dbCAN-seq: a database of CAZyme sequence and annotation

Basic Information help

Species

Acetivibrio_A ethanolgignens

Lineage

Bacteria; Firmicutes_A; Clostridia; Lachnospirales; Lachnospiraceae; Acetivibrio_A; Acetivibrio_A ethanolgignens

CAZyme ID

MGYG000002464_02420

CAZy Family

GH13

CAZyme Description

Glycogen operon protein GlgX

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
704	MGYG000002464_170\|CGC1	81073.61	5.2324

Genome Property

Genome Assembly ID	Genome Size	Genome Type	Country	Continent
MGYG000002464	3659621	Isolate	not provided	not provided

Gene Location

Start: 9072; End: 11186 Strand: +

Enzyme Prediction help

No EC number prediction in MGYG000002464_02420.

CAZyme Signature Domains help

Family	Start	End	Evalue	family coverage
GH13	197	550	4.3e-154	0.9971509971509972

CDD Domains download full data without filtering help

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
TIGR02100	glgX_debranch	0.0	44	699	8	686	glycogen debranching enzyme GlgX. This family consists of the GlgX protein from the E. coli glycogen operon and probable equivalogs from other prokaryotic species. GlgX is not required for glycogen biosynthesis, but instead acts as a debranching enzyme for glycogen catabolism. This model distinguishes GlgX from pullanases and other related proteins that also operate on alpha-1,6-glycosidic linkages. In the wide band between the trusted and noise cutoffs are functionally similar enzymes, mostly from plants, that act similarly but usually are termed isoamylase. [Energy metabolism, Biosynthesis and degradation of polysaccharides]
COG1523	PulA	0.0	44	699	21	689	Pullulanase/glycogen debranching enzyme [Carbohydrate transport and metabolism].
cd11326	AmyAc_Glg_debranch	0.0	161	592	1	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.
PRK03705	PRK03705	0.0	34	598	3	567	glycogen debranching protein GlgX.
PRK14510	PRK14510	1.36e-150	35	596	8	573	bifunctional glycogen debranching protein GlgX/4-alpha-glucanotransferase.

CAZyme Hits help

Hit ID	Query Start	Query End	Hit Start	Hit End
ASN96180.1	21	698	32	709
QRP39045.1	21	698	32	709
QIX89526.1	21	698	41	718
ANU44914.1	21	698	41	718
QQR00327.1	21	698	41	718

PDB Hits download full data without filtering help

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
4J7R_A	2.77e-168	47	666	71	788	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]
2VNC_A	1.40e-157	51	612	30	616	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]
2WSK_A	5.37e-122	51	598	20	567	Crystalstructure of Glycogen Debranching Enzyme GlgX from Escherichia coli K-12 [Escherichia coli K-12]
1BF2_A	7.03e-76	52	674	18	711	StructureOf Pseudomonas Isoamylase [Pseudomonas amyloderamosa]
3WDH_A	3.23e-53	44	625	112	648	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
D0TZF0	3.33e-190	31	704	92	783	Isoamylase 1, chloroplastic OS=Oryza sativa subsp. japonica OX=39947 GN=ISA1 PE=1 SV=1
O22637	4.35e-187	31	704	76	769	Isoamylase SU1, chloroplastic OS=Zea mays OX=4577 GN=SU1 PE=1 SV=1
O04196	5.11e-187	33	676	67	735	Isoamylase 1, chloroplastic OS=Arabidopsis thaliana OX=3702 GN=ISA1 PE=1 SV=1
Q9M0S5	5.72e-184	33	674	83	731	Isoamylase 3, chloroplastic OS=Arabidopsis thaliana OX=3702 GN=ISA3 PE=1 SV=2
B9G434	5.02e-181	44	674	109	748	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
1.000068	0.000001	0.000000	0.000000	0.000000	0.000000

TMHMM Annotations help

There is no transmembrane helices in MGYG000002464_02420.

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