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GLGB_TRIV2
ID   GLGB_TRIV2              Reviewed;         764 AA.
AC   Q3M473;
DT   28-NOV-2006, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2005, sequence version 1.
DT   25-MAY-2022, entry version 110.
DE   RecName: Full=1,4-alpha-glucan branching enzyme GlgB {ECO:0000255|HAMAP-Rule:MF_00685};
DE            EC=2.4.1.18 {ECO:0000255|HAMAP-Rule:MF_00685};
DE   AltName: Full=1,4-alpha-D-glucan:1,4-alpha-D-glucan 6-glucosyl-transferase {ECO:0000255|HAMAP-Rule:MF_00685};
DE   AltName: Full=Alpha-(1->4)-glucan branching enzyme {ECO:0000255|HAMAP-Rule:MF_00685};
DE   AltName: Full=Glycogen branching enzyme {ECO:0000255|HAMAP-Rule:MF_00685};
DE            Short=BE {ECO:0000255|HAMAP-Rule:MF_00685};
GN   Name=glgB {ECO:0000255|HAMAP-Rule:MF_00685}; OrderedLocusNames=Ava_4616;
OS   Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=240292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29413 / PCC 7937;
RX   PubMed=25197444; DOI=10.4056/sigs.3899418;
RA   Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA   Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT   "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL   Stand. Genomic Sci. 9:562-573(2014).
CC   -!- FUNCTION: Catalyzes the formation of the alpha-1,6-glucosidic linkages
CC       in glycogen by scission of a 1,4-alpha-linked oligosaccharide from
CC       growing alpha-1,4-glucan chains and the subsequent attachment of the
CC       oligosaccharide to the alpha-1,6 position. {ECO:0000255|HAMAP-
CC       Rule:MF_00685}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Transfers a segment of a (1->4)-alpha-D-glucan chain to a
CC         primary hydroxy group in a similar glucan chain.; EC=2.4.1.18;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00685};
CC   -!- PATHWAY: Glycan biosynthesis; glycogen biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00685}.
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00685}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family. GlgB
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00685}.
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DR   EMBL; CP000117; ABA24213.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3M473; -.
DR   SMR; Q3M473; -.
DR   STRING; 240292.Ava_4616; -.
DR   CAZy; CBM48; Carbohydrate-Binding Module Family 48.
DR   CAZy; GH13; Glycoside Hydrolase Family 13.
DR   EnsemblBacteria; ABA24213; ABA24213; Ava_4616.
DR   KEGG; ava:Ava_4616; -.
DR   eggNOG; COG0296; Bacteria.
DR   HOGENOM; CLU_004245_3_2_3; -.
DR   OMA; FGMKWMM; -.
DR   UniPathway; UPA00164; -.
DR   Proteomes; UP000002533; Chromosome.
DR   GO; GO:0003844; F:1,4-alpha-glucan branching enzyme activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0102752; F:1,4-alpha-glucan branching enzyme activity (using a glucosylated glycogenin as primer for glycogen synthesis); IEA:UniProtKB-EC.
DR   GO; GO:0043169; F:cation binding; IEA:InterPro.
DR   GO; GO:0004553; F:hydrolase activity, hydrolyzing O-glycosyl compounds; IEA:InterPro.
DR   GO; GO:0005978; P:glycogen biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02855; E_set_GBE_prok_N; 1.
DR   Gene3D; 2.60.40.10; -; 2.
DR   Gene3D; 2.60.40.1180; -; 1.
DR   HAMAP; MF_00685; GlgB; 1.
DR   InterPro; IPR006048; A-amylase/branching_C.
DR   InterPro; IPR037439; Branching_enzy.
DR   InterPro; IPR006407; GlgB.
DR   InterPro; IPR044143; GlgB_N_E_set_prok.
DR   InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR   InterPro; IPR004193; Glyco_hydro_13_N.
DR   InterPro; IPR013780; Glyco_hydro_b.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   InterPro; IPR013783; Ig-like_fold.
DR   InterPro; IPR014756; Ig_E-set.
DR   PANTHER; PTHR43651; PTHR43651; 1.
DR   Pfam; PF00128; Alpha-amylase; 1.
DR   Pfam; PF02806; Alpha-amylase_C; 1.
DR   Pfam; PF02922; CBM_48; 2.
DR   PIRSF; PIRSF000463; GlgB; 1.
DR   SMART; SM00642; Aamy; 1.
DR   SUPFAM; SSF51445; SSF51445; 1.
DR   SUPFAM; SSF81296; SSF81296; 2.
DR   TIGRFAMs; TIGR01515; branching_enzym; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Glycogen biosynthesis; Glycogen metabolism;
KW   Glycosyltransferase; Transferase.
FT   CHAIN           1..764
FT                   /note="1,4-alpha-glucan branching enzyme GlgB"
FT                   /id="PRO_0000260636"
FT   ACT_SITE        434
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00685"
FT   ACT_SITE        487
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00685"
SQ   SEQUENCE   764 AA;  88744 MW;  FFDAFBDBC68D583E CRC64;
     MPMTTIAPEQ VNRIVWNQHH DPFEILGSHP IEQNGKNVWV VRAYLPNASA AWVVLPEQRQ
     EYAMQTVHDP HFFECIIETS ELSNYQLKTK EGEHERVSYD PYAFRSPRLT DFDLHLFAEG
     NHHRIYEKLG AHFTEVDGVT GVYFAVWAPN ARNVSVLGDF NLWDGRKHQM RKGATGVWEL
     FIPEIGVGEH YKYEIKNFAG HIYEKSDPFG FQQEPRPKTA SIVSNLNSYN WSDENWLEQR
     RHTDPLTQPI SVYEVHLGSW LHAASAEPAK LPNGETEPVV IASELNPGAR FLTYRELASR
     LIPYVKELGY THIELLPIAE HPFDGSWGYQ VTGYYAPTSR FGTPEDFMYF VDQCHQNNIG
     VIVDWVPGHF PKDGHGLAFF DGTHLYEHAD SRKGEHKEWG TLVFNYSRNE VRNFLVANAL
     FWFDKYHIDG IRVDAVASML YLDYCRKEGE WLPNQYGGRE NLEAADFLRQ VNHLLFSYFP
     GVLSIAEEST DWPMVSWPTY TGGLGFNLKW NMGWMHDMLD YFSMDPWFRQ FHQNNVTFSM
     WYNHSENFML ALSHDEVVHG KSNIIGKMPG DKWQKLANVR CLFAYMFAHP GKKTMFMSME
     FGQWSEWNVW ADLEWPLLQF EPHQQLKKFF TELNKLYRSE PALYTLDFAR EGFDWIDCSD
     NRHSVVSFIR REKDTENFVV VVCNFTPQPH SHYRIGVPEK GFYTELFNSD ARQYGGSNMG
     NLGGKWTDDW SMHSRPYSLD LCLPPLGVLI LKMDKEKTAK ASGS
 
 
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