Pyruvate kinase is allosterically inhibited by ATP, acetyl-CoA, and long-chain fatty acids

TLS Online TPP Program

#Id: 9048

#XL - T Zoology

All G protein–coupled receptors contain seven transmembrane α-helical regions (H1–H7). In many GPCRs a short α helix H8 lies parallel to the membrane surface, and a covalently bound palmitic acid group

TLS Online TPP Program

#Id: 9049

#XL - T Zoology

Three principal classes of G PCR that bind their ligand in different ways:

TLS Online TPP Program

#Id: 9050

#XL - T Zoology

Member of family A of GPCRs -β-adrenergic receptors

Member of family B of GPCRs -glucagon receptor 

Member of family C of GPCRs -glutamate receptor

TLS Online TPP Program

#Id: 9051

#XL - T Zoology

TLS Online TPP Program

#Id: 9052

#XL - T Zoology

TLS Online TPP Program

#Id: 9053

#XL - T Zoology

Binding of cAMP by an R subunit of PKA occurs in a cooperative fashion; i.e., binding of the first cAMP molecule to CNB-B lowers the Kd for binding of the second cAMP to CNB-A.