CAZyme Information: MGYG000000230_01562

Basic Information

• Species: Lactococcus petauri
• Lineage: Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae; Lactococcus; Lactococcus petauri
• CAZyme ID: MGYG000000230_01562
• CAZy Family: GH20
• CAZyme Description: Beta-N-acetylhexosaminidase

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
386		44194.96	4.7534

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000000230	1982297	Isolate	China	Asia

• Gene Location: Start: 64256; End: 65416 Strand: -

Full Sequence      

MNNRKVFSVCAVVGIVVFLMTMINQTEVKAEKNLTQILPEKGIALDISRKFYKAEVIKQF
IDNLSNYPNSFLQLHMSDNQNLAVEMATVGQTTDKNAVYQDGQWLNTQTKRPFLSKNDLM
DLVSYARSKNVVLIPEIEAPAHMQAILELLKINDPKRYEAIKLPDGAPEQFNLIDYTKVE
AIDFVQEMLAEYTPLFAGQAKAYFHIGVDEIDWLPVESNRNLVNYVNTLDNFLKHQGYTT
RMWNDRVAKADLANYNKDIQITYWSQIGGWDINSTGERASTGRQYTASAQELLDAGFQLL
NYNAYYTYFLPGQRMWQPESYAYTINDLVANWDLSKFELNSGKQVNSTENVIGSALTFWG
EEAGDYTDSQIQQKMQSFVQAYLKKE

Enzyme Prediction     

No EC number prediction in MGYG000000230_01562.

CAZyme Signature Domains

Family	Start	End	Evalue	family coverage
GH20	37	371	2.9e-53	0.9198813056379822

CDD Domains     

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd06564	GH20_DspB_LnbB-like	1.25e-59	39	385	1	322	Glycosyl hydrolase family 20 (GH20) catalytic domain of dispersin B (DspB), lacto-N-biosidase (LnbB) and related proteins. Dispersin B is a soluble beta-N-acetylglucosamidase found in bacteria that hydrolyzes the beta-1,6-linkages of PGA (poly-beta-(1,6)-N-acetylglucosamine), a major component of the extracellular polysaccharide matrix. Lacto-N-biosidase hydrolyzes lacto-N-biose (LNB) type I oligosaccharides at the nonreducing terminus to produce lacto-N-biose as part of the GNB/LNB (galacto-N-biose/lacto-N-biose I) degradation pathway. The lacto-N-biosidase from Bifidobacterium bifidum has this GH20 domain, a carbohydrate binding module 32, and a bacterial immunoglobulin-like domain 2, as well as a YSIRK signal peptide and a G5 membrane anchor at the N and C termini, respectively. 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	2.22e-47	42	372	3	287	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.
pfam00728	Glyco_hydro_20	1.31e-25	39	361	2	319	Glycosyl hydrolase family 20, catalytic domain. This domain has a TIM barrel fold.
cd06563	GH20_chitobiase-like	4.18e-23	42	361	5	318	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.
cd06568	GH20_SpHex_like	4.93e-19	41	361	4	290	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.

CAZyme Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
QSR11941.1	5.70e-282	1	386	1	386
QSR10366.1	9.45e-281	1	386	1	386
QSR04053.1	3.85e-280	1	386	1	386
BAV03209.1	1.02e-277	1	385	1	385
BAK60980.1	4.19e-236	1	386	1	386

PDB Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
1YHT_A	3.28e-72	40	385	18	356	Crystalstructure analysis of Dispersin B [Aggregatibacter actinomycetemcomitans]
4AZI_A	3.01e-24	33	379	3	350	Differentialinhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZI_B Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4]
2YL5_A	2.59e-23	33	379	3	350	Inhibitionof the pneumococcal virulence factor StrH and molecular insights into N-glycan recognition and hydrolysis [Streptococcus pneumoniae TIGR4],2YL5_B Inhibition of the pneumococcal virulence factor StrH and molecular insights into N-glycan recognition and hydrolysis [Streptococcus pneumoniae TIGR4],2YL5_C Inhibition of the pneumococcal virulence factor StrH and molecular insights into N-glycan recognition and hydrolysis [Streptococcus pneumoniae TIGR4],2YL5_D Inhibition of the pneumococcal virulence factor StrH and molecular insights into N-glycan recognition and hydrolysis [Streptococcus pneumoniae TIGR4],4AZC_B Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZC_C Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZC_D Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4]
4AZC_A	2.59e-23	33	379	3	350	Differentialinhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4]
4AZG_A	2.61e-23	33	379	4	351	Differentialinhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZG_B Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZH_A Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZH_B Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZH_C Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4],4AZH_D Differential inhibition of the tandem GH20 catalytic modules in the pneumococcal exo-beta-D-N-acetylglucosaminidase, StrH [Streptococcus pneumoniae TIGR4]

Swiss-Prot Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
P49610	1.28e-23	25	379	617	972	Beta-N-acetylhexosaminidase OS=Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4) OX=170187 GN=strH PE=1 SV=2
P96155	1.69e-12	41	280	263	494	Beta-hexosaminidase OS=Vibrio furnissii OX=29494 GN=exoI PE=1 SV=1
B2UPR7	1.04e-10	41	362	235	539	Beta-hexosaminidase Amuc_2136 OS=Akkermansia muciniphila (strain ATCC BAA-835 / DSM 22959 / JCM 33894 / BCRC 81048 / CCUG 64013 / CIP 107961 / Muc) OX=349741 GN=Amuc_2136 PE=1 SV=1
P13723	1.13e-10	39	362	156	446	Beta-hexosaminidase subunit A1 OS=Dictyostelium discoideum OX=44689 GN=hexa1 PE=1 SV=1
Q54468	1.46e-10	39	251	339	591	Chitobiase OS=Serratia marcescens OX=615 GN=chb PE=1 SV=1

SignalP and Lipop Annotations

This protein is predicted as SP

Other	SP_Sec_SPI	LIPO_Sec_SPII	TAT_Tat_SPI	TATLIP_Sec_SPII	PILIN_Sec_SPIII
0.000503	0.998607	0.000391	0.000166	0.000156	0.000152

TMHMM  Annotations     

start	end
7	24