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GLGX_SHIDS
ID   GLGX_SHIDS              Reviewed;         657 AA.
AC   Q32AV4;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 101.
DE   RecName: Full=Glycogen debranching enzyme {ECO:0000255|HAMAP-Rule:MF_01248};
DE            EC=3.2.1.196 {ECO:0000255|HAMAP-Rule:MF_01248};
DE   AltName: Full=Limit dextrin alpha-1,6-maltotetraose-hydrolase {ECO:0000255|HAMAP-Rule:MF_01248};
GN   Name=glgX {ECO:0000255|HAMAP-Rule:MF_01248}; OrderedLocusNames=SDY_3577;
OS   Shigella dysenteriae serotype 1 (strain Sd197).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300267;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sd197;
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   -!- FUNCTION: Removes maltotriose and maltotetraose chains that are
CC       attached by 1,6-alpha-linkage to the limit dextrin main chain,
CC       generating a debranched limit dextrin. {ECO:0000255|HAMAP-
CC       Rule:MF_01248}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Hydrolysis of (1->6)-alpha-D-glucosidic linkages to branches
CC         with degrees of polymerization of three or four glucose residues in
CC         limit dextrin.; EC=3.2.1.196; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01248};
CC   -!- PATHWAY: Glycan degradation; glycogen degradation. {ECO:0000255|HAMAP-
CC       Rule:MF_01248}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01248}.
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DR   EMBL; CP000034; ABB63551.1; -; Genomic_DNA.
DR   RefSeq; WP_000192515.1; NC_007606.1.
DR   RefSeq; YP_405042.1; NC_007606.1.
DR   AlphaFoldDB; Q32AV4; -.
DR   SMR; Q32AV4; -.
DR   STRING; 300267.SDY_3577; -.
DR   CAZy; CBM48; Carbohydrate-Binding Module Family 48.
DR   CAZy; GH13; Glycoside Hydrolase Family 13.
DR   EnsemblBacteria; ABB63551; ABB63551; SDY_3577.
DR   KEGG; sdy:SDY_3577; -.
DR   PATRIC; fig|300267.13.peg.4248; -.
DR   HOGENOM; CLU_011725_1_1_6; -.
DR   OMA; SEPWDCG; -.
DR   UniPathway; UPA00165; -.
DR   Proteomes; UP000002716; Chromosome.
DR   GO; GO:0004133; F:glycogen debranching enzyme activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0004553; F:hydrolase activity, hydrolyzing O-glycosyl compounds; IEA:InterPro.
DR   GO; GO:0005980; P:glycogen catabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02856; E_set_GDE_Isoamylase_N; 1.
DR   Gene3D; 2.60.40.10; -; 1.
DR   Gene3D; 2.60.40.1180; -; 1.
DR   HAMAP; MF_01248; GlgX; 1.
DR   InterPro; IPR040784; GlgX_C.
DR   InterPro; IPR044505; GlgX_Isoamylase_N_E_set.
DR   InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR   InterPro; IPR004193; Glyco_hydro_13_N.
DR   InterPro; IPR013780; Glyco_hydro_b.
DR   InterPro; IPR022844; Glycogen_debranch_bac.
DR   InterPro; IPR011837; Glycogen_debranch_GlgX.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   InterPro; IPR013783; Ig-like_fold.
DR   InterPro; IPR014756; Ig_E-set.
DR   Pfam; PF00128; Alpha-amylase; 1.
DR   Pfam; PF02922; CBM_48; 1.
DR   Pfam; PF18390; GlgX_C; 1.
DR   SMART; SM00642; Aamy; 1.
DR   SUPFAM; SSF51445; SSF51445; 1.
DR   SUPFAM; SSF81296; SSF81296; 1.
DR   TIGRFAMs; TIGR02100; glgX_debranch; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Glycogen metabolism; Glycosidase; Hydrolase;
KW   Reference proteome.
FT   CHAIN           1..657
FT                   /note="Glycogen debranching enzyme"
FT                   /id="PRO_1000067106"
FT   REGION          460..479
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        465..479
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        336
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01248"
FT   ACT_SITE        371
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01248"
FT   SITE            443
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01248"
SQ   SEQUENCE   657 AA;  73648 MW;  49497E4EB337BC3B CRC64;
     MTQLAIGKPA PLGAHYDGQG VNFTLFSAHA ERVELCVFDA NGHEHRYDLP GHSGDIWHGY
     LPDARPGLRY GYRVHGPWQP AEGHRFNPAK LLIDPCARQI DGEFKDNPLL YAGHNEPDYR
     DNAAIAPKCV VVVDHYDWED DAPPRTPWGS TIIYEAHVKG LTYLHPEIPV EIRGTYKALG
     HPVMINYLKQ LGITALELLP VAQFASEPRL QRMGLSNYWG YNPVAMFALH PAYACSPETA
     LHEFRDAIKA LHKAGIEVIL DIVLNHSAEL DLDGPLFSLR GIDNRSYYWI REDGDYHNWT
     GCGNTLNLSH PAVVDYASAC LRYWVETCHV DGFRFDLAAV MGRTPEFRQD APLFTAIQNC
     PVLSQVKLIA EPWDIAPGGY QVGNFPPLFA EWNDHFRDAA RRFWLHYDLP LGAFAGRFAA
     SSDVFKRNGR LPSAAINLVT AHDGFTLRDC VCFNHKHNEA NGEENRDGTN NNYSNNHGKE
     GLGGTLDLVE RRRDSIHALL TTLLLSQGTP MLLAGDEHGH SQHGNNNAYC QDNQLTWLDW
     SQASSGLTAF TAALIHLRKR IPALVENRWW EEGDGNVRWL NRYAQPLSTD EWQNGPKQLQ
     ILLSDRFLIA INATLEVTEI VLPAGEWHAI PPFAGEDNPV ITAVWQGPAH GLCVFQR
 
 
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