PP2A1_SCHPO
ID PP2A1_SCHPO Reviewed; 309 AA.
AC P23635;
DT 01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1991, sequence version 1.
DT 03-AUG-2022, entry version 157.
DE RecName: Full=Minor serine/threonine-protein phosphatase PP2A-1 catalytic subunit;
DE EC=3.1.3.16;
GN Name=ppa1; ORFNames=SPAC823.15;
OS Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Taphrinomycotina;
OC Schizosaccharomycetes; Schizosaccharomycetales; Schizosaccharomycetaceae;
OC Schizosaccharomyces.
OX NCBI_TaxID=284812;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=972 / HM123;
RX PubMed=2170029; DOI=10.1016/0092-8674(90)90173-c;
RA Kinoshita N., Ohkura H., Yanagida M.;
RT "Distinct, essential roles of type 1 and 2A protein phosphatases in the
RT control of the fission yeast cell division cycle.";
RL Cell 63:405-415(1990).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=972 / ATCC 24843;
RX PubMed=11859360; DOI=10.1038/nature724;
RA Wood V., Gwilliam R., Rajandream M.A., Lyne M.H., Lyne R., Stewart A.,
RA Sgouros J.G., Peat N., Hayles J., Baker S.G., Basham D., Bowman S.,
RA Brooks K., Brown D., Brown S., Chillingworth T., Churcher C.M., Collins M.,
RA Connor R., Cronin A., Davis P., Feltwell T., Fraser A., Gentles S.,
RA Goble A., Hamlin N., Harris D.E., Hidalgo J., Hodgson G., Holroyd S.,
RA Hornsby T., Howarth S., Huckle E.J., Hunt S., Jagels K., James K.D.,
RA Jones L., Jones M., Leather S., McDonald S., McLean J., Mooney P.,
RA Moule S., Mungall K.L., Murphy L.D., Niblett D., Odell C., Oliver K.,
RA O'Neil S., Pearson D., Quail M.A., Rabbinowitsch E., Rutherford K.M.,
RA Rutter S., Saunders D., Seeger K., Sharp S., Skelton J., Simmonds M.N.,
RA Squares R., Squares S., Stevens K., Taylor K., Taylor R.G., Tivey A.,
RA Walsh S.V., Warren T., Whitehead S., Woodward J.R., Volckaert G., Aert R.,
RA Robben J., Grymonprez B., Weltjens I., Vanstreels E., Rieger M.,
RA Schaefer M., Mueller-Auer S., Gabel C., Fuchs M., Duesterhoeft A.,
RA Fritzc C., Holzer E., Moestl D., Hilbert H., Borzym K., Langer I., Beck A.,
RA Lehrach H., Reinhardt R., Pohl T.M., Eger P., Zimmermann W., Wedler H.,
RA Wambutt R., Purnelle B., Goffeau A., Cadieu E., Dreano S., Gloux S.,
RA Lelaure V., Mottier S., Galibert F., Aves S.J., Xiang Z., Hunt C.,
RA Moore K., Hurst S.M., Lucas M., Rochet M., Gaillardin C., Tallada V.A.,
RA Garzon A., Thode G., Daga R.R., Cruzado L., Jimenez J., Sanchez M.,
RA del Rey F., Benito J., Dominguez A., Revuelta J.L., Moreno S.,
RA Armstrong J., Forsburg S.L., Cerutti L., Lowe T., McCombie W.R.,
RA Paulsen I., Potashkin J., Shpakovski G.V., Ussery D., Barrell B.G.,
RA Nurse P.;
RT "The genome sequence of Schizosaccharomyces pombe.";
RL Nature 415:871-880(2002).
CC -!- FUNCTION: Essential role in cell cycle control. PP2A may be involved in
CC controlling the entry into mitosis, possibly acting as an inhibitor.
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-2A subfamily.
CC {ECO:0000305}.
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DR EMBL; M58518; AAA63578.1; -; Genomic_DNA.
DR EMBL; CU329670; CAB90160.1; -; Genomic_DNA.
DR PIR; A36076; A36076.
DR RefSeq; NP_593842.1; NM_001019271.2.
DR AlphaFoldDB; P23635; -.
DR SMR; P23635; -.
DR BioGRID; 278531; 15.
DR DIP; DIP-61476N; -.
DR IntAct; P23635; 1.
DR STRING; 4896.SPAC823.15.1; -.
DR MaxQB; P23635; -.
DR PaxDb; P23635; -.
DR EnsemblFungi; SPAC823.15.1; SPAC823.15.1:pep; SPAC823.15.
DR PomBase; SPAC823.15; ppa1.
DR VEuPathDB; FungiDB:SPAC823.15; -.
DR eggNOG; KOG0371; Eukaryota.
DR HOGENOM; CLU_004962_8_1_1; -.
DR InParanoid; P23635; -.
DR OMA; DHINYAF; -.
DR PhylomeDB; P23635; -.
DR PRO; PR:P23635; -.
DR Proteomes; UP000002485; Chromosome I.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0005634; C:nucleus; HDA:PomBase.
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:0004721; F:phosphoprotein phosphatase activity; IMP:PomBase.
DR GO; GO:0004722; F:protein serine/threonine phosphatase activity; IBA:GO_Central.
DR GO; GO:0051301; P:cell division; IEA:UniProtKB-KW.
DR GO; GO:0000278; P:mitotic cell cycle; IBA:GO_Central.
DR GO; GO:2000765; P:regulation of cytoplasmic translation; ISO:PomBase.
DR GO; GO:0023052; P:signaling; NAS:PomBase.
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 Pfam; PF00149; Metallophos; 1.
DR PRINTS; PR00114; STPHPHTASE.
DR SMART; SM00156; PP2Ac; 1.
DR SUPFAM; SSF56300; SSF56300; 1.
DR PROSITE; PS00125; SER_THR_PHOSPHATASE; 1.
PE 3: Inferred from homology;
KW Cell cycle; Cell division; Hydrolase; Manganese; Metal-binding;
KW Methylation; Mitosis; Protein phosphatase; Reference proteome.
FT CHAIN 1..309
FT /note="Minor serine/threonine-protein phosphatase PP2A-1
FT catalytic subunit"
FT /id="PRO_0000058871"
FT ACT_SITE 118
FT /note="Proton donor"
FT /evidence="ECO:0000250"
FT BINDING 57
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 59
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 85
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 85
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 117
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 167
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 241
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT MOD_RES 309
FT /note="Leucine methyl ester"
FT /evidence="ECO:0000250"
SQ SEQUENCE 309 AA; 35291 MW; 0F47604E5F740B0C CRC64;
MSVSGKIGEV DRWIEQLSRC EPLSEEDVIQ MCDLAKEVLS VESNVQSVRC PVTVCGDIHG
QFHDLMELFN IGGPSPDTNY LFMGDYVDRG YHSVETVSLL IAFKIRYPQR ITILRGNHES
RQITQVYGFY DECLRKYGNA NVWQYFTDLF DYLPLTALIE DRIFCLHGGL SPSIDTLDHV
RILDRVQEVP HEGPICDLLW SDPDDRPGWG ISPRGAGYTF GPDIAEAFNH NNGLDLIARA
HQLVMEGYNW TTNHNVVTIF SAPNYCYRCG NQAAIMGIDD HINYAFIQYD TAPRKEELHV
TRRTPDYFL