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ETSU-9.mut92 expresses a UspA2H protein with an internal deletion. Proteins in outer membrane vesicles isolated from ETSU-9.Strr, ETSU-9.mut92, and the uspA2H null mutant ETSU-9.mut92.2 were resolved by SDS-PAGE and stained with Coomassie blue. The wild-type UspA2H protein expressed by ETSU-9.Strr is indicated by the black arrow, and the much smaller form of UspA2H expressed by ETSU-9.mut92 is indicated by the white arrow. Molecular mass position markers (in kDa) are on the left.
