ID   Q31V47_SHIBS            Unreviewed;       676 AA.
AC   Q31V47;
DT   06-DEC-2005, integrated into UniProtKB/TrEMBL.
DT   06-DEC-2005, sequence version 1.
DT   27-MAR-2024, entry version 93.
DE   SubName: Full=Alpha-amylase {ECO:0000313|EMBL:ABB68061.1};
GN   Name=malS {ECO:0000313|EMBL:ABB68061.1};
GN   OrderedLocusNames=SBO_3579 {ECO:0000313|EMBL:ABB68061.1};
OS   Shigella boydii serotype 4 (strain Sb227).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300268 {ECO:0000313|EMBL:ABB68061.1, ECO:0000313|Proteomes:UP000007067};
RN   [1] {ECO:0000313|EMBL:ABB68061.1, ECO:0000313|Proteomes:UP000007067}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sb227 {ECO:0000313|EMBL:ABB68061.1,
RC   ECO:0000313|Proteomes:UP000007067};
RX   PubMed=16275786; DOI=10.1093/nar/gki954;
RA   Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA   Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA   Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA   Jin Q.;
RT   "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT   bacillary dysentery.";
RL   Nucleic Acids Res. 33:6445-6458(2005).
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; CP000036; ABB68061.1; -; Genomic_DNA.
DR   RefSeq; WP_000761939.1; NC_007613.1.
DR   AlphaFoldDB; Q31V47; -.
DR   CAZy; GH13; Glycoside Hydrolase Family 13.
DR   KEGG; sbo:SBO_3579; -.
DR   HOGENOM; CLU_022115_1_0_6; -.
DR   Proteomes; UP000007067; 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   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_5004220364"
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;  75822 MW;  C856BDC91FFFC0FD CRC64;
     MKLASCFLTL LPGFAVAASW TSPGFPAFSE QGTGTFVSHA QLPKGTRPLT LNFDQQCWQP
     ADAIKLNQML SLQPCSNTPP QWRLFRDGKY TLQIDTRSGT PTLMISIQNA AEPVANLVRE
     CPKWDGLPLT LDVSATFPEG AAVRDYYSQQ IAIVKNGQIT LQPAATSNGL LLLERAETDT
     SAPFDWHNAT VYFVLTDRFE NGDPSNDQSY GRHKDGMAEI GTFHGGDLRG LINKLDYLQQ
     LGVNALWISA PFEQIHGWVG GGTKGDFPHY AYHGYYTQDW TNLDANMGNE ADLRTLVDSA
     HQRGIRILFD VVMNHTGYAT LADMQEYQFG ALYLSGDEVK KTLGERWSDW KPAAGQTWHS
     FNDYINFSDK TGWDKWWGKN WIRTDIGDYD NPGFDDLTMS LAFLPDIKTE STTASGLPVF
     YKNKTDTHAK VIEGFTPRDY LTHWLSQWVR DYGIDGFRVD TAKHVELPAW QQLKTEASSA
     LREWKKTNPD KALDDKPFWM TGEAWGHGVM QSDYYRHGFD AMINFDYQEQ AAKAVDCLAQ
     MDTTWQQMAE KLQGFNVLSY LSSHDTRLFR EGGDKAAELL LLAPGAVQIF YGDESSRPFG
     PTGSDPLQGT RSDMNWQDVS GKSAANVAHW QKISQFRARH PAIGAGKQTT LSLKQGYGFV
     REHGDDKVLV IWAGQQ
//