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. 2003 Aug;185(15):4564–4571. doi: 10.1128/JB.185.15.4564-4571.2003

FIG. 1.

FIG. 1.

Heme-linked peroxidase staining of periplasmic fractions of wild-type S. frigidimarina. Aliquots (40 μg) of periplasmic fractions were loaded onto an SDS-10% (wt/vol) PAGE gel. Lane 1, purified sample of IfcA (1 μg); lane 2, periplasm from cells grown anaerobically with fumarate; lane 3, periplasm from cells grown anaerobically with nitrate; lane 4, periplasm from cells grown anaerobically with ferric citrate; lane 5, periplasm from cells grown anaerobically with ferric citrate and fumarate; lane 6, periplasm from cells grown anaerobically with ferric citrate and nitrate; lane 7, periplasm from cells grown anaerobically with manganese; lane 8, periplasm from cells grown microaerobically; lane 9 periplasm from cells grown microaerobically with ferric citrate.