IED ID | IndEnz0001000571 |
Enzyme Type ID | amylase000571 |
Protein Name |
Beta-amylase Tri a 17 EC 3.2.1.2 1,4-alpha-D-glucan maltohydrolase allergen Tri a 17.0101 |
Gene Name | BMY1 AMY1 |
Organism | Triticum aestivum (Wheat) |
Taxonomic Lineage | cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae Liliopsida Petrosaviidae commelinids Poales Poaceae BOP clade Pooideae Triticodae Triticeae Triticinae Triticum Triticum aestivum (Wheat) |
Enzyme Sequence | MAGNMLANYVQVYVMLPLDVVSVDNKFEKGDEIRAQLKKLTEAGVDGVMIDVWWGLVEGKGPKAYDWSAYKQVFDLVHEAGLKLQAIMSFHQCGGNVGDVVNIPIPQWVRDVGATDPDIFYTNRGGTRNIEYLTLGVDDQPLFHGRTAVQMYADYMASFRENMKKFLDAGTIVDIEVGLGPAGEMRYPSYPQSQGWVFPGIGEFICYDKYLEADFKAAAAKAGHPEWELPDDAGEYNDTPEKTQFFKDNGTYLTEKGKFFLSWYSNKLIKHGDKILDEANKVFLGCRVQLAIKISGIHWWYRVPNHAAELTAGYYNLDDRDGYRTIARMLTRHHASMNFTCAEMRDSEQSEEAKSAPEELVQQVLSAGWREGLHVACENALGRYDATAYNTILRNARPKGINKNGPPEHKLFGFTYLRLSNELLEGQNYATFQTFVEKMHANLGHDPSVDPVAPLERSKPEMPIEMILKAAQPKLEPFPFDKNTDLPVKDHTDVGDEVLVAPV |
Enzyme Length | 503 |
Uniprot Accession Number | P93594 |
Absorption | |
Active Site | ACT_SITE 184; /note=Proton donor; /evidence=ECO:0000255|PROSITE-ProRule:PRU10050; ACT_SITE 378; /note=Proton acceptor; /evidence=ECO:0000250|UniProtKB:P10538 |
Activity Regulation | |
Binding Site | BINDING 51; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538; BINDING 91; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538; BINDING 99; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538; BINDING 293; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538; BINDING 298; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538; BINDING 340; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538; BINDING 418; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P10538 |
Calcium Binding | |
catalytic Activity | CATALYTIC ACTIVITY: Reaction=Hydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides so as to remove successive maltose units from the non-reducing ends of the chains.; EC=3.2.1.2; Evidence={ECO:0000269|PubMed:30515829}; |
DNA Binding | |
EC Number | 3.2.1.2 |
Enzyme Function | |
Temperature Dependency | |
PH Dependency | BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 5. Highly active at acidic pH range 4-7. Retains over 80% of maximum activity at 4.0. At higher pH values the activity decreases markedly, with more than 50% of activity lost at pH 8.0. {ECO:0000269|PubMed:30515829}; |
Pathway | |
nucleotide Binding | |
Features | Active site (2); Beta strand (10); Binding site (7); Chain (1); Helix (25); Region (1); Turn (5) |
Keywords | 3D-structure;Allergen;Carbohydrate metabolism;Glycosidase;Hydrolase;Polysaccharide degradation;Reference proteome |
Interact With | |
Induction | |
Subcellular Location | |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | X-ray crystallography (1) |
Cross Reference PDB | 6GER; |
Mapped Pubmed ID | 22505256; 30845909; |
Motif | |
Gene Encoded By | |
Mass | 56,611 |
Kinetics | |
Metal Binding | |
Rhea ID | |
Cross Reference Brenda |