ID   Q3JCV3_NITOC            Unreviewed;      1104 AA.
AC   Q3JCV3;
DT   08-NOV-2005, integrated into UniProtKB/TrEMBL.
DT   08-NOV-2005, sequence version 1.
DT   27-MAR-2024, entry version 98.
DE   RecName: Full=Maltokinase {ECO:0000256|ARBA:ARBA00013882};
DE            EC=2.7.1.175 {ECO:0000256|ARBA:ARBA00011962};
DE            EC=5.4.99.16 {ECO:0000256|ARBA:ARBA00012619};
DE   AltName: Full=Maltose alpha-D-glucosyltransferase {ECO:0000256|ARBA:ARBA00031378};
DE   AltName: Full=Maltose-1-phosphate synthase {ECO:0000256|ARBA:ARBA00031251};
GN   OrderedLocusNames=Noc_0830 {ECO:0000313|EMBL:ABA57343.1};
OS   Nitrosococcus oceani (strain ATCC 19707 / BCRC 17464 / JCM 30415 / NCIMB
OS   11848 / C-107).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales; Chromatiaceae;
OC   Nitrosococcus.
OX   NCBI_TaxID=323261 {ECO:0000313|EMBL:ABA57343.1, ECO:0000313|Proteomes:UP000006838};
RN   [1] {ECO:0000313|Proteomes:UP000006838}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 19707 / BCRC 17464 / NCIMB 11848 / C-107
RC   {ECO:0000313|Proteomes:UP000006838};
RX   PubMed=16957257; DOI=10.1128/AEM.00463-06;
RA   Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J.,
RA   Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T.,
RA   Vergez L.M., Ward B.B.;
RT   "Complete genome sequence of the marine, chemolithoautotrophic, ammonia-
RT   oxidizing bacterium Nitrosococcus oceani ATCC 19707.";
RL   Appl. Environ. Microbiol. 72:6299-6315(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + D-maltose = ADP + alpha-maltose 1-phosphate + H(+);
CC         Xref=Rhea:RHEA:31915, ChEBI:CHEBI:15378, ChEBI:CHEBI:17306,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:63576, ChEBI:CHEBI:456216;
CC         EC=2.7.1.175; Evidence={ECO:0000256|ARBA:ARBA00001537};
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 aminoglycoside phosphotransferase family.
CC       {ECO:0000256|ARBA:ARBA00006219}.
CC   -!- SIMILARITY: Belongs to the glycosyl hydrolase 13 family. TreS
CC       subfamily. {ECO:0000256|ARBA:ARBA00005496}.
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DR   EMBL; CP000127; ABA57343.1; -; Genomic_DNA.
DR   RefSeq; WP_002811514.1; NC_007484.1.
DR   AlphaFoldDB; Q3JCV3; -.
DR   STRING; 323261.Noc_0830; -.
DR   CAZy; GH13; Glycoside Hydrolase Family 13.
DR   KEGG; noc:Noc_0830; -.
DR   eggNOG; COG0366; Bacteria.
DR   eggNOG; COG3281; Bacteria.
DR   HOGENOM; CLU_007635_1_1_6; -.
DR   InParanoid; Q3JCV3; -.
DR   Proteomes; UP000006838; Chromosome.
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; IPR011009; Kinase-like_dom_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.
DR   SUPFAM; SSF56112; Protein kinase-like (PK-like); 1.
PE   3: Inferred from homology;
KW   Calcium {ECO:0000256|ARBA:ARBA00022837};
KW   Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000313|EMBL:ABA57343.1};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW   Reference proteome {ECO:0000313|Proteomes:UP000006838}.
FT   DOMAIN          24..423
FT                   /note="Glycosyl hydrolase family 13 catalytic"
FT                   /evidence="ECO:0000259|SMART:SM00642"
SQ   SEQUENCE   1104 AA;  128165 MW;  A87131B0D8403738 CRC64;
     MNPRGEELAW QDDPLWYKDA IIYQLHVRAF FDSNNDGTGD FRGLTQKLDY IQDLGVNAIW
     LLPFYPSPLR DDGYDIADYR NIYPDYGTRR DVRHFVREAH RRGLKVITEL VINHTSDQHP
     WFQAARRAPP GSAKRDFYVW SDTDQKFPET RIIFTDTETS NWAWDPVAKA YYWHRFFSHQ
     PDLNHNNPQV VRAVIRVMRF WLDMGVDGLR LDAIPYLCVR EGTHNENLPE SHEVLKEMRA
     VVDEHYQGRM FLAEANQWPE DVREYFGDGD ECHMAYHFPL MPRMYMAIAQ EDRHPITEIM
     NQTPDIPQTC QWAIFLRNHD ELTLEMVTDK ERDYMYQSYA ANPRMRVNVG IRRRLAPLMD
     NDLDKIRLMN SLLFSMPGSP IIYYGDEIGM GDNIYLGDRN SVRTPMQWSP DRNAGFSKTD
     PQRLFLPPIM DPIYGYEGVN VEAQSRAPSS LLNWMKRLLA VRKSIKTFGR GTLAFLRPGN
     RKILAYVREW EGEAILCVAN LSRCAQPVEL DLSRFEGRVP LELMGHTPFP PIGELPYLLT
     LPGHGFYWFR LAMDVAEPAW HEQRSPPAEL PVLVLFDGWD SLFPERVDPS RQRMAEKLGR
     QLEQALGDFL LAQRWFAAKG EKIERIALEQ MEELGNWLLA RVRVEFTESE AQSYFIPLAI
     AWGEGDEEPI RRLLPATIAK IRRQARLGIL YDALEDINFS QALVMAMGQH REILFGAGRL
     KFSPTTAFEK LVYSASLEQL RRPAVEGTNS TLILDNRLFL KIYRYLEEGI NSEREIGYFL
     TEISPFPHIA PLAGTLEYIS PKEKVITLAL LQGFVSNQGD AWAYTVAYLE RFLEHCLAKP
     LEEVATELDK NHEDYLRKIT LLGRRTGELH QALAKETGNP AFDPEPIVSA DLISWRKRLE
     ADIECTFKKL AQRKNTFPES LRNDVEWFLR SGEILRQRLC LNSSILQTVK TRYHGDYHLG
     QVLVAEDDLV IIDFEGEPAR PLRERRKKHS PLRDVAGMLR SFNYAAVVAL RHCTAERPED
     QVLLMPLLHA WEQQAREYFL TGYREGMRDC PSYPVDSEQA HDLITLFTLE KALYELRYEL
     DNRPAWVEVP LRGLLAFLEE DEQK
//