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. 1993 Nov;175(21):7119–7122. doi: 10.1128/jb.175.21.7119-7122.1993

The hydrophobic repeated domain of the Clostridium cellulovorans cellulose-binding protein (CbpA) has specific interactions with endoglucanases.

M Takagi 1, S Hashida 1, M A Goldstein 1, R H Doi 1
PMCID: PMC206844  PMID: 8226657

Abstract

We overexpressed one of the hydrophobic repeated domains (HBDs) (110 amino acid residues) of the cellulose-binding protein (CbpA) from Clostridium cellulovorans by making a hybrid protein with the Escherichia coli maltose-binding protein (MalE). The HBD was purified to homogeneity, and interactions between the HBD and endoglucanases were analyzed by a novel interaction Western blotting (immunoblotting) method. The HBD had specific interactions with endoglucanases (EngB and EngD) from C. cellulovorans. These results indicated that the HBD was an endoglucanase binding site of CbpA.

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Selected References

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