A GH51 α-l-arabinofuranosidase from Talaromyces leycettanus strain JCM12802 that selectively drives synergistic lignocellulose hydrolysis

Table 1 Property comparison of TlAbf51 with other fungal Abfs of GH51

Microorganism	MW (kDa)	pH optimum	Temperature optimum (°C)	pH stability	Thermostability	k_cat/K_m (/mM/s)^a	References
T. leycettanus JCM12802	67.2	3.5–4.0	55–60	3.0–9.0	> 90% activity at 50 °C for 30 min	5712	This study
Aspergillus kawachii	80 for AkabfA 62 for AkabfB	4.0	55	3.0–7.0	Stable at 55 °C	ND	[10]
Chrysosporium lucknowense C1	71	5.0	40	ND	ND	ND	[13]
Penicillium chrysogenum 31B	71 for AFQ1 52 for AFS1	5.0	50	4.0–8.0 for AFQ1 3.0–7.0 for AFS1	> 80% activity at 50 °C for 1 h Completely inactivated at 60 °C	16.7 for AFQ1 44.9 for AFS1	[14]
Penicillium purpurogenum	70	5.0	60	ND	~ 50% activity at 50 °C for 2 h	24.8	[23]

ND not determined
^aCatalytic efficiency (k_cat/K_m value) was determined using 4-nitrophenyl-α-l-arabinofuranoside as the substrate

ISSN: 1475-2859