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P4R3A_HUMAN
ID   P4R3A_HUMAN             Reviewed;         833 AA.
AC   Q6IN85; Q69YK6; Q86U23; Q86YI7; Q8IVG1; Q9H3F1; Q9H7U8; Q9NV01; Q9NWP1;
DT   31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 159.
DE   RecName: Full=Serine/threonine-protein phosphatase 4 regulatory subunit 3A {ECO:0000312|HGNC:HGNC:20219};
DE   AltName: Full=SMEK homolog 1;
GN   Name=PPP4R3A {ECO:0000312|HGNC:HGNC:20219};
GN   Synonyms=KIAA2010, PP4R3A, SMEK1; ORFNames=MSTP033;
OS   Homo sapiens (Human).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Homo.
OX   NCBI_TaxID=9606;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2).
RC   TISSUE=Brain;
RA   Nagase T., Kikuno R., Ohara O.;
RT   "The nucleotide sequence of a long cDNA clone isolated from human.";
RL   Submitted (NOV-2002) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 5), NUCLEOTIDE SEQUENCE
RP   [LARGE SCALE MRNA] OF 98-833 (ISOFORM 2), AND NUCLEOTIDE SEQUENCE [LARGE
RP   SCALE MRNA] OF 165-422 (ISOFORM 1).
RC   TISSUE=Ileal mucosa, and Placenta;
RX   PubMed=14702039; DOI=10.1038/ng1285;
RA   Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R.,
RA   Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H.,
RA   Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.,
RA   Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K.,
RA   Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H.,
RA   Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M.,
RA   Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K.,
RA   Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T.,
RA   Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M.,
RA   Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S.,
RA   Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H.,
RA   Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K.,
RA   Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N.,
RA   Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S.,
RA   Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O.,
RA   Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H.,
RA   Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B.,
RA   Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y.,
RA   Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K.,
RA   Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T.,
RA   Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T.,
RA   Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y.,
RA   Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H.,
RA   Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y.,
RA   Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H.,
RA   Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O.,
RA   Isogai T., Sugano S.;
RT   "Complete sequencing and characterization of 21,243 full-length human
RT   cDNAs.";
RL   Nat. Genet. 36:40-45(2004).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=12508121; DOI=10.1038/nature01348;
RA   Heilig R., Eckenberg R., Petit J.-L., Fonknechten N., Da Silva C.,
RA   Cattolico L., Levy M., Barbe V., De Berardinis V., Ureta-Vidal A.,
RA   Pelletier E., Vico V., Anthouard V., Rowen L., Madan A., Qin S., Sun H.,
RA   Du H., Pepin K., Artiguenave F., Robert C., Cruaud C., Bruels T.,
RA   Jaillon O., Friedlander L., Samson G., Brottier P., Cure S., Segurens B.,
RA   Aniere F., Samain S., Crespeau H., Abbasi N., Aiach N., Boscus D.,
RA   Dickhoff R., Dors M., Dubois I., Friedman C., Gouyvenoux M., James R.,
RA   Madan A., Mairey-Estrada B., Mangenot S., Martins N., Menard M., Oztas S.,
RA   Ratcliffe A., Shaffer T., Trask B., Vacherie B., Bellemere C., Belser C.,
RA   Besnard-Gonnet M., Bartol-Mavel D., Boutard M., Briez-Silla S.,
RA   Combette S., Dufosse-Laurent V., Ferron C., Lechaplais C., Louesse C.,
RA   Muselet D., Magdelenat G., Pateau E., Petit E., Sirvain-Trukniewicz P.,
RA   Trybou A., Vega-Czarny N., Bataille E., Bluet E., Bordelais I., Dubois M.,
RA   Dumont C., Guerin T., Haffray S., Hammadi R., Muanga J., Pellouin V.,
RA   Robert D., Wunderle E., Gauguet G., Roy A., Sainte-Marthe L., Verdier J.,
RA   Verdier-Discala C., Hillier L.W., Fulton L., McPherson J., Matsuda F.,
RA   Wilson R., Scarpelli C., Gyapay G., Wincker P., Saurin W., Quetier F.,
RA   Waterston R., Hood L., Weissenbach J.;
RT   "The DNA sequence and analysis of human chromosome 14.";
RL   Nature 421:601-607(2003).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 4).
RC   TISSUE=Eye;
RX   PubMed=15489334; DOI=10.1101/gr.2596504;
RG   The MGC Project Team;
RT   "The status, quality, and expansion of the NIH full-length cDNA project:
RT   the Mammalian Gene Collection (MGC).";
RL   Genome Res. 14:2121-2127(2004).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 238-833.
RC   TISSUE=Neuroblastoma;
RA   Li W.B., Gruber C., Jessee J., Polayes D.;
RT   "Full-length cDNA libraries and normalization.";
RL   Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases.
RN   [6]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 667-833.
RC   TISSUE=Melanoma;
RX   PubMed=17974005; DOI=10.1186/1471-2164-8-399;
RA   Bechtel S., Rosenfelder H., Duda A., Schmidt C.P., Ernst U.,
RA   Wellenreuther R., Mehrle A., Schuster C., Bahr A., Bloecker H., Heubner D.,
RA   Hoerlein A., Michel G., Wedler H., Koehrer K., Ottenwaelder B., Poustka A.,
RA   Wiemann S., Schupp I.;
RT   "The full-ORF clone resource of the German cDNA consortium.";
RL   BMC Genomics 8:399-399(2007).
RN   [7]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 808-833.
RC   TISSUE=Aorta;
RA   Liu B., Liu Y.Q., Wang X.Y., Zhao B., Sheng H., Zhao X.W., Liu S., Xu Y.Y.,
RA   Ye J., Song L., Gao Y., Zhang C.L., Zhang J., Wei Y.J., Cao H.Q., Zhao Y.,
RA   Liu L.S., Ding J.F., Gao R.L., Wu Q.Y., Qiang B.Q., Yuan J.G., Liew C.C.,
RA   Zhao M.S., Hui R.T.;
RL   Submitted (DEC-1998) to the EMBL/GenBank/DDBJ databases.
RN   [8]
RP   IDENTIFICATION IN THE PPP4C-PPP4R2-PPP4R3A COMPLEX, INTERACTION WITH PPP4C,
RP   AND IDENTIFICATION BY MASS SPECTROMETRY.
RX   PubMed=16085932; DOI=10.1074/mcp.m500231-mcp200;
RA   Gingras A.-C., Caballero M., Zarske M., Sanchez A., Hazbun T.R., Fields S.,
RA   Sonenberg N., Hafen E., Raught B., Aebersold R.;
RT   "A novel, evolutionarily conserved protein phosphatase complex involved in
RT   cisplatin sensitivity.";
RL   Mol. Cell. Proteomics 4:1725-1740(2005).
RN   [9]
RP   SUBCELLULAR LOCATION.
RX   PubMed=18487071; DOI=10.1016/j.biocel.2008.03.021;
RA   Martin-Granados C., Philp A., Oxenham S.K., Prescott A.R., Cohen P.T.W.;
RT   "Depletion of protein phosphatase 4 in human cells reveals essential roles
RT   in centrosome maturation, cell migration and the regulation of Rho
RT   GTPases.";
RL   Int. J. Biochem. Cell Biol. 40:2315-2332(2008).
RN   [10]
RP   IDENTIFICATION IN THE PPP4C-PPP4R2-PPP4R3A COMPLEX, AND FUNCTION OF THE
RP   PPP4C-PPP4R2-PPP4R3A COMPLEX.
RX   PubMed=18614045; DOI=10.1016/j.molcel.2008.05.016;
RA   Chowdhury D., Xu X., Zhong X., Ahmed F., Zhong J., Liao J., Dykxhoorn D.M.,
RA   Weinstock D.M., Pfeifer G.P., Lieberman J.;
RT   "A PP4-phosphatase complex dephosphorylates gamma-H2AX generated during DNA
RT   replication.";
RL   Mol. Cell 31:33-46(2008).
RN   [11]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-117 AND SER-771, AND
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Cervix carcinoma;
RX   PubMed=18669648; DOI=10.1073/pnas.0805139105;
RA   Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E.,
RA   Elledge S.J., Gygi S.P.;
RT   "A quantitative atlas of mitotic phosphorylation.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008).
RN   [12]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=19413330; DOI=10.1021/ac9004309;
RA   Gauci S., Helbig A.O., Slijper M., Krijgsveld J., Heck A.J., Mohammed S.;
RT   "Lys-N and trypsin cover complementary parts of the phosphoproteome in a
RT   refined SCX-based approach.";
RL   Anal. Chem. 81:4493-4501(2009).
RN   [13]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-771; SER-774 AND SER-777, AND
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Leukemic T-cell;
RX   PubMed=19690332; DOI=10.1126/scisignal.2000007;
RA   Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K.,
RA   Rodionov V., Han D.K.;
RT   "Quantitative phosphoproteomic analysis of T cell receptor signaling
RT   reveals system-wide modulation of protein-protein interactions.";
RL   Sci. Signal. 2:RA46-RA46(2009).
RN   [14]
RP   ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-655, AND IDENTIFICATION BY MASS
RP   SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=19608861; DOI=10.1126/science.1175371;
RA   Choudhary C., Kumar C., Gnad F., Nielsen M.L., Rehman M., Walther T.C.,
RA   Olsen J.V., Mann M.;
RT   "Lysine acetylation targets protein complexes and co-regulates major
RT   cellular functions.";
RL   Science 325:834-840(2009).
RN   [15]
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=21269460; DOI=10.1186/1752-0509-5-17;
RA   Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T.,
RA   Bennett K.L., Superti-Furga G., Colinge J.;
RT   "Initial characterization of the human central proteome.";
RL   BMC Syst. Biol. 5:17-17(2011).
RN   [16]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-741, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=21406692; DOI=10.1126/scisignal.2001570;
RA   Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T.,
RA   Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B.;
RT   "System-wide temporal characterization of the proteome and phosphoproteome
RT   of human embryonic stem cell differentiation.";
RL   Sci. Signal. 4:RS3-RS3(2011).
RN   [17]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-741, AND IDENTIFICATION BY
RP   MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Cervix carcinoma, and Erythroleukemia;
RX   PubMed=23186163; DOI=10.1021/pr300630k;
RA   Zhou H., Di Palma S., Preisinger C., Peng M., Polat A.N., Heck A.J.,
RA   Mohammed S.;
RT   "Toward a comprehensive characterization of a human cancer cell
RT   phosphoproteome.";
RL   J. Proteome Res. 12:260-271(2013).
RN   [18]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-117; SER-127 AND SER-698, AND
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Liver;
RX   PubMed=24275569; DOI=10.1016/j.jprot.2013.11.014;
RA   Bian Y., Song C., Cheng K., Dong M., Wang F., Huang J., Sun D., Wang L.,
RA   Ye M., Zou H.;
RT   "An enzyme assisted RP-RPLC approach for in-depth analysis of human liver
RT   phosphoproteome.";
RL   J. Proteomics 96:253-262(2014).
CC   -!- FUNCTION: Regulatory subunit of serine/threonine-protein phosphatase 4.
CC       May regulate the activity of PPP4C at centrosomal microtubule
CC       organizing centers. The PPP4C-PPP4R2-PPP4R3A PP4 complex specifically
CC       dephosphorylates H2AX phosphorylated on 'Ser-140' (gamma-H2AX)
CC       generated during DNA replication and required for DNA DSB repair.
CC       {ECO:0000269|PubMed:18614045}.
CC   -!- SUBUNIT: Serine/threonine-protein phosphatase 4 (PP4) occurs in
CC       different assemblies of the catalytic and one or more regulatory
CC       subunits. Component of the PP4 complex PPP4C-PPP4R2-PPP4R3A. Interacts
CC       with PPP4C; the interaction requires PPP4R2.
CC       {ECO:0000269|PubMed:16085932, ECO:0000269|PubMed:18614045}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000269|PubMed:18487071}.
CC       Cytoplasm, cytoskeleton, microtubule organizing center, centrosome
CC       {ECO:0000269|PubMed:18487071}. Nucleus {ECO:0000269|PubMed:18487071}.
CC       Note=In interphase localized in the cytoplasm and in the nucleus (with
CC       higher levels). During metaphase located in pericentriolar regions.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative splicing; Named isoforms=4;
CC       Name=1;
CC         IsoId=Q6IN85-1; Sequence=Displayed;
CC       Name=2;
CC         IsoId=Q6IN85-2; Sequence=VSP_021253;
CC       Name=4;
CC         IsoId=Q6IN85-4; Sequence=VSP_021252;
CC       Name=5;
CC         IsoId=Q6IN85-5; Sequence=VSP_021253, VSP_021256;
CC   -!- SIMILARITY: Belongs to the SMEK family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAG39284.1; Type=Erroneous translation; Note=Wrong choice of frame.; Evidence={ECO:0000305};
CC       Sequence=BAA91960.1; Type=Erroneous initiation; Note=Truncated N-terminus.; Evidence={ECO:0000305};
CC       Sequence=BAA91960.1; Type=Miscellaneous discrepancy; Note=Probable intron retention.; Evidence={ECO:0000305};
CC       Sequence=BAB14877.1; Type=Erroneous initiation; Note=Truncated N-terminus.; Evidence={ECO:0000305};
CC       Sequence=BAC23106.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; AB095930; BAC23106.1; ALT_INIT; mRNA.
DR   EMBL; AK000714; BAA91338.1; -; mRNA.
DR   EMBL; AK001885; BAA91960.1; ALT_SEQ; mRNA.
DR   EMBL; AK024297; BAB14877.1; ALT_INIT; mRNA.
DR   EMBL; AL133153; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; BC038932; AAH38932.1; -; mRNA.
DR   EMBL; BC072409; AAH72409.1; -; mRNA.
DR   EMBL; BX248247; CAD62575.1; -; mRNA.
DR   EMBL; AL832921; CAH10634.1; -; mRNA.
DR   EMBL; AF113213; AAG39284.1; ALT_SEQ; mRNA.
DR   CCDS; CCDS61532.1; -. [Q6IN85-4]
DR   CCDS; CCDS9895.1; -. [Q6IN85-2]
DR   RefSeq; NP_001271209.1; NM_001284280.1. [Q6IN85-2]
DR   RefSeq; NP_001271210.1; NM_001284281.1. [Q6IN85-4]
DR   RefSeq; XP_005267899.1; XM_005267842.2. [Q6IN85-1]
DR   PDB; 6R8I; X-ray; 1.52 A; A=1-117.
DR   PDBsum; 6R8I; -.
DR   AlphaFoldDB; Q6IN85; -.
DR   SMR; Q6IN85; -.
DR   BioGRID; 120803; 122.
DR   ComplexPortal; CPX-1843; PPP4C-PPP4R2-PPP4R3A protein phosphatase 4 complex.
DR   IntAct; Q6IN85; 52.
DR   MINT; Q6IN85; -.
DR   STRING; 9606.ENSP00000450864; -.
DR   GlyGen; Q6IN85; 1 site, 1 O-linked glycan (1 site).
DR   iPTMnet; Q6IN85; -.
DR   MetOSite; Q6IN85; -.
DR   PhosphoSitePlus; Q6IN85; -.
DR   BioMuta; PPP4R3A; -.
DR   DMDM; 74736507; -.
DR   EPD; Q6IN85; -.
DR   jPOST; Q6IN85; -.
DR   MassIVE; Q6IN85; -.
DR   MaxQB; Q6IN85; -.
DR   PaxDb; Q6IN85; -.
DR   PeptideAtlas; Q6IN85; -.
DR   PRIDE; Q6IN85; -.
DR   ProteomicsDB; 66444; -. [Q6IN85-1]
DR   ProteomicsDB; 66445; -. [Q6IN85-2]
DR   ProteomicsDB; 66446; -. [Q6IN85-4]
DR   ProteomicsDB; 66447; -. [Q6IN85-5]
DR   Antibodypedia; 119; 120 antibodies from 23 providers.
DR   DNASU; 55671; -.
DR   Ensembl; ENST00000554684.5; ENSP00000450864.1; ENSG00000100796.18. [Q6IN85-2]
DR   Ensembl; ENST00000554943.6; ENSP00000450883.1; ENSG00000100796.18. [Q6IN85-1]
DR   Ensembl; ENST00000555462.5; ENSP00000450891.1; ENSG00000100796.18. [Q6IN85-4]
DR   GeneID; 55671; -.
DR   KEGG; hsa:55671; -.
DR   MANE-Select; ENST00000554943.6; ENSP00000450883.1; NM_001366432.2; NP_001353361.1.
DR   UCSC; uc001xzn.5; human. [Q6IN85-1]
DR   CTD; 55671; -.
DR   DisGeNET; 55671; -.
DR   GeneCards; PPP4R3A; -.
DR   HGNC; HGNC:20219; PPP4R3A.
DR   HPA; ENSG00000100796; Low tissue specificity.
DR   MIM; 610351; gene.
DR   neXtProt; NX_Q6IN85; -.
DR   OpenTargets; ENSG00000100796; -.
DR   PharmGKB; PA162403940; -.
DR   VEuPathDB; HostDB:ENSG00000100796; -.
DR   eggNOG; KOG2175; Eukaryota.
DR   GeneTree; ENSGT00390000018199; -.
DR   InParanoid; Q6IN85; -.
DR   OMA; MMRGYML; -.
DR   OrthoDB; 388216at2759; -.
DR   PhylomeDB; Q6IN85; -.
DR   TreeFam; TF315190; -.
DR   PathwayCommons; Q6IN85; -.
DR   SignaLink; Q6IN85; -.
DR   SIGNOR; Q6IN85; -.
DR   BioGRID-ORCS; 55671; 72 hits in 1076 CRISPR screens.
DR   ChiTaRS; PPP4R3A; human.
DR   GenomeRNAi; 55671; -.
DR   Pharos; Q6IN85; Tbio.
DR   PRO; PR:Q6IN85; -.
DR   Proteomes; UP000005640; Chromosome 14.
DR   RNAct; Q6IN85; protein.
DR   Bgee; ENSG00000100796; Expressed in ventricular zone and 194 other tissues.
DR   ExpressionAtlas; Q6IN85; baseline and differential.
DR   Genevisible; Q6IN85; HS.
DR   GO; GO:0005829; C:cytosol; IDA:HPA.
DR   GO; GO:0005815; C:microtubule organizing center; IEA:UniProtKB-SubCell.
DR   GO; GO:0016607; C:nuclear speck; IDA:HPA.
DR   GO; GO:0005654; C:nucleoplasm; IDA:HPA.
DR   GO; GO:0030289; C:protein phosphatase 4 complex; IPI:ComplexPortal.
DR   GO; GO:0072542; F:protein phosphatase activator activity; IBA:GO_Central.
DR   GO; GO:0006974; P:cellular response to DNA damage stimulus; IBA:GO_Central.
DR   GO; GO:0006470; P:protein dephosphorylation; IBA:GO_Central.
DR   Gene3D; 2.30.29.30; -; 1.
DR   InterPro; IPR016024; ARM-type_fold.
DR   InterPro; IPR006887; DUF625.
DR   InterPro; IPR011993; PH-like_dom_sf.
DR   Pfam; PF04802; SMK-1; 1.
DR   SUPFAM; SSF48371; SSF48371; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Acetylation; Alternative splicing; Cytoplasm; Cytoskeleton;
KW   Nucleus; Phosphoprotein; Reference proteome.
FT   CHAIN           1..833
FT                   /note="Serine/threonine-protein phosphatase 4 regulatory
FT                   subunit 3A"
FT                   /id="PRO_0000254598"
FT   DOMAIN          1..100
FT                   /note="WH1"
FT   REGION          683..712
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          733..833
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        695..712
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        734..770
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        780..796
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        805..820
FT                   /note="Acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         117
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:24275569"
FT   MOD_RES         127
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:24275569"
FT   MOD_RES         655
FT                   /note="N6-acetyllysine"
FT                   /evidence="ECO:0007744|PubMed:19608861"
FT   MOD_RES         698
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:24275569"
FT   MOD_RES         741
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:21406692,
FT                   ECO:0007744|PubMed:23186163"
FT   MOD_RES         768
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q6P2K6"
FT   MOD_RES         771
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:19690332"
FT   MOD_RES         774
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:19690332"
FT   MOD_RES         777
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:19690332"
FT   MOD_RES         780
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q6P2K6"
FT   VAR_SEQ         67..305
FT                   /note="Missing (in isoform 4)"
FT                   /evidence="ECO:0000303|PubMed:15489334"
FT                   /id="VSP_021252"
FT   VAR_SEQ         410..422
FT                   /note="Missing (in isoform 2 and isoform 5)"
FT                   /evidence="ECO:0000303|PubMed:14702039, ECO:0000303|Ref.1"
FT                   /id="VSP_021253"
FT   VAR_SEQ         554..833
FT                   /note="Missing (in isoform 5)"
FT                   /evidence="ECO:0000303|PubMed:14702039"
FT                   /id="VSP_021256"
FT   STRAND          7..13
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          17..32
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   TURN            33..36
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          37..44
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   TURN            45..47
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          50..55
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          63..66
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          69..75
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          78..85
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   HELIX           87..101
FT                   /evidence="ECO:0007829|PDB:6R8I"
FT   STRAND          108..110
FT                   /evidence="ECO:0007829|PDB:6R8I"
SQ   SEQUENCE   833 AA;  95368 MW;  EDDB4E1F47197A94 CRC64;
     MTDTRRRVKV YTLNEDRQWD DRGTGHVSSG YVERLKGMSL LVRAESDGSL LLESKINPNT
     AYQKQQDTLI VWSEAENYDL ALSFQEKAGC DEIWEKICQV QGKDPSVDIT QDLVDESEEE
     RFDDMSSPGL ELPSCELSRL EEIAELVASS LPSPLRREKL ALALENEGYI KKLLELFHVC
     EDLENIEGLH HLYEIIKGIF LLNRTALFEV MFSEECIMDV IGCLEYDPAL SQPRKHREFL
     TKTAKFKEVI PISDPELKQK IHQTYRVQYI QDMVLPTPSV FEENMLSTLH SFIFFNKVEI
     VGMLQEDEKF LTDLFAQLTD EATDEEKRQE LVNFLKEFCA FSQTLQPQNR DAFFKTLSNM
     GILPALEVIL GMDDTQVRSA ATDIFSYLVE YNPSMVREFV MQEAQQNDDV SKKLTEQKIT
     SKDILLINLI IEHMICDTDP ELGGAVQLMG LLRTLVDPEN MLATANKTEK TEFLGFFYKH
     CMHVLTAPLL ANTTEDKPSK DDFQTAQLLA LVLELLTFCV EHHTYHIKNY IINKDILRRV
     LVLMASKHAF LALCALRFKR KIIGLKDEFY NRYIMKSFLF EPVVKAFLNN GSRYNLMNSA
     IIEMFEFIRV EDIKSLTAHV IENYWKALED VDYVQTFKGL KLRFEQQRER QDNPKLDSMR
     SILRNHRYRR DARTLEDEEE MWFNTDEDDM EDGEAVVSPS DKTKNDDDIM DPISKFMERK
     KLKESEEKEV LLKTNLSGRQ SPSFKLSLSS GTKTNLTSQS STTNLPGSPG SPGSPGSPGS
     PGSVPKNTSQ TAAITTKGGL VGLVDYPDDD EDDDEDEDKE DTLPLSKKAK FDS
 
 
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