P31434 · XYLS_ECOLI
- ProteinAlpha-xylosidase
- GeneyicI
- StatusUniProtKB reviewed (Swiss-Prot)
- Organism
- Amino acids772 (go to sequence)
- Protein existenceEvidence at protein level
- Annotation score4/5
Function
function
Can catalyze the transfer of alpha-xylosyl residue from alpha-xyloside to xylose, glucose, mannose, fructose, maltose, isomaltose, nigerose, kojibiose, sucrose and trehalose.
Catalytic activity
pH Dependence
Optimum pH is 7.0.
Features
Showing features for active site.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Active site | 416 | Nucleophile | ||||
Sequence: D | ||||||
Active site | 419 | |||||
Sequence: E | ||||||
Active site | 482 | Proton donor | ||||
Sequence: D |
GO annotations
Aspect | Term | |
---|---|---|
Molecular Function | alpha-D-xyloside xylohydrolase | |
Molecular Function | carbohydrate binding | |
Molecular Function | identical protein binding | |
Molecular Function | xyloglucan 1,6-alpha-xylosidase activity | |
Biological Process | carbohydrate metabolic process |
Keywords
- Molecular function
Enzyme and pathway databases
Protein family/group databases
Names & Taxonomy
Protein names
- Recommended nameAlpha-xylosidase
- EC number
Gene names
Organism names
- Organism
- Strains
- Taxonomic lineageBacteria > Pseudomonadota > Gammaproteobacteria > Enterobacterales > Enterobacteriaceae > Escherichia
Accessions
- Primary accessionP31434
- Secondary accessions
Proteomes
Phenotypes & Variants
Features
Showing features for mutagenesis.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Mutagenesis | 307-308 | Converts the enzyme to have alpha-glucosidase activity. | ||||
Sequence: CF → ID |
Chemistry
PTM/Processing
Features
Showing features for chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Chain | PRO_0000185371 | 1-772 | Alpha-xylosidase | |||
Sequence: MKISDGNWLIQPGLNLIHPLQVFEVEQQDNEMVVYAAPRDVRERTWQLDTPLFTLRFFSPQEGIVGVRIEHFQGALNNGPHYPLNILQDVKVTIENTERYAEFKSGNLSARVSKGEFWSLDFLRNGERITGSQVKNNGYVQDTNNQRNYMFERLDLGVGETVYGLGERFTALVRNGQTVETWNRDGGTSTEQAYKNIPFYMTNRGYGVLVNHPQCVSFEVGSEKVSKVQFSVESEYLEYFVIDGPTPKAVLDRYTRFTGRPALPPAWSFGLWLTTSFTTNYDEATVNSFIDGMAERNLPLHVFHFDCFWMKAFQWCDFEWDPLTFPDPEGMIRRLKAKGLKICVWINPYIGQKSPVFKELQEKGYLLKRPDGSLWQWDKWQPGLAIYDFTNPDACKWYADKLKGLVAMGVDCFKTDFGERIPTDVQWFDGSDPQKMHNHYAYIYNELVWNVLKDTVGEEEAVLFARSASVGAQKFPVHWGGDCYANYESMAESLRGGLSIGLSGFGFWSHDIGGFENTAPAHVYKRWCAFGLLSSHSRLHGSKSYRVPWAYDDESCDVVRFFTQLKCRMMPYLYREAARANARGTPMMRAMMMEFPDDPACDYLDRQYMLGDNVMVAPVFTEAGDVQFYLPEGRWTHLWHNDELDGSRWHKQQHGFLSLPVYVRDNTLLALGNNDQRPDYVWHEGTAFHLFNLQDGHEAVCEVPAADGSVIFTLKAARTGNTITVTGAGEAKNWTLCLRNVVKVNGLQDGSQAESEQGLVVKPQGNALTITL |
Proteomic databases
Structure
Sequence
- Sequence statusComplete
- Length772
- Mass (Da)88,079
- Last updated1998-07-15 v2
- Checksum6F2A02E4B5403772
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
L10328 EMBL· GenBank· DDBJ | AAA62009.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
U00096 EMBL· GenBank· DDBJ | AAC76680.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
AP009048 EMBL· GenBank· DDBJ | BAE77637.1 EMBL· GenBank· DDBJ | Genomic DNA |