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Protein

1,4-alpha-glucan branching enzyme GlgB

Gene

glgB

Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

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.By similarity

Catalytic activityi

Transfers a segment of a (1->4)-alpha-D-glucan chain to a primary hydroxy group in a similar glucan chain.

Pathwayi: glycogen biosynthesis

This protein is involved in the pathway glycogen biosynthesis, which is part of Glycan biosynthesis.
View all proteins of this organism that are known to be involved in the pathway glycogen biosynthesis and in Glycan biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei433NucleophileBy similarity1
Active sitei486Proton donorBy similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosyltransferase, Transferase
Biological processCarbohydrate metabolism, Glycogen biosynthesis, Glycogen metabolism

Enzyme and pathway databases

UniPathwayiUPA00164

Protein family/group databases

CAZyiCBM48 Carbohydrate-Binding Module Family 48
GH13 Glycoside Hydrolase Family 13

Names & Taxonomyi

Protein namesi
Recommended name:
1,4-alpha-glucan branching enzyme GlgB (EC:2.4.1.18)
Alternative name(s):
1,4-alpha-D-glucan:1,4-alpha-D-glucan 6-glucosyl-transferase
Alpha-(1->4)-glucan branching enzyme
Glycogen branching enzyme
Short name:
BE
Gene namesi
Name:glgB
Ordered Locus Names:sll0158
OrganismiSynechocystis sp. (strain PCC 6803 / Kazusa)
Taxonomic identifieri1111708 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesMerismopediaceaeSynechocystis
Proteomesi
  • UP000001425 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001887581 – 7701,4-alpha-glucan branching enzyme GlgBAdd BLAST770

Proteomic databases

PaxDbiP52981
PRIDEiP52981

Interactioni

Subunit structurei

Monomer.By similarity

Protein-protein interaction databases

IntActiP52981, 1 interactor
STRINGi1148.SYNGTS_2110

Structurei

3D structure databases

ProteinModelPortaliP52981
SMRiP52981
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Phylogenomic databases

HOGENOMiHOG000283037
InParanoidiP52981
KOiK00700
OMAiEVVHGKS
PhylomeDBiP52981

Family and domain databases

Gene3Di2.60.40.10, 1 hit
2.60.40.1180, 1 hit
HAMAPiMF_00685 GlgB, 1 hit
InterProiView protein in InterPro
IPR006048 A-amylase/branching_C
IPR037439 Branching_enzy
IPR006407 GlgB
IPR006047 Glyco_hydro_13_cat_dom
IPR004193 Glyco_hydro_13_N
IPR013780 Glyco_hydro_b
IPR017853 Glycoside_hydrolase_SF
IPR013783 Ig-like_fold
IPR014756 Ig_E-set
PANTHERiPTHR43651 PTHR43651, 2 hits
PfamiView protein in Pfam
PF00128 Alpha-amylase, 1 hit
PF02806 Alpha-amylase_C, 1 hit
PF02922 CBM_48, 2 hits
PIRSFiPIRSF000463 GlgB, 1 hit
SMARTiView protein in SMART
SM00642 Aamy, 1 hit
SUPFAMiSSF51445 SSF51445, 1 hit
SSF81296 SSF81296, 2 hits
TIGRFAMsiTIGR01515 branching_enzym, 1 hit

Sequencei

Sequence statusi: Complete.

P52981-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTYTINADQV HQIVHNLHHD PFEVLGCHPL GDHGKVNQWV IRAYLPTAEA
60 70 80 90 100
VTVLLPTDRR EVIMTTVHHP NFFECVLELE EPKNYQLRIT ENGHERVIYD
110 120 130 140 150
PYGFKTPKLT DFDLHVFGEG NHHRIYEKLG AHLMTVDGVK GVYFAVWAPN
160 170 180 190 200
ARNVSILGDF NNWDGRLHQM RKRNNMVWEL FIPELGVGTS YKYEIKNWEG
210 220 230 240 250
HIYEKTDPYG FYQEVRPKTA SIVADLDGYQ WHDEDWLEAR RTSDPLSKPV
260 270 280 290 300
SVYELHLGSW LHTAYDEPVK TLHGEGVPVE VSEWNTGARF LTYYELVDKL
310 320 330 340 350
IPYVKELGYT HIELLPIAEH PFDGSWGYQV TGYYAPTSRF GSPEDFMYFV
360 370 380 390 400
DQCHLNGIGV IIDWVPGHFP KDGHGLAFFD GTHLYEHGDP RKGEHKEWGT
410 420 430 440 450
LIFNYGRNEV RNFLVANALF WFDKYHIDGM RVDAVASMLY LDYCREEGEW
460 470 480 490 500
VANEYGGREN LEAADFLRQV NSVVYSYFPG ILSIAEESTS WPMVSWPTYV
510 520 530 540 550
GGLGFNLKWN MGWMHDMLDY FSMDPWFRQF HQNSITFSMW YNHSENYMLA
560 570 580 590 600
LSHDEVVHGK SNMLGKMPGD EWQKYANVRA LFTYMFTHPG KKTMFMSMEF
610 620 630 640 650
GQWSEWNVWG DLEWHLLNFP PHQQLKQFFT ELNHLYKNEP ALYSNDFDES
660 670 680 690 700
GFQWIDCSDN RHSVVSFIRR AKNSAEFVVT ICNFTPQPHS HYRVGVPVPG
710 720 730 740 750
FYTELFNSDA RQYGGSNMGN LGGKWTEEWS FHEQPYSLDL CLPPLSVLVL
760 770
KLSQNAEENT VPAEEASNIA
Length:770
Mass (Da):89,528
Last modified:October 1, 1996 - v1
Checksum:iA435AFCA7703FA8A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BA000022 Genomic DNA Translation: BAA10073.1
PIRiS76095

Genome annotation databases

EnsemblBacteriaiBAA10073; BAA10073; BAA10073
KEGGisyn:sll0158

Similar proteinsi

Entry informationi

Entry nameiGLGB_SYNY3
AccessioniPrimary (citable) accession number: P52981
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: May 23, 2018
This is version 130 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families
  4. Synechocystis PCC 6803
    Synechocystis (strain PCC 6803): entries and gene names

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