dbCAN-seq: a database of CAZyme sequence and annotation

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CAZyme Information: MGYG000003839_00066

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Basic Information help

Species

Lineage

Bacteria; Firmicutes_A; Clostridia; Oscillospirales; CAG-272; UMGS902;

CAZyme ID

MGYG000003839_00066

CAZy Family

GH18

CAZyme Description

hypothetical protein

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
582		64535.03	6.7767

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000003839	1300970	MAG	United States	North America

Gene Location

Start: 18909; End: 20657 Strand: -

Full Sequence Download help

Enzyme Prediction help

EC	3.2.1.14

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH18	46	393	1.3e-75	0.9763513513513513

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd06548	GH18_chitinase	2.35e-117	49	382	1	322	The GH18 (glycosyl hydrolases, family 18) type II chitinases hydrolyze chitin, an abundant polymer of N-acetylglucosamine and have been identified in bacteria, fungi, insects, plants, viruses, and protozoan parasites. The structure of this domain is an eight-stranded alpha/beta barrel with a pronounced active-site cleft at the C-terminal end of the beta-barrel.
smart00636	Glyco_18	4.12e-108	49	382	2	334	Glyco_18 domain.
COG3325	ChiA	1.38e-95	40	389	31	430	Chitinase, GH18 family [Carbohydrate transport and metabolism].
pfam00704	Glyco_hydro_18	6.42e-92	49	382	2	307	Glycosyl hydrolases family 18.
cd02872	GH18_chitolectin_chitotriosidase	1.07e-80	49	382	1	341	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
QCI60723.1	1.30e-207	50	582	40	572
QNL43287.1	2.42e-203	45	577	26	554
BCK83697.1	4.89e-200	50	576	1	525
QUO36603.1	5.65e-168	41	577	31	558
QHI73896.1	6.23e-120	47	393	16	361

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
1ITX_A	6.35e-81	41	387	6	411	ChainA, Glycosyl Hydrolase [Niallia circulans]
6KST_A	7.94e-78	49	388	9	363	Crystalstructure of the catalytic domain of chitinase ChiL from Chitiniphilus shinanonensis (CsChiL) [Chitiniphilus shinanonensis],6KST_B Crystal structure of the catalytic domain of chitinase ChiL from Chitiniphilus shinanonensis (CsChiL) [Chitiniphilus shinanonensis],6KXL_A Crystal structure of the catalytic domain of Chitiniphilus shinanonensis chitinase ChiL (CsChiL) complexed with N,N'-diacetylchitobiose [Chitiniphilus shinanonensis],6KXL_B Crystal structure of the catalytic domain of Chitiniphilus shinanonensis chitinase ChiL (CsChiL) complexed with N,N'-diacetylchitobiose [Chitiniphilus shinanonensis]
6KXM_A	4.34e-77	49	388	9	363	Crystalstructure of D157N mutant of Chitiniphilus shinanonensis chitinase ChiL (CsChiL) complexed with N,N'-diacetylchitobiose [Chitiniphilus shinanonensis],6KXM_B Crystal structure of D157N mutant of Chitiniphilus shinanonensis chitinase ChiL (CsChiL) complexed with N,N'-diacetylchitobiose [Chitiniphilus shinanonensis]
6KXN_A	9.23e-76	49	388	9	363	Crystalstructure of W50A mutant of Chitiniphilus shinanonensis chitinase ChiL (CsChiL) complexed with N,N'-diacetylchitobiose [Chitiniphilus shinanonensis],6KXN_B Crystal structure of W50A mutant of Chitiniphilus shinanonensis chitinase ChiL (CsChiL) complexed with N,N'-diacetylchitobiose [Chitiniphilus shinanonensis]
6BT9_A	7.39e-65	45	384	35	450	ChitinaseChiA74 from Bacillus thuringiensis [Bacillus thuringiensis],6BT9_B Chitinase ChiA74 from Bacillus thuringiensis [Bacillus thuringiensis]

Swiss-Prot Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
P20533	3.18e-77	41	387	38	443	Chitinase A1 OS=Niallia circulans OX=1397 GN=chiA1 PE=1 SV=1
P07254	3.38e-47	44	387	155	549	Chitinase A OS=Serratia marcescens OX=615 GN=chiA PE=1 SV=3
Q92222	8.77e-44	50	418	7	383	Endochitinase B OS=Emericella nidulans OX=162425 GN=chiB PE=1 SV=3
G5EAZ3	8.77e-44	50	418	7	383	Endochitinase B OS=Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) OX=227321 GN=chiB PE=1 SV=1
P32470	1.34e-41	52	397	43	400	Chitinase 1 OS=Aphanocladium album OX=12942 GN=CHI1 PE=1 SV=2

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
0.046775	0.855481	0.096179	0.000649	0.000427	0.000452

TMHMM Annotations help

There is no transmembrane helices in MGYG000003839_00066.