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Ligand maltose-binding protein
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Basic Ligand Information
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Substrate in Enzyme-catalyzed Reactions (1 result)
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EC NUMBER 
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
Product in Enzyme-catalyzed Reactions (1 result)
EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
Activator in Enzyme-catalyzed Reactions (6 results)
EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
a periplasmic maltose-binding protein, MBP, is required to stimulate the ATPase activity of the transporter. MBP stimulates ATP hydrolysis and initiates the transport process, it must interact with the resting state conformation to form a pretranslocation complex that is metastable in order to advance to the outward-facing conformation in the presence of ATP
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required by wild-type strain, mutant strain does not require maltose-binding protein for transport. The major function of the maltose-binding protein is to send a transmembrane signal, in the presence of ligands, to the ATPase subunits on the inner side of the membrane. In addition it performs a special function in the translocation of the larger ligands, maltodextrins, perhaps by aligning them from entry into the channel
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stimulates detergent-soluble maltose transporter, does not change the affinity of the complex for ATP but does increase the maximal rate of ATP hydrolysis
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Enzyme Kinetic Parameters
References & Links
Literature References (7)
Links to other databases for maltose-binding protein
ChEBI
PubChem
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Release 2023.1 (January 2023)
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