The apo-form functions as a chaperone, preventing aggregation or helping in correct refolding of a number of substrates; this activity does not require ATP or the ability to bind a Fe-S cluster. Chaperone activity is insensitive to the redox state of its cysteine residues. The apo-form has no protein disulfide reductase activity. The apo-form binds to its own promoter.

Belongs to the WhiB family.

89 amino acids

MVPEAPAPFEEPLPPEATDQWQDRALCAQTDPEAFFPEKGGSTREAKKICMGCEVRHECLEYALAHDERFGIWGGLSERERRRLKRGII

10.2 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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