dbCAN-seq: a database of CAZyme sequence and annotation

Basic Information help

Species

Lineage

Bacteria; Firmicutes_A; Clostridia_A; Christensenellales; CAG-74; WRGP01;

CAZyme ID

MGYG000003833_01029

CAZy Family

GH20

CAZyme Description

hypothetical protein

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
620	MGYG000003833_67\|CGC1	70267.31	6.1351

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000003833	2358901	MAG	United States	North America

Gene Location

Start: 2573; End: 4435 Strand: -

Enzyme Prediction help

No EC number prediction in MGYG000003833_01029.

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH20	96	411	3.9e-38	0.9673590504451038

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd06565	GH20_GcnA-like	2.89e-101	106	410	6	301	Glycosyl hydrolase family 20 (GH20) catalytic domain of N-acetyl-beta-D-glucosaminidase (GcnA, also known as BhsA) and related proteins. GcnA is an exoglucosidase which cleaves N-acetyl-beta-D-galactosamine (NAG) and N-acetyl-beta-D-galactosamine residues from 4-methylumbelliferylated (4MU) substrates, as well as cleaving NAG from chito-oligosaccharides (i.e. NAG polymers). In contrast, sulfated forms of the substrate are unable to be cleaved and act instead as mild competitive inhibitors. Additionally, the enzyme is known to be poisoned by several first-row transition metals as well as by mercury. GcnA forms a homodimer with subunits comprised of three domains, an N-terminal zincin-like domain, this central catalytic GH20 domain, and a C-terminal alpha helical domain. 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.
cd02742	GH20_hexosaminidase	1.42e-39	103	405	3	292	Beta-N-acetylhexosaminidases of glycosyl hydrolase family 20 (GH20) catalyze the removal of beta-1,4-linked N-acetyl-D-hexosamine residues from the non-reducing ends of N-acetyl-beta-D-hexosaminides including N-acetylglucosides and N-acetylgalactosides. These enzymes are broadly distributed in microorganisms, plants and animals, and play roles in various key physiological and pathological processes. These processes include cell structural integrity, energy storage, cellular signaling, fertilization, pathogen defense, viral penetration, the development of carcinomas, inflammatory events and lysosomal storage disorders. The GH20 enzymes include the eukaryotic beta-N-acetylhexosaminidases A and B, the bacterial chitobiases, dispersin B, and lacto-N-biosidase. The GH20 hexosaminidases are thought to act via a catalytic mechanism in which the catalytic nucleophile is not provided by the solvent or the enzyme, but by the substrate itself.
pfam18088	Glyco_H_20C_C	2.30e-24	432	600	1	181	Glycoside Hydrolase 20C C-terminal domain. This is the C-terminal domain of Glycoside hydrolase 20 C (GH20C) present in S. pneumoniae. GH20C possesses the ability to hydrolyze the beta-linkages joining either N-acetylglucosamine or N-acetylgalactosamine to a wide variety of aglycon residues. The C-terminal domain is commonly known as Domain III is important in dimerization as it forms the primary interface of the dimer. However, there is presently no evidence supporting dimerization as being necessary for catalysis. Domain III is unusual among structurally characterized GH20 enzymes but in GH20 enzymes possessing domain III, dimerization seems to be a conserved feature.
cd06568	GH20_SpHex_like	4.49e-14	103	343	5	231	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.
pfam00728	Glyco_hydro_20	2.40e-12	103	386	5	318	Glycosyl hydrolase family 20, catalytic domain. This domain has a TIM barrel fold.

CAZyme Hits help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
AYQ72204.1	2.41e-123	95	599	84	599
AQS53997.1	2.21e-121	92	605	82	605
QIZ10344.1	5.83e-121	89	599	77	598
AOM84499.1	4.75e-119	95	607	83	605
AUJ23583.1	5.23e-118	95	599	84	598

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
2EPL_X	3.67e-90	73	620	58	617	N-acetyl-B-D-glucosaminidase(GCNA) from Streptococcus gordonii [Streptococcus gordonii],2EPM_X N-acetyl-B-D-glucoasminidase (GCNA) from Stretococcus gordonii [Streptococcus gordonii],2EPN_A N-acetyl-B-D-glucosaminidase (GCNA) from Streptococcus gordonii [Streptococcus gordonii],2EPN_B N-acetyl-B-D-glucosaminidase (GCNA) from Streptococcus gordonii [Streptococcus gordonii],2EPO_A N-acetyl-B-D-glucosaminidase (GCNA) from Streptococcus gordonii [Streptococcus gordonii],2EPO_B N-acetyl-B-D-glucosaminidase (GCNA) from Streptococcus gordonii [Streptococcus gordonii]
2EPK_X	8.92e-86	73	620	58	617	N-acetyl-B-D-glucosaminidase(GCNA) from Streptococcus gordonii [Streptococcus gordonii]
5A69_A	1.56e-84	43	619	49	638	GH20C,Beta-hexosaminidase from Streptococcus pneumoniae in complex with Gal-PUGNAc [Streptococcus pneumoniae TIGR4],5A6A_A GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with NGT [Streptococcus pneumoniae TIGR4],5A6A_B GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with NGT [Streptococcus pneumoniae TIGR4],5A6J_A GH20C, Beta-hexosaminidase from Streptococcus pneumoniae [Streptococcus pneumoniae TIGR4],5A6J_B GH20C, Beta-hexosaminidase from Streptococcus pneumoniae [Streptococcus pneumoniae TIGR4],5A6J_C GH20C, Beta-hexosaminidase from Streptococcus pneumoniae [Streptococcus pneumoniae TIGR4],5A6J_D GH20C, Beta-hexosaminidase from Streptococcus pneumoniae [Streptococcus pneumoniae TIGR4],5A6K_A GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with Gal-NGT [Streptococcus pneumoniae TIGR4],5A6K_B GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with Gal-NGT [Streptococcus pneumoniae TIGR4],5AC5_A GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with GlcNAc [Streptococcus pneumoniae TIGR4],5AC5_B GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with GlcNAc [Streptococcus pneumoniae TIGR4]
5A6B_A	1.56e-84	43	619	49	638	GH20C,Beta-hexosaminidase from Streptococcus pneumoniae in complex with PUGNAc [Streptococcus pneumoniae TIGR4],5A6B_B GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with PUGNAc [Streptococcus pneumoniae TIGR4],5A6B_C GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with PUGNAc [Streptococcus pneumoniae TIGR4]
5AC4_A	4.26e-84	43	619	49	638	GH20C,Beta-hexosaminidase from Streptococcus pneumoniae in complex with GalNAc [Streptococcus pneumoniae TIGR4],5AC4_B GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with GalNAc [Streptococcus pneumoniae TIGR4]

Swiss-Prot Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
A6QNR0	2.82e-10	128	320	27	217	Hexosaminidase D OS=Bos taurus OX=9913 GN=HEXD PE=2 SV=2
Q3U4H6	4.96e-10	128	320	35	225	Hexosaminidase D OS=Mus musculus OX=10090 GN=Hexd PE=1 SV=1
Q8WVB3	6.14e-09	128	320	35	225	Hexosaminidase D OS=Homo sapiens OX=9606 GN=HEXD PE=1 SV=3

SignalP and Lipop Annotations help

This protein is predicted as OTHER

Other	SP_Sec_SPI	LIPO_Sec_SPII	TAT_Tat_SPI	TATLIP_Sec_SPII	PILIN_Sec_SPIII
1.000017	0.000027	0.000000	0.000000	0.000000	0.000000

TMHMM Annotations help

There is no transmembrane helices in MGYG000003833_01029.

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