ID   K9RAZ7_9CYAN            Unreviewed;      1132 AA.
AC   K9RAZ7;
DT   06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT   06-MAR-2013, sequence version 1.
DT   27-MAR-2024, entry version 42.
DE   RecName: Full=maltose alpha-D-glucosyltransferase {ECO:0000256|ARBA:ARBA00012619};
DE            EC=5.4.99.16 {ECO:0000256|ARBA:ARBA00012619};
DE   AltName: Full=Maltose alpha-D-glucosyltransferase {ECO:0000256|ARBA:ARBA00031378};
GN   ORFNames=Riv7116_2079 {ECO:0000313|EMBL:AFY54611.1};
OS   Rivularia sp. PCC 7116.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Rivulariaceae;
OC   Rivularia.
OX   NCBI_TaxID=373994 {ECO:0000313|EMBL:AFY54611.1, ECO:0000313|Proteomes:UP000010380};
RN   [1] {ECO:0000313|EMBL:AFY54611.1, ECO:0000313|Proteomes:UP000010380}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7116 {ECO:0000313|EMBL:AFY54611.1,
RC   ECO:0000313|Proteomes:UP000010380};
RG   US DOE Joint Genome Institute;
RA   Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA   Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Chen A., Kyrpides N.,
RA   Mavromatis K., Markowitz V., Szeto E., Ivanova N., Pagani I., Pati A.,
RA   Goodwin L., Nordberg H.P., Cantor M.N., Hua S.X., Woyke T., Kerfeld C.A.;
RT   "Finished chromosome of genome of Rivularia sp. PCC 7116.";
RL   Submitted (AUG-2012) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=D-maltose = alpha,alpha-trehalose; Xref=Rhea:RHEA:15145,
CC         ChEBI:CHEBI:16551, ChEBI:CHEBI:17306; EC=5.4.99.16;
CC         Evidence={ECO:0000256|ARBA:ARBA00001595};
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family. TreS
CC       subfamily. {ECO:0000256|ARBA:ARBA00005496}.
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DR   EMBL; CP003549; AFY54611.1; -; Genomic_DNA.
DR   AlphaFoldDB; K9RAZ7; -.
DR   STRING; 373994.Riv7116_2079; -.
DR   KEGG; riv:Riv7116_2079; -.
DR   PATRIC; fig|373994.3.peg.2208; -.
DR   eggNOG; COG0366; Bacteria.
DR   eggNOG; COG3281; Bacteria.
DR   HOGENOM; CLU_007635_1_1_3; -.
DR   Proteomes; UP000010380; Chromosome.
DR   GO; GO:0016757; F:glycosyltransferase activity; IEA:UniProtKB-KW.
DR   GO; GO:0047471; F:maltose alpha-D-glucosyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   CDD; cd11334; AmyAc_TreS; 1.
DR   Gene3D; 3.90.1200.10; -; 1.
DR   Gene3D; 3.20.20.80; Glycosidases; 1.
DR   Gene3D; 2.60.40.1180; Golgi alpha-mannosidase II; 1.
DR   InterPro; IPR006047; Glyco_hydro_13_cat_dom.
DR   InterPro; IPR013780; Glyco_hydro_b.
DR   InterPro; IPR017853; Glycoside_hydrolase_SF.
DR   InterPro; IPR040999; Mak_N_cap.
DR   InterPro; IPR032091; Malt_amylase_C.
DR   InterPro; IPR045857; O16G_dom_2.
DR   InterPro; IPR012810; TreS/a-amylase_N.
DR   InterPro; IPR012811; TreS_maltokin_C_dom.
DR   NCBIfam; TIGR02457; TreS_Cterm; 1.
DR   NCBIfam; TIGR02456; treS_nterm; 1.
DR   PANTHER; PTHR10357; ALPHA-AMYLASE FAMILY MEMBER; 1.
DR   PANTHER; PTHR10357:SF219; MALTOSE ALPHA-D-GLUCOSYLTRANSFERASE; 1.
DR   Pfam; PF00128; Alpha-amylase; 1.
DR   Pfam; PF18085; Mak_N_cap; 1.
DR   Pfam; PF16657; Malt_amylase_C; 1.
DR   SMART; SM00642; Aamy; 1.
DR   SUPFAM; SSF51445; (Trans)glycosidases; 1.
DR   SUPFAM; SSF51011; Glycosyl hydrolase domain; 1.
PE   3: Inferred from homology;
KW   Calcium {ECO:0000256|ARBA:ARBA00022837};
KW   Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676};
KW   Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000313|EMBL:AFY54611.1};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW   Reference proteome {ECO:0000313|Proteomes:UP000010380};
KW   Transferase {ECO:0000256|ARBA:ARBA00022676}.
FT   DOMAIN          27..421
FT                   /note="Glycosyl hydrolase family 13 catalytic"
FT                   /evidence="ECO:0000259|SMART:SM00642"
SQ   SEQUENCE   1132 AA;  130169 MW;  D456A1B4AA3A1670 CRC64;
     MRAVKKIMQN PLLKDDPLWF KDAVIYEVPV RAFADSDGDG IGDFGGLTEK LDYLQDLGVT
     AIWVLPFFPS PLRDDGYDIA DYTSVNPIYG NLEDFKNCLN AAHQRGIRVI IELIVNHTSD
     QHPWFQRARK APPGSPERDF YVWSDTPEKY EEARIIFKDF ETSNWTWDPV AKAYYWHRFY
     SHQPDLNFEN PQMQEALFEV VDFWLEMGVD GLRLDAVPYL YEREGTNCEN LEETHAFLKK
     IRKHMDEKFP NRMMLAEANQ WPEDAVEYYS GGDECHMNFH FPLMPRLFMG LQMEDSFPII
     DILQQTPPIP GNCQWALFLR NHDELTLEMV SDEDRDYMYR VYAQDQQARL NLGIRRRLAP
     LMGNNRRRIE VMNALLMSLP GTPVLYYGDE IAMGDNIYLG DRNGVRTPMQ WSADRNGGFS
     RCNPHKLYAP VIIDPEYHFE AVNVEAQREN RNSLWWWMKR LIATRGRFQA FGRGTFELLY
     PENRKVLAFT RTYNGEHILV VTNLSRFVQT VELDLAAFDG MIPVEIFGRT TFPAIDDAPY
     FMSLAPHAFY WFTLDVQTNI TCPVRPQNQI PTIVVSDNWR NIFTKSETKA ALEEMLPDYM
     CACSWFDSKS RVIQSSHVIE AIPISFRSLE AAIVLIQLDY TEGDPETYVL PLAYEPEGIN
     HERFSSYREE VVANIEIRSE KQTGVLFDAL ADKEFLNFPL EAIANKETYK GMAGQLVAES
     SKDFTELAGA GSNFGLKANL EAHLLRGEHN NTCVIYGDRL MCKLFRKVVG EGINPDLEVG
     QFLTHSSATT GLPGAENFAP VAGSLNYSRK GFETMTLGMV QKYIPDIRDG WVYSLDSLRD
     FFEQVQVTQI DAVADIDLPP SLLSAALETE IPEIAQEMIG SYLRNAQLLG ERTAEMHLAL
     VSDQEDPNFA PEAFTSFYQR SIYQYMRNQA GQVLLLLKKH LIQLPSDLQP VAQVVLNNRE
     MILARLKSIL NQKINAMRTR THGNLCLNEV LYTGKDFIII DFEGDQTRPL SERRMKRSPL
     RDVAGMLESF YYSSRIGLRN EKESGIILPD DQPLMEQWAQ FFYTWSSIAF LQSYLKAAKD
     APFIPSEPSE LQLLLDGFVL EKVIIELEHE LKNRPNWVEV PLYRILELLE TA
//