Protein
Xylanase inhibitor protein XIP
Organism
Oryza sativa subsp. japonica
Function
Fungal xylanase inhibitor (PubMed:17379695, PubMed:18511458). Possesses competitive inhibiting activity against several fungal endo-1,4-beta-D-xylanases belonging to glycoside hydrolase family 10 (GH10) and family 11 (GH11) (PubMed:17379695, PubMed:18511458). May function in plant defense against secreted fungal pathogen xylanases (PubMed:17379695, PubMed:18511458). Is similar to class III chitinases, but does not exhibit chitinase activity (PubMed:17379695, PubMed:18511458).
Similarity
Belongs to the glycosyl hydrolase 18 family. Xylanase inhibitor subfamily.
Sequence
MALRRLAALLSLAVLLSAGLAAVSATSQNTGDTVIIWGRNKDEGSLREACDAGRYTTVIISFLSAFGYIPGTYKLDISGHQVSAVGPDIKYCQSKGKLILLAIGGQGGEYSLPSSQAAVDLHDHLWYSYLGGRRNGVYRPFGDANVNGIDFFIDQGAREHYNELAKMLYDHNKDYRATVGVMVTATTRCGYPDHRLDEALATGLFHRIHVKMFSDGRCPAWSRRQSFEKWAKTYPQSRVLIGVVASPDVDKDAYMPPEALNNLLQFINKQPNFGGVMVWDRFYDKKTGFTAHL