Student Projects for UMass Chemistry 423 Spring 2016: Difference between revisions
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The ligand binding domain of the aspartate receptor (<scene name='User:Lynmarie_K_Thompson/Sandbox_1/Loadedfrompdb/4'>Initial view</scene>) ) is a dimer of two 4-helix bundles that is shown here with the <scene name='SandboxLKT/Asplabel/2'>aspartate ligand</scene> bound.<ref>PMID: 8486661</ref> In this <scene name='SandboxLKT/Totmhelices/2'>rainbow representation</scene> the <font color='blue'>N</font> and <font color='red'>C</font> termini are at the bottom of the structure; this is where the connections to the transmembrane helices have been truncated. | The ligand binding domain of the aspartate receptor (<scene name='User:Lynmarie_K_Thompson/Sandbox_1/Loadedfrompdb/4'>Initial view</scene>) ) is a dimer of two 4-helix bundles that is shown here with the <scene name='SandboxLKT/Asplabel/2'>aspartate ligand</scene> bound.<ref>PMID: 8486661</ref> In this <scene name='SandboxLKT/Totmhelices/2'>rainbow representation</scene> the <font color='blue'>N</font> and <font color='red'>C</font> termini are at the bottom of the structure; this is where the connections to the transmembrane helices have been truncated. | ||
'''Ligand binding site''' | '''Ligand binding site''' | ||
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When the protein is colored according to <scene name='69/695684/Conservation/1'>sequence conservation</scene> , residues at the ligand site are the most conserved. | When the protein is colored according to <scene name='69/695684/Conservation/1'>sequence conservation</scene> , residues at the ligand site are the most conserved. | ||
{{Template:ColorKey_ConSurf_NoYellow}} | {{Template:ColorKey_ConSurf_NoYellow}} | ||
Interactions that stabilize ligand binding<ref>PMID: 1660187</ref> include hydrogen bonding from Tyr149 and Gln152 backbone carbonyls and Thr154 sidechain OH to the <scene name='SandboxLKT/Asp_ligand_aminohbonds/5'>ligand amino group</scene> and hydrogen bonding from the sidechain nitrogens of Arg64, Arg69, and Arg73 to the two <scene name='SandboxLKT/Asp_ligand_carboxylhbonds/4'>ligand carboxyl groups</scene>. | Interactions that stabilize ligand binding<ref>PMID: 1660187</ref> include hydrogen bonding from Tyr149 and Gln152 backbone carbonyls and Thr154 sidechain OH to the <scene name='SandboxLKT/Asp_ligand_aminohbonds/5'>ligand amino group</scene> and hydrogen bonding from the sidechain nitrogens of Arg64, Arg69, and Arg73 to the two <scene name='SandboxLKT/Asp_ligand_carboxylhbonds/4'>ligand carboxyl groups</scene>. | ||
