IUBMB Enzyme Nomenclature


Accepted name: polygalacturonase

Reaction: Random hydrolysis of (1→4)-α-D-galactosiduronic linkages in pectate and other galacturonans

Other name(s): pectin depolymerase; pectinase; endopolygalacturonase; pectolase; pectin hydrolase; pectin polygalacturonase; endo-polygalacturonase; poly-α-1,4-galacturonide glycanohydrolase; endogalacturonase; endo-D-galacturonase; poly(1,4-α-D-galacturonide) glycanohydrolase

Systematic name: (1→4)-α-D-galacturonan glycanohydrolase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9032-75-1


1. Deuel, H. and Stutz, E. Pectic substances and pectic enzymes. Adv. Enzymol. Relat. Areas Mol. Biol. 20 (1958) 341-382.

2. Lineweaver, H. and Jansen, E.F. Pectic enzymes. Adv. Enzymol. Relat. Subj. Biochem. 11 (1951) 267-295.

3. McCready, R.M. and Seegmiller, C.G. Action of pectic enzymes on oligogalacturonic acids and some of their derivatives. Arch. Biochem. Biophys. 50 (1954) 440-450.

4. Mill, P.J. and Tuttobello, R. The pectic enzymes of Aspergillus niger. 2. Endopolygalacturonase. Biochem. J. 79 (1961) 57-64.

5. Phaff, H.J. and Demain, A.L. The unienzymatic nature of yeast polygalacturonase. J. Biol. Chem. 218 (1956) 875-884.

[EC created 1961]

Return to EC 3.2.1 home page
Return to EC 3.2 home page
Return to EC 3 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page