Fig. 3From: Current understanding of substrate specificity and regioselectivity of LPMOsThe amino acid composition and topological features of substrate binding surfaces. a Substrate binding surfaces of LPMOs. The catalytic center histidines are shown in blue sticks. The aromatic amino acids on substrate binding surfaces are shown in yellow sticks. b Multiple sequence alignments of structurally characterized LPMO9s and LPMO10s. The aromatic amino acids on L2 are highlighted in yellow background. c The different motifs on L2 of cellulose-active and chitin-active LPMO10sBack to article page