Function
Removal of H(2)O(2), oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue. Has a high preference for hydroxycinnamates as substrates. Substrate preference is ferulic acid > p-coumaric acid > N-acetyl tyrosine methyl ester > N-acetyl-tyrosine > tyrosine > catechol > Gly-Tyr-Gly. May be involved in the formation of diferulate linkages in the plant cell wall.
Sequence
MSRAPTLAAAAAVAAVVLICSSSTATAADGNARQPPLAPGLSFDFYKRSCPKAESIVRSFVQDAVRRDVGLAAGLLRLHFHDCFVQGCDASVLLDGSATGPGEQQAPPNLTLRPTAFKAINDIHDRLHKECGGTVVSCSDVLALAARDSVVVSGGPSYKVPLGRRDSASFATQQDVLSGLPPPTAAVPALLAVLSKINLDATDLVALSGGHTIGLGHCTSFEDRLFPRPDPTLNATFAGQLRRTCPAKGTDRRTPLDVRTPNAFDNKYYVNLVNREGLFTSDQDLFSNARTRALVDKFARSQRDFFDQFAFSVVKMGQIKVLTGTQGQIRTNCSARNAAGTTMLPWSVSVVEEAADESLGVF