Table 2.

Proportions of secondary structures of GH 20 GlcNAcases

GlcNAcase (PDB ID)	α-Helix	β-Sheet	Coil	Coil/α-Helix
2GJX [24]	176 (35.8%)	133 (27.0%)	183 (37.2%)	1.04
3RCN (Unpublished)	185 (35.2%)	146 (27.8%)	194 (37.0%)	1.05
1 M01 [74]	170 (34.1%)	121 (24.2%)	208 (41.7%)	1.22
3NSM [72]	193 (33.7%)	162 (28.3%)	217 (37.9%)	1.12
4PYS (Unpublished)	165 (33.5%)	134 (27.2%)	193 (39.2%)	1.17
3GH4 [25]	165 (32.5%)	137 (27.0%)	205 (40.4%)	1.24
KX400857 (This study)	152 (30.2%)	126 (25.0%)	226 (44.8%)	1.49
1QBA [23]	232 (27.0%)	282 (32.9%)	344 (40.1%)	1.48