6jvo

From Proteopedia

(Difference between revisions)

Current revision

Crystal structure of human MTH1 in complex with compound MI1022

Structural highlights

6jvo is a 2 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 1.902Å
Ligands:
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

8ODP_HUMAN Antimutagenic. Acts as a sanitizing enzyme for oxidized nucleotide pools, thus suppressing cell dysfunction and death induced by oxidative stress. Hydrolyzes 8-oxo-dGTP, 8-oxo-dATP and 2-OH-dATP, thus preventing misincorporation of oxidized purine nucleoside triphosphates into DNA and subsequently preventing A:T to C:G and G:C to T:A transversions. Able to hydrolyze also the corresponding ribonucleotides, 2-OH-ATP, 8-oxo-GTP and 8-oxo-ATP.^[1] ^[2] ^[3] ^[4] ^[5]

Publication Abstract from PubMed

MutT Homolog 1 (MTH1) has been proven to hydrolyze oxidized nucleotide triphosphates during DNA repair. It can prevent the incorporation of wrong nucleotides during DNA replication and mitigate cell apoptosis. In a cancer cell, abundant reactive oxygen species can lead to substantial DNA damage and DNA mutations by base-pairing mismatch. MTH1 could eliminate oxidized dNTP and prevent cancer cells from entering cell death. Therefore, inhibition of MTH1 activity is considered to be an anti-cancer therapeutic target. In this study, high-throughput screening techniques were combined with a fragment-based library containing 2,313 compounds, which were used to screen for lead compounds with MTH1 inhibitor activity. Four compounds with MTH1 inhibitor ability were selected, and compound MI0639 was found to have the highest effective inhibition. To discover the selectivity and specificity of this action, several derivatives based on the MTH1 and MI0639 complex structure were synthesized. We compared 14 complex structures of MTH1 and the various compounds in combination with enzymatic inhibition and thermodynamic analysis. Nanomolar-range IC50 inhibition abilities by enzyme kinetics and Kd values by thermodynamic analysis were obtained for two compounds, named MI1020 and MI1024. Based on structural information and compound optimization, we aim to provide a strategy for the development of MTH1 inhibitors with high selectivity and specificity.

Inhibitor development of MTH1 via high-throughput screening with fragment based library and MTH1 substrate binding cavity.,Peng C, Li YH, Yu CW, Cheng ZH, Liu JR, Hsu JL, Hsin LW, Huang CT, Juan HF, Chern JW, Cheng YS Bioorg Chem. 2021 May;110:104813. doi: 10.1016/j.bioorg.2021.104813. Epub 2021, Mar 10. PMID:33774493^[6]

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

References

↑ Fujikawa K, Kamiya H, Yakushiji H, Fujii Y, Nakabeppu Y, Kasai H. The oxidized forms of dATP are substrates for the human MutT homologue, the hMTH1 protein. J Biol Chem. 1999 Jun 25;274(26):18201-5. PMID:10373420
↑ Fujii Y, Shimokawa H, Sekiguchi M, Nakabeppu Y. Functional significance of the conserved residues for the 23-residue module among MTH1 and MutT family proteins. J Biol Chem. 1999 Dec 31;274(53):38251-9. PMID:10608900
↑ Fujikawa K, Kamiya H, Yakushiji H, Nakabeppu Y, Kasai H. Human MTH1 protein hydrolyzes the oxidized ribonucleotide, 2-hydroxy-ATP. Nucleic Acids Res. 2001 Jan 15;29(2):449-54. PMID:11139615
↑ Yoshimura D, Sakumi K, Ohno M, Sakai Y, Furuichi M, Iwai S, Nakabeppu Y. An oxidized purine nucleoside triphosphatase, MTH1, suppresses cell death caused by oxidative stress. J Biol Chem. 2003 Sep 26;278(39):37965-73. Epub 2003 Jul 10. PMID:12857738 doi:10.1074/jbc.M306201200
↑ Takagi Y, Setoyama D, Ito R, Kamiya H, Yamagata Y, Sekiguchi M. Human MTH3 (NUDT18) protein hydrolyzes oxidized forms of guanosine and deoxyguanosine diphosphates: comparison with MTH1 and MTH2. J Biol Chem. 2012 Jun 15;287(25):21541-9. doi: 10.1074/jbc.M112.363010. Epub 2012, May 3. PMID:22556419 doi:10.1074/jbc.M112.363010
↑ Peng C, Li YH, Yu CW, Cheng ZH, Liu JR, Hsu JL, Hsin LW, Huang CT, Juan HF, Chern JW, Cheng YS. Inhibitor development of MTH1 via high-throughput screening with fragment based library and MTH1 substrate binding cavity. Bioorg Chem. 2021 May;110:104813. doi: 10.1016/j.bioorg.2021.104813. Epub 2021, Mar 10. PMID:33774493 doi:http://dx.doi.org/10.1016/j.bioorg.2021.104813

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/6jvo"

Categories: Homo sapiens | Large Structures | Cheng YS | Li YH | Peng C

@@ Line 3: / Line 3: @@
 <StructureSection load='6jvo' size='340' side='right'caption='[[6jvo]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[6jvo]] is a 2 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=6JVO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6JVO FirstGlance]. <br>
+<table><tr><td colspan='2'>[[6jvo]] is a 2 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=6JVO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6JVO FirstGlance]. <br>
-</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CJ6:N4-cyclopropyl-6-(4-methylpiperazin-1-yl)pyrimidine-2,4-diamine'>CJ6</scene></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]] 1.902&#8491;</td></tr>
-<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NUDT1, MTH1 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
+<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CJ6:N4-cyclopropyl-6-(4-methylpiperazin-1-yl)pyrimidine-2,4-diamine'>CJ6</scene></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=6jvo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6jvo OCA], [https://pdbe.org/6jvo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6jvo RCSB], [https://www.ebi.ac.uk/pdbsum/6jvo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6jvo ProSAT]</span></td></tr>
 </table>
 == Function ==
-[[https://www.uniprot.org/uniprot/8ODP_HUMAN 8ODP_HUMAN]] Antimutagenic. Acts as a sanitizing enzyme for oxidized nucleotide pools, thus suppressing cell dysfunction and death induced by oxidative stress. Hydrolyzes 8-oxo-dGTP, 8-oxo-dATP and 2-OH-dATP, thus preventing misincorporation of oxidized purine nucleoside triphosphates into DNA and subsequently preventing A:T to C:G and G:C to T:A transversions. Able to hydrolyze also the corresponding ribonucleotides, 2-OH-ATP, 8-oxo-GTP and 8-oxo-ATP.<ref>PMID:10373420</ref> <ref>PMID:10608900</ref> <ref>PMID:11139615</ref> <ref>PMID:12857738</ref> <ref>PMID:22556419</ref>
+[https://www.uniprot.org/uniprot/8ODP_HUMAN 8ODP_HUMAN] Antimutagenic. Acts as a sanitizing enzyme for oxidized nucleotide pools, thus suppressing cell dysfunction and death induced by oxidative stress. Hydrolyzes 8-oxo-dGTP, 8-oxo-dATP and 2-OH-dATP, thus preventing misincorporation of oxidized purine nucleoside triphosphates into DNA and subsequently preventing A:T to C:G and G:C to T:A transversions. Able to hydrolyze also the corresponding ribonucleotides, 2-OH-ATP, 8-oxo-GTP and 8-oxo-ATP.<ref>PMID:10373420</ref> <ref>PMID:10608900</ref> <ref>PMID:11139615</ref> <ref>PMID:12857738</ref> <ref>PMID:22556419</ref>
 <div style="background-color:#fffaf0;">
 == Publication Abstract from PubMed ==
@@ Line 26: / Line 26: @@
 __TOC__
 </StructureSection>
-[[Category: Human]]
+[[Category: Homo sapiens]]
 [[Category: Large Structures]]
-[[Category: Cheng, Y S]]
+[[Category: Cheng YS]]
-[[Category: Li, Y H]]
+[[Category: Li YH]]
-[[Category: Peng, C]]
+[[Category: Peng C]]
-[[Category: 8-oxo-dgtp]]
-[[Category: Hydrolase]]
-[[Category: Inhibitor development]]
-[[Category: Mth1]]
-[[Category: Oxidative dna damage]]

6jvo

From Proteopedia

Current revision

Crystal structure of human MTH1 in complex with compound MI1022

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