Detail Information for IndEnz0001000553
IED ID IndEnz0001000553
Enzyme Type ID amylase000553
Protein Name Alpha-amylase isozyme 3B
EC 3.2.1.1
1,4-alpha-D-glucan glucanohydrolase
Gene Name AMY1.6 AMY3B Os09g0457600 LOC_Os09g28420 B1045B05.10 OsJ_29630
Organism Oryza sativa subsp. japonica (Rice)
Taxonomic Lineage cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae Liliopsida Petrosaviidae commelinids Poales Poaceae BOP clade Oryzoideae Oryzeae Oryzinae Oryza Oryza sativa (Rice) Oryza sativa subsp. japonica (Rice)
Enzyme Sequence MAKRIASMSSLLLIALLCLSSHLAQAQVLFQGFNWESWKKQGGWYNFLHGHVDDIAATGVTHVWLPPPSHSVAPQGYMPGRLYDLDASKYGTGAELRSLIAAFHSKGIKCVADIVINHRCADYKDSRGIYCIFEGGTPDSRLDWGPDMICSDDTQYSNGRGHRDTGADFGAAPDIDHLNTRVQTELSDWLNWLKSDVGFDGWRLDFAKGYSAAVAKTYVDNTDPSFVVAEIWSNMRYDGNGEPSWNQDGDRQELVNWAQAVGGPASAFDFTTKGELQAAVQGELWRMKDGNGKAPGMIGWLPEKAVTFIDNHDTGSTQNSWPFPSDKVMQGYAYILTHPGVPCIFYDHVFDWNLKQEISTLAAVRSRNEIHPGSKLKILAAEGDVYVAMIDDKVITKIGTRYDVGNLIPSDFHVVAHGNNYCIWEKSGLRVPAGRHHY
Enzyme Length 438
Uniprot Accession Number P27937
Absorption
Active Site ACT_SITE 205; /note=Nucleophile; /evidence=ECO:0000250|UniProtKB:P00693; ACT_SITE 230; /note=Proton donor; /evidence=ECO:0000250|UniProtKB:P00693
Activity Regulation
Binding Site BINDING 232; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 234; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 252; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 293; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 312; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 318; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 397; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693; BINDING 424; /note=Substrate; /evidence=ECO:0000250|UniProtKB:P00693
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units.; EC=3.2.1.1; Evidence={ECO:0000250|UniProtKB:P00693};
DNA Binding
EC Number 3.2.1.1
Enzyme Function FUNCTION: Important for breakdown of endosperm starch during germination.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (2); Binding site (8); Chain (1); Metal binding (14); Region (6); Signal peptide (1); Site (1)
Keywords Calcium;Carbohydrate metabolism;Glycosidase;Hydrolase;Metal-binding;Reference proteome;Signal
Interact With
Induction
Subcellular Location
Modified Residue
Post Translational Modification
Signal Peptide SIGNAL 1..26; /evidence=ECO:0000255
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID 20530196; 22967050;
Motif
Gene Encoded By
Mass 48,592
Kinetics
Metal Binding METAL 117; /note=Calcium 1; /evidence=ECO:0000250|UniProtKB:P00693; METAL 134; /note=Calcium 2; /evidence=ECO:0000250|UniProtKB:P00693; METAL 137; /note=Calcium 2; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00693; METAL 139; /note=Calcium 2; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00693; METAL 143; /note=Calcium 2; /evidence=ECO:0000250|UniProtKB:P00693; METAL 153; /note=Calcium 3; /evidence=ECO:0000250|UniProtKB:P00693; METAL 164; /note=Calcium 1; /evidence=ECO:0000250|UniProtKB:P00693; METAL 167; /note=Calcium 1; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00693; METAL 168; /note=Calcium 3; /evidence=ECO:0000250|UniProtKB:P00693; METAL 169; /note=Calcium 3; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00693; METAL 172; /note=Calcium 3; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00693; METAL 174; /note=Calcium 1; /evidence=ECO:0000250|UniProtKB:P00693; METAL 174; /note=Calcium 3; /evidence=ECO:0000250|UniProtKB:P00693; METAL 209; /note=Calcium 1; via carbonyl oxygen; /evidence=ECO:0000250|UniProtKB:P00693
Rhea ID
Cross Reference Brenda