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==Crystal structure of human argininosuccinate synthase in complex with aspartate and citrulline==
==Crystal structure of human argininosuccinate synthase in complex with aspartate and citrulline==
<StructureSection load='2nz2' size='340' side='right' caption='[[2nz2]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
<StructureSection load='2nz2' size='340' side='right'caption='[[2nz2]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2nz2]] 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=2NZ2 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2NZ2 FirstGlance]. <br>
<table><tr><td colspan='2'>[[2nz2]] 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=2NZ2 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2NZ2 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ASP:ASPARTIC+ACID'>ASP</scene>, <scene name='pdbligand=CIR:CITRULLINE'>CIR</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</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]] 2.4&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ASS1, ASS ([http://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=ASP:ASPARTIC+ACID'>ASP</scene>, <scene name='pdbligand=CIR:CITRULLINE'>CIR</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Argininosuccinate_synthase Argininosuccinate synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.4.5 6.3.4.5] </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=2nz2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nz2 OCA], [https://pdbe.org/2nz2 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2nz2 RCSB], [https://www.ebi.ac.uk/pdbsum/2nz2 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2nz2 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=2nz2 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2nz2 OCA], [http://pdbe.org/2nz2 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2nz2 RCSB], [http://www.ebi.ac.uk/pdbsum/2nz2 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2nz2 ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
[[http://www.uniprot.org/uniprot/ASSY_HUMAN ASSY_HUMAN]] Defects in ASS1 are the cause of citrullinemia type 1 (CTLN1) [MIM:[http://omim.org/entry/215700 215700]]. Citrullinemia belongs to the urea cycle disorders. It is an autosomal recessive disease characterized primarily by elevated serum and urine citrulline levels. Ammonia intoxication is another manifestation. CTLN1 usually manifests in the first few days of life. Affected infants appear normal at birth, but as ammonia builds up in the body they present symptoms such as lethargy, poor feeding, vomiting, seizures and loss of consciousness. Less commonly, a milder CTLN1 form can develop later in childhood or adulthood.<ref>PMID:11941481</ref> <ref>PMID:2358466</ref> <ref>PMID:1943692</ref> <ref>PMID:7977368</ref> <ref>PMID:8792870</ref> <ref>PMID:11708871</ref> <ref>PMID:12815590</ref> <ref>PMID:14680976</ref> <ref>PMID:16475226</ref>
[https://www.uniprot.org/uniprot/ASSY_HUMAN ASSY_HUMAN] Defects in ASS1 are the cause of citrullinemia type 1 (CTLN1) [MIM:[https://omim.org/entry/215700 215700]. Citrullinemia belongs to the urea cycle disorders. It is an autosomal recessive disease characterized primarily by elevated serum and urine citrulline levels. Ammonia intoxication is another manifestation. CTLN1 usually manifests in the first few days of life. Affected infants appear normal at birth, but as ammonia builds up in the body they present symptoms such as lethargy, poor feeding, vomiting, seizures and loss of consciousness. Less commonly, a milder CTLN1 form can develop later in childhood or adulthood.<ref>PMID:11941481</ref> <ref>PMID:2358466</ref> <ref>PMID:1943692</ref> <ref>PMID:7977368</ref> <ref>PMID:8792870</ref> <ref>PMID:11708871</ref> <ref>PMID:12815590</ref> <ref>PMID:14680976</ref> <ref>PMID:16475226</ref>  
== Function ==
[https://www.uniprot.org/uniprot/ASSY_HUMAN ASSY_HUMAN]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nz/2nz2_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/nz/2nz2_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
Line 34: Line 35:
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Argininosuccinate synthase]]
[[Category: Homo sapiens]]
[[Category: Human]]
[[Category: Large Structures]]
[[Category: Arrowsmith, C]]
[[Category: Arrowsmith C]]
[[Category: Berg, S Van Den]]
[[Category: Berglund H]]
[[Category: Berglund, H]]
[[Category: Busam RD]]
[[Category: Busam, R D]]
[[Category: Collins R]]
[[Category: Collins, R]]
[[Category: Edwards A]]
[[Category: Edwards, A]]
[[Category: Ericsson UB]]
[[Category: Ericsson, U B]]
[[Category: Flodin S]]
[[Category: Flodin, S]]
[[Category: Flores A]]
[[Category: Flores, A]]
[[Category: Graslund S]]
[[Category: Graslund, S]]
[[Category: Hallberg BM]]
[[Category: Hallberg, B M]]
[[Category: Hammarstrom M]]
[[Category: Hammarstrom, M]]
[[Category: Hogbom M]]
[[Category: Hogbom, M]]
[[Category: Holmberg-Schiavone L]]
[[Category: Holmberg-Schiavone, L]]
[[Category: Johansson I]]
[[Category: Johansson, I]]
[[Category: Karlberg T]]
[[Category: Karlberg, T]]
[[Category: Kotenyova T]]
[[Category: Kotenyova, T]]
[[Category: Magnusdottir A]]
[[Category: Magnusdottir, A]]
[[Category: Moche M]]
[[Category: Moche, M]]
[[Category: Nilsson ME]]
[[Category: Nilsson, M E]]
[[Category: Nordlund P]]
[[Category: Nordlund, P]]
[[Category: Nyman T]]
[[Category: Nyman, T]]
[[Category: Ogg D]]
[[Category: Ogg, D]]
[[Category: Persson C]]
[[Category: Persson, C]]
[[Category: Sagemark J]]
[[Category: Structural genomic]]
[[Category: Stenmark P]]
[[Category: Sagemark, J]]
[[Category: Sundstrom M]]
[[Category: Stenmark, P]]
[[Category: Thorsell AG]]
[[Category: Sundstrom, M]]
[[Category: Uppenberg J]]
[[Category: Thorsell, A G]]
[[Category: Van Den Berg S]]
[[Category: Uppenberg, J]]
[[Category: Wallden K]]
[[Category: Wallden, K]]
[[Category: Weigelt J]]
[[Category: Weigelt, J]]
[[Category: Amino-acid biosynthesis]]
[[Category: Aspartate]]
[[Category: Citrulline]]
[[Category: Ligase]]
[[Category: Sgc]]
[[Category: Synthase]]

Latest revision as of 11:56, 25 October 2023

Crystal structure of human argininosuccinate synthase in complex with aspartate and citrullineCrystal structure of human argininosuccinate synthase in complex with aspartate and citrulline

Structural highlights

2nz2 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 2.4Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

ASSY_HUMAN Defects in ASS1 are the cause of citrullinemia type 1 (CTLN1) [MIM:215700. Citrullinemia belongs to the urea cycle disorders. It is an autosomal recessive disease characterized primarily by elevated serum and urine citrulline levels. Ammonia intoxication is another manifestation. CTLN1 usually manifests in the first few days of life. Affected infants appear normal at birth, but as ammonia builds up in the body they present symptoms such as lethargy, poor feeding, vomiting, seizures and loss of consciousness. Less commonly, a milder CTLN1 form can develop later in childhood or adulthood.[1] [2] [3] [4] [5] [6] [7] [8] [9]

Function

ASSY_HUMAN

Evolutionary Conservation

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

Publication Abstract from PubMed

Argininosuccinate synthetase catalyzes the transformation of citrulline and aspartate into argininosuccinate and pyrophosphate using the hydrolysis of ATP to AMP and pyrophosphate. This enzymatic process constitutes the rate-limiting step in both the urea and arginine-citrulline cycles. Previous studies have investigated the crystal structures of argininosuccinate synthetase from bacterial species. In this work, the first crystal structure of human argininosuccinate synthetase in complex with the substrates citrulline and aspartate is presented. The human enzyme is compared with structures of argininosuccinate synthetase from bacteria. In addition, the structure also provides new insights into the function of the numerous clinical mutations identified in patients with type I citrullinaemia (also known as classic citrullinaemia).

Structure of human argininosuccinate synthetase.,Karlberg T, Collins R, van den Berg S, Flores A, Hammarstrom M, Hogbom M, Holmberg Schiavone L, Uppenberg J Acta Crystallogr D Biol Crystallogr. 2008 Mar;64(Pt 3):279-86. Epub 2008, Feb 20. PMID:18323623[10]

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

References

  1. ↑ Haberle J, Pauli S, Linnebank M, Kleijer WJ, Bakker HD, Wanders RJ, Harms E, Koch HG. Structure of the human argininosuccinate synthetase gene and an improved system for molecular diagnostics in patients with classical and mild citrullinemia. Hum Genet. 2002 Apr;110(4):327-33. Epub 2002 Mar 1. PMID:11941481 doi:10.1007/s00439-002-0686-6
  2. ↑ Kobayashi K, Jackson MJ, Tick DB, O'Brien WE, Beaudet AL. Heterogeneity of mutations in argininosuccinate synthetase causing human citrullinemia. J Biol Chem. 1990 Jul 5;265(19):11361-7. PMID:2358466
  3. ↑ Kobayashi K, Rosenbloom C, Beaudet AL, O'Brien WE. Additional mutations in argininosuccinate synthetase causing citrullinemia. Mol Biol Med. 1991 Feb;8(1):95-100. PMID:1943692
  4. ↑ Kobayashi K, Shaheen N, Terazono H, Saheki T. Mutations in argininosuccinate synthetase mRNA of Japanese patients, causing classical citrullinemia. Am J Hum Genet. 1994 Dec;55(6):1103-12. PMID:7977368
  5. ↑ Shaheen N, Kobayashi K, Terazono H, Fukushige T, Horiuchi M, Saheki T. Characterization of human wild-type and mutant argininosuccinate synthetase proteins expressed in bacterial cells. Enzyme Protein. 1994-1995;48(5-6):251-64. PMID:8792870
  6. ↑ Vilaseca MA, Kobayashi K, Briones P, Lambruschini N, Campistol J, Tabata A, Alomar A, Rodes M, Lluch M, Saheki T. Phenotype and genotype heterogeneity in Mediterranean citrullinemia. Mol Genet Metab. 2001 Nov;74(3):396-8. PMID:11708871 doi:10.1006/mgme.2001.3221
  7. ↑ Gao HZ, Kobayashi K, Tabata A, Tsuge H, Iijima M, Yasuda T, Kalkanoglu HS, Dursun A, Tokatli A, Coskun T, Trefz FK, Skladal D, Mandel H, Seidel J, Kodama S, Shirane S, Ichida T, Makino S, Yoshino M, Kang JH, Mizuguchi M, Barshop BA, Fuchinoue S, Seneca S, Zeesman S, Knerr I, Rodes M, Wasant P, Yoshida I, De Meirleir L, Abdul Jalil M, Begum L, Horiuchi M, Katunuma N, Nakagawa S, Saheki T. Identification of 16 novel mutations in the argininosuccinate synthetase gene and genotype-phenotype correlation in 38 classical citrullinemia patients. Hum Mutat. 2003 Jul;22(1):24-34. PMID:12815590 doi:10.1002/humu.10230
  8. ↑ Haberle J, Pauli S, Schmidt E, Schulze-Eilfing B, Berning C, Koch HG. Mild citrullinemia in Caucasians is an allelic variant of argininosuccinate synthetase deficiency (citrullinemia type 1). Mol Genet Metab. 2003 Nov;80(3):302-6. PMID:14680976 doi:10.1016/j.ymgme.2003.08.002
  9. ↑ Kleijer WJ, Garritsen VH, van der Sterre ML, Berning C, Haberle J, Huijmans JG. Prenatal diagnosis of citrullinemia and argininosuccinic aciduria: evidence for a transmission ratio distortion in citrullinemia. Prenat Diagn. 2006 Mar;26(3):242-7. PMID:16475226 doi:10.1002/pd.1390
  10. ↑ Karlberg T, Collins R, van den Berg S, Flores A, Hammarstrom M, Hogbom M, Holmberg Schiavone L, Uppenberg J. Structure of human argininosuccinate synthetase. Acta Crystallogr D Biol Crystallogr. 2008 Mar;64(Pt 3):279-86. Epub 2008, Feb 20. PMID:18323623 doi:http://dx.doi.org/S0907444907067455

2nz2, resolution 2.40Å

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