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| Annotation rule MF_00685 |
General rule information
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| Accession | MF_00685 |
| Dates | 18-AUG-2003 (Created) 18-NOV-2019 (Last updated, Version 28) |
| Name | GlgB |
| Scope | Bacteria
Archaea; Thermoplasmata |
| Templates | P07762 (GLGB_ECOLI); P9WN45 (GLGB_MYCTU); Q8GQC5 (GLGB_DICCH): [Recover all] |
| Triggered by |
Propagated annotation
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Identifier, protein and gene names
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| Identifier |
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| Protein name |
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| Gene name |
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Comments
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| Function | Catalyzes the formation of the alpha-1,6-glucosidic linkages in glycogen by scission of a 1,4-alpha-linked oligosaccharide from growing alpha-1,4-glucan chains and the subsequent attachment of the oligosaccharide to the alpha-1,6 position. |
| Catalytic activity | Reaction=Transfers a segment of a (1->4)-alpha-D-glucan chain to a primary hydroxy group in a similar glucan chain.; EC=2.4.1.18; |
| Pathway | Glycan biosynthesis; glycogen biosynthesis. |
| Subunit | Monomer. |
| Similarity | Belongs to the glycosyl hydrolase 13 family. GlgB subfamily. |
Keywords
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Gene Ontology
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GO:0003844; Molecular function: 1,4-alpha-glucan branching enzyme activity.
GO:0005978; Biological process: glycogen biosynthetic process.
GO:0005978; Biological process: glycogen biosynthetic process.
Cross-references
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| Pfam | PF00128; Alpha-amylase; 1; |
| PF02806; Alpha-amylase_C; 1; | |
| PF02922; CBM_48; 1; | |
| TIGRFAMs | TIGR01515; branching_enzym; 1; |
Features
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| From: GLGB_MYCTU (P9WN45) | ||||||||||||
| Key | From | To | Description | Tag | Condition | FTGroup | ||||||
| ACT_SITE | 411 | 411 | Nucleophile | D | ||||||||
| ACT_SITE | 464 | 464 | Proton donor | E | ||||||||
Additional information
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| Size range | 611-838 amino acids |
| Related rules | None |
| Fusion | None |
| Comments | GlgB from M.tuberculosis is involved in the biosynthesis of both glycogen and capsular alpha-D-glucan. |