... green, N blue, O red, P orange, and S yellow. The DNA binds four identical 104-residue repressor subunits. Pairs of ... HTH motif or pairs of β ribbons like the met repressor (although numerous prokaryotic DNA-binding proteins, including CAP, ...
... pathway is just the reverse of the other. It was not thermodynamics, however, that led to recognition of the separa- tion of synthetic and degradative pathways for glycogen ... Glycogen Synthesis A UDP–Glucose Pyrophosphorylase Activates ...
Fundamentals of Biochemistry: Life at the Molecular Level
... blue with their HTH motifs more deeply colored. The 18-bp self-complementary ... green, is simultaneously bound. Note that the protein's recognition helices ... HTH motifs interact with DNA. However, the subsequently determined X-ray ...
Fundamentals of Biochemistry: Life at the Molecular Level
... enzymes. • Glycogen metabolism is ultimately under the control of hormones such as insulin, glucagon, and epinephrine. If glycogen synthesis and breakdown proceed simultaneously, all that is accomplished is the wasteful hydrolysis of UTP.
Donald Voet, Judith G. Voet. 644 Chapter 18. Glycogen Metabolism degradative pathways. In the next section we examine the pathway of glycogen synthesis and, in Section 18-3, we explore the regulatory process. Since the direct conversion ...
... dipole moment that is positive toward the N - terminus and negative toward ... moment on a neighboring group so as to form an attractive interaction ( Fig . 8 ... example , indicates that the attractive interaction of a nonbonded H ... H ...
The latest edition continues this tradition, and additionally incorporates coverage of recent research and an expanded focus on preparing and supporting students throughout the course.
... pathways dif- fer in at least one enzyme? • • What is the free energy source for glycogen synthesis? What is the role of glycogenin? • What are the three enzymes involved in glycogen synthesis? What types of reactions do they catalyze ...
Fundamentals of Biochemistry: Life at the Molecular Level
