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.

5xzv

From Proteopedia

(Difference between revisions)

Jump to: navigation, search

Revision as of 07:01, 14 October 2020

Crystal structure of Rad53 1-466 in complex with AMP-PNP

Structural highlights

5xzv is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Activity:	Dual-specificity kinase, with EC number 2.7.12.1
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[RAD53_YEAST] Controls S-phase checkpoint as well as G1 and G2 DNA damage checkpoints. Phosphorylates proteins on serine, threonine, and tyrosine. Prevents entry into anaphase and mitotic exit after DNA damage via regulation of the Polo kinase CDC5. Seems to be involved in the phosphorylation of RPH1.^[1] ^[2] ^[3] ^[4] ^[5]

Publication Abstract from PubMed

The vast majority of in vitro structural and functional studies of the activation mechanism of protein kinases use the kinase domain alone. Well-demonstrated effects of regulatory domains or allosteric factors are scarce for serine/threonine kinases. Here we use a site-specifically phosphorylated SCD1-FHA1-kinase three-domain construct of the serine/threonine kinase Rad53 to show the effect of phospho-priming, an in vivo regulatory mechanism, on the autophosphorylation intermediate and specificity. Unphosphorylated Rad53 is a flexible monomer in solution but is captured in an asymmetric enzyme:substrate complex in crystal with the two FHA domains separated from each other. Phospho-priming induces formation of a stable dimer via intermolecular pT-FHA binding in solution. Importantly, autophosphorylation of unprimed and phospho-primed Rad53 produced predominantly inactive pS350-Rad53 and active pT354-Rad53, respectively. The latter mechanism was also demonstrated in vivo. Our results show that, while Rad53 can display active conformations under various conditions, simulation of in vivo regulatory conditions confers functionally relevant autophosphorylation.

Phospho-Priming Confers Functionally Relevant Specificities for Rad53 Kinase Autophosphorylation.,Chen ES, Weng JH, Chen YH, Wang SC, Liu XX, Huang WC, Matsui T, Kawano Y, Liao JH, Lim LH, Bessho Y, Huang KF, Wu WJ, Tsai MD Biochemistry. 2017 Sep 26;56(38):5112-5124. doi: 10.1021/acs.biochem.7b00689., Epub 2017 Sep 15. PMID:28858528^[6]

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

References

↑ Zheng P, Fay DS, Burton J, Xiao H, Pinkham JL, Stern DF. SPK1 is an essential S-phase-specific gene of Saccharomyces cerevisiae that encodes a nuclear serine/threonine/tyrosine kinase. Mol Cell Biol. 1993 Sep;13(9):5829-42. PMID:8355715
↑ Allen JB, Zhou Z, Siede W, Friedberg EC, Elledge SJ. The SAD1/RAD53 protein kinase controls multiple checkpoints and DNA damage-induced transcription in yeast. Genes Dev. 1994 Oct 15;8(20):2401-15. PMID:7958905
↑ Sanchez Y, Bachant J, Wang H, Hu F, Liu D, Tetzlaff M, Elledge SJ. Control of the DNA damage checkpoint by chk1 and rad53 protein kinases through distinct mechanisms. Science. 1999 Nov 5;286(5442):1166-71. PMID:10550056
↑ Kim EM, Jang YK, Park SD. Phosphorylation of Rph1, a damage-responsive repressor of PHR1 in Saccharomyces cerevisiae, is dependent upon Rad53 kinase. Nucleic Acids Res. 2002 Feb 1;30(3):643-8. PMID:11809875
↑ Pike BL, Yongkiettrakul S, Tsai MD, Heierhorst J. Mdt1, a novel Rad53 FHA1 domain-interacting protein, modulates DNA damage tolerance and G(2)/M cell cycle progression in Saccharomyces cerevisiae. Mol Cell Biol. 2004 Apr;24(7):2779-88. PMID:15024067
↑ Chen ES, Weng JH, Chen YH, Wang SC, Liu XX, Huang WC, Matsui T, Kawano Y, Liao JH, Lim LH, Bessho Y, Huang KF, Wu WJ, Tsai MD. Phospho-Priming Confers Functionally Relevant Specificities for Rad53 Kinase Autophosphorylation. Biochemistry. 2017 Sep 26;56(38):5112-5124. doi: 10.1021/acs.biochem.7b00689., Epub 2017 Sep 15. PMID:28858528 doi:http://dx.doi.org/10.1021/acs.biochem.7b00689

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

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/5xzv"

@@ Line 1: / Line 1: @@
 ==Crystal structure of Rad53 1-466 in complex with AMP-PNP==
-<StructureSection load='5xzv' size='340' side='right' caption='[[5xzv]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
+<StructureSection load='5xzv' size='340' side='right'caption='[[5xzv]], [[Resolution|resolution]] 3.10&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[5xzv]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XZV OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5XZV FirstGlance]. <br>
+<table><tr><td colspan='2'>[[5xzv]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5XZV OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=5XZV FirstGlance]. <br>
-</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene></td></tr>
+</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene></td></tr>
 <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Dual-specificity_kinase Dual-specificity kinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.12.1 2.7.12.1] </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=5xzv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xzv OCA], [http://pdbe.org/5xzv PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5xzv RCSB], [http://www.ebi.ac.uk/pdbsum/5xzv PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5xzv ProSAT]</span></td></tr>
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=5xzv FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5xzv OCA], [http://pdbe.org/5xzv PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5xzv RCSB], [http://www.ebi.ac.uk/pdbsum/5xzv PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5xzv ProSAT]</span></td></tr>
 </table>
 == Function ==
@@ Line 19: / Line 19: @@
 </div>
 <div class="pdbe-citations 5xzv" style="background-color:#fffaf0;"></div>
+==See Also==
+*[[Protein kinase Spk1|Protein kinase Spk1]]
 == References ==
 <references/>
@@ Line 24: / Line 27: @@
 </StructureSection>
 [[Category: Dual-specificity kinase]]
+[[Category: Large Structures]]
 [[Category: Tsai, M D]]
 [[Category: Weng, J H]]

5xzv

From Proteopedia

Revision as of 07:01, 14 October 2020

Crystal structure of Rad53 1-466 in complex with AMP-PNP

Structural highlights

Function

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

Personal tools

Navigation

Search

Toolbox