ID   Q2FNI2_METHJ            Unreviewed;       497 AA.
AC   Q2FNI2;
DT   21-MAR-2006, integrated into UniProtKB/TrEMBL.
DT   21-MAR-2006, sequence version 1.
DT   02-SEP-2026, entry version 92.
DE   RecName: Full=4-alpha-glucanotransferase {ECO:0000256|ARBA:ARBA00012560};
DE            EC=2.4.1.25 {ECO:0000256|ARBA:ARBA00012560};
DE   AltName: Full=Amylomaltase {ECO:0000256|ARBA:ARBA00031423};
DE   AltName: Full=Disproportionating enzyme {ECO:0000256|ARBA:ARBA00031501};
GN   OrderedLocusNames=Mhun_0552 {ECO:0000313|EMBL:ABD40312.1};
OS   Methanospirillum hungatei JF-1 (strain ATCC 27890 / DSM 864 / NBRC 100397 /
OS   JF-1).
OC   Archaea; Methanobacteriati; Methanobacteriota; Stenosarchaea group;
OC   Methanomicrobia; Methanomicrobiales; Methanospirillaceae; Methanospirillum.
OX   NCBI_TaxID=323259 {ECO:0000313|EMBL:ABD40312.1, ECO:0000313|Proteomes:UP000001941};
RN   [1] {ECO:0000313|Proteomes:UP000001941}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27890 / DSM 864 / NBRC 100397 / JF-1
RC   {ECO:0000313|Proteomes:UP000001941};
RX   PubMed=26744606; DOI=10.1186/s40793-015-0124-8;
RA   Gunsalus R.P., Cook L.E., Crable B., Rohlin L., McDonald E., Mouttaki H.,
RA   Sieber J.R., Poweleit N., Zhou H., Lapidus A.L., Daligault H.E., Land M.,
RA   Gilna P., Ivanova N., Kyrpides N., Culley D.E., McInerney M.J.;
RT   "Complete genome sequence of Methanospirillum hungatei type strain JF1.";
RL   Stand. Genomic Sci. 11:2-2(2016).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Transfers a segment of a (1->4)-alpha-D-glucan to a new
CC         position in an acceptor, which may be glucose or a (1->4)-alpha-D-
CC         glucan.; EC=2.4.1.25; Evidence={ECO:0000256|ARBA:ARBA00000439};
CC   -!- SIMILARITY: Belongs to the disproportionating enzyme family.
CC       {ECO:0000256|ARBA:ARBA00005684}.
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DR   EMBL; CP000254; ABD40312.1; -; Genomic_DNA.
DR   RefSeq; WP_011447599.1; NC_007796.1.
DR   AlphaFoldDB; Q2FNI2; -.
DR   STRING; 323259.Mhun_0552; -.
DR   EnsemblBacteria; ABD40312; ABD40312; Mhun_0552.
DR   GeneID; 3922748; -.
DR   KEGG; mhu:Mhun_0552; -.
DR   eggNOG; arCOG04681; Archaea.
DR   HOGENOM; CLU_014132_1_0_2; -.
DR   InParanoid; Q2FNI2; -.
DR   OrthoDB; 104697at2157; -.
DR   Proteomes; UP000001941; Chromosome.
DR   GO; GO:0004134; F:4-alpha-glucanotransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   Gene3D; 3.20.20.80; Glycosidases; 1.
DR   InterPro; IPR017853; GH_hydrolase_sf.
DR   InterPro; IPR003385; Glyco_hydro_77.
DR   NCBIfam; TIGR00217; malQ; 1.
DR   NCBIfam; NF011080; PRK14508.1-3; 1.
DR   PANTHER; PTHR32438; 4-ALPHA-GLUCANOTRANSFERASE DPE1, CHLOROPLASTIC/AMYLOPLASTIC; 1.
DR   PANTHER; PTHR32438:SF5; 4-ALPHA-GLUCANOTRANSFERASE DPE1, CHLOROPLASTIC_AMYLOPLASTIC; 1.
DR   Pfam; PF02446; Glyco_hydro_77; 1.
DR   SUPFAM; SSF51445; (Trans)glycosidases; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism {ECO:0000256|ARBA:ARBA00023277};
KW   Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676,
KW   ECO:0000313|EMBL:ABD40312.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000001941};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:ABD40312.1}.
SQ   SEQUENCE   497 AA;  57662 MW;  D11E0F0227D848F9 CRC64;
     MKTRGSGILL HITSLPGQFG IGDLGPQADR FVDFLQASGQ RYWQILPVHP TDIRYDNSPY
     HSISAFAGNP LLISPEEMVN DGYLDPSDLQ EGLEGPRDEV DYKAVIAYKE RLFDMAYNRF
     AYFGSDPRFI DFCSEQAWWL DDYALFTAIR KYYAPAVWSD WPHPLKERDP QALHEFQEKN
     NSVIEREKFI QYIFSGQWEA LRKKCHNAGI RLIGDIPIYI DYDSSDVWTY SDLFRLDKER
     RPTFVAGVPP DYFSATGQVW NNPLYDWDAI KNSGFSWWLL RLKRELSMVD YVRIDHFRGL
     VGFWEIRAGS DTAIEGRWIE APAWDFIRTL VKEFPCLPII AEDLGIITSD VREIMREFMI
     PGMKVLVFAF SSPTGDNPYI LHNIPKDSVV YTGTHDNTPV RGWYELDATH EEKQRLIAYL
     GREPEIHEIS DIFIRLAMMS SANTAIIPIQ DILGLDSSAR MNKPGTEHGN WRWRLQERMI
     SEELSRRLSE LVKIYGR
//