Table 2.

Metal ion analysis of pMMO by inductively coupled plasma-atomic emission spectroscopy

pMMO sample	Mol Cu per 200 kDa	Mol Fe per 200 kDa
Solubilized*	20.8  ± 4.5	2.2  ± 0.7
Purified†	4.8  ± 0.8	1.5  ± 0.7

^*Average of seven samples. 

^† Average of 28 samples.