1kq9

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<StructureSection load='1kq9' size='340' side='right'caption='[[1kq9]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='1kq9' size='340' side='right'caption='[[1kq9]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1kq9]] is a 1 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=1KQ9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KQ9 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1kq9]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KQ9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KQ9 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MET:METHIONINE'>MET</scene>, <scene name='pdbligand=TBU:TERTIARY-BUTYL+ALCOHOL'>TBU</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1kq0|1kq0]]</div></td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MET:METHIONINE'>MET</scene>, <scene name='pdbligand=TBU:TERTIARY-BUTYL+ALCOHOL'>TBU</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Methionyl_aminopeptidase Methionyl aminopeptidase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.11.18 3.4.11.18] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1kq9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kq9 OCA], [https://pdbe.org/1kq9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kq9 RCSB], [https://www.ebi.ac.uk/pdbsum/1kq9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kq9 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1kq9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1kq9 OCA], [https://pdbe.org/1kq9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1kq9 RCSB], [https://www.ebi.ac.uk/pdbsum/1kq9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1kq9 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/AMPM2_HUMAN AMPM2_HUMAN]] Removes the N-terminal methionine from nascent proteins. The catalytic activity of human METAP2 toward Met-Val peptides is consistently two orders of magnitude higher than that of METAP1, suggesting that it is responsible for processing proteins containing N-terminal Met-Val and Met-Thr sequences in vivo.<ref>PMID:2511207</ref> <ref>PMID:20521764</ref> <ref>PMID:14534293</ref> <ref>PMID:17636946</ref> Protects eukaryotic initiation factor EIF2S1 from translation-inhibiting phosphorylation by inhibitory kinases such as EIF2AK2/PKR and EIF2AK1/HCR. Plays a critical role in the regulation of protein synthesis.<ref>PMID:2511207</ref> <ref>PMID:20521764</ref> <ref>PMID:14534293</ref> <ref>PMID:17636946</ref>
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[https://www.uniprot.org/uniprot/MAP2_HUMAN MAP2_HUMAN] Cotranslationally removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met-Ala-, Cys, Gly, Pro, Ser, Thr, or Val). The catalytic activity of human METAP2 toward Met-Val peptides is consistently two orders of magnitude higher than that of METAP1, suggesting that it is responsible for processing proteins containing N-terminal Met-Val and Met-Thr sequences in vivo. Protects eukaryotic initiation factor EIF2S1 from translation-inhibiting phosphorylation by inhibitory kinases such as EIF2AK2/PKR and EIF2AK1/HCR. Plays a critical role in the regulation of protein synthesis.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Methionyl aminopeptidase]]
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[[Category: Clardy J]]
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[[Category: Clardy, J]]
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[[Category: Nonato MC]]
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[[Category: Nonato, M C]]
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[[Category: Widom J]]
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[[Category: Widom, J]]
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[[Category: Central b-sheet and two pairs of a-helice]]
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[[Category: Hydrolase]]
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Revision as of 09:02, 16 August 2023

Human methionine aminopeptidase type II in complex with L-methionine

PDB ID 1kq9

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