ID   SUHB_SYNY3              Reviewed;         287 AA.
AC   P74158;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 129.
DE   RecName: Full=Inositol-1-monophosphatase;
DE            Short=I-1-Pase;
DE            Short=IMPase;
DE            Short=Inositol-1-phosphatase;
DE            EC=3.1.3.25;
GN   Name=suhB; OrderedLocusNames=sll1383;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a myo-inositol phosphate + H2O = myo-inositol + phosphate;
CC         Xref=Rhea:RHEA:24056, ChEBI:CHEBI:15377, ChEBI:CHEBI:17268,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:84139; EC=3.1.3.25;
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC   -!- SIMILARITY: Belongs to the inositol monophosphatase superfamily.
CC       {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; BA000022; BAA18247.1; -; Genomic_DNA.
DR   PIR; S75686; S75686.
DR   AlphaFoldDB; P74158; -.
DR   SMR; P74158; -.
DR   IntAct; P74158; 5.
DR   STRING; 1148.1653332; -.
DR   PaxDb; P74158; -.
DR   PRIDE; P74158; -.
DR   EnsemblBacteria; BAA18247; BAA18247; BAA18247.
DR   KEGG; syn:sll1383; -.
DR   eggNOG; COG0483; Bacteria.
DR   InParanoid; P74158; -.
DR   OMA; RVDGYWE; -.
DR   PhylomeDB; P74158; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0008934; F:inositol monophosphate 1-phosphatase activity; IBA:GO_Central.
DR   GO; GO:0052832; F:inositol monophosphate 3-phosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0052833; F:inositol monophosphate 4-phosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006020; P:inositol metabolic process; IBA:GO_Central.
DR   GO; GO:0046855; P:inositol phosphate dephosphorylation; IBA:GO_Central.
DR   GO; GO:0046854; P:phosphatidylinositol phosphate biosynthetic process; IEA:InterPro.
DR   GO; GO:0007165; P:signal transduction; IBA:GO_Central.
DR   CDD; cd01639; IMPase; 1.
DR   InterPro; IPR033942; IMPase.
DR   InterPro; IPR020583; Inositol_monoP_metal-BS.
DR   InterPro; IPR000760; Inositol_monophosphatase-like.
DR   InterPro; IPR020550; Inositol_monophosphatase_CS.
DR   InterPro; IPR022337; Inositol_monophosphatase_SuhB.
DR   Pfam; PF00459; Inositol_P; 1.
DR   PRINTS; PR00377; IMPHPHTASES.
DR   PRINTS; PR01959; SBIMPHPHTASE.
DR   PROSITE; PS00629; IMP_1; 1.
DR   PROSITE; PS00630; IMP_2; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Magnesium; Metal-binding; Reference proteome.
FT   CHAIN           1..287
FT                   /note="Inositol-1-monophosphatase"
FT                   /id="PRO_0000142573"
FT   BINDING         79
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         79
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         96
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         96
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         98..101
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         98
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         99
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         195
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         224
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         224
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   287 AA;  31297 MW;  397DF535AA84031A CRC64;
     MTSAQKPVFS PSDLQTWLEI ATEAVLAAGA EIFSLWGKVQ QIQEKGRAGD LVTEADRQAE
     AIILEIIKRR CPDHAILAEE SGQLGQVDNP FCWAIDPLDG TTNFAHSYPV SCVSIGLLIQ
     DIPTVGVVYN PFRQELFRAA TSLGATLNRR PIQVSTTASL DKSLLVTGFA YDRVKTLDNN
     YPEFCYLTHL TQGVRRSGSA AIDLIDVACG RLDGYWERGI NPWDMAAGIV IVREAGGIVS
     AYDCSPLDLS TGRILATNGK IHQELSQALA ATPQWFQQYA AARAQKI