dbCAN-seq: a database of CAZyme sequence and annotation

Basic Information help

Species

Phytobacter ursingii

Lineage

Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Phytobacter; Phytobacter ursingii

CAZyme ID

MGYG000002521_04103

CAZy Family

CBM34

CAZyme Description

Maltodextrin glucosidase

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
605	MGYG000002521_5\|CGC45	69358.36	6.5439

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000002521	6166452	Isolate	United States	North America

Gene Location

Start: 3457782; End: 3459599 Strand: -

Enzyme Prediction help

EC	3.2.1.41	2.4.1.25	3.2.1.33	3.2.1.54	3.2.1.135

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH13	177	490	9.3e-142	0.9935064935064936
CBM34	5	116	1.6e-19	0.8916666666666667

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
PRK10785	PRK10785	0.0	1	596	2	598	maltodextrin glucosidase; Provisional
cd11338	AmyAc_CMD	1.04e-171	122	531	1	388	Alpha amylase catalytic domain found in cyclomaltodextrinases and related proteins. Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase.
pfam00128	Alpha-amylase	9.58e-106	177	493	1	334	Alpha amylase, catalytic domain. Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain.
COG0366	AmyA	3.22e-76	123	578	1	503	Glycosidase [Carbohydrate transport and metabolism].
cd11337	AmyAc_CMD_like	3.58e-52	124	530	1	326	Alpha amylase catalytic domain found in cyclomaltodextrinases and related proteins. Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). This group of CMDs is mainly bacterial. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase.

CAZyme Hits help

Hit ID	Query Start	Query End	Hit Start	Hit End
AKL13429.1	1	605	1	605
AUV02365.1	1	605	1	605
AUU89613.1	1	605	1	605
QIH64923.1	1	605	1	605
AUV10338.1	1	605	1	605

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
5BN7_A	0.0	1	602	3	604	Crystalstructure of maltodextrin glucosidase from E.coli at 3.7 A resolution [Escherichia coli K-12]
5Z0T_A	2.31e-83	79	579	90	598	Thermoactinomycesvulgaris R-47 alpha-amylase I (TVA I) mutant A357V/Q359N/Y360E (AQY/VNE) [Thermoactinomyces vulgaris],5Z0T_B Thermoactinomyces vulgaris R-47 alpha-amylase I (TVA I) mutant A357V/Q359N/Y360E (AQY/VNE) [Thermoactinomyces vulgaris]
1JI1_A	8.84e-83	79	579	90	598	CrystalStructure Analysis of Thermoactinomyces vulgaris R-47 alpha-Amylase 1 [Thermoactinomyces vulgaris],1JI1_B Crystal Structure Analysis of Thermoactinomyces vulgaris R-47 alpha-Amylase 1 [Thermoactinomyces vulgaris],1UH3_A Thermoactinomyces vulgaris R-47 alpha-amylase/acarbose complex [Thermoactinomyces vulgaris]
1IZK_A	1.73e-82	79	579	90	598	ChainA, amylase [Thermoactinomyces vulgaris]
1IZJ_A	4.72e-82	79	579	90	598	ChainA, amylase [Thermoactinomyces vulgaris]

Swiss-Prot Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
P21517	0.0	1	602	1	602	Maltodextrin glucosidase OS=Escherichia coli (strain K12) OX=83333 GN=malZ PE=1 SV=5
Q60053	9.26e-82	79	579	119	627	Neopullulanase 1 OS=Thermoactinomyces vulgaris OX=2026 GN=tvaI PE=1 SV=1
Q08341	1.06e-77	48	570	55	548	Cyclomaltodextrinase OS=Lysinibacillus sphaericus OX=1421 PE=1 SV=1
Q59226	1.39e-76	13	561	27	536	Cyclomaltodextrinase OS=Bacillus sp. OX=1409 GN=CDI5 PE=1 SV=1
Q08751	1.40e-75	70	584	73	568	Neopullulanase 2 OS=Thermoactinomyces vulgaris OX=2026 GN=tvaII PE=1 SV=1

SignalP and Lipop Annotations help

This protein is predicted as OTHER

Other	SP_Sec_SPI	LIPO_Sec_SPII	TAT_Tat_SPI	TATLIP_Sec_SPII	PILIN_Sec_SPIII
0.999997	0.000032	0.000006	0.000000	0.000000	0.000001

TMHMM Annotations help

There is no transmembrane helices in MGYG000002521_04103.

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