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Protein

1,4-alpha-glucan branching enzyme GlgB

Gene

glgB

Organism
Bacillus caldolyticus
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

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.

Temperature dependencei

Optimum temperature is about 39 degrees Celsius.

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 sitei309NucleophileBy similarity1
Active sitei352Proton donorBy similarity1

GO - Molecular functioni

GO - Biological processi

Keywordsi

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

Enzyme and pathway databases

UniPathwayi
UPA00164

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
OrganismiBacillus caldolyticus
Taxonomic identifieri1394 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesBacillaceaeGeobacillusGeobacillus thermoleovorans group

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001886771 – 6661,4-alpha-glucan branching enzyme GlgBAdd BLAST666

Interactioni

Subunit structurei

Monomer.By similarity

Structurei

3D structure databases

ProteinModelPortaliP30537
SMRiP30537
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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, 1 hit
PfamiView protein in Pfam
PF00128 Alpha-amylase, 1 hit
PF02806 Alpha-amylase_C, 1 hit
PF02922 CBM_48, 1 hit
PIRSFiPIRSF000463 GlgB, 1 hit
SMARTiView protein in SMART
SM00642 Aamy, 1 hit
SUPFAMiSSF51445 SSF51445, 1 hit
SSF81296 SSF81296, 1 hit
TIGRFAMsiTIGR01515 branching_enzym, 1 hit

Sequencei

Sequence statusi: Complete.

P30537-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MIAANPTDLE VYLFHEGRLY QSYELFGAHV IRGGGAVGTR FCVWAPHARE
60 70 80 90 100
VRLVGSFNDW NGTNSPLTKV NDEGVWTIVV PENLEGHLYK YEIITPDGRV
110 120 130 140 150
LLKADPYAFY SELRPHTASI VYDLKGYEWN DSPWQRKKRR KRIYDQPMVI
160 170 180 190 200
YELHFGSWKK KPDGRFYTYR EMADELIPYV LERGFTHIEL LPLVEHPLDR
210 220 230 240 250
SWGYQGTGYY SVTSRYGTPH DFMYFVDRCH QAGLGVIIDW VPGHFCKDAH
260 270 280 290 300
GLYMFDGAPT YEYANEKDRE NYVWGTANFD LGKPEVRSFL ISNALFWLEY
310 320 330 340 350
YHVDGFRVDA VANMLYWPNN DRLYENPYAV EFLRQLNEAV FAYDPNVWMI
360 370 380 390 400
AEDSTDWPRV TAPTYDGGLG FNYKWNMGWM NDMLKYMETP PHERKYAHNQ
410 420 430 440 450
VSFSLLYAYS ENFILPFSHD EVVHGKKSLL NKMPGSYEEK FAQLRLLYGY
460 470 480 490 500
MMAHPGKKLL FMGSEFAQFD EWKFAEELDW VLFDFELHRK MDEYVKQLIA
510 520 530 540 550
CYKRYKPFYE LDHDPRGFEW IDVHNAEQSI FSFIRRGKKE GDVLVIVCNF
560 570 580 590 600
TNQAYDDYKV SVPLLAPYRE VLNSDAAEFG GSGHVNGKRL PAFSEPFHGK
610 620 630 640 650
PYHVRMTIPP FGISILRPVQ KRGERKQNEE EVHRHVIGRR ARKPASLADE
660
KHRETSRAVW GEVPDH
Length:666
Mass (Da):78,096
Last modified:April 1, 1993 - v1
Checksum:i1F64C31495BB1B6E
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
Z14057 Genomic DNA Translation: CAA78440.1
PIRiB56639

Similar proteinsi

Entry informationi

Entry nameiGLGB_BACCL
AccessioniPrimary (citable) accession number: P30537
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 1, 1993
Last sequence update: April 1, 1993
Last modified: February 28, 2018
This is version 95 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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