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==Crystal Structure of F173G Mutant of Human APRT==
==Crystal Structure of F173G Mutant of Human APRT==
<StructureSection load='4x45' size='340' side='right' caption='[[4x45]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
<StructureSection load='4x45' size='340' side='right'caption='[[4x45]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4x45]] is a 2 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4X45 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4X45 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4x45]] is a 2 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=4X45 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4X45 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AMP:ADENOSINE+MONOPHOSPHATE'>AMP</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AMP:ADENOSINE+MONOPHOSPHATE'>AMP</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4x44|4x44]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4x44|4x44]]</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">APRT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Adenine_phosphoribosyltransferase Adenine phosphoribosyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.4.2.7 2.4.2.7] </span></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Adenine_phosphoribosyltransferase Adenine phosphoribosyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.4.2.7 2.4.2.7] </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=4x45 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4x45 OCA], [http://pdbe.org/4x45 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4x45 RCSB], [http://www.ebi.ac.uk/pdbsum/4x45 PDBsum]</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=4x45 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4x45 OCA], [http://pdbe.org/4x45 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=4x45 RCSB], [http://www.ebi.ac.uk/pdbsum/4x45 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=4x45 ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
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== Function ==
== Function ==
[[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.  
[[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.  
==See Also==
*[[Phosphoribosyltransferase|Phosphoribosyltransferase]]
== References ==
== References ==
<references/>
<references/>
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</StructureSection>
</StructureSection>
[[Category: Adenine phosphoribosyltransferase]]
[[Category: Adenine phosphoribosyltransferase]]
[[Category: Human]]
[[Category: Large Structures]]
[[Category: Mercaldi, G]]
[[Category: Mercaldi, G]]
[[Category: Pereira, H M]]
[[Category: Pereira, H M]]

Revision as of 10:00, 29 May 2019

Crystal Structure of F173G Mutant of Human APRTCrystal Structure of F173G Mutant of Human APRT

Structural highlights

4x45 is a 2 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Gene:APRT (HUMAN)
Activity:Adenine phosphoribosyltransferase, with EC number 2.4.2.7
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.

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

4x45, resolution 1.75Å

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