ID   PP13_TOBAC              Reviewed;         304 AA.
AC   O04858;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1997, sequence version 1.
DT   27-MAR-2024, entry version 101.
DE   RecName: Full=Serine/threonine-protein phosphatase PP1 isozyme 3;
DE            EC=3.1.3.16;
GN   Name=NPP3;
OS   Nicotiana tabacum (Common tobacco).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC   Nicotiana.
OX   NCBI_TaxID=4097;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Xanthi;
RX   PubMed=9484443; DOI=10.1023/a:1005943805988;
RA   Suh M., Cho H., Kim Y., Liu J., Lee H.;
RT   "Multiple genes encoding serine/threonine protein phosphatases and their
RT   differential expression in Nicotiana tabacum.";
RL   Plant Mol. Biol. 36:315-322(1998).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + O-phospho-L-seryl-[protein] = L-seryl-[protein] +
CC         phosphate; Xref=Rhea:RHEA:20629, Rhea:RHEA-COMP:9863, Rhea:RHEA-
CC         COMP:11604, ChEBI:CHEBI:15377, ChEBI:CHEBI:29999, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:83421; EC=3.1.3.16;
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + O-phospho-L-threonyl-[protein] = L-threonyl-[protein] +
CC         phosphate; Xref=Rhea:RHEA:47004, Rhea:RHEA-COMP:11060, Rhea:RHEA-
CC         COMP:11605, ChEBI:CHEBI:15377, ChEBI:CHEBI:30013, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:61977; EC=3.1.3.16;
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035; Evidence={ECO:0000250};
CC       Note=Binds 2 manganese ions per subunit. {ECO:0000250};
CC   -!- SIMILARITY: Belongs to the PPP phosphatase family. PP-1 subfamily.
CC       {ECO:0000305}.
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DR   EMBL; Z93770; CAB07805.1; -; mRNA.
DR   PIR; T03597; T03597.
DR   RefSeq; NP_001312637.1; NM_001325708.1.
DR   AlphaFoldDB; O04858; -.
DR   SMR; O04858; -.
DR   STRING; 4097.O04858; -.
DR   PaxDb; 4097-O04858; -.
DR   GeneID; 107801901; -.
DR   KEGG; nta:107801901; -.
DR   OrthoDB; 5484004at2759; -.
DR   Proteomes; UP000084051; Unplaced.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005634; C:nucleus; IBA:GO_Central.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0017018; F:myosin phosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0004722; F:protein serine/threonine phosphatase activity; IBA:GO_Central.
DR   CDD; cd07414; MPP_PP1_PPKL; 1.
DR   Gene3D; 3.60.21.10; -; 1.
DR   InterPro; IPR004843; Calcineurin-like_PHP_ApaH.
DR   InterPro; IPR029052; Metallo-depent_PP-like.
DR   InterPro; IPR006186; Ser/Thr-sp_prot-phosphatase.
DR   InterPro; IPR031675; STPPase_N.
DR   PANTHER; PTHR11668; SERINE/THREONINE PROTEIN PHOSPHATASE; 1.
DR   PANTHER; PTHR11668:SF490; SERINE_THREONINE-PROTEIN PHOSPHATASE PP1 ISOZYME 4; 1.
DR   Pfam; PF00149; Metallophos; 1.
DR   Pfam; PF16891; STPPase_N; 1.
DR   PRINTS; PR00114; STPHPHTASE.
DR   SMART; SM00156; PP2Ac; 1.
DR   SUPFAM; SSF56300; Metallo-dependent phosphatases; 1.
DR   PROSITE; PS00125; SER_THR_PHOSPHATASE; 1.
PE   2: Evidence at transcript level;
KW   Hydrolase; Manganese; Metal-binding; Protein phosphatase;
KW   Reference proteome.
FT   CHAIN           1..304
FT                   /note="Serine/threonine-protein phosphatase PP1 isozyme 3"
FT                   /id="PRO_0000058813"
FT   ACT_SITE        122
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250"
FT   BINDING         61
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         63
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         89
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         89
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         121
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         170
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         245
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   304 AA;  34441 MW;  D8A3D5D94857A452 CRC64;
     MDTAAVDRII EKLIEVRSSN PGKLVQLSES EIKQLCVASR DIFLKQPNLL ESEAPIKTRG
     DIHGQYSDLL RLFEYGGFPP EANYLFLGDY VDRGRQSLET ICLLLAYKIK YPENFFLLRG
     NHECASINRI YGFYDECKRR FNVKLWKSFT DCFNCLPVAA LIDEKILCMH GGLSPDLSSL
     DQIRNLPRPT AIPDTGLLCD LQRSDPGKDV KGWGMNDRGV SYTFGPDKVS EFLSKHDLDL
     VCRAHQVVED GYEFFAESEL VTIFSAPNYC GEFDNAGAMM SVDENLLCSF QILKPAEKKN
     KFVM
//