4.2.2.11 guluronate-specific alginate lyase; alginase II; guluronate lyase; L-guluronan lyase; L-guluronate lyase; poly-alpha-L-guluronate lyase; polyguluronate-specific alginate lyase; poly(alpha-L-1,4-guluronide) exo-lyase; poly(alpha-L-guluronate) lyase; • • •