Optimum 55°C 55°C
 Stability t 1/2 at 55°C, 6–8 h t 1/2 at 55°C, 10–12 h
Isoelectric point 3.65 3.95
Molecular mass (kDa)
 Native 264 150–160
 Subunit (SDS) 66 150
 MALDI 66 74
 Glycoprotein nature Glycosylated Non-glycosylated
Substrate specificity Broad Specific for Na phytate