Detail Information for IndEnz0001000901
IED ID IndEnz0001000901
Enzyme Type ID amylase000901
Protein Name Glucan 1,4-alpha-maltohexaosidase
EC 3.2.1.98
Exo-maltohexaohydrolase
G6-amylase
Maltohexaose-producing amylase
Gene Name
Organism Bacillus sp. (strain 707)
Taxonomic Lineage cellular organisms Bacteria Terrabacteria group Firmicutes Bacilli Bacillales Bacillaceae Bacillus unclassified Bacillus (in: Bacteria) Bacillus sp. (strain 707)
Enzyme Sequence MKMRTGKKGFLSILLAFLLVITSIPFTLVDVEAHHNGTNGTMMQYFEWYLPNDGNHWNRLNSDASNLKSKGITAVWIPPAWKGASQNDVGYGAYDLYDLGEFNQKGTVRTKYGTRSQLQAAVTSLKNNGIQVYGDVVMNHKGGADATEMVRAVEVNPNNRNQEVTGEYTIEAWTRFDFPGRGNTHSSFKWRWYHFDGVDWDQSRRLNNRIYKFRGHGKAWDWEVDTENGNYDYLMYADIDMDHPEVVNELRNWGVWYTNTLGLDGFRIDAVKHIKYSFTRDWINHVRSATGKNMFAVAEFWKNDLGAIENYLQKTNWNHSVFDVPLHYNLYNASKSGGNYDMRNIFNGTVVQRHPSHAVTFVDNHDSQPEEALESFVEEWFKPLAYALTLTREQGYPSVFYGDYYGIPTHGVPAMRSKIDPILEARQKYAYGKQNDYLDHHNIIGWTREGNTAHPNSGLATIMSDGAGGSKWMFVGRNKAGQVWSDITGNRTGTVTINADGWGNFSVNGGSVSIWVNK
Enzyme Length 518
Uniprot Accession Number P19571
Absorption
Active Site ACT_SITE 269; /note=Nucleophile; /evidence=ECO:0000250; ACT_SITE 299; /note=Proton donor; /evidence=ECO:0000250
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=Hydrolysis of (1->4)-alpha-D-glucosidic linkages in amylaceous polysaccharides, to remove successive maltohexaose residues from the non-reducing chain ends.; EC=3.2.1.98; Evidence={ECO:0000250|UniProtKB:P06278};
DNA Binding
EC Number 3.2.1.98
Enzyme Function
Temperature Dependency
PH Dependency
Pathway PATHWAY: Glycan degradation; starch degradation.
nucleotide Binding
Features Active site (2); Beta strand (30); Chain (1); Helix (16); Metal binding (13); Signal peptide (1); Site (1); Turn (7)
Keywords 3D-structure;Carbohydrate metabolism;Direct protein sequencing;Glycosidase;Hydrolase;Metal-binding;Secreted;Signal
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted.
Modified Residue
Post Translational Modification
Signal Peptide SIGNAL 1..33; /evidence=ECO:0000269|PubMed:3258152
Structure 3D X-ray crystallography (6)
Cross Reference PDB 1WP6; 1WPC; 2D3L; 2D3N; 2GJP; 2GJR;
Mapped Pubmed ID 15518553; 16452622; 16946462;
Motif
Gene Encoded By
Mass 59,009
Kinetics
Metal Binding METAL 139; /note=Calcium 1; /evidence=ECO:0000250|UniProtKB:P00692; METAL 196; /note=Calcium 2; /evidence=ECO:0000250|UniProtKB:P00692; METAL 196; /note=Sodium; /evidence=ECO:0000250|UniProtKB:P00692; METAL 219; /note=Calcium 2; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00692; METAL 221; /note=Calcium 2; /evidence=ECO:0000250|UniProtKB:P00692; METAL 221; /note=Sodium; /evidence=ECO:0000250|UniProtKB:P00692; METAL 232; /note=Calcium 1; /evidence=ECO:0000250|UniProtKB:P00692; METAL 232; /note=Sodium; /evidence=ECO:0000250|UniProtKB:P00692; METAL 238; /note=Calcium 1; /evidence=ECO:0000250|UniProtKB:P00692; METAL 238; /note=Sodium; /evidence=ECO:0000250|UniProtKB:P00692; METAL 240; /note=Calcium 2; /evidence=ECO:0000250|UniProtKB:P00692; METAL 242; /note=Calcium 2; /evidence=ECO:0000250|UniProtKB:P00692; METAL 273; /note=Calcium 1; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00692
Rhea ID
Cross Reference Brenda 3.2.1.98;