Table 3.

Activities of the experimentally characterized GlcNAcases

GlcNAcase	GH Family	Specific activitya	V max a	Organism
-	84	1.2	212	Penicillium chrysogenum [81]
NagA	20	1926.0	-	A. oryzae [12]
HJ5Nag	20	1773.1	3097	Microbacterium sp. (This study)
-	20	913.6	-	P. piscicida (previous Alteromonas sp.) [79]
Nag1	20	319.9	-	T. reesei [49]
ExoI	20	200	270	V. furnissii [37]
-	20	73.3	-	L. casei [41]
Sfhex	20		68.4	S. frugiperda [70]
NagC	20	44.7	-	S. thermoviolaceus [42]
NAG20A	20	30.0	115	A. hydrophila [73]
VhNag2	20	19.4	-	V. harveyi [82]
-	20	3.8	3.8	E. histolytica [77]
Hex1	20	-	212	Paenibacillus sp. [25]
Hex2	20	-	150	Paenibacillus sp. [25]
NagA	3	64.4	24.8	S. thermoviolaceus [83]
RmNag	3	21.2	49.3	Rhizomucor miehei [38]
Nag3HWLB1	3	19.4	19.9	Sphingobacterium sp. [18]
NahA	3	8.8	-	Symbiobacterium thermophilum [47]
ExoII	3	0.7	1.1	V. furnissii [68]
NagA	3	-	0.3	Thermotoga maritima [84]
CbsA	3	-	0.3	Thermotoga neapolitana [84]
-	-	521.5	-	Enterobacter sp. [85]
-	-	67.2	-	Vibrio alginolyticus [65]
-	-	40.5	-	Talaromyces emersonii [86]
-	-	27	2.0	Streptomyces cerradoensis [40]
NagA	-	5.3	245	Pseudomonas fluorescens [3]
	-	0.03	-	Trichinella spiralis [64]

^aThese values (μmol min⁻¹ mg⁻¹) were determined using pNPGlcNAc as substrate