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O04931

- AGLU_BETVU

UniProt

O04931 - AGLU_BETVU

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Protein
Alpha-glucosidase
Gene
N/A
Organism
Beta vulgaris (Sugar beet)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at protein leveli

Functioni

High activity for alpha-glucan.

Catalytic activityi

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

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei469 – 46911 Publication
Active sitei472 – 4721 By similarity
Active sitei568 – 5681Proton donor By similarity

GO - Molecular functioni

  1. alpha-glucosidase activity Source: UniProtKB
  2. carbohydrate binding Source: InterPro
  3. maltose alpha-glucosidase activity Source: UniProtKB-EC

GO - Biological processi

  1. carbohydrate metabolic process Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Protein family/group databases

CAZyiGH31. Glycoside Hydrolase Family 31.

Names & Taxonomyi

Protein namesi
Recommended name:
Alpha-glucosidase (EC:3.2.1.20)
Alternative name(s):
Maltase
OrganismiBeta vulgaris (Sugar beet)
Taxonomic identifieri161934 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeCaryophyllalesAmaranthaceaeBeta

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2828 Reviewed prediction
Add
BLAST
Chaini29 – 913885Alpha-glucosidase
PRO_0000018582Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi54 – 541N-linked (GlcNAc...) Reviewed prediction
Glycosylationi404 – 4041N-linked (GlcNAc...) Reviewed prediction
Glycosylationi495 – 4951N-linked (GlcNAc...) Reviewed prediction
Glycosylationi517 – 5171N-linked (GlcNAc...) Reviewed prediction
Glycosylationi728 – 7281N-linked (GlcNAc...) Reviewed prediction
Glycosylationi823 – 8231N-linked (GlcNAc...) Reviewed prediction

Post-translational modificationi

The N-terminus is blocked.

Keywords - PTMi

Glycoprotein

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Signal

Family and domain databases

InterProiIPR011013. Gal_mutarotase_SF_dom.
IPR000322. Glyco_hydro_31.
IPR025887. Glyco_hydro_31_N_dom.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view]
PfamiPF13802. Gal_mutarotas_2. 1 hit.
PF01055. Glyco_hydro_31. 1 hit.
[Graphical view]
SUPFAMiSSF51445. SSF51445. 2 hits.
SSF74650. SSF74650. 1 hit.
PROSITEiPS00129. GLYCOSYL_HYDROL_F31_1. 1 hit.
PS00707. GLYCOSYL_HYDROL_F31_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

O04931-1 [UniParc]FASTAAdd to Basket

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MERSKLPRYI CPTLAVVLPL VLCMVVEGAT TSKNDNQGEA IGYGYQVKNA    50
KVDNSTGKSL TALLQLIRNS PVYGPDIHFL SFTASFEEDD TLRIRFTDAN 100
NRRWEIPNEV LPRPPPPPSP PPLSSLQHLP KPIPQNQPTT TVLSHPHSDL 150
AFTLFHTTPF GFTIYRKSTH DVLFDATPIP SNPTTFLIYK DQYLQLSSSL 200
PAQQAHLYGL GEHTKPTFQL AHNQILTLWN ADIASFNRDL NLYGSHPFYM 250
DVRSSPMVGS THGVFLLNSN GMDVEYTGDR ITYKVIGGII DLYIFAGRTP 300
EMVLDQYTKL IGRPAPMPYW AFGFHQCRWG YRDVNEIETV VDKYAEARIP 350
LEVMWTDIDY MDAFKDFTLD PVHFPLDKMQ QFVTKLHRNG QRYVPILDPG 400
INTNKSYGTF IRGMQSNVFI KRNGNPYLGS VWPGPVYYPD FLDPAARSFW 450
VDEIKRFRDI LPIDGIWIDM NEASNFITSA PTPGSTLDNP PYKINNSGGR 500
VPINSKTIPA TAMHYGNVTE YNAHNLYGFL ESQATREALV RPATRGPFLL 550
SRSTFAGSGK YTAHWTGDNA ARWDDLQYSI PTMLNFGLFG MPMIGADICG 600
FAESTTEELC CRWIQLGAFY PFSRDHSARD TTHQELYLWE SVAASARTVL 650
GLRYELLPYY YTLMYDANLR GSPIARPLSF TFPDDVATYG ISSQFLIGRG 700
IMVSPVLQPG SSIVNAYSPR GNWVSLSNYT SSVSVSAGTY VSLSAPPDHI 750
NVHIHEGNIV AMQGEAMTTQ AARSTPFHLL VVMSDHVAST GELFLDNGIE 800
MDIGGPGGKW TLVRFFAESG INNLTISSEV VNRGYAMSQR WVMDKITILG 850
LKRRVKIKEY TVQKDAGAIK VKGLGRRTSS HNQGGFFVSV ISDLRQLVGQ 900
AFKLELEFEG ATR 913
Length:913
Mass (Da):102,117
Last modified:July 1, 1997 - v1
Checksum:i02AC4F0B505369CC
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
D89615 mRNA. Translation: BAA20343.1.
PIRiJC5463.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
D89615 mRNA. Translation: BAA20343.1 .
PIRi JC5463.

3D structure databases

ModBasei Search...
MobiDBi Search...

Chemistry

ChEMBLi CHEMBL4348.

Protein family/group databases

CAZyi GH31. Glycoside Hydrolase Family 31.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

InterProi IPR011013. Gal_mutarotase_SF_dom.
IPR000322. Glyco_hydro_31.
IPR025887. Glyco_hydro_31_N_dom.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view ]
Pfami PF13802. Gal_mutarotas_2. 1 hit.
PF01055. Glyco_hydro_31. 1 hit.
[Graphical view ]
SUPFAMi SSF51445. SSF51445. 2 hits.
SSF74650. SSF74650. 1 hit.
PROSITEi PS00129. GLYCOSYL_HYDROL_F31_1. 1 hit.
PS00707. GLYCOSYL_HYDROL_F31_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  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.

Entry informationi

Entry nameiAGLU_BETVU
AccessioniPrimary (citable) accession number: O04931
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: July 1, 1997
Last modified: September 3, 2014
This is version 56 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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