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[[Image:2cw6.png|left|200px]]


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==Crystal Structure of Human HMG-CoA Lyase: Insights into Catalysis and the Molecular Basis for Hydroxymethylglutaric Aciduria==
The line below this paragraph, containing "STRUCTURE_2cw6", creates the "Structure Box" on the page.
<StructureSection load='2cw6' size='340' side='right'caption='[[2cw6]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[2cw6]] is a 6 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=2CW6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2CW6 FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=3HG:3-HYDROXYPENTANEDIOIC+ACID'>3HG</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
{{STRUCTURE_2cw6|  PDB=2cw6  |  SCENE=  }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2cw6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2cw6 OCA], [https://pdbe.org/2cw6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2cw6 RCSB], [https://www.ebi.ac.uk/pdbsum/2cw6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2cw6 ProSAT]</span></td></tr>
 
</table>
===Crystal Structure of Human HMG-CoA Lyase: Insights into Catalysis and the Molecular Basis for Hydroxymethylglutaric Aciduria===
== Disease ==
 
[https://www.uniprot.org/uniprot/HMGCL_HUMAN HMGCL_HUMAN] Defects in HMGCL are the cause of 3-hydroxy-3-methylglutaryl-CoA lyase deficiency (HMGCLD) [MIM:[https://omim.org/entry/246450 246450]; also known as hydroxymethylglutaricaciduria or HL deficiency. An autosomal recessive disease affecting ketogenesis and L-leucine catabolism. The disease usually appears in the first year of life after a fasting period and its clinical acute symptoms include vomiting, seizures, metabolic acidosis, hypoketotic hypoglycemia and lethargy. These symptoms sometimes progress to coma, with fatal outcome in some cases.<ref>PMID:8798725</ref> <ref>PMID:9463337</ref> <ref>PMID:9784232</ref> <ref>PMID:11129331</ref> <ref>PMID:12746442</ref> <ref>PMID:17173698</ref> <ref>PMID:16601870</ref> <ref>PMID:17459752</ref> <ref>PMID:19036343</ref> <ref>PMID:19177531</ref>
 
== Function ==
<!--
[https://www.uniprot.org/uniprot/HMGCL_HUMAN HMGCL_HUMAN] Key enzyme in ketogenesis (ketone body formation). Terminal step in leucine catabolism.<ref>PMID:8566388</ref> <ref>PMID:22865860</ref> <ref>PMID:22847177</ref>
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== Evolutionary Conservation ==
(as it appears on PubMed at http://www.pubmed.gov), where 16330550 is the PubMed ID number.
[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
{{ABSTRACT_PUBMED_16330550}}
  <jmolCheckbox>
 
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cw/2cw6_consurf.spt"</scriptWhenChecked>
==About this Structure==
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
2CW6 is a 6 chains structure of sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2CW6 OCA].  
    <text>to colour the structure by Evolutionary Conservation</text>
 
  </jmolCheckbox>
==Reference==
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2cw6 ConSurf].
<ref group="xtra">PMID:16330550</ref><references group="xtra"/>
<div style="clear:both"></div>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Hydroxymethylglutaryl-CoA lyase]]
[[Category: Large Structures]]
[[Category: Fu, Z.]]
[[Category: Fu Z]]
[[Category: Hunt, J F.]]
[[Category: Hunt JF]]
[[Category: Kim, J J.P.]]
[[Category: Kim J-JP]]
[[Category: Miziorko, H M.]]
[[Category: Miziorko HM]]
[[Category: Runquist, J A.]]
[[Category: Runquist JA]]
[[Category: Hmg-coa lyase]]
[[Category: Ketogenic enzyme]]
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 17:26:09 2009''

Latest revision as of 16:44, 13 March 2024

Crystal Structure of Human HMG-CoA Lyase: Insights into Catalysis and the Molecular Basis for Hydroxymethylglutaric AciduriaCrystal Structure of Human HMG-CoA Lyase: Insights into Catalysis and the Molecular Basis for Hydroxymethylglutaric Aciduria

Structural highlights

2cw6 is a 6 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 2.1Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

HMGCL_HUMAN Defects in HMGCL are the cause of 3-hydroxy-3-methylglutaryl-CoA lyase deficiency (HMGCLD) [MIM:246450; also known as hydroxymethylglutaricaciduria or HL deficiency. An autosomal recessive disease affecting ketogenesis and L-leucine catabolism. The disease usually appears in the first year of life after a fasting period and its clinical acute symptoms include vomiting, seizures, metabolic acidosis, hypoketotic hypoglycemia and lethargy. These symptoms sometimes progress to coma, with fatal outcome in some cases.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10]

Function

HMGCL_HUMAN Key enzyme in ketogenesis (ketone body formation). Terminal step in leucine catabolism.[11] [12] [13]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

References

  1. ↑ Roberts JR, Mitchell GA, Miziorko HM. Modeling of a mutation responsible for human 3-hydroxy-3-methylglutaryl-CoA lyase deficiency implicates histidine 233 as an active site residue. J Biol Chem. 1996 Oct 4;271(40):24604-9. PMID:8798725
  2. ↑ Mitchell GA, Ozand PT, Robert MF, Ashmarina L, Roberts J, Gibson KM, Wanders RJ, Wang S, Chevalier I, Plochl E, Miziorko H. HMG CoA lyase deficiency: identification of five causal point mutations in codons 41 and 42, including a frequent Saudi Arabian mutation, R41Q. Am J Hum Genet. 1998 Feb;62(2):295-300. PMID:9463337 doi:10.1086/301730
  3. ↑ Zapater N, Pie J, Lloberas J, Rolland MO, Leroux B, Vidailhet M, Divry P, Hegardt FG, Casals N. Two missense point mutations in different alleles in the 3-hydroxy-3-methylglutaryl coenzyme A lyase gene produce 3-hydroxy-3-methylglutaric aciduria in a French patient. Arch Biochem Biophys. 1998 Oct 15;358(2):197-203. PMID:9784232 doi:S0003-9861(98)90788-3
  4. ↑ Muroi J, Yorifuji T, Uematsu A, Shigematsu Y, Onigata K, Maruyama H, Nobutoki T, Kitamura A, Nakahata T. Molecular and clinical analysis of Japanese patients with 3-hydroxy-3-methylglutaryl CoA lyase (HL) deficiency. Hum Genet. 2000 Oct;107(4):320-6. PMID:11129331
  5. ↑ Casals N, Gomez-Puertas P, Pie J, Mir C, Roca R, Puisac B, Aledo R, Clotet J, Menao S, Serra D, Asins G, Till J, Elias-Jones AC, Cresto JC, Chamoles NA, Abdenur JE, Mayatepek E, Besley G, Valencia A, Hegardt FG. Structural (betaalpha)8 TIM barrel model of 3-hydroxy-3-methylglutaryl-coenzyme A lyase. J Biol Chem. 2003 Aug 1;278(31):29016-23. Epub 2003 May 13. PMID:12746442 doi:10.1074/jbc.M304276200
  6. ↑ Al-Sayed M, Imtiaz F, Alsmadi OA, Rashed MS, Meyer BF. Mutations underlying 3-hydroxy-3-methylglutaryl CoA lyase deficiency in the Saudi population. BMC Med Genet. 2006 Dec 16;7:86. PMID:17173698 doi:10.1186/1471-2350-7-86
  7. ↑ Mir C, Lopez-Vinas E, Aledo R, Puisac B, Rizzo C, Dionisi-Vici C, Deodato F, Pie J, Gomez-Puertas P, Hegardt FG, Casals N. A single-residue mutation, G203E, causes 3-hydroxy-3-methylglutaric aciduria by occluding the substrate channel in the 3D structural model of HMG-CoA lyase. J Inherit Metab Dis. 2006 Feb;29(1):64-70. PMID:16601870 doi:10.1007/s10545-006-0138-x
  8. ↑ Carrasco P, Menao S, Lopez-Vinas E, Santpere G, Clotet J, Sierra AY, Gratacos E, Puisac B, Gomez-Puertas P, Hegardt FG, Pie J, Casals N. C-terminal end and aminoacid Lys48 in HMG-CoA lyase are involved in substrate binding and enzyme activity. Mol Genet Metab. 2007 Jun;91(2):120-7. Epub 2007 Apr 24. PMID:17459752 doi:10.1016/j.ymgme.2007.03.007
  9. ↑ Lin WD, Wang CH, Lai CC, Tsai Y, Wu JY, Chen CP, Tsai FJ. Molecular analysis of Taiwanese patients with 3-hydroxy-3-methylglutaryl CoA lyase deficiency. Clin Chim Acta. 2009 Mar;401(1-2):33-6. doi: 10.1016/j.cca.2008.11.004. Epub 2008, Nov 12. PMID:19036343 doi:10.1016/j.cca.2008.11.004
  10. ↑ Menao S, Lopez-Vinas E, Mir C, Puisac B, Gratacos E, Arnedo M, Carrasco P, Moreno S, Ramos M, Gil MC, Pie A, Ribes A, Perez-Cerda C, Ugarte M, Clayton PT, Korman SH, Serra D, Asins G, Ramos FJ, Gomez-Puertas P, Hegardt FG, Casals N, Pie J. Ten novel HMGCL mutations in 24 patients of different origin with 3-hydroxy-3-methyl-glutaric aciduria. Hum Mutat. 2009 Mar;30(3):E520-9. doi: 10.1002/humu.20966. PMID:19177531 doi:10.1002/humu.20966
  11. ↑ Holmes HC, Burns SP, Chalmers RA, Bain MS, Iles RA. Ketogenic flux from lipids and leucine, assessment in 3-hydroxy-3-methylglutaryl CoA lyase deficiency. Biochem Soc Trans. 1995 Aug;23(3):489S. PMID:8566388
  12. ↑ Montgomery C, Pei Z, Watkins PA, Miziorko HM. Identification and characterization of an extramitochondrial human 3-hydroxy-3-methylglutaryl-CoA lyase. J Biol Chem. 2012 Sep 28;287(40):33227-36. Epub 2012 Aug 3. PMID:22865860 doi:10.1074/jbc.M112.393231
  13. ↑ Arnedo M, Menao S, Puisac B, Teresa-Rodrigo ME, Gil-Rodriguez MC, Lopez-Vinas E, Gomez-Puertas P, Casals N, Casale CH, Hegardt FG, Pie J. Characterization of a novel HMG-CoA lyase enzyme with a dual location in endoplasmic reticulum and cytosol. J Lipid Res. 2012 Oct;53(10):2046-56. doi: 10.1194/jlr.M025700. Epub 2012 Jul 30. PMID:22847177 doi:10.1194/jlr.M025700

2cw6, resolution 2.10Å

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