ID   B7ULD2_ECO27            Unreviewed;       676 AA.
AC   B7ULD2;
DT   10-FEB-2009, integrated into UniProtKB/TrEMBL.
DT   10-FEB-2009, sequence version 1.
DT   27-MAR-2024, entry version 71.
DE   SubName: Full=Alpha-amylase {ECO:0000313|EMBL:CAS11371.1};
GN   Name=malS {ECO:0000313|EMBL:CAS11371.1};
GN   OrderedLocusNames=E2348C_3823 {ECO:0000313|EMBL:CAS11371.1};
OS   Escherichia coli O127:H6 (strain E2348/69 / EPEC).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=574521 {ECO:0000313|EMBL:CAS11371.1, ECO:0000313|Proteomes:UP000008205};
RN   [1] {ECO:0000313|EMBL:CAS11371.1, ECO:0000313|Proteomes:UP000008205}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=E2348/69 / EPEC {ECO:0000313|Proteomes:UP000008205};
RX   PubMed=18952797; DOI=10.1128/JB.01238-08;
RA   Iguchi A., Thomson N.R., Ogura Y., Saunders D., Ooka T., Henderson I.R.,
RA   Harris D., Asadulghani M., Kurokawa K., Dean P., Kenny B., Quail M.A.,
RA   Thurston S., Dougan G., Hayashi T., Parkhill J., Frankel G.;
RT   "Complete genome sequence and comparative genome analysis of
RT   enteropathogenic Escherichia coli O127:H6 strain E2348/69.";
RL   J. Bacteriol. 191:347-354(2009).
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; FM180568; CAS11371.1; -; Genomic_DNA.
DR   RefSeq; WP_000762038.1; NC_011601.1.
DR   AlphaFoldDB; B7ULD2; -.
DR   CAZy; GH13; Glycoside Hydrolase Family 13.
DR   KEGG; ecg:E2348C_3823; -.
DR   HOGENOM; CLU_022115_1_0_6; -.
DR   Proteomes; UP000008205; 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:SF215; ALPHA-AMYLASE 1; 1.
DR   PANTHER; PTHR10357; ALPHA-AMYLASE FAMILY MEMBER; 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   Reference proteome {ECO:0000313|Proteomes:UP000008205};
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_5002862692"
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;  75820 MW;  4BCB26FCB969272A CRC64;
     MKLAVCFLTL LPGFAVAASW TSPGFPAFSE QGTGTFVSHA QLPKGTRPLT LNFDQQCWQP
     ADAIKLNQML SLQPCSNTPP QWRLFRDGEY TLQLDTRSGT PTLMISIQNA VEPVASLVRE
     CPKWDGLPLT LDVSATFPEG VAVRDYYSQQ IAIVKNGQIT LQPAASSNGL LLLERAETDA
     SAPFDWHNAT VHFVLTDRFE NGDPNNDQSY GRHKDGMAEI GTFHGGDLRG LTNKLDYLQQ
     LGVNALWISA PFEQIHGWVG GGTKGDFPHY AYHGYYTQDW TNLDANMGSK ADLRTLVDSA
     HQRGIRILFD VVMNHTGYAT LADMQEYQFG ALYLSGDELK KTLGERWSDW KPAAGQTWHS
     FNDYINFSDK TGWDKWWGKN WIRTDIGDYD NPGFDDLTMS LAFLPDIKTE STSASGLPVF
     YKNKTDTHAK DIDGFTPRDY LTHWLSQWVR DYGIDGFRVD TAKHVELPTW QQLKTEASAA
     LREWKKANPD KALDDKPFWM TGEAWGHGVM QSDYYRHGFD AMINFDYQEQ AAKAVDCLAQ
     MDTTWQQMAE KLQDFNVLSY LSSHDTRLFR EGGHKAAELL LLAPGAVQIF YGDESSRPFG
     PTGSDPLQGT RSDMNWQDVS GKSAASVAHW QKISQFRARH PAIGAGKQTT LSLKQGYGFV
     REHGDDKVLV IWAGQQ
//