dbCAN-seq: a database of CAZyme sequence and annotation

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CAZyme Information: MGYG000002555_01129

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Basic Information help

Species

Megasphaera sp902388315

Lineage

Bacteria; Firmicutes_C; Negativicutes; Veillonellales; Megasphaeraceae; Megasphaera; Megasphaera sp902388315

CAZyme ID

MGYG000002555_01129

CAZy Family

GH18

CAZyme Description

hypothetical protein

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
578		64240.35	7.4976

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000002555	2144821	MAG	China	Asia

Gene Location

Start: 5; End: 1741 Strand: +

Full Sequence Download help

Enzyme Prediction help

No EC number prediction in MGYG000002555_01129.

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH18	243	562	1.5e-37	0.7027027027027027

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd02874	GH18_CFLE_spore_hydrolase	5.92e-53	196	569	28	310	Cortical fragment-lytic enzyme (CFLE) is a peptidoglycan hydrolase involved in bacterial endospore germination. CFLE is expressed as an inactive preprotein (called SleB) in the forespore compartment of sporulating cells. SleB translocates across the forespore inner membrane and is deposited as a mature enzyme in the cortex layer of the spore. As part of a sensory mechanism capable of initiating germination, CFLE degrades a spore-specific peptidoglycan constituent called muramic-acid delta-lactam that comprises the outer cortex. CFLE has a C-terminal glycosyl hydrolase family 18 (GH18) catalytic domain as well as two N-terminal LysM peptidoglycan-binding domains. In addition to SleB, this family includes YaaH, YdhD, and YvbX from Bacillus subtilis.
COG3858	YaaH	7.05e-35	134	390	28	331	Spore germination protein YaaH [Cell cycle control, cell division, chromosome partitioning].
smart00636	Glyco_18	3.39e-21	244	559	83	329	Glyco_18 domain.
pfam00704	Glyco_hydro_18	1.76e-15	267	385	103	227	Glycosyl hydrolases family 18.
cd02872	GH18_chitolectin_chitotriosidase	1.50e-11	237	383	81	245	This conserved domain family includes a large number of catalytically inactive chitinase-like lectins (chitolectins) including YKL-39, YKL-40 (HCGP39), YM1, oviductin, and AMCase (acidic mammalian chitinase), as well as catalytically active chitotriosidases. The conserved domain is an eight-stranded alpha/beta barrel fold belonging to the family 18 glycosyl hydrolases. The fold has a pronounced active-site cleft at the C-terminal end of the beta-barrel. The chitolectins lack a key active site glutamate (the proton donor required for hydrolytic activity) but retain highly conserved residues involved in oligosaccharide binding. Chitotriosidase is a chitinolytic enzyme expressed in maturing macrophages, which suggests that it plays a part in antimicrobial defense. Chitotriosidase hydrolyzes chitotriose, as well as colloidal chitin to yield chitobiose and is therefore considered an exochitinase. Chitotriosidase occurs in two major forms, the large form being converted to the small form by either RNA or post-translational processing. Although the small form, containing the chitinase domain alone, is sufficient for the chitinolytic activity, the additional C-terminal chitin-binding domain of the large form plays a role in processing colloidal chitin. The chitotriosidase gene is nonessential in humans, as about 35% of the population are heterozygous and 6% homozygous for an inactivated form of the gene. HCGP39 is a 39-kDa human cartilage glycoprotein thought to play a role in connective tissue remodeling and defense against pathogens.

CAZyme Hits help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
CCC74348.1	0.0	1	578	7	588
AVO74965.1	0.0	1	578	7	588
AVO27694.1	0.0	1	578	7	588
ALG42233.1	0.0	1	578	7	588
AXL22119.1	2.88e-204	1	578	7	558

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
4Q6T_A	3.39e-20	238	569	83	332	Thecrystal structure of a class V chitininase from Pseudomonas fluorescens Pf-5 [Pseudomonas protegens Pf-5]
3CZ8_A	6.37e-18	233	385	76	228	ChainA, Putative sporulation-specific glycosylase ydhD [Bacillus subtilis subsp. subtilis str. 168],3CZ8_B Chain B, Putative sporulation-specific glycosylase ydhD [Bacillus subtilis subsp. subtilis str. 168]
5JH8_A	9.63e-16	235	394	73	232	Crystalstructure of chitinase from Chromobacterium violaceum ATCC 12472 [Chromobacterium violaceum ATCC 12472]
4S3K_A	1.95e-08	197	385	138	331	ChainA, Spore germination protein YaaH [Priestia megaterium QM B1551]
4S3J_A	1.38e-07	235	413	178	343	Crystalstructure of the Bacillus cereus spore cortex-lytic enzyme SleL [Bacillus cereus ATCC 10876],4S3J_B Crystal structure of the Bacillus cereus spore cortex-lytic enzyme SleL [Bacillus cereus ATCC 10876],4S3J_C Crystal structure of the Bacillus cereus spore cortex-lytic enzyme SleL [Bacillus cereus ATCC 10876]

Swiss-Prot Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
O31682	1.83e-20	175	388	11	215	Putative glycosylase YkvQ OS=Bacillus subtilis (strain 168) OX=224308 GN=ykvQ PE=3 SV=1
O32258	8.57e-17	222	401	78	263	Uncharacterized glycosylase YvbX OS=Bacillus subtilis (strain 168) OX=224308 GN=yvbX PE=3 SV=1
O05495	9.51e-17	233	385	168	320	Putative sporulation-specific glycosylase YdhD OS=Bacillus subtilis (strain 168) OX=224308 GN=ydhD PE=1 SV=2
P37531	3.43e-08	214	569	150	416	Cortical fragment-lytic enzyme OS=Bacillus subtilis (strain 168) OX=224308 GN=sleL PE=1 SV=2
P0DPJ9	5.66e-07	235	413	177	342	Cortical fragment-lytic enzyme OS=Bacillus anthracis OX=1392 GN=sleL PE=2 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
0.000284	0.999014	0.000191	0.000172	0.000154	0.000138

TMHMM Annotations help

There is no transmembrane helices in MGYG000002555_01129.