CAZyme Information: MGYG000002861_00105

Basic Information

• Species: Megasphaera sp900539295
• Lineage: Bacteria; Firmicutes_C; Negativicutes; Veillonellales; Megasphaeraceae; Megasphaera; Megasphaera sp900539295
• CAZyme ID: MGYG000002861_00105
• CAZy Family: CE4
• CAZyme Description: hypothetical protein

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
301		33515.21	6.9132

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000002861	2242985	MAG	United States	North America

• Gene Location: Start: 106985; End: 107890 Strand: -

Full Sequence      

MKQKGRLFFGCLVCAALVTLGFILNIDRDEVIAAAEEGHVPPVKEILPVKPDVVFVGDDF
SLPSVDNDKPVYDKYTTRQRQAKGLPTTYGGTRDYYYGDNVVYLTFDDGPNDKNTPRILE
ILKKENIKATFFLTGQNVVRYPDVVKQIYQSGNGMGLHSYTHDYKKLYQSPTAYVDEMMN
TEDAIYNIIGVRPIISRAPGGTKGHFTDAFWPAIENLGYIEVGWNALTGDADGTGKSAGK
AVENIRQQLELRPYLHRHLVILMHDASGHGATVDALPGIIKLLKDRGYTFRVVTTAIPPS
W

Enzyme Prediction     

No EC number prediction in MGYG000002861_00105.

CAZyme Signature Domains

Family	Start	End	Evalue	family coverage
CE4	99	203	4.6e-26	0.7769230769230769

CDD Domains     

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd10944	CE4_SmPgdA_like	1.14e-83	101	292	2	189	Catalytic NodB homology domain of Streptococcus mutans polysaccharide deacetylase PgdA, Bacillus subtilis YheN, and similar proteins. This family is represented by a putative polysaccharide deacetylase PgdA from the oral pathogen Streptococcus mutans (SmPgdA) and Bacillus subtilis YheN (BsYheN), which are members of the carbohydrate esterase 4 (CE4) superfamily. SmPgdA is an extracellular metal-dependent polysaccharide deacetylase with a typical CE4 fold, with metal bound to a His-His-Asp triad. It possesses de-N-acetylase activity toward a hexamer of chitooligosaccharide N-acetylglucosamine, but not shorter chitooligosaccharides or a synthetic peptidoglycan tetrasaccharide. SmPgdA plays a role in tuning cell surface properties and in interactions with (salivary) agglutinin, an essential component of the innate immune system, most likely through deacetylation of an as-yet-unidentified polysaccharide. SmPgdA shows significant homology to the catalytic domains of peptidoglycan deacetylases from Streptococcus pneumoniae (SpPgdA) and Listeria monocytogenes (LmPgdA), both of which are involved in the bacterial defense mechanism against human mucosal lysozyme. The Bacillus subtilis genome contains six polysaccharide deacetylase gene homologs: pdaA, pdaB (previously known as ybaN), yheN, yjeA, yxkH and ylxY. The biological function of BsYheN is still unknown. This family also includes many uncharacterized polysaccharide deacetylases mainly found in bacteria.
cd10917	CE4_NodB_like_6s_7s	6.00e-55	100	284	1	171	Catalytic NodB homology domain of rhizobial NodB-like proteins. This family belongs to the large and functionally diverse carbohydrate esterase 4 (CE4) superfamily, whose members show strong sequence similarity with some variability due to their distinct carbohydrate substrates. It includes many rhizobial NodB chitooligosaccharide N-deacetylase (EC 3.5.1.-)-like proteins, mainly from bacteria and eukaryotes, such as chitin deacetylases (EC 3.5.1.41), bacterial peptidoglycan N-acetylglucosamine deacetylases (EC 3.5.1.-), and acetylxylan esterases (EC 3.1.1.72), which catalyze the N- or O-deacetylation of substrates such as acetylated chitin, peptidoglycan, and acetylated xylan. All members of this family contain a catalytic NodB homology domain with the same overall topology and a deformed (beta/alpha)8 barrel fold with 6- or 7 strands. Their catalytic activity is dependent on the presence of a divalent cation, preferably cobalt or zinc, and they employ a conserved His-His-Asp zinc-binding triad closely associated with the conserved catalytic base (aspartic acid) and acid (histidine) to carry out acid/base catalysis. Several family members show diversity both in metal ion specificities and in the residues that coordinate the metal.
cd10962	CE4_GT2-like	3.37e-46	102	297	3	195	Catalytic NodB homology domain of uncharacterized bacterial glycosyl transferase, group 2-like family proteins. This family includes many uncharacterized bacterial proteins containing an N-terminal GH18 (glycosyl hydrolase, family 18) domain, a middle NodB-like homology domain, and a C-terminal GT2-like (glycosyl transferase group 2) domain. Although their biological function is unknown, members in this family contain a middle NodB homology domain that is similar to the catalytic domain of Streptococcus pneumoniae polysaccharide deacetylase PgdA (SpPgdA), an extracellular metal-dependent polysaccharide deacetylase with de-N-acetylase activity toward a hexamer of chitooligosaccharide N-acetylglucosamine, but not shorter chitooligosaccharides or a synthetic peptidoglycan tetrasaccharide. Like SpPgdA, this family is a member of the carbohydrate esterase 4 (CE4) superfamily. The presence of three domains suggests that members of this family may be multifunctional.
cd10954	CE4_CtAXE_like	7.38e-43	101	294	2	176	Catalytic NodB homology domain of Clostridium thermocellum acetylxylan esterase and its bacterial homologs. This family is represented by Clostridium thermocellum acetylxylan esterase (CtAXE, EC 3.1.1.72), a member of the carbohydrate esterase 4 (CE4) superfamily. CtAXE deacetylates O-acetylated xylan, a key component of plant cell walls. It shows no detectable activity on generic esterase substrates including para-nitrophenyl acetate. It is specific for sugar-based substrates and will precipitate acetylxylan, as a consequence of deacetylation. CtAXE is a monomeric protein containing a catalytic NodB homology domain with the same overall topology and a deformed (beta/alpha)8 barrel fold as other CE4 esterases. However, due to differences in the topography of the substrate-binding groove, the chemistry of the active center, and metal ion coordination, CtAXE has different metal ion preference and lacks activity on N-acetyl substrates. It is significantly activated by Co2+. Moreover, CtAXE displays distinctly different ligand coordination to the metal ion, utilizing an aspartate, a histidine, and four water molecules, as opposed to the conserved His-His-Asp zinc-binding triad of other CE4 esterases.
TIGR02764	spore_ybaN_pdaB	2.06e-41	99	293	5	187	polysaccharide deacetylase family sporulation protein PdaB. This model describes the YbaN protein family, also called PdaB and SpoVIE, of Gram-positive bacteria. Although ybaN null mutants have only a mild sporulation defect, ybaN/ytrI double mutants show drastically reducted sporulation efficiencies. This synthetic defect suggests the role of this sigmaE-controlled gene in sporulation had been masked by functional redundancy. Members of this family are homologous to a characterized polysaccharide deacetylase; the exact function this protein family is unknown. [Cellular processes, Sporulation and germination]

CAZyme Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
CCC72509.1	5.35e-180	1	301	1	300
AVO73966.1	5.35e-180	1	301	1	300
ALG41377.1	5.35e-180	1	301	1	300
AVO26783.1	6.23e-179	1	301	1	300
AXB82903.1	1.02e-145	3	301	1	292

PDB Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
5NC6_A	4.51e-30	101	291	2	187	Crystalstructure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (E)-N-hydroxy-3-(naphthalen-1-yl)prop-2-enamide [Bacillus cereus]
5N1J_A	4.63e-30	101	291	3	188	Crystalstructure of the polysaccharide deacetylase Bc1974 from Bacillus cereus [Bacillus cereus],5N1J_B Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus [Bacillus cereus],5N1J_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus [Bacillus cereus],5N1J_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus [Bacillus cereus],5N1P_A Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with N-hydroxynaphthalene-1-carboxamide [Bacillus cereus],5N1P_B Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with N-hydroxynaphthalene-1-carboxamide [Bacillus cereus],5N1P_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with N-hydroxynaphthalene-1-carboxamide [Bacillus cereus],5N1P_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with N-hydroxynaphthalene-1-carboxamide [Bacillus cereus]
5NC9_A	1.25e-29	101	291	44	229	Crystalstructure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2,6-diamino-N-hydroxyhexanamide [Bacillus cereus ATCC 14579],5NC9_B Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2,6-diamino-N-hydroxyhexanamide [Bacillus cereus ATCC 14579],5NC9_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2,6-diamino-N-hydroxyhexanamide [Bacillus cereus ATCC 14579],5NC9_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2,6-diamino-N-hydroxyhexanamide [Bacillus cereus ATCC 14579],5NCD_A Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2-amino-5-(diaminomethylideneamino)-N-hydroxypentanamide [Bacillus cereus],5NCD_B Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2-amino-5-(diaminomethylideneamino)-N-hydroxypentanamide [Bacillus cereus],5NCD_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2-amino-5-(diaminomethylideneamino)-N-hydroxypentanamide [Bacillus cereus],5NCD_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (2S)-2-amino-5-(diaminomethylideneamino)-N-hydroxypentanamide [Bacillus cereus],5NEK_A Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with acetazolamide [Bacillus cereus],5NEK_B Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with acetazolamide [Bacillus cereus],5NEK_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with acetazolamide [Bacillus cereus],5NEK_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with acetazolamide [Bacillus cereus],5NEL_A Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with ThiametG [Bacillus cereus],5NEL_B Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with ThiametG [Bacillus cereus],5NEL_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with ThiametG [Bacillus cereus],5NEL_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with ThiametG [Bacillus cereus]
5NC6_B	2.23e-29	101	291	70	255	Crystalstructure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (E)-N-hydroxy-3-(naphthalen-1-yl)prop-2-enamide [Bacillus cereus],5NC6_C Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (E)-N-hydroxy-3-(naphthalen-1-yl)prop-2-enamide [Bacillus cereus],5NC6_D Crystal structure of the polysaccharide deacetylase Bc1974 from Bacillus cereus in complex with (E)-N-hydroxy-3-(naphthalen-1-yl)prop-2-enamide [Bacillus cereus]
7FBW_A	3.07e-26	102	294	119	297	ChainA, Predicted xylanase/chitin deacetylase [Caldanaerobacter subterraneus subsp. tengcongensis MB4]

Swiss-Prot Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
O07596	1.33e-31	98	299	83	279	Putative polysaccharide deacetylase YheN OS=Bacillus subtilis (strain 168) OX=224308 GN=yheN PE=3 SV=1
Q81EJ6	1.22e-28	101	291	70	255	Peptidoglycan-N-acetylglucosamine deacetylase BC_1974 OS=Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711) OX=226900 GN=BC_1974 PE=1 SV=1
Q8DP63	5.15e-23	101	293	269	444	Peptidoglycan-N-acetylglucosamine deacetylase OS=Streptococcus pneumoniae (strain ATCC BAA-255 / R6) OX=171101 GN=pgdA PE=1 SV=1
Q81EK9	9.31e-21	97	300	78	271	Peptidoglycan-N-acetylglucosamine deacetylase BC_1960 OS=Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711) OX=226900 GN=BC_1960 PE=1 SV=1
Q04729	2.08e-20	95	291	59	248	Uncharacterized 30.6 kDa protein in fumA 3'region OS=Geobacillus stearothermophilus OX=1422 PE=3 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
0.290390	0.662069	0.045896	0.000585	0.000402	0.000637

TMHMM  Annotations     

start	end
7	26