AMYR_DROKI
ID AMYR_DROKI Reviewed; 494 AA.
AC O77013;
DT 26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT 06-JUN-2002, sequence version 2.
DT 03-AUG-2022, entry version 100.
DE RecName: Full=Alpha-amylase-related protein;
DE EC=3.2.1.1 {ECO:0000250|UniProtKB:P04746};
DE Flags: Precursor;
GN Name=Amyrel;
OS Drosophila kikkawai (Fruit fly).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea;
OC Drosophilidae; Drosophila; Sophophora.
OX NCBI_TaxID=30033;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA Da Lage J.-L.;
RL Submitted (DEC-2001) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in
CC polysaccharides containing three or more (1->4)-alpha-linked D-
CC glucose units.; EC=3.2.1.1; Evidence={ECO:0000250|UniProtKB:P04746};
CC -!- COFACTOR:
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000250|UniProtKB:P56634};
CC Note=Binds 1 Ca(2+) ion per subunit. {ECO:0000250|UniProtKB:P56634};
CC -!- COFACTOR:
CC Name=chloride; Xref=ChEBI:CHEBI:17996;
CC Evidence={ECO:0000250|UniProtKB:P56634};
CC Note=Binds 1 Cl(-) ion per subunit. {ECO:0000250|UniProtKB:P56634};
CC -!- SUBUNIT: Monomer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family. {ECO:0000305}.
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DR EMBL; U96156; AAC39106.3; -; Genomic_DNA.
DR AlphaFoldDB; O77013; -.
DR SMR; O77013; -.
DR CAZy; GH13; Glycoside Hydrolase Family 13.
DR FlyBase; FBgn0021451; Dkik\Amyrel.
DR Proteomes; UP000515200; Unplaced.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0004556; F:alpha-amylase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0005975; P:carbohydrate metabolic process; IEA:UniProtKB-KW.
DR Gene3D; 2.60.40.1180; -; 1.
DR InterPro; IPR006048; A-amylase/branching_C.
DR InterPro; IPR031319; A-amylase_C.
DR InterPro; IPR006046; Alpha_amylase.
DR InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR InterPro; IPR013780; Glyco_hydro_b.
DR InterPro; IPR017853; Glycoside_hydrolase_SF.
DR Pfam; PF00128; Alpha-amylase; 1.
DR Pfam; PF02806; Alpha-amylase_C; 1.
DR PRINTS; PR00110; ALPHAAMYLASE.
DR SMART; SM00642; Aamy; 1.
DR SMART; SM00632; Aamy_C; 1.
DR SUPFAM; SSF51445; SSF51445; 1.
PE 3: Inferred from homology;
KW Calcium; Carbohydrate metabolism; Chloride; Disulfide bond; Glycosidase;
KW Hydrolase; Metal-binding; Pyrrolidone carboxylic acid; Reference proteome;
KW Secreted; Signal.
FT SIGNAL 1..20
FT /evidence="ECO:0000250"
FT CHAIN 21..494
FT /note="Alpha-amylase-related protein"
FT /id="PRO_0000001379"
FT ACT_SITE 208
FT /note="Nucleophile"
FT /evidence="ECO:0000250|UniProtKB:P04746"
FT ACT_SITE 245
FT /note="Proton donor"
FT /evidence="ECO:0000250|UniProtKB:P04746"
FT BINDING 118
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT BINDING 169
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT BINDING 178
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT BINDING 206
FT /ligand="chloride"
FT /ligand_id="ChEBI:CHEBI:17996"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT BINDING 212
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT BINDING 308
FT /ligand="chloride"
FT /ligand_id="ChEBI:CHEBI:17996"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT BINDING 343
FT /ligand="chloride"
FT /ligand_id="ChEBI:CHEBI:17996"
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT SITE 310
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000250|UniProtKB:P04746"
FT MOD_RES 21
FT /note="Pyrrolidone carboxylic acid"
FT /evidence="ECO:0000250"
FT DISULFID 48..104
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT DISULFID 157..171
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT DISULFID 376..382
FT /evidence="ECO:0000250|UniProtKB:P56634"
FT DISULFID 418..441
FT /evidence="ECO:0000255"
FT DISULFID 448..460
FT /evidence="ECO:0000250|UniProtKB:P56634"
SQ SEQUENCE 494 AA; 55644 MW; 620201BDA1813E22 CRC64;
MIKFALALTL CLAGASLSLA QHNPQWWGNR NTIVHLFEWK WSDIAEECET FLAPRGFAGV
QVSPVNENII SAGRPWWERY QPISYKLTTR SGNEEEFADM VRRCNDVGIR IYVDVLLNHM
SGDFDGVAVG TAGTEAEPSK KSFPGVPYSA QDFHPSCEIT DWNDRFQVQQ CELVGLKDLN
QHSDYVRSKL IEFLDHLIEL GVAGFRVDAA KHMAAEDLEY IYGSLSNLNI EHGFPHNARP
FIFQEVIDHG HETVSREEYN GLGAVTEFRF SEEIGNAFRG NNALKWLQSW GTDWGFLSSE
QALTFVDNHD NQRDMGSVLN YKSPRQYKMA TAFHLAYPYG ISRVMSSFAF DDHDTPPPQD
AQENIISPEF DDDGACVNGW ICEHRWRQIY AMVGFKNAVR DTQLSEWWDN GDNQISFCRG
NKGFLAVNNN QYDLSQELNT CLPAGEYCDV ISGSLIDGAC TGKSVTVNEH GYGYIHIGSD
DFDGVLALHV NAKV
