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InterPro: IPR001597 Aromatic amino acid beta-eliminating lyase/threonine aldolase
Protein matches
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UniProtKB Matches: 1750 proteins |
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Accession
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IPR001597 ArAA_b-elim_lyase/Thr_aldolase |
Secondary
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IPR011166
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Type
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Domain |
Signatures
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InterPro Relationships
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Found in
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IPR011166 Tryptophanase
IPR013440 Tryptophanase, proteobacteria
IPR013441 Tyrosine phenol-lyase
IPR015424 Pyridoxal phosphate-dependent transferase, major domain
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Contains
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IPR015421 Pyridoxal phosphate-dependent transferase, major region, subdomain 1
IPR018176 Tryptophanase, conserved site
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GO Term annotation
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Process
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GO:0006520 cellular amino acid metabolic process
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Function
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GO:0016829 lyase activity
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InterPro annotation
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Entry Details in BioMart
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Abstract
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This domain is found in many tryptophanases (tryptophan indole-lyase, TNase), tyrosine phenol-lyases (TPL) and threonine aldolases. It is involved in the degradation of amino acids. The glycine cleavage system is composed of four proteins: P, T, L and H. In Bacillus subtilis, the P 'protein' is an heterodimer of two subunits. The glycine cleavage system catalyses the degradation of glycine. The P protein binds the alpha-amino group of glycine through its pyridoxal phosphate cofactor; CO(2) is released and the remaining methylamine moiety is then transferred to the lipoamide cofactor of the H protein
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Structural links
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Database links
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Pfam Clan: CL0061.9
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Additional Reading
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Ku SY, Yip P, Howell PL.
Structure of Escherichia coli tryptophanase.
Acta Crystallogr. D Biol. Crystallogr. 62 2006 814-23
[PubMed: 16790938]
http://dx.doi.org/10.1107/S0907444906019895
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Kielkopf CL, Burley SK.
X-ray structures of threonine aldolase complexes: structural basis of substrate recognition.
Biochemistry 41 2002 11711-20
[PubMed: 12269813]
http://dx.doi.org/10.1021/bi020393+
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Tsesin N, Kogan A, Gdalevsky GY, Himanen JP, Cohen-Luria R, Parola AH, Goldgur Y, Almog O.
The structure of apo tryptophanase from Escherichia coli reveals a wide-open conformation.
Acta Crystallogr. D Biol. Crystallogr. 63 2007 969-74
[PubMed: 17704565]
http://dx.doi.org/10.1107/S0907444907036396
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Isupov MN, Antson AA, Dodson EJ, Dodson GG, Dementieva IS, Zakomirdina LN, Wilson KS, Dauter Z, Lebedev AA, Harutyunyan EH.
Crystal structure of tryptophanase.
J. Mol. Biol. 276 1998 603-23
[PubMed: 9551100]
http://dx.doi.org/10.1006/jmbi.1997.1561
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Milic D, Matkovic-Calogovic D, Demidkina TV, Kulikova VV, Sinitzina NI, Antson AA.
Structures of apo- and holo-tyrosine phenol-lyase reveal a catalytically critical closed conformation and suggest a mechanism for activation by K+ ions.
Biochemistry 45 2006 7544-52
[PubMed: 16768450]
http://dx.doi.org/10.1021/bi0601858
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InterPro 23.1
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