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| | ==L-tryptophan aminotransferase== | | ==L-tryptophan aminotransferase== |
| - | <StructureSection load='3bwo' size='340' side='right' caption='[[3bwo]], [[Resolution|resolution]] 2.40Å' scene=''> | + | <StructureSection load='3bwo' size='340' side='right'caption='[[3bwo]], [[Resolution|resolution]] 2.40Å' scene=''> |
| | == Structural highlights == | | == Structural highlights == |
| - | <table><tr><td colspan='2'>[[3bwo]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Arath Arath]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BWO OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3BWO FirstGlance]. <br> | + | <table><tr><td colspan='2'>[[3bwo]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3BWO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3BWO FirstGlance]. <br> |
| - | </td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</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]] 2.4Å</td></tr> |
| - | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3bwn|3bwn]]</td></tr> | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=LLP:(2S)-2-AMINO-6-[[3-HYDROXY-2-METHYL-5-(PHOSPHONOOXYMETHYL)PYRIDIN-4-YL]METHYLIDENEAMINO]HEXANOIC+ACID'>LLP</scene></td></tr> |
| - | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">At1g70560/F5A18_26, F5A18.26 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=3702 ARATH])</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=3bwo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bwo OCA], [https://pdbe.org/3bwo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3bwo RCSB], [https://www.ebi.ac.uk/pdbsum/3bwo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3bwo 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=3bwo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3bwo OCA], [http://pdbe.org/3bwo PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3bwo RCSB], [http://www.ebi.ac.uk/pdbsum/3bwo PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3bwo ProSAT]</span></td></tr> | + | |
| | </table> | | </table> |
| | == Function == | | == Function == |
| - | [[http://www.uniprot.org/uniprot/TAA1_ARATH TAA1_ARATH]] L-tryptophan aminotransferase involved in auxin (IAA) biosynthesis. Can convert L-tryptophan and pyruvate to indole-3-pyruvic acid (IPA) and alanine. Catalyzes the first step in IPA branch of the auxin biosynthetic pathway. Required for auxin production to initiate multiple change in growth in response to environmental and developmental cues. It is also active with phenylalanine, tyrosine, leucine, alanine, methionine and glutamine. Both TAA1 and TAR2 are required for maintaining proper auxin levels in roots, while TAA1, TAR1 and TAR2 are required for proper embryo patterning. Involved in the maintenance of the root stem cell niches and required for shade avoidance.<ref>PMID:18394996</ref> <ref>PMID:18394997</ref> <ref>PMID:19625638</ref> <ref>PMID:22025724</ref> | + | [https://www.uniprot.org/uniprot/TAA1_ARATH TAA1_ARATH] L-tryptophan aminotransferase involved in auxin (IAA) biosynthesis. Can convert L-tryptophan and pyruvate to indole-3-pyruvic acid (IPA) and alanine. Catalyzes the first step in IPA branch of the auxin biosynthetic pathway. Required for auxin production to initiate multiple change in growth in response to environmental and developmental cues. It is also active with phenylalanine, tyrosine, leucine, alanine, methionine and glutamine. Both TAA1 and TAR2 are required for maintaining proper auxin levels in roots, while TAA1, TAR1 and TAR2 are required for proper embryo patterning. Involved in the maintenance of the root stem cell niches and required for shade avoidance.<ref>PMID:18394996</ref> <ref>PMID:18394997</ref> <ref>PMID:19625638</ref> <ref>PMID:22025724</ref> |
| | == Evolutionary Conservation == | | == Evolutionary Conservation == |
| | [[Image:Consurf_key_small.gif|200px|right]] | | [[Image:Consurf_key_small.gif|200px|right]] |
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| | ==See Also== | | ==See Also== |
| - | *[[Aminotransferase|Aminotransferase]] | + | *[[Aminotransferase 3D structures|Aminotransferase 3D structures]] |
| | == References == | | == References == |
| | <references/> | | <references/> |
| | __TOC__ | | __TOC__ |
| | </StructureSection> | | </StructureSection> |
| - | [[Category: Arath]] | + | [[Category: Arabidopsis thaliana]] |
| - | [[Category: Bowman, M]] | + | [[Category: Large Structures]] |
| - | [[Category: Chory, J]] | + | [[Category: Bowman M]] |
| - | [[Category: Ferrer, J L]] | + | [[Category: Chory J]] |
| - | [[Category: Noel, J P]] | + | [[Category: Ferrer J-L]] |
| - | [[Category: Pojer, F]] | + | [[Category: Noel JP]] |
| - | [[Category: Tao, Y]] | + | [[Category: Pojer F]] |
| - | [[Category: Aminotransferase]]
| + | [[Category: Tao Y]] |
| - | [[Category: Auxin synthesis]]
| + | |
| - | [[Category: Indole-3-pyruvate]]
| + | |
| - | [[Category: Pyridoxal-5'-phosphate]]
| + | |
| - | [[Category: Transferase]]
| + | |
| - | [[Category: Tryptophan]]
| + | |
| Structural highlights
Function
TAA1_ARATH L-tryptophan aminotransferase involved in auxin (IAA) biosynthesis. Can convert L-tryptophan and pyruvate to indole-3-pyruvic acid (IPA) and alanine. Catalyzes the first step in IPA branch of the auxin biosynthetic pathway. Required for auxin production to initiate multiple change in growth in response to environmental and developmental cues. It is also active with phenylalanine, tyrosine, leucine, alanine, methionine and glutamine. Both TAA1 and TAR2 are required for maintaining proper auxin levels in roots, while TAA1, TAR1 and TAR2 are required for proper embryo patterning. Involved in the maintenance of the root stem cell niches and required for shade avoidance.[1] [2] [3] [4]
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
- ↑ Tao Y, Ferrer JL, Ljung K, Pojer F, Hong F, Long JA, Li L, Moreno JE, Bowman ME, Ivans LJ, Cheng Y, Lim J, Zhao Y, Ballare CL, Sandberg G, Noel JP, Chory J. Rapid synthesis of auxin via a new tryptophan-dependent pathway is required for shade avoidance in plants. Cell. 2008 Apr 4;133(1):164-76. PMID:18394996 doi:10.1016/j.cell.2008.01.049
- ↑ Stepanova AN, Robertson-Hoyt J, Yun J, Benavente LM, Xie DY, Dolezal K, Schlereth A, Jurgens G, Alonso JM. TAA1-mediated auxin biosynthesis is essential for hormone crosstalk and plant development. Cell. 2008 Apr 4;133(1):177-91. doi: 10.1016/j.cell.2008.01.047. PMID:18394997 doi:http://dx.doi.org/10.1016/j.cell.2008.01.047
- ↑ Yamada M, Greenham K, Prigge MJ, Jensen PJ, Estelle M. The TRANSPORT INHIBITOR RESPONSE2 gene is required for auxin synthesis and diverse aspects of plant development. Plant Physiol. 2009 Sep;151(1):168-79. doi: 10.1104/pp.109.138859. Epub 2009 Jul , 22. PMID:19625638 doi:http://dx.doi.org/10.1104/pp.109.138859
- ↑ Mashiguchi K, Tanaka K, Sakai T, Sugawara S, Kawaide H, Natsume M, Hanada A, Yaeno T, Shirasu K, Yao H, McSteen P, Zhao Y, Hayashi K, Kamiya Y, Kasahara H. The main auxin biosynthesis pathway in Arabidopsis. Proc Natl Acad Sci U S A. 2011 Nov 8;108(45):18512-7. doi:, 10.1073/pnas.1108434108. Epub 2011 Oct 24. PMID:22025724 doi:http://dx.doi.org/10.1073/pnas.1108434108
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