This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
3iin
From Proteopedia
(Difference between revisions)
| Line 1: | Line 1: | ||
==Plasticity of the kink turn structural motif== | ==Plasticity of the kink turn structural motif== | ||
| - | <StructureSection load='3iin' size='340' side='right' caption='[[3iin]], [[Resolution|resolution]] 4.18Å' scene=''> | + | <StructureSection load='3iin' size='340' side='right'caption='[[3iin]], [[Resolution|resolution]] 4.18Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[3iin]] is a 4 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[3iin]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3IIN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3IIN FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr> | + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=K:POTASSIUM+ION'>K</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr> |
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=A23:ADENOSINE-5-PHOSPHATE-2,3-CYCLIC+PHOSPHATE'>A23</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene></td></tr> | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=A23:ADENOSINE-5-PHOSPHATE-2,3-CYCLIC+PHOSPHATE'>A23</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene></td></tr> | ||
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SNRPA ([ | + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SNRPA ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> |
| - | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3iin FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3iin OCA], [https://pdbe.org/3iin PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3iin RCSB], [https://www.ebi.ac.uk/pdbsum/3iin PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3iin ProSAT]</span></td></tr> |
</table> | </table> | ||
== Function == | == Function == | ||
| - | [[ | + | [[https://www.uniprot.org/uniprot/SNRPA_HUMAN SNRPA_HUMAN]] Binds stem loop II of U1 snRNA. It is the first snRNP to interact with pre-mRNA. This interaction is required for the subsequent binding of U2 snRNP and the U4/U6/U5 tri-snRNP. In a snRNP-free form (SF-A) may be involved in coupled pre-mRNA splicing and polyadenylation process. Binds preferentially to the 5'-UGCAC-3' motif in vitro.<ref>PMID:9848648</ref> |
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
| - | <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ii/3iin_consurf.spt"</scriptWhenChecked> | + | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ii/3iin_consurf.spt"</scriptWhenChecked> |
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
| Line 33: | Line 33: | ||
==See Also== | ==See Also== | ||
*[[Kink-turn motif|Kink-turn motif]] | *[[Kink-turn motif|Kink-turn motif]] | ||
| + | *[[Nucleoprotein 3D structures|Nucleoprotein 3D structures]] | ||
*[[Ribozyme|Ribozyme]] | *[[Ribozyme|Ribozyme]] | ||
*[[User:Wayne Decatur/kink-turn motif|User:Wayne Decatur/kink-turn motif]] | *[[User:Wayne Decatur/kink-turn motif|User:Wayne Decatur/kink-turn motif]] | ||
| Line 40: | Line 41: | ||
</StructureSection> | </StructureSection> | ||
[[Category: Human]] | [[Category: Human]] | ||
| + | [[Category: Large Structures]] | ||
[[Category: Antonioli, A H]] | [[Category: Antonioli, A H]] | ||
[[Category: Cochrane, J C]] | [[Category: Cochrane, J C]] | ||
Revision as of 12:11, 13 October 2021
Plasticity of the kink turn structural motif
| |||||||||||
Categories: Human | Large Structures | Antonioli, A H | Cochrane, J C | Lipchock, S V | Strobel, S A | Acetylation | Azoarcus | Group i intron | Kink turn | Ligation | Mrna processing | Mrna splicing | Nucleus | Phosphoprotein | Ribonucleoprotein | Ribozyme | Rna binding protein-dna-rna complex | Rna binding protein/dna | Rna complex | Rna-binding | Spliceosome

