3tat

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[[Image:3tat.jpg|left|200px]]
[[Image:3tat.jpg|left|200px]]
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{{Structure
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<!--
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|PDB= 3tat |SIZE=350|CAPTION= <scene name='initialview01'>3tat</scene>, resolution 3.5&Aring;
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The line below this paragraph, containing "STRUCTURE_3tat", creates the "Structure Box" on the page.
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|SITE= <scene name='pdbsite=PBA:Covalently+Linked+w.+Plp+500.+Site+Site_identifier+Pbb+S+...'>PBA</scene>, <scene name='pdbsite=PBB:Covalently+Linked+w.+Plp+500.+Site+Site_identifier+Pbc+S+...'>PBB</scene>, <scene name='pdbsite=PBC:Covalently+Linked+w.+Plp+500.+Site+Site_identifier+Pbd+S+...'>PBC</scene>, <scene name='pdbsite=PBD:Covalently+Linked+w.+Plp+500.+Site+Site_identifier+Pbe+S+...'>PBD</scene>, <scene name='pdbsite=PBE:Covalently+Linked+w.+Plp+500.+Site+Site_identifier+Pbf+S+...'>PBE</scene> and <scene name='pdbsite=PBF:Covalently+Linked+w.+Plp+500'>PBF</scene>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=PLP:PYRIDOXAL-5&#39;-PHOSPHATE'>PLP</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Aromatic-amino-acid_transaminase Aromatic-amino-acid transaminase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.6.1.57 2.6.1.57] </span>
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or leave the SCENE parameter empty for the default display.
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|GENE=
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-->
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|DOMAIN=
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{{STRUCTURE_3tat| PDB=3tat | SCENE= }}
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3tat FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3tat OCA], [http://www.ebi.ac.uk/pdbsum/3tat PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=3tat RCSB]</span>
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}}
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'''TYROSINE AMINOTRANSFERASE FROM E. COLI'''
'''TYROSINE AMINOTRANSFERASE FROM E. COLI'''
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[[Category: Yang, W Z.]]
[[Category: Yang, W Z.]]
[[Category: Yuan, H S.]]
[[Category: Yuan, H S.]]
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[[Category: aminotransferase]]
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[[Category: Aminotransferase]]
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[[Category: aromatic substrate]]
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[[Category: Aromatic substrate]]
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[[Category: plp enzyme]]
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[[Category: Plp enzyme]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 22:13:37 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 05:36:10 2008''
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Revision as of 19:13, 4 May 2008

Image:3tat.jpg

Template:STRUCTURE 3tat

TYROSINE AMINOTRANSFERASE FROM E. COLI


Overview

Tyrosine aminotransferase catalyzes transamination for both dicarboxylic and aromatic amino-acid substrates. The substrate-free Escherichia coli tyrosine aminotransferase (eTAT) bound with the cofactor pyridoxal 5'-phosphate (PLP) was crystallized in the trigonal space group P3(2). A low-resolution crystal structure of eTAT was determined by molecular-replacement methods. The overall folding of eTAT resembles that of the aspartate aminotransferases, with the two identical subunits forming a dimer in which each monomer binds a PLP molecule via a covalent bond linked to the epsilon-NH(2) group of Lys258. Comparison of the structure of eTAT with those of the open, half-open or closed form of chicken or E. coli aspartate aminotransferases shows the eTAT structure to be in the open conformation.

About this Structure

3TAT is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Crystallization and preliminary crystallographic analysis of the Escherichia coli tyrosine aminotransferase., Ko TP, Wu SP, Yang WZ, Tsai H, Yuan HS, Acta Crystallogr D Biol Crystallogr. 1999 Aug;55(Pt 8):1474-7. PMID:10417420 Page seeded by OCA on Sun May 4 22:13:37 2008

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OCA

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