dbCAN-seq: a database of CAZyme sequence and annotation

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CAZyme Information: MGYG000002176_00748

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Basic Information help

Species

Lineage

Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Muribaculaceae; SFTJ01;

CAZyme ID

MGYG000002176_00748

CAZy Family

GH20

CAZyme Description

Beta-hexosaminidase

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
535	MGYG000002176_19\|CGC2	60713.28	6.6366

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000002176	2675847	MAG	Denmark	Europe

Gene Location

Start: 22251; End: 23858 Strand: +

Full Sequence Download help

Enzyme Prediction help

EC	3.2.1.52	3.2.1.-

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH20	145	508	1.5e-112	0.973293768545994

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd06563	GH20_chitobiase-like	1.01e-167	150	521	1	357	The chitobiase of Serratia marcescens is a beta-N-1,4-acetylhexosaminidase with a glycosyl hydrolase family 20 (GH20) domain that hydrolyzes the beta-1,4-glycosidic linkages in oligomers derived from chitin. Chitin is degraded by a two step process: i) a chitinase hydrolyzes the chitin to oligosaccharides and disaccharides such as di-N-acetyl-D-glucosamine and chitobiose, ii) chitobiase then further degrades these oligomers into monomers. This GH20 domain family includes an N-acetylglucosamidase (GlcNAcase A) from Pseudoalteromonas piscicida and an N-acetylhexosaminidase (SpHex) from Streptomyces plicatus. SpHex lacks the C-terminal PKD (polycystic kidney disease I)-like domain found in the chitobiases. The GH20 hexosaminidases are thought to act via a catalytic mechanism in which the catalytic nucleophile is not provided by solvent or the enzyme, but by the substrate itself.
pfam00728	Glyco_hydro_20	4.00e-135	150	508	1	345	Glycosyl hydrolase family 20, catalytic domain. This domain has a TIM barrel fold.
COG3525	Chb	5.34e-105	30	518	136	625	N-acetyl-beta-hexosaminidase [Carbohydrate transport and metabolism].
cd06568	GH20_SpHex_like	9.40e-90	150	517	1	325	A subgroup of the Glycosyl hydrolase family 20 (GH20) catalytic domain found in proteins similar to the N-acetylhexosaminidase from Streptomyces plicatus (SpHex). SpHex catalyzes the hydrolysis of N-acetyl-beta-hexosaminides. An Asp residue within the active site plays a critical role in substrate-assisted catalysis by orienting the 2-acetamido group and stabilizing the transition state. The GH20 hexosaminidases are thought to act via a catalytic mechanism in which the catalytic nucleophile is not provided by solvent or the enzyme, but by the substrate itself. Proteins belonging to this subgroup lack the C-terminal PKD (polycystic kidney disease I)-like domain found in the chitobiases.
cd06570	GH20_chitobiase-like_1	1.32e-84	150	516	1	310	A functionally uncharacterized subgroup of the Glycosyl hydrolase family 20 (GH20) catalytic domain found in proteins similar to the chitobiase of Serratia marcescens, a beta-N-1,4-acetylhexosaminidase that hydrolyzes the beta-1,4-glycosidic linkages in oligomers derived from chitin. Chitin is degraded by a two step process: i) a chitinase hydrolyzes the chitin to oligosaccharides and disaccharides such as di-N-acetyl-D-glucosamine and chitobiose, ii) chitobiase then further degrades these oligomers into monomers. This subgroup lacks the C-terminal PKD (polycystic kidney disease I)-like domain found in the chitobiases. The GH20 hexosaminidases are thought to act via a catalytic mechanism in which the catalytic nucleophile is not provided by solvent or the enzyme, but by the substrate itself.

CAZyme Hits help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
BCI61938.1	4.73e-245	15	534	18	535
QRP58745.1	2.33e-166	30	534	27	535
ASM67373.1	2.33e-166	30	534	27	535
QQT79372.1	2.33e-166	30	534	27	535
QQS94828.1	7.11e-163	30	528	27	518

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
7DUP_A	9.41e-99	30	517	6	502	ChainA, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron],7DVA_A Chain A, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron],7DVA_B Chain B, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron]
7DVB_A	5.21e-98	30	517	6	502	ChainA, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron],7DVB_B Chain B, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron],7DVB_C Chain C, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron],7DVB_D Chain D, Beta-N-acetylhexosaminidase [Bacteroides thetaiotaomicron]
3RCN_A	1.62e-82	30	521	10	498	CrystalStructure of Beta-N-Acetylhexosaminidase from Arthrobacter aurescens [Paenarthrobacter aurescens TC1]
6EZR_A	1.09e-81	25	522	130	624	Crystalstructure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi [Vibrio harveyi],6EZR_B Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi [Vibrio harveyi],6EZS_A Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi in complex with N-acetylglucosamine [Vibrio harveyi],6EZS_B Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi in complex with N-acetylglucosamine [Vibrio harveyi],6K35_A Crystal structure of GH20 exo beta-N-acetylglucosaminidase from Vibrio harveyi in complex with NAG-thiazoline [Vibrio harveyi],6K35_B Crystal structure of GH20 exo beta-N-acetylglucosaminidase from Vibrio harveyi in complex with NAG-thiazoline [Vibrio harveyi]
6Q63_A	1.24e-81	30	533	31	534	BT0459[Bacteroides thetaiotaomicron],6Q63_B BT0459 [Bacteroides thetaiotaomicron],6Q63_C BT0459 [Bacteroides thetaiotaomicron]

Swiss-Prot Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
P49008	2.34e-85	98	522	111	519	Beta-hexosaminidase OS=Porphyromonas gingivalis (strain ATCC BAA-308 / W83) OX=242619 GN=nahA PE=3 SV=2
P96155	5.45e-78	30	505	141	604	Beta-hexosaminidase OS=Vibrio furnissii OX=29494 GN=exoI PE=1 SV=1
B2UQG6	1.43e-76	82	522	81	516	Beta-hexosaminidase Amuc_0868 OS=Akkermansia muciniphila (strain ATCC BAA-835 / DSM 22959 / JCM 33894 / BCRC 81048 / CCUG 64013 / CIP 107961 / Muc) OX=349741 GN=Amuc_0868 PE=1 SV=1
B2UP57	1.23e-50	45	521	7	462	Beta-hexosaminidase Amuc_2018 OS=Akkermansia muciniphila (strain ATCC BAA-835 / DSM 22959 / JCM 33894 / BCRC 81048 / CCUG 64013 / CIP 107961 / Muc) OX=349741 GN=Amuc_2018 PE=1 SV=1
Q04786	8.16e-50	30	508	200	719	Beta-hexosaminidase OS=Vibrio vulnificus OX=672 GN=hex PE=3 SV=1

SignalP and Lipop Annotations help

This protein is predicted as SP

Other	SP_Sec_SPI	LIPO_Sec_SPII	TAT_Tat_SPI	TATLIP_Sec_SPII	PILIN_Sec_SPIII
0.000415	0.998815	0.000193	0.000184	0.000176	0.000157

TMHMM Annotations help

There is no transmembrane helices in MGYG000002176_00748.