ID K0TBB2_THAOC Unreviewed; 415 AA.
AC K0TBB2;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 24-JAN-2024, entry version 33.
DE RecName: Full=inositol-3-phosphate synthase {ECO:0000256|ARBA:ARBA00012125};
DE EC=5.5.1.4 {ECO:0000256|ARBA:ARBA00012125};
GN ORFNames=THAOC_11184 {ECO:0000313|EMBL:EJK67747.1};
OS Thalassiosira oceanica (Marine diatom).
OC Eukaryota; Sar; Stramenopiles; Ochrophyta; Bacillariophyta;
OC Coscinodiscophyceae; Thalassiosirophycidae; Thalassiosirales;
OC Thalassiosiraceae; Thalassiosira.
OX NCBI_TaxID=159749 {ECO:0000313|EMBL:EJK67747.1, ECO:0000313|Proteomes:UP000266841};
RN [1] {ECO:0000313|EMBL:EJK67747.1, ECO:0000313|Proteomes:UP000266841}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCMP1005 {ECO:0000313|EMBL:EJK67747.1,
RC ECO:0000313|Proteomes:UP000266841};
RX PubMed=22835381; DOI=10.1186/gb-2012-13-7-r66;
RA Lommer M., Specht M., Roy A.S., Kraemer L., Andreson R., Gutowska M.A.,
RA Wolf J., Bergner S.V., Schilhabel M.B., Klostermeier U.C., Beiko R.G.,
RA Rosenstiel P., Hippler M., Laroche J.;
RT "Genome and low-iron response of an oceanic diatom adapted to chronic iron
RT limitation.";
RL Genome Biol. 13:R66-R66(2012).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=D-glucose 6-phosphate = 1D-myo-inositol 3-phosphate;
CC Xref=Rhea:RHEA:10716, ChEBI:CHEBI:58401, ChEBI:CHEBI:61548;
CC EC=5.5.1.4; Evidence={ECO:0000256|ARBA:ARBA00000113};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000256|ARBA:ARBA00001911};
CC -!- PATHWAY: Polyol metabolism; myo-inositol biosynthesis; myo-inositol
CC from D-glucose 6-phosphate: step 1/2. {ECO:0000256|ARBA:ARBA00005117}.
CC -!- SIMILARITY: Belongs to the myo-inositol 1-phosphate synthase family.
CC {ECO:0000256|ARBA:ARBA00010813}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EJK67747.1}.
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DR EMBL; AGNL01012688; EJK67747.1; -; Genomic_DNA.
DR AlphaFoldDB; K0TBB2; -.
DR EnsemblProtists; EJK67747; EJK67747; THAOC_11184.
DR eggNOG; KOG0693; Eukaryota.
DR OMA; GHITVIW; -.
DR UniPathway; UPA00823; UER00787.
DR Proteomes; UP000266841; Unassembled WGS sequence.
DR GO; GO:0004512; F:inositol-3-phosphate synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006021; P:inositol biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0008654; P:phospholipid biosynthetic process; IEA:InterPro.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR InterPro; IPR002587; Myo-inos-1-P_Synthase.
DR InterPro; IPR013021; Myo-inos-1-P_Synthase_GAPDH.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR PANTHER; PTHR11510:SF5; INOSITOL-3-PHOSPHATE SYNTHASE 1; 1.
DR PANTHER; PTHR11510; MYO-INOSITOL-1 PHOSPHATE SYNTHASE; 1.
DR Pfam; PF01658; Inos-1-P_synth; 1.
DR Pfam; PF07994; NAD_binding_5; 1.
DR SUPFAM; SSF55347; Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Inositol biosynthesis {ECO:0000256|ARBA:ARBA00022550};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW NAD {ECO:0000256|ARBA:ARBA00023027};
KW Reference proteome {ECO:0000313|Proteomes:UP000266841}.
FT DOMAIN 261..365
FT /note="Myo-inositol-1-phosphate synthase GAPDH-like"
FT /evidence="ECO:0000259|Pfam:PF01658"
SQ SEQUENCE 415 AA; 45027 MW; 133DB4D7AF9FF31C CRC64;
MKNEMQVSAG ILIVGLGGNN GVTLLAGQLA NKHGLEWETL TGRVSANWFG CLTQIPSRGV
HGGVGYQGRI KGLASASSAA IGGWDIRPTP LGQALYECRV LEPDLVRQVR EEMDCTEIMK
GFGIRPSSES PSTTLQPMYD IRTWKEKNSV DGHITVIWSA SVERPSEAVY STPDELLDAI
HDDSNGDDIS PSMLYAAAAA LEGCSFVNGG SQNTLSPAMN ALFDEAYRRD ASGVSPKCAL
SKFAPYSTNK AYCLGTDYKA GQTKFKTAAV EYLRALGLTP RVIASSNHLG NNDMLNLTTK
KTLNAKMRVK SDIFGPWQEE NLDHKVSVMY CPYIGDEKRD FVEYTSLGFL GSPHTMVTYT
RCMDSILCVP LMVDAAIWCD YFVNNNVSAG DAAKATAYLF KVPEGDAKGV DPGFF
//
