IED ID | IndEnz0001000565 |
Enzyme Type ID | amylase000565 |
Protein Name |
Beta-amylase EC 3.2.1.2 1,4-alpha-D-glucan maltohydrolase |
Gene Name | spoII |
Organism | Bacillus cereus |
Taxonomic Lineage | cellular organisms Bacteria Terrabacteria group Firmicutes Bacilli Bacillales Bacillaceae Bacillus Bacillus cereus group Bacillus cereus |
Enzyme Sequence | MKNQFQYCCIVILSVVMLFVSLLIPQASSAAVNGKGMNPDYKAYLMAPLKKIPEVTNWETFENDLRWAKQNGFYAITVDFWWGDMEKNGDQQFDFSYAQRFAQSVKNAGMKMIPIISTHQCGGNVGDDCNVPIPSWVWNQKSDDSLYFKSETGTVNKETLNPLASDVIRKEYGELYTAFAAAMKPYKDVIAKIYLSGGPAGELRYPSYTTSDGTGYPSRGKFQAYTEFAKSKFRLWVLNKYGSLNEVNKAWGTKLISELAILPPSDGEQFLMNGYLSMYGKDYLEWYQGILENHTKLIGELAHNAFDTTFQVPIGAKIAGVHWQYNNPTIPHGAEKPAGYNDYSHLLDAFKSAKLDVTFTCLEMTDKGSYPEYSMPKTLVQNIATLANEKGIVLNGENALSIGNEEEYKRVAEMAFNYNFAGFTLLRYQDVMYNNSLMGKFKDLLGVTPVMQTIVVKNVPTTIGDTVYITGNRAELGSWDTKQYPIQLYYDSHSNDWRGNVVLPAERNIEFKAFIKSKDGTVKSWQTIQQSWNPVPLKTTSHTSSW |
Enzyme Length | 546 |
Uniprot Accession Number | P36924 |
Absorption | |
Active Site | ACT_SITE 202; /note="Proton donor"; /evidence="ECO:0000255|PROSITE-ProRule:PRU10050, ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; ACT_SITE 397; /note="Proton acceptor"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294" |
Activity Regulation | |
Binding Site | BINDING 79; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; BINDING 119; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; BINDING 127; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; BINDING 317; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; BINDING 322; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; BINDING 360; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294"; BINDING 427; /note="Substrate"; /evidence="ECO:0000269|PubMed:10353816, ECO:0000269|PubMed:12761294" |
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; |
DNA Binding | |
EC Number | 3.2.1.2 |
Enzyme Function | |
Temperature Dependency | |
PH Dependency | |
Pathway | |
nucleotide Binding | |
Features | Active site (2); Beta strand (22); Binding site (7); Chain (1); Disulfide bond (1); Domain (1); Helix (22); Metal binding (5); Mutagenesis (4); Region (1); Signal peptide (1); Turn (7) |
Keywords | 3D-structure;Calcium;Carbohydrate metabolism;Direct protein sequencing;Disulfide bond;Glycosidase;Hydrolase;Metal-binding;Polysaccharide degradation;Signal |
Interact With | |
Induction | |
Subcellular Location | |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | SIGNAL 1..30 |
Structure 3D | X-ray crystallography (15) |
Cross Reference PDB | 1B90; 1B9Z; 1CQY; 1ITC; 1J0Y; 1J0Z; 1J10; 1J11; 1J12; 1J18; 1VEM; 1VEN; 1VEO; 1VEP; 5BCA; |
Mapped Pubmed ID | 10348915; 12741813; |
Motif | |
Gene Encoded By | |
Mass | 61,629 |
Kinetics | |
Metal Binding | METAL 86; /note=Calcium; /evidence=ECO:0000269|PubMed:10353816; METAL 90; /note=Calcium; /evidence=ECO:0000269|PubMed:10353816; METAL 91; /note=Calcium; /evidence=ECO:0000269|PubMed:10353816; METAL 171; /note=Calcium; /evidence=ECO:0000269|PubMed:10353816; METAL 174; /note=Calcium; /evidence=ECO:0000269|PubMed:10353816 |
Rhea ID | |
Cross Reference Brenda | 3.2.1.2; |