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. 2014 Jun 18;289(31):21782–21794. doi: 10.1074/jbc.M114.581363

TABLE 4.

Metal content of Methylocystis sp. str. Rockwell pMMO (average of 3–4 samples)

Copper/100-Da protomer Iron/100-Da protomer Zinc/100-Da protomer
Membranes 4.2 ± 2 0.4 ± 0.2 0.1 ± 0.1
Purified pMMO (dilute) 2.2 ± 0.4 0.06 ± 0.03 0.1 ± 0.1
Purified pMMO (concentrated) 0.9 ± 0.1 0.06 ± 0.04 0.13 ± 0.08