2aat

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[[Image:2aat.jpg|left|200px]]
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{{Seed}}
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{{STRUCTURE_2aat| PDB=2aat | SCENE= }}
{{STRUCTURE_2aat| PDB=2aat | SCENE= }}
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'''2.8-ANGSTROMS-RESOLUTION CRYSTAL STRUCTURE OF AN ACTIVE-SITE MUTANT OF ASPARTATE AMINOTRANSFERASE FROM ESCHERICHIA COLI'''
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===2.8-ANGSTROMS-RESOLUTION CRYSTAL STRUCTURE OF AN ACTIVE-SITE MUTANT OF ASPARTATE AMINOTRANSFERASE FROM ESCHERICHIA COLI===
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==Overview==
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The three-dimensional structure of a mutant of the aspartate aminotransferase from Escherichia coli, in which the active-site lysine has been substituted by alanine (K258A), has been determined at 2.8-A resolution by X-ray diffraction. The mutant enzyme contains pyridoxamine phosphate as cofactor. The structure is compared to that of the mitochondrial aspartate aminotransferase. The most striking differences, aside from the absence of the lysine side chain, occur in the positions of the pyridoxamine group and of tryptophan 140.
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(as it appears on PubMed at http://www.pubmed.gov), where 2513875 is the PubMed ID number.
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{{ABSTRACT_PUBMED_2513875}}
==About this Structure==
==About this Structure==
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[[Category: Smith, D.]]
[[Category: Smith, D.]]
[[Category: Toney, M.]]
[[Category: Toney, M.]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 18:49:34 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 16:33:21 2008''

Revision as of 13:33, 27 July 2008

Template:STRUCTURE 2aat

2.8-ANGSTROMS-RESOLUTION CRYSTAL STRUCTURE OF AN ACTIVE-SITE MUTANT OF ASPARTATE AMINOTRANSFERASE FROM ESCHERICHIA COLI

Template:ABSTRACT PUBMED 2513875

About this Structure

2AAT is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

2.8-A-resolution crystal structure of an active-site mutant of aspartate aminotransferase from Escherichia coli., Smith DL, Almo SC, Toney MD, Ringe D, Biochemistry. 1989 Oct 3;28(20):8161-7. PMID:2513875

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