Detail Information for IndEnz0001000565
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;