dbCAN-seq: a database of CAZyme sequence and annotation

Basic Information help

Species

AM51-8 sp900546435

Lineage

Bacteria; Firmicutes_A; Clostridia; Lachnospirales; Lachnospiraceae; AM51-8; AM51-8 sp900546435

CAZyme ID

MGYG000004548_01081

CAZy Family

GH13

CAZyme Description

Glycogen debranching enzyme

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
621		72194.55	5.8742

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000004548	2412445	MAG	France	Europe

Gene Location

Start: 20336; End: 22201 Strand: -

Enzyme Prediction help

No EC number prediction in MGYG000004548_01081.

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH13	255	446	4.4e-36	0.6125356125356125

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
cd11326	AmyAc_Glg_debranch	9.30e-82	127	489	11	433	Alpha amylase catalytic domain found in glycogen debranching enzymes. Debranching enzymes facilitate the breakdown of glycogen through glucosyltransferase and glucosidase activity. These activities are performed by a single enzyme in mammals, yeast, and some bacteria, but by two distinct enzymes in Escherichia coli and other bacteria. Debranching enzymes perform two activities: 4-alpha-D-glucanotransferase (EC 2.4.1.25) and amylo-1,6-glucosidase (EC 3.2.1.33). 4-alpha-D-glucanotransferase catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. Amylo-alpha-1,6-glucosidase catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. In Escherichia coli, GlgX is the debranching enzyme and malQ is the 4-alpha-glucanotransferase. TreX, an archaeal glycogen-debranching enzyme has dual activities like mammals and yeast, but is structurally similar to GlgX. TreX exists in two oligomeric states, a dimer and tetramer. Isoamylase (EC 3.2.1.68) is one of the starch-debranching enzymes that catalyzes the hydrolysis of alpha-1,6-glucosidic linkages specific in alpha-glucans such as amylopectin or glycogen and their beta-limit dextrins. 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.
COG1523	PulA	2.40e-77	13	606	23	691	Pullulanase/glycogen debranching enzyme [Carbohydrate transport and metabolism].
PRK03705	PRK03705	5.42e-54	18	495	17	567	glycogen debranching protein GlgX.
PRK14510	PRK14510	8.63e-50	16	562	19	648	bifunctional glycogen debranching protein GlgX/4-alpha-glucanotransferase.
TIGR02104	pulA_typeI	2.02e-27	59	574	59	597	pullulanase, type I. Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. This family consists of pullulanases related to the subfamilies described in TIGR02102 and TIGR02103 but having a different domain architecture with shorter sequences. Members are called type I pullulanases.

CAZyme Hits help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
CBK74829.1	2.96e-194	1	612	1	617
QFJ55466.1	3.50e-189	1	605	5	614
VCV22339.1	2.92e-152	3	605	5	622
AEN96493.1	1.87e-134	3	604	16	630
CBK90497.1	3.55e-127	1	605	1	616

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
2VNC_A	2.12e-41	3	517	12	619	Crystalstructure of Glycogen Debranching enzyme TreX from Sulfolobus solfataricus [Saccharolobus solfataricus],2VNC_B Crystal structure of Glycogen Debranching enzyme TreX from Sulfolobus solfataricus [Saccharolobus solfataricus],2VR5_A Crystal structure of Trex from Sulfolobus Solfataricus in complex with acarbose intermediate and glucose [Saccharolobus solfataricus],2VR5_B Crystal structure of Trex from Sulfolobus Solfataricus in complex with acarbose intermediate and glucose [Saccharolobus solfataricus],2VUY_A Crystal structure of Glycogen Debranching exzyme TreX from Sulfolobus solfatarius [Saccharolobus solfataricus],2VUY_B Crystal structure of Glycogen Debranching exzyme TreX from Sulfolobus solfatarius [Saccharolobus solfataricus],7EAV_A Chain A, Glycogen debranching enzyme [Saccharolobus solfataricus],7EAV_B Chain B, Glycogen debranching enzyme [Saccharolobus solfataricus]
4J7R_A	4.71e-37	48	584	122	789	CrystalStructure of Chlamydomonas reinhardtii Isoamylase 1 (ISA1) [Chlamydomonas reinhardtii],4J7R_B Crystal Structure of Chlamydomonas reinhardtii Isoamylase 1 (ISA1) [Chlamydomonas reinhardtii],4OKD_A Crystal Structure of Chlamydomonas reinhardtii Isoamylase 1 (ISA1) in complex with maltoheptaose [Chlamydomonas reinhardtii],4OKD_B Crystal Structure of Chlamydomonas reinhardtii Isoamylase 1 (ISA1) in complex with maltoheptaose [Chlamydomonas reinhardtii]
2WSK_A	1.67e-31	2	487	3	559	Crystalstructure of Glycogen Debranching Enzyme GlgX from Escherichia coli K-12 [Escherichia coli K-12]
1BF2_A	3.77e-20	81	577	115	713	StructureOf Pseudomonas Isoamylase [Pseudomonas amyloderamosa]
3WDH_A	1.78e-11	84	536	184	676	Crystalstructure of Pullulanase from Anoxybacillus sp. LM18-11 [Anoxybacillus sp. LM18-11],3WDI_A Crystal structure of Pullulanase complexed with maltotriose from Anoxybacillus sp. LM18-11 [Anoxybacillus sp. LM18-11],3WDJ_A Crystal structure of Pullulanase complexed with maltotetraose from Anoxybacillus sp. LM18-11 [Anoxybacillus sp. LM18-11]

Swiss-Prot Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
Q9M0S5	2.52e-46	2	588	84	744	Isoamylase 3, chloroplastic OS=Arabidopsis thaliana OX=3702 GN=ISA3 PE=1 SV=2
A1JSI8	3.49e-42	18	496	17	570	Glycogen debranching enzyme OS=Yersinia enterocolitica serotype O:8 / biotype 1B (strain NCTC 13174 / 8081) OX=393305 GN=glgX PE=3 SV=1
O04196	4.68e-42	11	591	77	749	Isoamylase 1, chloroplastic OS=Arabidopsis thaliana OX=3702 GN=ISA1 PE=1 SV=1
O22637	7.73e-40	33	591	110	757	Isoamylase SU1, chloroplastic OS=Zea mays OX=4577 GN=SU1 PE=1 SV=1
B9G434	1.08e-38	24	588	119	761	Isoamylase 3, chloroplastic OS=Oryza sativa subsp. japonica OX=39947 GN=ISA3 PE=2 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
1.000043	0.000001	0.000000	0.000000	0.000000	0.000000

TMHMM Annotations help

There is no transmembrane helices in MGYG000004548_01081.

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