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| PR:000022273 | PTS system N,N'-diacetylchitobiose-specific EIIB component | | |  | | |
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| PR:P69795 | PTS system N,N'-diacetylchitobiose-specific EIIB component (Escherichia coli K-12) | | |  | | |
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| PR:P69795 | PTS system N,N'-diacetylchitobiose-specific EIIB component (Escherichia coli K-12) | | |  | | |