Reviewed,
UniProtKB/Swiss-Prot Q9C0Y4 (AGLU_SCHPO)
Last modified
November 25, 2008.
Version 54.
History...
Clusters with 100%,
90%,
50% identity |
Documents (3) |
Third-party data |
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Names and origin
| Protein names | Recommended name: Alpha-glucosidase EC=3.2.1.20 Alternative name(s): Maltase | ||||||
| Gene names |
| ||||||
| Organism | Schizosaccharomyces pombe (Fission yeast) [Complete proteome] | ||||||
| Taxonomic identifier | 4896 [NCBI] | ||||||
| Taxonomic lineage | Eukaryota › Fungi › Dikarya › Ascomycota › Taphrinomycotina › Schizosaccharomycetes › Schizosaccharomycetales › Schizosaccharomycetaceae › Schizosaccharomyces |
Protein attributes
| Sequence length | 969 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at protein level. |
General annotation (Comments)
| Function | Hydrolyzes malto-oligosaccharides, but has a low activity toward soluble starch. |
| Catalytic activity | Hydrolysis of terminal, non-reducing (1->4)-linked alpha-D-glucose residues with release of alpha-D-glucose. |
| Subcellular location | |
| Sequence similarities | Belongs to the glycosyl hydrolase 31 family. |
Ontologies
Keywords | |
|---|---|
| Cellular component | Secreted |
| Domain | Signal |
| Molecular function | Glycosidase Hydrolase |
| PTM | Glycoprotein |
| Technical term | Complete proteome Direct protein sequencing |
Gene Ontology (GO) | |
| Biological process | oligosaccharide catabolic process Inferred by curator. Source: GeneDB_SPombe |
| Cellular component | extracellular region Ref.1 Inferred from electronic annotation. Source: UniProtKB-KW |
| Molecular function | alpha-glucosidase activity Ref.1 Inferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 24 | 24 | |||||||
| Chain | 25 – 969 | 945 | Alpha-glucosidase | PRO_0000018581 | |||||
Sites | |||||||||
| Active site | 481 | 1 | Nucleophile | ||||||
| Active site | 484 | 1 | |||||||
| Active site | 647 | 1 | Proton donor | ||||||
Amino acid modifications | |||||||||
| Glycosylation | 37 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 67 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 99 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 116 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 139 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 146 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 209 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 245 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 249 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 331 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 406 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 429 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 462 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 470 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 520 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 523 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 589 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 648 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 801 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 810 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 821 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 885 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 915 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 934 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 942 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 954 | 1 | N-linked (GlcNAc...) Potential | ||||||
| Glycosylation | 966 | 1 | N-linked (GlcNAc...) Potential | ||||||
Experimental info | |||||||||
| Mutagenesis | 218 | 1 | D → N: Almost total loss of activity | ||||||
| Mutagenesis | 287 | 1 | D → N: No loss of activity | ||||||
| Mutagenesis | 355 | 1 | D → E or N: Almost total loss of activity | ||||||
| Mutagenesis | 481 | 1 | D → A, E or N: Loss of activity | ||||||
| Mutagenesis | 484 | 1 | E → A or Q: Loss of activity | ||||||
| Mutagenesis | 484 | 1 | E → D: No loss of activity | ||||||
| Mutagenesis | 647 | 1 | D → A, E or N: Loss of activity | ||||||
| Mutagenesis | 676 | 1 | D → N: No loss of activity | ||||||
| Mutagenesis | 714 | 1 | E → Q: No loss of activity | ||||||
| Mutagenesis | 877 | 1 | D → N: Almost total loss of activity | ||||||
| Sequence conflict | 30 | 1 | L → F in CAC36906. Ref.2 | ||||||
| Sequence conflict | 220 | 1 | P → A in BAB43946. Ref.1 | ||||||
| Sequence conflict | 507 | 1 | T → V in BAB43946. Ref.1 | ||||||
| Sequence conflict | 566 | 1 | D → N in BAB43946. Ref.1 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Carboxyl group of residue Asp647 as possible proton donor in catalytic reaction of alpha-glucosidase from Schizosaccharomyces pombe." Okuyama M., Okuno A., Shimizu N., Mori H., Kimura A., Chiba S. Eur. J. Biochem. 268:2270-2280(2001) [PubMed: 11298744] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 25-36; 175-194; 375-395 AND 427-451, MUTAGENESIS OF ASP-218; ASP-287; ASP-355; ASP-481; GLU-484; ASP-647; ASP-676; GLU-714 AND ASP-877. |
| [2] | "The genome sequence of Schizosaccharomyces pombe." Wood V., Gwilliam R., Rajandream M.A., Lyne M.H., Lyne R., Stewart A., Sgouros J.G., Peat N., Hayles J., Baker S.G., Basham D., Bowman S., Brooks K., Brown D., Brown S., Chillingworth T., Churcher C.M., Collins M. Nurse P.Nature 415:871-880(2002) [PubMed: 11859360] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 38366 / 972. |
Cross-references
Sequence databases | |
|---|---|
| CU329670 Genomic DNA. Translation: CAC36906.1. AB045751 mRNA. Translation: BAB43946.1. | |
| RefSeq | NP_593996.1. |
3D structure databases | |
| ModBase | Search... |
Genome annotation databases | |
| GeneID | 2543499. |
| KEGG | spo:SPAPB24D3.10c. |
Organism-specific databases | |
| GeneDB_Spombe | SPAPB24D3.10c. |
Gene expression databases | |
| ArrayExpress | Q9C0Y4. |
Family and domain databases | |
| InterPro | IPR000322. Glyco_hydro_31. [Graphical view] |
| PANTHER | PTHR22762. Glyco_hydro_31. 1 hit. |
| Pfam | PF01055. Glyco_hydro_31. 1 hit. [Graphical view] |
| PROSITE | PS00129. GLYCOSYL_HYDROL_F31_1. 1 hit. PS00707. GLYCOSYL_HYDROL_F31_2. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | AGLU_SCHPO | ||||||||
| Accession | Primary (citable) accession number: Q9C0Y4 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation project | FPAP (Fungal Proteome Annotation Project) | ||||||||
Relevant documents
| Glycosyl hydrolases Classification of glycosyl hydrolase families and list of entries |
| Schizosaccharomyces pombe Schizosaccharomyces pombe: entries and gene names |
| SIMILARITY comments Index of protein domains and families |

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