Reaction catalyzed by xylan 1,4-beta-xylosidase (3.2.1.37)

	hemicellulose xylogalacturonan	+		H2O	=		hemicellulose xylogalacturonan	+
	hemicellulose xylogalacturonan	+		H2O	=		hemicellulose xylogalacturonan	+		beta-D-xylose