8eqb

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[8eqb]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Lama_glama Lama glama]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8EQB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8EQB FirstGlance]. <br>
<table><tr><td colspan='2'>[[8eqb]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Lama_glama Lama glama]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8EQB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8EQB FirstGlance]. <br>
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</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=8eqb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8eqb OCA], [https://pdbe.org/8eqb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8eqb RCSB], [https://www.ebi.ac.uk/pdbsum/8eqb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8eqb ProSAT]</span></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">Electron Microscopy, [[Resolution|Resolution]] 6.5&#8491;</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=8eqb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8eqb OCA], [https://pdbe.org/8eqb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8eqb RCSB], [https://www.ebi.ac.uk/pdbsum/8eqb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8eqb ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[https://www.uniprot.org/uniprot/TET5C_HUMAN TET5C_HUMAN] Nucleotidyltransferase that act as a non-canonical poly(A) RNA polymerase which enhances mRNA stability and gene expression. Mainly targets mRNAs encoding endoplasmic reticulum-targeted protein and may be involved in induction of cell death.<ref>PMID:27060136</ref> <ref>PMID:28931820</ref> (Microbial infection) Seems to enhance replication of some viruses, including yellow fever virus, in response to type I interferon.<ref>PMID:21478870</ref>
[https://www.uniprot.org/uniprot/TET5C_HUMAN TET5C_HUMAN] Nucleotidyltransferase that act as a non-canonical poly(A) RNA polymerase which enhances mRNA stability and gene expression. Mainly targets mRNAs encoding endoplasmic reticulum-targeted protein and may be involved in induction of cell death.<ref>PMID:27060136</ref> <ref>PMID:28931820</ref> (Microbial infection) Seems to enhance replication of some viruses, including yellow fever virus, in response to type I interferon.<ref>PMID:21478870</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The FAM46 (also known as TENT5) proteins are noncanonical poly(A) polymerases (PAPs) implicated in regulating RNA stability. The regulatory mechanisms of FAM46 are poorly understood. Here, we report that the nuclear protein BCCIPalpha, but not the alternatively spliced isoform BCCIPbeta, binds FAM46 and inhibits their PAP activity. Unexpectedly, our structures of the FAM46A/BCCIPalpha and FAM46C/BCCIPalpha complexes show that, despite sharing most of the sequence and differing only at the C-terminal portion, BCCIPalpha adopts a unique structure completely different from BCCIPbeta. The distinct C-terminal segment of BCCIPalpha supports the adoption of the unique fold but does not directly interact with FAM46. The beta sheets in BCCIPalpha and FAM46 pack side by side to form an extended beta sheet. A helix-loop-helix segment in BCCIPalpha inserts into the active site cleft of FAM46, thereby inhibiting the PAP activity. Our results together show that the unique fold of BCCIPalpha underlies its interaction with and functional regulation of FAM46.
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Inhibition of FAM46/TENT5 activity by BCCIPalpha adopting a unique fold.,Liu S, Chen H, Yin Y, Lu D, Gao G, Li J, Bai XC, Zhang X Sci Adv. 2023 Apr 5;9(14):eadf5583. doi: 10.1126/sciadv.adf5583. Epub 2023 Apr 5. PMID:37018411<ref>PMID:37018411</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 8eqb" style="background-color:#fffaf0;"></div>
== References ==
== References ==
<references/>
<references/>

Current revision

FAM46C/BCCIPalpha/Nanobody complex

PDB ID 8eqb

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