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Protein

1,4-alpha-glucan branching enzyme GlgB

Gene

glgB

Organism
Cyanobacterium sp. NBRC 102756
Status
Unreviewed-Annotation score: Annotation score: 3 out of 5-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.UniRule annotation

Catalytic activityi

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

Pathwayi: glycogen biosynthesis

This protein is involved in the pathway glycogen biosynthesis, which is part of Glycan biosynthesis.UniRule annotationSAAS annotation
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 sitei330NucleophileUniRule annotation1
Active sitei381Proton donorUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosyltransferaseUniRule annotationSAAS annotationImported, Transferase
Biological processCarbohydrate metabolism, Glycogen biosynthesisUniRule annotationSAAS annotation, Glycogen metabolismUniRule annotation

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 GlgBUniRule annotation (EC:2.4.1.18UniRule annotation)
Alternative name(s):
1,4-alpha-D-glucan:1,4-alpha-D-glucan 6-glucosyl-transferaseUniRule annotation
Alpha-(1->4)-glucan branching enzymeUniRule annotation
Glycogen branching enzymeUniRule annotation
Short name:
BEUniRule annotation
Gene namesi
Name:glgBUniRule annotation
OrganismiCyanobacterium sp. NBRC 102756Imported
Taxonomic identifieri155986 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesCyanobacteriaceaeCyanobacterium

Interactioni

Subunit structurei

Monomer.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliA4UU35.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini156 – 515AamyInterPro annotationAdd BLAST360

Sequence similaritiesi

Belongs to the glycosyl hydrolase 13 family. GlgB subfamily.UniRule annotationSAAS annotation

Family and domain databases

Gene3Di2.60.40.10. 1 hit.
HAMAPiMF_00685. GlgB. 1 hit.
InterProiView protein in InterPro
IPR006048. A-amylase/branching_C.
IPR006407. GlgB.
IPR006047. Glyco_hydro_13_cat_dom.
IPR004193. Glyco_hydro_13_N.
IPR017853. Glycoside_hydrolase_SF.
IPR013783. Ig-like_fold.
IPR014756. Ig_E-set.
PfamiView protein in Pfam
PF00128. Alpha-amylase. 2 hits.
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.

A4UU35-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MIMAQTKQQD WFSEVDLYLF GEGTHYRIYE QLGAHLTERD GKSGVYFAVW
60 70 80 90 100
APNAQNVSLV GDFNNWQAEH TNMKRNNMGI WEIFMPGMKE GDKYKYAVKN
110 120 130 140 150
HHGYNCFKTD PHGFEQEIRP ATASIVRDIS YTWGDRTWLK KRHENHSYEK
160 170 180 190 200
PISVYEVHLG SWMHENIENP PENGVIVPVP DKEGARFLTY RELADRLIPY
210 220 230 240 250
VKDMGYTHIE LMPITEHPFD GSWGYQVVGF FAPTSRYGSP QDFMYFVDRA
260 270 280 290 300
HQEGIGILID WVPGHFPKDE HGLARFDGTH LYEYSDWRKG EHLEWGTLVF
310 320 330 340 350
NYERNEVRNF LIASALFWLE KYHIDGIRVD AVASMLYLDY EREVWVRNQY
360 370 380 390 400
GGRENIEGID FIRQLNNAIK ENYPGVLTIA EESTTWENVS QPTKYGGLGF
410 420 430 440 450
DYKWNMGWMN DTLKYFLAHP HDRPNFHNKL TFSMWYAFTE HFMLSLSHDE
460 470 480 490 500
VVHGKGHLWQ KMPGDEWQQM ANMRLLFGYM FAHPGKKTLF MGMELGQRRE
510 520 530 540 550
WKYFLDLDWW LLDWQPHRQL QQLVKDLHTL YRSQPALYTD DFSHDGFQWI
560 570 580 590 600
DCHDAGRSML TFMRRDKNTH EVLVVVCNFK PDVYYHYWLG VNEAGTYEEI
610 620 630 640
MNTDDLKYGG SGVVNQKVKT KDWNHCPWPY ALEITVPPLS MTMFKKVQ
Length:648
Mass (Da):76,619
Last modified:May 15, 2007 - v1
Checksum:i34D98C9B0057E32D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
EF489422 Genomic DNA. Translation: ABO93392.1.

Similar proteinsi

Entry informationi

Entry nameiA4UU35_9CHRO
AccessioniPrimary (citable) accession number: A4UU35
Entry historyiIntegrated into UniProtKB/TrEMBL: May 15, 2007
Last sequence update: May 15, 2007
Last modified: September 27, 2017
This is version 72 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)