Os4BGlu16 and Os4BGlu18 hydrolyzed the monolignol glucosides
coniferin (kcat/KM, 21.6 mM−1 s−1 for Os4BGlu16 and for Os4BGlu18) and syringin (kcat/KM, 22.8 mM−1 s−1
for Os4BGlu16 and 24.0 mM−1 s−1 for Os4BGlu18) with much higher catalytic efficiencies than other substrates