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==Carbonic Anhydrase IX-mimic Complexed with 2-((3-Aminopropyl)(phenethyl)amino)-N-(4-fluorobenzyl)-N-(4-sulfamoylphenethyl)acetamide== | ==Carbonic Anhydrase IX-mimic Complexed with 2-((3-Aminopropyl)(phenethyl)amino)-N-(4-fluorobenzyl)-N-(4-sulfamoylphenethyl)acetamide== | ||
<StructureSection load='7suy' size='340' side='right'caption='[[7suy]]' scene=''> | <StructureSection load='7suy' size='340' side='right'caption='[[7suy]], [[Resolution|resolution]] 1.41Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7SUY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7SUY FirstGlance]. <br> | <table><tr><td colspan='2'>[[7suy]] 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=7SUY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7SUY FirstGlance]. <br> | ||
</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=7suy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7suy OCA], [https://pdbe.org/7suy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7suy RCSB], [https://www.ebi.ac.uk/pdbsum/7suy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7suy ProSAT]</span></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]] 1.405Å</td></tr> | ||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=C97:N-[(furan-2-yl)methyl]-N-[2-(4-sulfamoylphenyl)ethyl]glycinamide'>C97</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=7suy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7suy OCA], [https://pdbe.org/7suy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7suy RCSB], [https://www.ebi.ac.uk/pdbsum/7suy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7suy ProSAT]</span></td></tr> | |||
</table> | </table> | ||
== Disease == | |||
[https://www.uniprot.org/uniprot/CAH2_HUMAN CAH2_HUMAN] Defects in CA2 are the cause of osteopetrosis autosomal recessive type 3 (OPTB3) [MIM:[https://omim.org/entry/259730 259730]; also known as osteopetrosis with renal tubular acidosis, carbonic anhydrase II deficiency syndrome, Guibaud-Vainsel syndrome or marble brain disease. Osteopetrosis is a rare genetic disease characterized by abnormally dense bone, due to defective resorption of immature bone. The disorder occurs in two forms: a severe autosomal recessive form occurring in utero, infancy, or childhood, and a benign autosomal dominant form occurring in adolescence or adulthood. Autosomal recessive osteopetrosis is usually associated with normal or elevated amount of non-functional osteoclasts. OPTB3 is associated with renal tubular acidosis, cerebral calcification (marble brain disease) and in some cases with mental retardation.<ref>PMID:1928091</ref> <ref>PMID:1542674</ref> <ref>PMID:8834238</ref> <ref>PMID:9143915</ref> <ref>PMID:15300855</ref> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/CAH2_HUMAN CAH2_HUMAN] Essential for bone resorption and osteoclast differentiation (By similarity). Reversible hydration of carbon dioxide. Can hydrate cyanamide to urea. Involved in the regulation of fluid secretion into the anterior chamber of the eye.<ref>PMID:10550681</ref> <ref>PMID:11831900</ref> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
Human (h) carbonic anhydrase (CAs, EC 4.2.1.1) isoforms IX and XII were recently confirmed as anticancer targets against solid hypoxic tumours. The "three-tails approach" has been proposed as an extension of the forerunner "tail" and "dual-tail approach" to fully exploit the amino acid differences at the medium/outer active site rims among different hCAs and to obtain more isoform-selective inhibitors. Many three-tailed inhibitors (TTIs) showed higher selectivity against the tumour-associated isoforms hCA IX and XII with respect to the off-targets hCA I and II. X-ray crystallography studies were performed to investigate the binding mode of four TTIs in complex with a hCA IX mimic. The ability of the most potent and selective TTIs to reduce in vitro the viability of colon cancer (HT29), prostate adenocarcinoma (PC3), and breast cancer (ZR75-1) cell lines was evaluated in normoxic (21% O2) and hypoxic (3% O2) conditions demonstrating relevant anti-proliferative effects. | |||
The three-tails approach as a new strategy to improve selectivity of action of sulphonamide inhibitors against tumour-associated carbonic anhydrase IX and XII.,Bonardi A, Bua S, Combs J, Lomelino C, Andring J, Osman SM, Toti A, Di Cesare Mannelli L, Gratteri P, Ghelardini C, McKenna R, Nocentini A, Supuran CT J Enzyme Inhib Med Chem. 2022 Dec;37(1):930-939. doi:, 10.1080/14756366.2022.2053526. PMID:35306936<ref>PMID:35306936</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 7suy" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[Carbonic anhydrase 3D structures|Carbonic anhydrase 3D structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: Homo sapiens]] | |||
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Combs JE]] | [[Category: Combs JE]] | ||
[[Category: McKenna R]] | [[Category: McKenna R]] | ||
Latest revision as of 19:55, 18 October 2023
Carbonic Anhydrase IX-mimic Complexed with 2-((3-Aminopropyl)(phenethyl)amino)-N-(4-fluorobenzyl)-N-(4-sulfamoylphenethyl)acetamideCarbonic Anhydrase IX-mimic Complexed with 2-((3-Aminopropyl)(phenethyl)amino)-N-(4-fluorobenzyl)-N-(4-sulfamoylphenethyl)acetamide
Structural highlights
DiseaseCAH2_HUMAN Defects in CA2 are the cause of osteopetrosis autosomal recessive type 3 (OPTB3) [MIM:259730; also known as osteopetrosis with renal tubular acidosis, carbonic anhydrase II deficiency syndrome, Guibaud-Vainsel syndrome or marble brain disease. Osteopetrosis is a rare genetic disease characterized by abnormally dense bone, due to defective resorption of immature bone. The disorder occurs in two forms: a severe autosomal recessive form occurring in utero, infancy, or childhood, and a benign autosomal dominant form occurring in adolescence or adulthood. Autosomal recessive osteopetrosis is usually associated with normal or elevated amount of non-functional osteoclasts. OPTB3 is associated with renal tubular acidosis, cerebral calcification (marble brain disease) and in some cases with mental retardation.[1] [2] [3] [4] [5] FunctionCAH2_HUMAN Essential for bone resorption and osteoclast differentiation (By similarity). Reversible hydration of carbon dioxide. Can hydrate cyanamide to urea. Involved in the regulation of fluid secretion into the anterior chamber of the eye.[6] [7] Publication Abstract from PubMedHuman (h) carbonic anhydrase (CAs, EC 4.2.1.1) isoforms IX and XII were recently confirmed as anticancer targets against solid hypoxic tumours. The "three-tails approach" has been proposed as an extension of the forerunner "tail" and "dual-tail approach" to fully exploit the amino acid differences at the medium/outer active site rims among different hCAs and to obtain more isoform-selective inhibitors. Many three-tailed inhibitors (TTIs) showed higher selectivity against the tumour-associated isoforms hCA IX and XII with respect to the off-targets hCA I and II. X-ray crystallography studies were performed to investigate the binding mode of four TTIs in complex with a hCA IX mimic. The ability of the most potent and selective TTIs to reduce in vitro the viability of colon cancer (HT29), prostate adenocarcinoma (PC3), and breast cancer (ZR75-1) cell lines was evaluated in normoxic (21% O2) and hypoxic (3% O2) conditions demonstrating relevant anti-proliferative effects. The three-tails approach as a new strategy to improve selectivity of action of sulphonamide inhibitors against tumour-associated carbonic anhydrase IX and XII.,Bonardi A, Bua S, Combs J, Lomelino C, Andring J, Osman SM, Toti A, Di Cesare Mannelli L, Gratteri P, Ghelardini C, McKenna R, Nocentini A, Supuran CT J Enzyme Inhib Med Chem. 2022 Dec;37(1):930-939. doi:, 10.1080/14756366.2022.2053526. PMID:35306936[8] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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