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Database: UniProt/TrEMBL
Entry: Q8XDL2_ECO57
LinkDB: Q8XDL2_ECO57
Original site: Q8XDL2_ECO57 
ID   Q8XDL2_ECO57            Unreviewed;       676 AA.
AC   Q8XDL2;
DT   01-MAR-2002, integrated into UniProtKB/TrEMBL.
DT   05-JUL-2004, sequence version 2.
DT   24-JAN-2024, entry version 110.
DE   SubName: Full=Alpha-amylase {ECO:0000313|EMBL:AAG58720.1};
GN   Name=malS {ECO:0000313|EMBL:AAG58720.1};
GN   OrderedLocusNames=Z4996 {ECO:0000313|EMBL:AAG58720.1};
OS   Escherichia coli O157:H7.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334 {ECO:0000313|EMBL:AAG58720.1, ECO:0000313|Proteomes:UP000002519};
RN   [1] {ECO:0000313|EMBL:AAG58720.1, ECO:0000313|Proteomes:UP000002519}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC
RC   {ECO:0000313|Proteomes:UP000002519};
RX   PubMed=11206551; DOI=10.1038/35054089;
RA   Perna N.T., Plunkett G.III., Burland V., Mau B., Glasner J.D., Rose D.J.,
RA   Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G.,
RA   Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J.,
RA   Davis N.W., Lim A., Dimalanta E., Potamousis K., Apodaca J.,
RA   Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A.,
RA   Blattner F.R.;
RT   "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7.";
RL   Nature 409:529-533(2001).
CC   -!- COFACTOR:
CC       Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC         Evidence={ECO:0000256|PIRSR:PIRSR036917-2};
CC       Note=Binds 1 Ca(2+) ion per subunit. {ECO:0000256|PIRSR:PIRSR036917-2};
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DR   EMBL; AE005174; AAG58720.1; -; Genomic_DNA.
DR   PIR; D86032; D86032.
DR   PIR; F91185; F91185.
DR   CAZy; GH13; Glycoside Hydrolase Family 13.
DR   KEGG; ece:Z4996; -.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0042597; C:periplasmic space; IEA:InterPro.
DR   GO; GO:0004556; F:alpha-amylase activity; IEA:InterPro.
DR   GO; GO:0005509; F:calcium ion binding; IEA:InterPro.
DR   GO; GO:0030980; P:alpha-glucan catabolic process; IEA:InterPro.
DR   GO; GO:0009313; P:oligosaccharide catabolic process; IEA:InterPro.
DR   Gene3D; 3.20.20.80; Glycosidases; 2.
DR   InterPro; IPR014635; A_amylase_MalS.
DR   InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   PANTHER; PTHR10357; ALPHA-AMYLASE FAMILY MEMBER; 1.
DR   PANTHER; PTHR10357:SF209; PERIPLASMIC ALPHA-AMYLASE; 1.
DR   Pfam; PF00128; Alpha-amylase; 2.
DR   PIRSF; PIRSF036917; Alph_amls_MalS; 1.
DR   SMART; SM00642; Aamy; 1.
DR   SUPFAM; SSF51445; (Trans)glycosidases; 1.
PE   4: Predicted;
KW   Calcium {ECO:0000256|PIRSR:PIRSR036917-2};
KW   Disulfide bond {ECO:0000256|PIRSR:PIRSR036917-4};
KW   Metal-binding {ECO:0000256|PIRSR:PIRSR036917-2};
KW   Signal {ECO:0000256|SAM:SignalP}.
FT   SIGNAL          1..17
FT                   /evidence="ECO:0000256|SAM:SignalP"
FT   CHAIN           18..676
FT                   /evidence="ECO:0000256|SAM:SignalP"
FT                   /id="PRO_5004317805"
FT   DOMAIN          193..637
FT                   /note="Glycosyl hydrolase family 13 catalytic"
FT                   /evidence="ECO:0000259|SMART:SM00642"
FT   ACT_SITE        460
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-1"
FT   ACT_SITE        503
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-1"
FT   BINDING         314
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-2"
FT   BINDING         464
FT                   /ligand="Ca(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29108"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-2"
FT   SITE            565
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-3"
FT   DISULFID        57..75
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-4"
FT   DISULFID        121..537
FT                   /evidence="ECO:0000256|PIRSR:PIRSR036917-4"
SQ   SEQUENCE   676 AA;  75671 MW;  FBA29E4F806D804F CRC64;
     MKLAACFLTL LPGFAVAASW TSPGFPAFSE QGTGTFVSHA QLPKGTRPLT LNFDQQCWQP
     ADAIKLNQML SLQPCSNTPP QWRLFRDGKY TLQIDTRSGT PTLMISIQNA AEPVANLVRE
     CPKWDGLPLT LDVSATFPEG AAVRDYYSQQ IAIVKXGQIT XQPAATSNGL LLLERAETDA
     SAPFDWHNAT VYFVLTDRFE NGDPSNDQSY GRHKDGMAEI GTFHGGDLRG LTNKLDYLQQ
     LGVNALWISA PFEQIHGWVG GGTKGDFPHY AYHGYYTQDW TNLDANMGNE ADLRTLVDSA
     HQRGIRILFD VVMNHTGYAT LADMQEYQFG ALYLSGDEVK KTLGERWSDW KPAAGQTWHS
     FNDYINFSDK TGWDKWWGKN WIRTDIGDYD NPGFDDLTMS LAFLPDIKTE STTASGLPVF
     YKNKTDTHAK AIDGFTPRDY LTHWLSQWVR DYGIDGFRVD TAKHVELPAW QQLKTEASAA
     LREWKKANPD KALDDKPFWM TGEAWGHGVM QSDYYRHGFD AMINFDYQEQ AAKAVDCIAQ
     MDTTWQQMAE KLQGFNVLSY LSSHDTRLFR EGGDKAAELL LLAPGAVQIF YGDESSRPFG
     PTGSDPLQGT RSDMNWQDVS GKSAANVAHW QKISQFRARH PAIGAGKQTT LSLKQGYGFV
     REHGDDKVLV IWAGQQ
//
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