CAZyme Information: MGYG000000125_02266

Basic Information

• Species: Clostridium_B tyrobutyricum
• Lineage: Bacteria; Firmicutes_A; Clostridia; Clostridiales; Clostridiaceae; Clostridium_B; Clostridium_B tyrobutyricum
• CAZyme ID: MGYG000000125_02266
• CAZy Family: CE4
• CAZyme Description: Peptidoglycan-N-acetylmuramic acid deacetylase PdaA

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
251		28637.98	8.5702

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000000125	3256597	Isolate	Canada	North America

• Gene Location: Start: 49181; End: 49936 Strand: +

Full Sequence      

MRIRAQKKLFMVCILVIIGSVFSLLINYKNTGVFMGINKKLPIYCVDTKDKKISISFDVS
LGNTEHTKEILDILDKYKIKATFFVVGDWVNKYPDMLKQISERGNELGNHSNRHPDMTQL
SKDKILEDINVNEAKIRNITGTGTKLFRFPAGSYNDEAVSVVESSGYKCIQWNVDSVDWM
EKGSDIEYKKVIENTEPGSILLFHSSAKYTPENLPKIIETLENKGYKFVTVGDLIYKDNY
KIDQSGKQVKD

Enzyme Prediction     

No EC number prediction in MGYG000000125_02266.

CAZyme Signature Domains

Family	Start	End	Evalue	family coverage
CE4	46	170	1.9e-32	0.9307692307692308

CDD Domains     

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd10917	CE4_NodB_like_6s_7s	3.66e-67	51	221	1	170	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.
cd10950	CE4_BsYlxY_like	2.56e-61	47	235	2	188	Putative catalytic NodB homology domain of uncharacterized protein YlxY from Bacillus subtilis and its bacterial homologs. The Bacillus subtilis genome contains six polysaccharide deacetylase gene homologs: pdaA, pdaB (previously known as ybaN), yheN, yjeA, yxkH and ylxY. This family is represented by Bacillus subtilis putative polysaccharide deacetylase BsYlxY, encoded by the ylxY gene, which is a member of the carbohydrate esterase 4 (CE4) superfamily. Although its biological function still remains unknown, BsYlxY shows high sequence homology to the catalytic domain of Bacillus subtilis pdaB gene encoding a putative polysaccharide deacetylase (BsPdaB), which is essential for the maintenance of spores after the late stage of sporulation and is highly conserved in spore-forming bacteria. However, disruption of the ylxY gene in B. subtilis did not cause any sporulation defect. Moreover, the Asp residue in the classical His-His-Asp zinc-binding motif of CE4 esterases is mutated to a Val residue in this family. Other catalytically relevant residues of CE4 esterases are also not conserved, which suggest that members of this family may be inactive.
cd10949	CE4_BsPdaB_like	8.36e-55	48	235	1	190	Putative catalytic NodB homology domain of Bacillus subtilis putative polysaccharide deacetylase PdaB, and its bacterial homologs. The Bacillus subtilis genome contains six polysaccharide deacetylase gene homologs: pdaA, pdaB (previously known as ybaN), yheN, yjeA, yxkH and ylxY. This family is represented by the putative polysaccharide deacetylase PdaB encoded by the pdaB gene on sporulation of Bacillus subtilis. Although its biochemical properties remain to be determined, the PdaB (YbaN) protein is essential for maintaining spores after the late stage of sporulation and is highly conserved in spore-forming bacteria. The glycans of the spore cortex may be candidate PdaB substrates. Based on sequence similarity, the family members are classified as carbohydrate esterase 4 (CE4) superfamily members. However, the classical His-His-Asp zinc-binding motif of CE4 esterases is missing in this family.
cd10954	CE4_CtAXE_like	5.48e-54	51	234	1	180	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.
cd10947	CE4_SpPgdA_BsYjeA_like	1.24e-50	51	231	1	177	Catalytic NodB homology domain of Streptococcus pneumoniae peptidoglycan deacetylase PgdA, Bacillus subtilis BsYjeA protein, and their bacterial homologs. This family is represented by Streptococcus pneumoniae peptidoglycan GlcNAc deacetylase (SpPgdA), a member of the carbohydrate esterase 4 (CE4) superfamily. SpPgdA protects gram-positive bacterial cell wall from host lysozymes by deacetylating peptidoglycan N-acetylglucosamine (GlcNAc) residues. It consists of three separate domains: N-terminal, middle and C-terminal (catalytic) domains. The catalytic NodB homology domain is similar to the deformed (beta/alpha)8 barrel fold adopted by other CE4 esterases, which harbors a mononuclear metalloenzyme employing a conserved His-His-Asp zinc-binding triad closely associated with conserved catalytic base (aspartic acid) and acid (histidine) to carry out acid/base catalysis. The enzyme is able to accept GlcNAc3 as a substrate, with the N-acetyl of the middle sugar being removed by the enzyme. This family also includes Bacillus subtilis BsYjeA protein encoded by the yjeA gene, which is one of the six polysaccharide deacetylase gene homologs (pdaA, pdaB/ybaN, yheN, yjeA, yxkH and ylxY) in the Bacillus subtilis genome. Although homology comparison shows that the BsYjeA protein contains a polysaccharide deacetylase domain, and was predicted to be a membrane-bound xylanase or a membrane-bound chitooligosaccharide deacetylase, more recent research indicates BsYjeA might be a novel non-specific secretory endonuclease which creates random nicks progressively on the two strands of dsDNA, resulting in highly distinguishable intermediates/products very different in chemical and physical compositions over time. In addition, BsYjeA shares several enzymatic properties with the well-understood DNase I endonuclease. Both enzymes are active on ssDNA and dsDNA, both generate random nicks, and both require Mg2+ or Mn2+ for hydrolytic activity.

CAZyme Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
AND85770.1	7.19e-183	1	251	1	251
QNB68078.1	7.19e-183	1	251	1	251
ANP70288.1	7.19e-183	1	251	1	251
APM40450.1	2.45e-121	1	251	1	250
QXE18544.1	3.49e-121	1	250	1	249

PDB Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
7FBW_A	9.92e-39	51	237	117	302	ChainA, Predicted xylanase/chitin deacetylase [Caldanaerobacter subterraneus subsp. tengcongensis MB4]
1W1A_1	4.13e-36	37	242	46	254	Structureof Bacillus subtilis PdaA in complex with NAG, a family 4 Carbohydrate esterase. [Bacillus subtilis],1W1A_2 Structure of Bacillus subtilis PdaA in complex with NAG, a family 4 Carbohydrate esterase. [Bacillus subtilis],1W1B_1 Structure of Bacillus subtilis PdaA with Cadmium, a family 4 Carbohydrate esterase. [Bacillus subtilis],1W1B_2 Structure of Bacillus subtilis PdaA with Cadmium, a family 4 Carbohydrate esterase. [Bacillus subtilis]
1W17_A	4.78e-36	37	242	52	260	Structureof Bacillus subtilis PdaA, a family 4 Carbohydrate esterase. [Bacillus subtilis],1W17_B Structure of Bacillus subtilis PdaA, a family 4 Carbohydrate esterase. [Bacillus subtilis]
2J13_A	8.96e-36	19	235	34	242	Structureof a family 4 carbohydrate esterase from Bacillus anthracis [Bacillus anthracis str. Ames]
1NY1_A	2.09e-35	37	242	29	237	CrystalStructure Of B. Subtilis Polysaccharide Deacetylase Northeast Structural Genomics Consortium Target Sr127. [Bacillus subtilis],1NY1_B Crystal Structure Of B. Subtilis Polysaccharide Deacetylase Northeast Structural Genomics Consortium Target Sr127. [Bacillus subtilis]

Swiss-Prot Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
Q04729	3.84e-39	37	241	53	260	Uncharacterized 30.6 kDa protein in fumA 3'region OS=Geobacillus stearothermophilus OX=1422 PE=3 SV=1
O34928	2.62e-35	37	242	52	260	Peptidoglycan-N-acetylmuramic acid deacetylase PdaA OS=Bacillus subtilis (strain 168) OX=224308 GN=pdaA PE=1 SV=1
P50850	3.99e-32	42	235	121	312	Uncharacterized protein YlxY OS=Bacillus subtilis (strain 168) OX=224308 GN=ylxY PE=3 SV=2
Q8DP63	1.35e-30	47	235	263	448	Peptidoglycan-N-acetylglucosamine deacetylase OS=Streptococcus pneumoniae (strain ATCC BAA-255 / R6) OX=171101 GN=pgdA PE=1 SV=1
P50865	6.05e-30	3	241	9	249	Probable polysaccharide deacetylase PdaB OS=Bacillus subtilis (strain 168) OX=224308 GN=pdaB PE=3 SV=2

SignalP and Lipop Annotations

This protein is predicted as OTHER

Other	SP_Sec_SPI	LIPO_Sec_SPII	TAT_Tat_SPI	TATLIP_Sec_SPII	PILIN_Sec_SPIII
0.994096	0.005567	0.000150	0.000037	0.000019	0.000143

TMHMM  Annotations     

start	end
9	28