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O04931 (AGLU_BETVU) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 55. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Alpha-glucosidase

EC=3.2.1.20
Alternative name(s):
Maltase
OrganismBeta vulgaris (Sugar beet)
Taxonomic identifier161934 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeCaryophyllalesAmaranthaceaeBeta

Protein attributes

Sequence length913 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

High activity for alpha-glucan.

Catalytic activity

Hydrolysis of terminal, non-reducing (1->4)-linked alpha-D-glucose residues with release of alpha-D-glucose.

Post-translational modification

The N-terminus is blocked.

Sequence similarities

Belongs to the glycosyl hydrolase 31 family.

Ontologies

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Signal peptide1 – 2828 Potential
Chain29 – 913885Alpha-glucosidase
PRO_0000018582

Sites

Active site4691 Ref.2
Active site4721 By similarity
Active site5681Proton donor By similarity

Amino acid modifications

Glycosylation541N-linked (GlcNAc...) Potential
Glycosylation4041N-linked (GlcNAc...) Potential
Glycosylation4951N-linked (GlcNAc...) Potential
Glycosylation5171N-linked (GlcNAc...) Potential
Glycosylation7281N-linked (GlcNAc...) Potential
Glycosylation8231N-linked (GlcNAc...) Potential

Sequences

Sequence LengthMass (Da)Tools
O04931 [UniParc].

Last modified July 1, 1997. Version 1.
Checksum: 02AC4F0B505369CC

FASTA913102,117
        10         20         30         40         50         60 
MERSKLPRYI CPTLAVVLPL VLCMVVEGAT TSKNDNQGEA IGYGYQVKNA KVDNSTGKSL 

        70         80         90        100        110        120 
TALLQLIRNS PVYGPDIHFL SFTASFEEDD TLRIRFTDAN NRRWEIPNEV LPRPPPPPSP 

       130        140        150        160        170        180 
PPLSSLQHLP KPIPQNQPTT TVLSHPHSDL AFTLFHTTPF GFTIYRKSTH DVLFDATPIP 

       190        200        210        220        230        240 
SNPTTFLIYK DQYLQLSSSL PAQQAHLYGL GEHTKPTFQL AHNQILTLWN ADIASFNRDL 

       250        260        270        280        290        300 
NLYGSHPFYM DVRSSPMVGS THGVFLLNSN GMDVEYTGDR ITYKVIGGII DLYIFAGRTP 

       310        320        330        340        350        360 
EMVLDQYTKL IGRPAPMPYW AFGFHQCRWG YRDVNEIETV VDKYAEARIP LEVMWTDIDY 

       370        380        390        400        410        420 
MDAFKDFTLD PVHFPLDKMQ QFVTKLHRNG QRYVPILDPG INTNKSYGTF IRGMQSNVFI 

       430        440        450        460        470        480 
KRNGNPYLGS VWPGPVYYPD FLDPAARSFW VDEIKRFRDI LPIDGIWIDM NEASNFITSA 

       490        500        510        520        530        540 
PTPGSTLDNP PYKINNSGGR VPINSKTIPA TAMHYGNVTE YNAHNLYGFL ESQATREALV 

       550        560        570        580        590        600 
RPATRGPFLL SRSTFAGSGK YTAHWTGDNA ARWDDLQYSI PTMLNFGLFG MPMIGADICG 

       610        620        630        640        650        660 
FAESTTEELC CRWIQLGAFY PFSRDHSARD TTHQELYLWE SVAASARTVL GLRYELLPYY 

       670        680        690        700        710        720 
YTLMYDANLR GSPIARPLSF TFPDDVATYG ISSQFLIGRG IMVSPVLQPG SSIVNAYSPR 

       730        740        750        760        770        780 
GNWVSLSNYT SSVSVSAGTY VSLSAPPDHI NVHIHEGNIV AMQGEAMTTQ AARSTPFHLL 

       790        800        810        820        830        840 
VVMSDHVAST GELFLDNGIE MDIGGPGGKW TLVRFFAESG INNLTISSEV VNRGYAMSQR 

       850        860        870        880        890        900 
WVMDKITILG LKRRVKIKEY TVQKDAGAIK VKGLGRRTSS HNQGGFFVSV ISDLRQLVGQ 

       910 
AFKLELEFEG ATR 

« Hide

References

[1]"Cloning and sequencing of a cDNA encoding alpha-glucosidase from sugar beet."
Matsui H., Iwanami S., Ito H., Mori H., Honma M., Chiba S.
Biosci. Biotechnol. Biochem. 61:875-880(1997) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA], PARTIAL PROTEIN SEQUENCE.
Strain: cv. NK-152.
[2]"Chemical modification and amino acid sequence of active site in sugar beet alpha-glucosidase."
Iwanami S., Matsui H., Kimura A., Ito H., Mori H., Honma M., Chiba S.
Biosci. Biotechnol. Biochem. 59:459-463(1995) [PubMed] [Europe PMC] [Abstract]
Cited for: ACTIVE SITE, PROTEIN SEQUENCE OF 464-472.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
D89615 mRNA. Translation: BAA20343.1.
PIRJC5463.

3D structure databases

ModBaseSearch...
MobiDBSearch...

Chemistry

ChEMBLCHEMBL4348.

Protein family/group databases

CAZyGH31. Glycoside Hydrolase Family 31.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

InterProIPR011013. Gal_mutarotase_SF_dom.
IPR000322. Glyco_hydro_31.
IPR025887. Glyco_hydro_31_N_dom.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view]
PfamPF13802. Gal_mutarotas_2. 1 hit.
PF01055. Glyco_hydro_31. 1 hit.
[Graphical view]
SUPFAMSSF51445. SSF51445. 2 hits.
SSF74650. SSF74650. 1 hit.
PROSITEPS00129. GLYCOSYL_HYDROL_F31_1. 1 hit.
PS00707. GLYCOSYL_HYDROL_F31_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameAGLU_BETVU
AccessionPrimary (citable) accession number: O04931
Entry history
Integrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: July 1, 1997
Last modified: February 19, 2014
This is version 55 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

Glycosyl hydrolases

Classification of glycosyl hydrolase families and list of entries