The Enzyme Database

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Accepted name: pectate lyase
Reaction: Eliminative cleavage of (1→4)-α-D-galacturonan to give oligosaccharides with 4-deoxy-α-D-galact-4-enuronosyl groups at their non-reducing ends
For diagram of reaction, click here
Other name(s): polygalacturonic transeliminase; pectic acid transeliminase; polygalacturonate lyase; endopectin methyltranseliminase; pectate transeliminase; endogalacturonate transeliminase; pectic acid lyase; pectic lyase; α-1,4-D-endopolygalacturonic acid lyase; PGA lyase; PPase-N; endo-α-1,4-polygalacturonic acid lyase; polygalacturonic acid lyase; pectin trans-eliminase; Polygalacturonic acid trans-eliminase
Systematic name: (1→4)-α-D-galacturonan lyase
Comments: Favours pectate, the anion, over pectin, the methyl ester (which is the preferred substrate of EC, pectin lyase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 9015-75-2
1.  Albersheim, P. and Killias, U. Studies relating to the purification and properties of pectin transeliminase. Arch. Biochem. Biophys. 97 (1962) 107–115. [DOI] [PMID: 13860094]
2.  Edstrom, R.D. and Phaff, H.J. Purification and certain properties of pectin trans-eliminase from Aspergillus fonsecaeus. J. Biol. Chem. 239 (1964) 2403–2408. [PMID: 14235514]
3.  Edstrom, R.D. and Phaff, H.J. Eliminative cleavage of pectin and of oligogalacturonide methyl esters by pectin trans-eliminase. J. Biol. Chem. 239 (1964) 2409–2415. [PMID: 14235515]
4.  Nagel, C.W. and Vaughn, R.H. The degradation of oligogalacturonides by the polygalacturonase of Bacillus polymyxa. Arch. Biochem. Biophys. 94 (1961) 328. [DOI] [PMID: 13727438]
5.  Nasuno, S. and Starr, M.P. Polygalacturonic acid trans-eliminase of Xanthomonas campestris. Biochem. J. 104 (1967) 178–185. [PMID: 6035509]
6.  Mayans, O., Scott, M., Connerton, I., Gravesen, T., Benen, J., Visser, J., Pickersgill, R. and Jenkins, J. Two crystal structures of pectin lyase A from Aspergillus reveal a pH driven conformational change and striking divergence in the substrate-binding clefts of pectin and pectate lyases. Structure 5 (1997) 677–689. [DOI] [PMID: 9195887]
[EC created 1965 as EC, transferred 1972 to EC, modified 2002]

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