Q31IB6 · GLGB_HYDCU

Function

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

  • 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 (UniProtKB | ENZYME | Rhea)

Pathway

Glycan biosynthesis; glycogen biosynthesis.

Features

Showing features for active site.

1726100200300400500600700
TypeIDPosition(s)Description
Active site407Nucleophile
Active site460Proton donor

GO annotations

AspectTerm
Cellular Componentcytosol
Molecular Function1,4-alpha-glucan branching enzyme activity
Molecular Function1,4-alpha-glucan branching enzyme activity (using a glucosylated glycogenin as primer for glycogen synthesis)
Molecular Functioncation binding
Molecular Functionhydrolase activity, hydrolyzing O-glycosyl compounds
Biological Processglycogen biosynthetic process

Keywords

Enzyme and pathway databases

Protein family/group databases

    • CBM48Carbohydrate-Binding Module Family 48
    • GH13Glycoside Hydrolase Family 13

Names & Taxonomy

Protein names

  • Recommended name
    1,4-alpha-glucan branching enzyme GlgB
  • EC number
  • Alternative names
    • 1,4-alpha-D-glucan:1,4-alpha-D-glucan 6-glucosyl-transferase
    • Alpha-(1->4)-glucan branching enzyme
    • Glycogen branching enzyme
      (BE
      )

Gene names

    • Name
      glgB
    • Ordered locus names
      Tcr_0511

Organism names

Accessions

  • Primary accession
    Q31IB6

Subcellular Location

PTM/Processing

Features

Showing features for chain.

TypeIDPosition(s)Description
ChainPRO_00002607121-7261,4-alpha-glucan branching enzyme GlgB

Interaction

Subunit

Monomer.

Protein-protein interaction databases

Structure

Family & Domains

Sequence similarities

Belongs to the glycosyl hydrolase 13 family. GlgB subfamily.

Phylogenomic databases

Family and domain databases

Sequence

  • Sequence status
    Complete
  • Length
    726
  • Mass (Da)
    84,006
  • Last updated
    2005-12-06 v1
  • Checksum
    C935A8F3EF9889BC
MMNQTVTEEAVRRLAEGTHHDPFQILGCHAVGKKWEVRVWLPTAESASVEGWHALTRVEGTSLFIASLTEKQKKALPLHFKVNWVEANGSEHTVVSPYTFLPQLGELDLHLYAEGRHWHVYDVLGAQVKEVDNISGVQFSVWAPAASRVSVVGDFNGWNGLRHPMRTNGQSGVWELFIPGMVSGDIYKFEIRNYQTDQLLVKTDPYAKAMEFRPQTGSIVYDSTFQWQDRDWLAARAHFDWQASPINIYEVHLGSWQRDHDGFFLNYKEIAQRLVEYVKWMGYTHIELLPISEHPLDESWGYQTTGYFSPTSRFGSPDDFRYFVNYCHENGIGVFLDWVPAHFPKDEFALARFDGTALYEHEDPRRGEHQDWGTYIFNYGRNEVRNFLIANALYWLKELHIDGLRVDAVASMLYLDYSRKDGDWLPNQYGGRENIEAIEFLKTLNAEVHAQCPGALMMAEESTSWPMVSRPTWMGGLGFSMKWNMGWMNDTLDFFQQDPIYRPYHHNQLTFSQMYAYSENFILPLSHDEVVHMKHALVSKMPGDTWQKMANMRLLMGYQTLNPGKKLLFMGGEFAQWQEWSESRGLDWYLCEQPANRGVQMLVRDLNLLYQTSPALYCHDFDQEGFEWIDCHDYEQSVLSFVRISEKESLICVFNFTPVPRYDYRIGLPETGIYEEVLNSDSELYGGGNVGNSGQLTTEDQRWMNRPCSTTLVLPPLAVVVLRKKS

Sequence databases

Nucleotide SequenceProtein SequenceMolecule TypeStatus
CP000109
EMBL· GenBank· DDBJ
ABB41107.1
EMBL· GenBank· DDBJ
Genomic DNA

Genome annotation databases

Similar Proteins

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