6nif

From Proteopedia

(Difference between revisions)

Current revision

crystal structure of human REV7-RAN complex

Structural highlights

6nif is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 2.002Å
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

RAN_HUMAN GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). The complex with BIRC5/ survivin plays a role in mitotic spindle formation by serving as a physical scaffold to help deliver the RAN effector molecule TPX2 to microtubules. Acts as a negative regulator of the kinase activity of VRK1 and VRK2.^[1] ^[2] ^[3] ^[4] Enhances AR-mediated transactivation. Transactivation decreases as the poly-Gln length within AR increases.^[5] ^[6] ^[7] ^[8] MD2L2_HUMAN Adapter protein able to interact with different proteins and involved in different biological processes. Mediates the interaction between the error-prone DNA polymerase zeta catalytic subunit REV3L and the inserter polymerase REV1, thereby mediating the second polymerase switching in translesion DNA synthesis. Translesion DNA synthesis releases the replication blockade of replicative polymerases, stalled in presence of DNA lesions. May also regulate another aspect of cellular response to DNA damage through regulation of the JNK-mediated phosphorylation and activation of the transcriptional activator ELK1. Inhibits the FZR1- and probably CDC20-mediated activation of the anaphase promoting complex APC thereby regulating progression through the cell cycle. Regulates TCF7L2-mediated gene transcription and may play a role in epithelial-mesenchymal transdifferentiation.^[9] ^[10] ^[11] ^[12] ^[13]

Publication Abstract from PubMed

REV7, also termed mitotic arrest-deficient 2-like 2 (MAD2L2 or MAD2B), acts as an interaction module in a broad array of cellular pathways, including translesion DNA synthesis, cell cycle control, and nonhomologous end joining. Numerous REV7 binding partners have been identified, including the human small GTPase Ras-associated nuclear protein (RAN), which acts as a potential upstream regulator of REV7. Notably, the Shigella invasin IpaB hijacks REV7 to disrupt cell cycle control to prevent intestinal epithelial cell renewal and facilitate bacterial colonization. However, the structural details of the REV7-RAN and REV7-IpaB interactions are mostly unknown. Here, using fusion protein and rigid maltose-binding protein tagging strategies, we determined the crystal structures of these two complexes at 2.00-2.35 A resolutions. The structures revealed that both RAN and IpaB fragments bind the "safety belt" region of REV7, inducing rearrangement of the C-terminal beta-sheet region of REV7, conserved among REV7-related complexes. Of note, the REV7-binding motifs of RAN and IpaB each displayed some unique interactions with REV7 despite sharing consensus residues. Structural alignments revealed that REV7 has an adaptor region within the safety belt region that can rearrange secondary structures to fit a variety of different ligands. Our structural and biochemical results further indicated that REV7 preferentially binds GTP-bound RAN, implying that a GTP/GDP-bound transition of RAN may serve as the molecular switch that controls REV7's activity. These results provide insights into the regulatory mechanism of REV7 in cell cycle control, which may help with the development of small-molecule inhibitors that target REV7 activity.

REV7 has a dynamic adaptor region to accommodate small GTPase RAN/Shigella IpaB ligands, and its activity is regulated by the RanGTP/GDP switch.,Wang X, Pernicone N, Pertz L, Hua D, Zhang T, Listovsky T, Xie W J Biol Chem. 2019 Oct 25;294(43):15733-15742. doi: 10.1074/jbc.RA119.010123. Epub, 2019 Sep 4. PMID:31484720^[14]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Hsiao PW, Lin DL, Nakao R, Chang C. The linkage of Kennedy's neuron disease to ARA24, the first identified androgen receptor polyglutamine region-associated coactivator. J Biol Chem. 1999 Jul 16;274(29):20229-34. PMID:10400640
↑ Moroianu J, Blobel G, Radu A. Nuclear protein import: Ran-GTP dissociates the karyopherin alphabeta heterodimer by displacing alpha from an overlapping binding site on beta. Proc Natl Acad Sci U S A. 1996 Jul 9;93(14):7059-62. PMID:8692944
↑ Xia F, Canovas PM, Guadagno TM, Altieri DC. A survivin-ran complex regulates spindle formation in tumor cells. Mol Cell Biol. 2008 Sep;28(17):5299-311. Epub 2008 Jun 30. PMID:18591255 doi:10.1128/MCB.02039-07
↑ Sanz-Garcia M, Lopez-Sanchez I, Lazo PA. Proteomics identification of nuclear Ran GTPase as an inhibitor of human VRK1 and VRK2 (vaccinia-related kinase) activities. Mol Cell Proteomics. 2008 Nov;7(11):2199-214. doi: 10.1074/mcp.M700586-MCP200., Epub 2008 Jul 9. PMID:18617507 doi:10.1074/mcp.M700586-MCP200
↑ Hsiao PW, Lin DL, Nakao R, Chang C. The linkage of Kennedy's neuron disease to ARA24, the first identified androgen receptor polyglutamine region-associated coactivator. J Biol Chem. 1999 Jul 16;274(29):20229-34. PMID:10400640
↑ Moroianu J, Blobel G, Radu A. Nuclear protein import: Ran-GTP dissociates the karyopherin alphabeta heterodimer by displacing alpha from an overlapping binding site on beta. Proc Natl Acad Sci U S A. 1996 Jul 9;93(14):7059-62. PMID:8692944
↑ Xia F, Canovas PM, Guadagno TM, Altieri DC. A survivin-ran complex regulates spindle formation in tumor cells. Mol Cell Biol. 2008 Sep;28(17):5299-311. Epub 2008 Jun 30. PMID:18591255 doi:10.1128/MCB.02039-07
↑ Sanz-Garcia M, Lopez-Sanchez I, Lazo PA. Proteomics identification of nuclear Ran GTPase as an inhibitor of human VRK1 and VRK2 (vaccinia-related kinase) activities. Mol Cell Proteomics. 2008 Nov;7(11):2199-214. doi: 10.1074/mcp.M700586-MCP200., Epub 2008 Jul 9. PMID:18617507 doi:10.1074/mcp.M700586-MCP200
↑ Pfleger CM, Salic A, Lee E, Kirschner MW. Inhibition of Cdh1-APC by the MAD2-related protein MAD2L2: a novel mechanism for regulating Cdh1. Genes Dev. 2001 Jul 15;15(14):1759-64. PMID:11459825 doi:10.1101/gad.897901
↑ Chen J, Fang G. MAD2B is an inhibitor of the anaphase-promoting complex. Genes Dev. 2001 Jul 15;15(14):1765-70. PMID:11459826 doi:10.1101/gad.898701
↑ Iwai H, Kim M, Yoshikawa Y, Ashida H, Ogawa M, Fujita Y, Muller D, Kirikae T, Jackson PK, Kotani S, Sasakawa C. A bacterial effector targets Mad2L2, an APC inhibitor, to modulate host cell cycling. Cell. 2007 Aug 24;130(4):611-23. PMID:17719540 doi:10.1016/j.cell.2007.06.043
↑ Zhang L, Yang SH, Sharrocks AD. Rev7/MAD2B links c-Jun N-terminal protein kinase pathway signaling to activation of the transcription factor Elk-1. Mol Cell Biol. 2007 Apr;27(8):2861-9. Epub 2007 Feb 12. PMID:17296730 doi:10.1128/MCB.02276-06
↑ Hong CF, Chou YT, Lin YS, Wu CW. MAD2B, a novel TCF4-binding protein, modulates TCF4-mediated epithelial-mesenchymal transdifferentiation. J Biol Chem. 2009 Jul 17;284(29):19613-22. doi: 10.1074/jbc.M109.005017. Epub, 2009 May 14. PMID:19443654 doi:10.1074/jbc.M109.005017
↑ Wang X, Pernicone N, Pertz L, Hua D, Zhang T, Listovsky T, Xie W. REV7 has a dynamic adaptor region to accommodate small GTPase RAN/Shigella IpaB ligands, and its activity is regulated by the RanGTP/GDP switch. J Biol Chem. 2019 Oct 25;294(43):15733-15742. doi: 10.1074/jbc.RA119.010123. Epub, 2019 Sep 4. PMID:31484720 doi:http://dx.doi.org/10.1074/jbc.RA119.010123

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/6nif"

@@ Line 3: / Line 3: @@
 <StructureSection load='6nif' size='340' side='right'caption='[[6nif]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[6nif]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6NIF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6NIF FirstGlance]. <br>
+<table><tr><td colspan='2'>[[6nif]] 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=6NIF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6NIF FirstGlance]. <br>
-</td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">REV3L, POLZ, REV3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.002&#8491;</td></tr>
-<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_DNA_polymerase DNA-directed DNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.7 2.7.7.7] </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=6nif FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nif OCA], [https://pdbe.org/6nif PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6nif RCSB], [https://www.ebi.ac.uk/pdbsum/6nif PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6nif ProSAT]</span></td></tr>
-<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=6nif FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6nif OCA], [http://pdbe.org/6nif PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6nif RCSB], [http://www.ebi.ac.uk/pdbsum/6nif PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6nif ProSAT]</span></td></tr>
 </table>
 == Function ==
-[[http://www.uniprot.org/uniprot/MD2L2_HUMAN MD2L2_HUMAN]] Adapter protein able to interact with different proteins and involved in different biological processes. Mediates the interaction between the error-prone DNA polymerase zeta catalytic subunit REV3L and the inserter polymerase REV1, thereby mediating the second polymerase switching in translesion DNA synthesis. Translesion DNA synthesis releases the replication blockade of replicative polymerases, stalled in presence of DNA lesions. May also regulate another aspect of cellular response to DNA damage through regulation of the JNK-mediated phosphorylation and activation of the transcriptional activator ELK1. Inhibits the FZR1- and probably CDC20-mediated activation of the anaphase promoting complex APC thereby regulating progression through the cell cycle. Regulates TCF7L2-mediated gene transcription and may play a role in epithelial-mesenchymal transdifferentiation.<ref>PMID:11459825</ref> <ref>PMID:11459826</ref> <ref>PMID:17719540</ref> <ref>PMID:17296730</ref> <ref>PMID:19443654</ref>
+[https://www.uniprot.org/uniprot/RAN_HUMAN RAN_HUMAN] GTP-binding protein involved in nucleocytoplasmic transport. Required for the import of protein into the nucleus and also for RNA export. Involved in chromatin condensation and control of cell cycle (By similarity). The complex with BIRC5/ survivin plays a role in mitotic spindle formation by serving as a physical scaffold to help deliver the RAN effector molecule TPX2 to microtubules. Acts as a negative regulator of the kinase activity of VRK1 and VRK2.<ref>PMID:10400640</ref> <ref>PMID:8692944</ref> <ref>PMID:18591255</ref> <ref>PMID:18617507</ref>   Enhances AR-mediated transactivation. Transactivation decreases as the poly-Gln length within AR increases.<ref>PMID:10400640</ref> <ref>PMID:8692944</ref> <ref>PMID:18591255</ref> <ref>PMID:18617507</ref> [https://www.uniprot.org/uniprot/MD2L2_HUMAN MD2L2_HUMAN] Adapter protein able to interact with different proteins and involved in different biological processes. Mediates the interaction between the error-prone DNA polymerase zeta catalytic subunit REV3L and the inserter polymerase REV1, thereby mediating the second polymerase switching in translesion DNA synthesis. Translesion DNA synthesis releases the replication blockade of replicative polymerases, stalled in presence of DNA lesions. May also regulate another aspect of cellular response to DNA damage through regulation of the JNK-mediated phosphorylation and activation of the transcriptional activator ELK1. Inhibits the FZR1- and probably CDC20-mediated activation of the anaphase promoting complex APC thereby regulating progression through the cell cycle. Regulates TCF7L2-mediated gene transcription and may play a role in epithelial-mesenchymal transdifferentiation.<ref>PMID:11459825</ref> <ref>PMID:11459826</ref> <ref>PMID:17719540</ref> <ref>PMID:17296730</ref> <ref>PMID:19443654</ref>
 <div style="background-color:#fffaf0;">
 == Publication Abstract from PubMed ==
@@ Line 23: / Line 22: @@
 __TOC__
 </StructureSection>
-[[Category: DNA-directed DNA polymerase]]
+[[Category: Homo sapiens]]
-[[Category: Human]]
 [[Category: Large Structures]]
-[[Category: Hua, D P]]
+[[Category: Hua DP]]
-[[Category: Listovsky, T]]
+[[Category: Listovsky T]]
-[[Category: Pertz, L]]
+[[Category: Pertz L]]
-[[Category: Wang, X]]
+[[Category: Wang X]]
-[[Category: Xie, W]]
+[[Category: Xie W]]
-[[Category: Zhang, T Q]]
+[[Category: Zhang TQ]]
-[[Category: Cell cycle]]
-[[Category: Mad2l2]]
-[[Category: Small gtpase]]

6nif

From Proteopedia

Current revision

crystal structure of human REV7-RAN complex

Structural highlights

Function

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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