Beta-galactoside permease, also known as lac permease or lactose permease, is a transmembrane protein found in the cell membrane of Escherichia coli bacteria. It plays a crucial role in the transport of beta-galactosides, such as lactose, across the cell membrane. This protein functions as a symporter, utilizing the proton gradient generated by the cell's respiratory chain to drive the uptake of beta-galactosides against their concentration gradient. The permease is composed of four identical subunits, each containing a binding site for the substrate. Upon binding, a conformational change occurs, allowing the substrate to be transported into the cell. This process is essential for bacteria to utilize lactose as a carbon source, and the study of beta-galactoside permease has provided valuable insights into the mechanisms of active transport and protein structure.
The CAS Registry Mumber 9063-67-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,6 and 3 respectively; the second part has 2 digits, 6 and 7 respectively. Calculate Digit Verification of CAS Registry Number 9063-67: (6*9)+(5*0)+(4*6)+(3*3)+(2*6)+(1*7)=106 106 % 10 = 6 So 9063-67-6 is a valid CAS Registry Number.
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