4.2.2.22: pectate trisaccharide-lyase

This is an abbreviated version!
For detailed information about pectate trisaccharide-lyase, go to the full flat file.

Reaction

eliminative cleavage of unsaturated trigalacturonate as the major product from the reducing end of polygalacturonic acid/pectate =

Synonyms

alpha-1,4-endo-poly-GalA lyase, exopectate lyase, exopectate-lyase, pectate lyase 2A, pectate lyase A, pectate transeliminase, Pel, PelA, PL2A, Tm0433

ECTree

4 Lyases

4.2 Carbon-oxygen lyases

4.2.2 Acting on polysaccharides

4.2.2.22 pectate trisaccharide-lyase

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Results	in table
122	AA Sequence
4	Application
1	CAS Registry Number
7	Cloned(Commentary)
1	Crystallization (Commentary)
1	General Information
1	General Stability
9	Inhibitors
1	Ki Value [mM]
2	KM Value [mM]
3	Localization
11	Metals/Ions
6	Molecular Weight [Da]
3	Natural Substrates/ Products (Substrates)
34	Organism
1	PDB ID
5	pH Optimum
3	pH Range
1	pH Stability
2	Posttranslational Modification
1	Protein Variants
5	Purification (Commentary)
1	Reaction
2	Reaction Type
12	Reference
2	Source Tissue
4	Specific Activity [micromol/min/mg]
22	Substrates and Products (Substrate)
9	Subunits
24	Synonyms
1	Systematic Name
5	Temperature Optimum [°C]
2	Temperature Range [°C]
5	Temperature Stability [°C]

Systematic Name

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Systematic Name on EC 4.2.2.22 - pectate trisaccharide-lyase

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(1->4)-alpha-D-galacturonan reducing-end-trisaccharide-lyase

Differs in specificity from EC 4.2.2.9, pectate disaccharide-lyase, as the predominant action is removal of a trisaccharide rather than a disaccharide from the reducing end. Disaccharides and tetrasaccharides may also be removed [2].