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{{STRUCTURE_1zn7|  PDB=1zn7  |  SCENE=  }}
===Human Adenine Phosphoribosyltransferase Complexed with PRPP, ADE and R5P===
{{ABSTRACT_PUBMED_18399692}}


==Disease==
==Human Adenine Phosphoribosyltransferase Complexed with PRPP, ADE and R5P==
[[http://www.uniprot.org/uniprot/APT_HUMAN APT_HUMAN]] Defects in APRT are the cause of adenine phosphoribosyltransferase deficiency (APRTD) [MIM:[http://omim.org/entry/614723 614723]]; also known as 2,8-dihydroxyadenine urolithiasis. An enzymatic deficiency that can lead to urolithiasis and renal failure. Patients have 2,8-dihydroxyadenine (DHA) urinary stones.<ref>PMID:1746557</ref><ref>PMID:7915931</ref><ref>PMID:3680503</ref><ref>PMID:3343350</ref><ref>PMID:1353080</ref><ref>PMID:11243733</ref><ref>PMID:15571218</ref><ref>PMID:21635362</ref>  
<StructureSection load='1zn7' size='340' side='right'caption='[[1zn7]], [[Resolution|resolution]] 1.83&Aring;' scene=''>
 
== Structural highlights ==
==Function==
<table><tr><td colspan='2'>[[1zn7]] 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=1ZN7 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1ZN7 FirstGlance]. <br>
[[http://www.uniprot.org/uniprot/APT_HUMAN APT_HUMAN]] Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis.  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.83&#8491;</td></tr>
 
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADE:ADENINE'>ADE</scene>, <scene name='pdbligand=HSX:5-O-PHOSPHONO-ALPHA-D-RIBOFURANOSE'>HSX</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=PRP:ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC+ACID'>PRP</scene></td></tr>
==About this Structure==
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1zn7 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1zn7 OCA], [https://pdbe.org/1zn7 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1zn7 RCSB], [https://www.ebi.ac.uk/pdbsum/1zn7 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1zn7 ProSAT]</span></td></tr>
[[1zn7]] is a 2 chain structure with sequence 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=1ZN7 OCA].  
</table>
== Disease ==
[https://www.uniprot.org/uniprot/APT_HUMAN APT_HUMAN] Defects in APRT are the cause of adenine phosphoribosyltransferase deficiency (APRTD) [MIM:[https://omim.org/entry/614723 614723]; also known as 2,8-dihydroxyadenine urolithiasis. An enzymatic deficiency that can lead to urolithiasis and renal failure. Patients have 2,8-dihydroxyadenine (DHA) urinary stones.<ref>PMID:1746557</ref> <ref>PMID:7915931</ref> <ref>PMID:3680503</ref> <ref>PMID:3343350</ref> <ref>PMID:1353080</ref> <ref>PMID:11243733</ref> <ref>PMID:15571218</ref> <ref>PMID:21635362</ref>  
== Function ==
[https://www.uniprot.org/uniprot/APT_HUMAN APT_HUMAN] Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/zn/1zn7_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1zn7 ConSurf].
<div style="clear:both"></div>


==See Also==
==See Also==
*[[Phosphoribosyltransferase|Phosphoribosyltransferase]]
*[[Phosphoribosyltransferase 3D structures|Phosphoribosyltransferase 3D structures]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:018399692</ref><references group="xtra"/><references/>
__TOC__
[[Category: Adenine phosphoribosyltransferase]]
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Iulek, J.]]
[[Category: Large Structures]]
[[Category: Silva, M.]]
[[Category: Iulek J]]
[[Category: Thiemann, O H.]]
[[Category: Silva M]]
[[Category: Tomich, C H.T P.]]
[[Category: Thiemann OH]]
[[Category: Glycosyltransferase]]
[[Category: Tomich CHTP]]
[[Category: Purine salvage]]
[[Category: Transferase]]

Latest revision as of 12:05, 14 February 2024

Human Adenine Phosphoribosyltransferase Complexed with PRPP, ADE and R5PHuman Adenine Phosphoribosyltransferase Complexed with PRPP, ADE and R5P

Structural highlights

1zn7 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 1.83Å
Ligands:, , , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

APT_HUMAN Defects in APRT are the cause of adenine phosphoribosyltransferase deficiency (APRTD) [MIM:614723; also known as 2,8-dihydroxyadenine urolithiasis. An enzymatic deficiency that can lead to urolithiasis and renal failure. Patients have 2,8-dihydroxyadenine (DHA) urinary stones.[1] [2] [3] [4] [5] [6] [7] [8]

Function

APT_HUMAN Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis.

Evolutionary Conservation

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

See Also

References

  1. ↑ Chen J, Sahota A, Laxdal T, Scrine M, Bowman S, Cui C, Stambrook PJ, Tischfield JA. Identification of a single missense mutation in the adenine phosphoribosyltransferase (APRT) gene from five Icelandic patients and a British patient. Am J Hum Genet. 1991 Dec;49(6):1306-11. PMID:1746557
  2. ↑ Sahota A, Chen J, Boyadjiev SA, Gault MH, Tischfield JA. Missense mutation in the adenine phosphoribosyltransferase gene causing 2,8-dihydroxyadenine urolithiasis. Hum Mol Genet. 1994 May;3(5):817-8. PMID:7915931
  3. ↑ Hidaka Y, Palella TD, O'Toole TE, Tarle SA, Kelley WN. Human adenine phosphoribosyltransferase. Identification of allelic mutations at the nucleotide level as a cause of complete deficiency of the enzyme. J Clin Invest. 1987 Nov;80(5):1409-15. PMID:3680503 doi:http://dx.doi.org/10.1172/JCI113219
  4. ↑ Hidaka Y, Tarle SA, Fujimori S, Kamatani N, Kelley WN, Palella TD. Human adenine phosphoribosyltransferase deficiency. Demonstration of a single mutant allele common to the Japanese. J Clin Invest. 1988 Mar;81(3):945-50. PMID:3343350 doi:http://dx.doi.org/10.1172/JCI113408
  5. ↑ Kamatani N, Hakoda M, Otsuka S, Yoshikawa H, Kashiwazaki S. Only three mutations account for almost all defective alleles causing adenine phosphoribosyltransferase deficiency in Japanese patients. J Clin Invest. 1992 Jul;90(1):130-5. PMID:1353080 doi:http://dx.doi.org/10.1172/JCI115825
  6. ↑ Deng L, Yang M, Frund S, Wessel T, De Abreu RA, Tischfield JA, Sahota A. 2,8-Dihydroxyadenine urolithiasis in a patient with considerable residual adenine phosphoribosyltransferase activity in cell extracts but with mutations in both copies of APRT. Mol Genet Metab. 2001 Mar;72(3):260-4. PMID:11243733 doi:10.1006/mgme.2000.3142
  7. ↑ Taniguchi A, Tsuchida S, Kuno S, Mita M, Machida T, Ioritani N, Terai C, Yamanaka H, Kamatani N. Identification of two novel mutations in adenine phosphoribosyltransferase gene in patients with 2,8-dihydroxyadenine urolithiasis. Nucleosides Nucleotides Nucleic Acids. 2004 Oct;23(8-9):1141-5. PMID:15571218 doi:10.1081/NCN-200027393
  8. ↑ Nozue H, Kamoda T, Saitoh H, Ichikawa K, Taniguchi A. A Japanese boy with adenine phosphoribosyltransferase (APRT) deficiency caused by compound heterozygosity including a novel missense mutation in APRT gene. Acta Paediatr. 2011 Dec;100(12):e285-8. doi: 10.1111/j.1651-2227.2011.02371.x., Epub 2011 Jun 17. PMID:21635362 doi:10.1111/j.1651-2227.2011.02371.x

1zn7, resolution 1.83Å

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