Protein
Carbohydrate acetyl esterase/feruloyl esterase
Organism
Prevotella ruminicola (strain ATCC 19189 / JCM 8958 / 23)
Function
Involved in degradation of plant cell wall polysaccharides. Bifunctional esterase that possesses both acetyl esterase and ferulic acid esterase activities. Has deacetylase activity towards acetylated xylo-oligosaccharides smaller than xylo-heptaose, as well as from glucose-pentaacetate. Is also able to release ferulic acid from methylferulate, and from the more natural substrates wheat bran, corn fiber, and XOS(FA,Ac), a corn fiber-derived substrate enriched in O-acetyl and ferulic acid esters.
Similarity
In the N-terminal section; belongs to the carbohydrate esterase 6 family.
Sequence
MYQSTLKTILLASALLILPASMSAQKRKAAPKKAATEQVGKPDPNFYIFLCFGQSNMEGNARPEAQDLTSPGPRFLLMPAVDFPEKGRKMGEWCEASAPLCRPNTGLTPADWFGRTLVASLPENIKIGVIHVAIGGIDIKGFLPDSIQNYLKVAPNWMKGMLAAYDNNPYERLVTLAKKAQKDGVIKGILMHQGETNTGDPKWAGMVKQVYDNLCGDLNLKPEEVNLYAGNIVQADGKGVCIGCKKQIDELPLTLHTSQVISSDGCTNGPDRLHFDAAGYRELGCRYGEAVARHLGYEPKRPYIEMPKQIEVPADAFIAETTVPGNEFPKVDKEGRAYFRIAAPEARKVVLDICNKKYDMQRDGKGNFMAVTDPLPVGFHYYFLNINGVNFIDPSTETFFGCNRESGGIEIPEGSEGDYYRPQQGVPAGQVRSIYYYSNEQQTWRHAMVYTPAEYELAKNAKKRYPVLYLQHGMGEDETGWSKQGHMQHIMDNAIAKGEAVPMIVVMESGDIKAPFGGGNNQAGRSAYGASFYPVLLNDLIPYIDSNYRTKSDRENRAMAGLSWGGHQTFDVVLTNLDKFAWLGTFSGAIFGLDVKTAYDGVFANADEFNKKIHYMYMNWGEEDFIKSGDIVKQLRELGIKVDSNESKGTAHEWLTWRRGLNEFIPHLFKK