ID   E9PLK4_HUMAN            Unreviewed;       144 AA.
AC   E9PLK4;
DT   05-APR-2011, integrated into UniProtKB/TrEMBL.
DT   05-APR-2011, sequence version 1.
DT   02-SEP-2026, entry version 88.
DE   SubName: Full=AHNAK nucleoprotein {ECO:0000313|Ensembl:ENSP00000433286.1};
DE   Flags: Fragment;
GN   Name=AHNAK {ECO:0000313|Ensembl:ENSP00000433286.1};
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 {ECO:0000313|Ensembl:ENSP00000433286.1, ECO:0000313|Proteomes:UP000005640};
RN   [1] {ECO:0000313|Ensembl:ENSP00000433286.1, ECO:0000313|Proteomes:UP000005640}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=11237011; DOI=10.1038/35057062;
RG   International Human Genome Sequencing Consortium;
RA   Lander E.S., Linton L.M., Birren B., Nusbaum C., Zody M.C., Baldwin J.,
RA   Devon K., Dewar K., Doyle M., FitzHugh W., Funke R., Gage D., Harris K.,
RA   Heaford A., Howland J., Kann L., Lehoczky J., LeVine R., McEwan P.,
RA   McKernan K., Meldrim J., Mesirov J.P., Miranda C., Morris W., Naylor J.,
RA   Raymond C., Rosetti M., Santos R., Sheridan A., Sougnez C.,
RA   Stange-Thomann N., Stojanovic N., Subramanian A., Wyman D., Rogers J.,
RA   Sulston J., Ainscough R., Beck S., Bentley D., Burton J., Clee C.,
RA   Carter N., Coulson A., Deadman R., Deloukas P., Dunham A., Dunham I.,
RA   Durbin R., French L., Grafham D., Gregory S., Hubbard T., Humphray S.,
RA   Hunt A., Jones M., Lloyd C., McMurray A., Matthews L., Mercer S., Milne S.,
RA   Mullikin J.C., Mungall A., Plumb R., Ross M., Shownkeen R., Sims S.,
RA   Waterston R.H., Wilson R.K., Hillier L.W., McPherson J.D., Marra M.A.,
RA   Mardis E.R., Fulton L.A., Chinwalla A.T., Pepin K.H., Gish W.R.,
RA   Chissoe S.L., Wendl M.C., Delehaunty K.D., Miner T.L., Delehaunty A.,
RA   Kramer J.B., Cook L.L., Fulton R.S., Johnson D.L., Minx P.J., Clifton S.W.,
RA   Hawkins T., Branscomb E., Predki P., Richardson P., Wenning S., Slezak T.,
RA   Doggett N., Cheng J.F., Olsen A., Lucas S., Elkin C., Uberbacher E.,
RA   Frazier M., Gibbs R.A., Muzny D.M., Scherer S.E., Bouck J.B.,
RA   Sodergren E.J., Worley K.C., Rives C.M., Gorrell J.H., Metzker M.L.,
RA   Naylor S.L., Kucherlapati R.S., Nelson D.L., Weinstock G.M., Sakaki Y.,
RA   Fujiyama A., Hattori M., Yada T., Toyoda A., Itoh T., Kawagoe C.,
RA   Watanabe H., Totoki Y., Taylor T., Weissenbach J., Heilig R., Saurin W.,
RA   Artiguenave F., Brottier P., Bruls T., Pelletier E., Robert C., Wincker P.,
RA   Smith D.R., Doucette-Stamm L., Rubenfield M., Weinstock K., Lee H.M.,
RA   Dubois J., Rosenthal A., Platzer M., Nyakatura G., Taudien S., Rump A.,
RA   Yang H., Yu J., Wang J., Huang G., Gu J., Hood L., Rowen L., Madan A.,
RA   Qin S., Davis R.W., Federspiel N.A., Abola A.P., Proctor M.J., Myers R.M.,
RA   Schmutz J., Dickson M., Grimwood J., Cox D.R., Olson M.V., Kaul R.,
RA   Raymond C., Shimizu N., Kawasaki K., Minoshima S., Evans G.A.,
RA   Athanasiou M., Schultz R., Roe B.A., Chen F., Pan H., Ramser J.,
RA   Lehrach H., Reinhardt R., McCombie W.R., de la Bastide M., Dedhia N.,
RA   Blocker H., Hornischer K., Nordsiek G., Agarwala R., Aravind L.,
RA   Bailey J.A., Bateman A., Batzoglou S., Birney E., Bork P., Brown D.G.,
RA   Burge C.B., Cerutti L., Chen H.C., Church D., Clamp M., Copley R.R.,
RA   Doerks T., Eddy S.R., Eichler E.E., Furey T.S., Galagan J., Gilbert J.G.,
RA   Harmon C., Hayashizaki Y., Haussler D., Hermjakob H., Hokamp K., Jang W.,
RA   Johnson L.S., Jones T.A., Kasif S., Kaspryzk A., Kennedy S., Kent W.J.,
RA   Kitts P., Koonin E.V., Korf I., Kulp D., Lancet D., Lowe T.M.,
RA   McLysaght A., Mikkelsen T., Moran J.V., Mulder N., Pollara V.J.,
RA   Ponting C.P., Schuler G., Schultz J., Slater G., Smit A.F., Stupka E.,
RA   Szustakowski J., Thierry-Mieg D., Thierry-Mieg J., Wagner L., Wallis J.,
RA   Wheeler R., Williams A., Wolf Y.I., Wolfe K.H., Yang S.P., Yeh R.F.,
RA   Collins F., Guyer M.S., Peterson J., Felsenfeld A., Wetterstrand K.A.,
RA   Patrinos A., Morgan M.J., de Jong P., Catanese J.J., Osoegawa K.,
RA   Shizuya H., Choi S., Chen Y.J.;
RT   "Initial sequencing and analysis of the human genome.";
RL   Nature 409:860-921(2001).
RN   [2] {ECO:0000313|Ensembl:ENSP00000433286.1, ECO:0000313|Proteomes:UP000005640}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15496913; DOI=10.1038/nature03001;
RG   International Human Genome Sequencing Consortium;
RT   "Finishing the euchromatic sequence of the human genome.";
RL   Nature 431:931-945(2004).
RN   [3] {ECO:0007829|PubMed:17081983}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=17081983; DOI=10.1016/j.cell.2006.09.026;
RA   Olsen J.V., Blagoev B., Gnad F., Macek B., Kumar C., Mortensen P., Mann M.;
RT   "Global, in vivo, and site-specific phosphorylation dynamics in signaling
RT   networks.";
RL   Cell 127:635-648(2006).
RN   [4] {ECO:0007829|PubMed:16964243}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=16964243; DOI=10.1038/nbt1240;
RA   Beausoleil S.A., Villen J., Gerber S.A., Rush J., Gygi S.P.;
RT   "A probability-based approach for high-throughput protein phosphorylation
RT   analysis and site localization.";
RL   Nat. Biotechnol. 24:1285-1292(2006).
RN   [5] {ECO:0000313|Ensembl:ENSP00000433286.1, ECO:0000313|Proteomes:UP000005640}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16554811; DOI=10.1038/nature04632;
RA   Taylor T.D., Noguchi H., Totoki Y., Toyoda A., Kuroki Y., Dewar K.,
RA   Lloyd C., Itoh T., Takeda T., Kim D.W., She X., Barlow K.F., Bloom T.,
RA   Bruford E., Chang J.L., Cuomo C.A., Eichler E., FitzGerald M.G.,
RA   Jaffe D.B., LaButti K., Nicol R., Park H.S., Seaman C., Sougnez C.,
RA   Yang X., Zimmer A.R., Zody M.C., Birren B.W., Nusbaum C., Fujiyama A.,
RA   Hattori M., Rogers J., Lander E.S., Sakaki Y.;
RT   "Human chromosome 11 DNA sequence and analysis including novel gene
RT   identification.";
RL   Nature 440:497-500(2006).
RN   [6] {ECO:0007829|PubMed:18691976}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=18691976; DOI=10.1016/j.molcel.2008.07.007;
RA   Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R.,
RA   Greff Z., Keri G., Stemmann O., Mann M.;
RT   "Kinase-selective enrichment enables quantitative phosphoproteomics of the
RT   kinome across the cell cycle.";
RL   Mol. Cell 31:438-448(2008).
RN   [7] {ECO:0007829|PubMed:18669648}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
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   [8] {ECO:0007829|PubMed:20068231}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=20068231; DOI=10.1126/scisignal.2000475;
RA   Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L.,
RA   Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M.;
RT   "Quantitative phosphoproteomics reveals widespread full phosphorylation
RT   site occupancy during mitosis.";
RL   Sci. Signal. 3:RA3-RA3(2010).
RN   [9] {ECO:0007829|PubMed:21269460}
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., Burckstummer 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   [10] {ECO:0007829|PubMed:21406692}
RP   IDENTIFICATION BY 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   [11] {ECO:0007829|PubMed:22814378}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=22814378; DOI=10.1073/pnas.1210303109;
RA   Van Damme P., Lasa M., Polevoda B., Gazquez C., Elosegui-Artola A.,
RA   Kim D.S., De Juan-Pardo E., Demeyer K., Hole K., Larrea E., Timmerman E.,
RA   Prieto J., Arnesen T., Sherman F., Gevaert K., Aldabe R.;
RT   "N-terminal acetylome analyses and functional insights of the N-terminal
RT   acetyltransferase NatB.";
RL   Proc. Natl. Acad. Sci. U.S.A. 109:12449-12454(2012).
RN   [12] {ECO:0007829|PubMed:23186163}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
RX   PubMed=23186163;
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   [13] {ECO:0007829|PubMed:24275569}
RP   IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
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).
RN   [14] {ECO:0000313|Ensembl:ENSP00000433286.1}
RP   IDENTIFICATION.
RG   Ensembl;
RL   Submitted (JAN-2026) to UniProtKB.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|ARBA:ARBA00004123}.
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DR   EMBL; AP001363; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; AP003064; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; KC877424; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; KC877431; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   AlphaFoldDB; E9PLK4; -.
DR   SMR; E9PLK4; -.
DR   MassIVE; E9PLK4; -.
DR   ProteomicsDB; 21823; -.
DR   Antibodypedia; 14808; 223 antibodies from 29 providers.
DR   Ensembl; ENST00000530285.5; ENSP00000433286.1; ENSG00000124942.14.
DR   UCSC; uc058chv.1; human.
DR   HGNC; HGNC:347; AHNAK.
DR   OpenTargets; ENSG00000124942; -.
DR   VEuPathDB; HostDB:ENSG00000124942; -.
DR   GeneTree; ENSGT00940000154902; -.
DR   OMA; HENASDH; -.
DR   OrthoDB; 8058206at2759; -.
DR   ChiTaRS; AHNAK; human.
DR   Proteomes; UP000005640; Chromosome 11.
DR   Bgee; ENSG00000124942; Expressed in olfactory bulb and 210 other cell types or tissues.
DR   ExpressionAtlas; E9PLK4; baseline and differential.
DR   GO; GO:0005829; C:cytosol; IDA:HPA.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0005886; C:plasma membrane; IDA:HPA.
DR   CDD; cd00136; PDZ_canonical; 1.
DR   FunFam; 2.30.42.10:FF:000106; Neuroblast differentiation-associated protein AHNAK; 1.
DR   Gene3D; 2.30.42.10; -; 1.
DR   InterPro; IPR052082; Myelin_sheath_structural.
DR   InterPro; IPR001478; PDZ.
DR   InterPro; IPR036034; PDZ_sf.
DR   PANTHER; PTHR23348:SF41; NEUROBLAST DIFFERENTIATION-ASSOCIATED PROTEIN AHNAK; 1.
DR   PANTHER; PTHR23348; PERIAXIN/AHNAK; 1.
DR   Pfam; PF00595; PDZ; 1.
DR   SMART; SM00228; PDZ; 1.
DR   SUPFAM; SSF50156; PDZ domain-like; 1.
DR   PROSITE; PS50106; PDZ; 1.
PE   1: Evidence at protein level;
KW   Nucleus {ECO:0000256|ARBA:ARBA00023242};
KW   Proteomics identification {ECO:0007829|PeptideAtlas:E9PLK4,
KW   ECO:0007829|ProteomicsDB:E9PLK4};
KW   Reference proteome {ECO:0000313|Proteomes:UP000005640}.
FT   DOMAIN          9..56
FT                   /note="PDZ"
FT                   /evidence="ECO:0000259|PROSITE:PS50106"
FT   NON_TER         144
FT                   /evidence="ECO:0000313|Ensembl:ENSP00000433286.1"
SQ   SEQUENCE   144 AA;  15904 MW;  12CDB327CB120BDB CRC64;
     MEKEETTREL LLPNWQGSGS HGLTIAQRDD GVFVQEVTQN SPAARTGVVK EGDQIVGATI
     YFDNLQSGEV TQLLNTMGHH TVGLKLHRKG DRSPEPGQTW TREVFSSCSS EVVLSGDDEE
     YQRIYTTKIK PRLKSEDGVE GDLG
//