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SMTN_HUMAN
ID   SMTN_HUMAN              Reviewed;         917 AA.
AC   P53814; O00569; O95769; O95937; Q8N4H8; Q8WWW1; Q8WWW2; Q9P1S8; Q9UIT1;
AC   Q9UIT2;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   28-JUN-2011, sequence version 7.
DT   03-AUG-2022, entry version 191.
DE   RecName: Full=Smoothelin;
GN   Name=SMTN; Synonyms=SMSMO;
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 [MRNA] (ISOFORM A).
RC   TISSUE=Colon smooth muscle;
RX   PubMed=8707825; DOI=10.1083/jcb.134.2.401;
RA   van der Loop F.T.L., Schaart G., Timmer E.D.J., Ramaekers F.C.S.,
RA   van Eys G.J.J.M.;
RT   "Smoothelin, a novel cytoskeletal protein specific for smooth muscle
RT   cells.";
RL   J. Cell Biol. 134:401-411(1996).
RN   [2]
RP   SEQUENCE REVISION TO N-TERMINUS.
RA   Rensen S.;
RL   Submitted (JUL-2001) to the EMBL/GenBank/DDBJ databases.
RN   [3]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM B), AND VARIANTS ASP-455 AND PRO-547.
RC   TISSUE=Fetus;
RX   PubMed=10023782; DOI=10.1007/s001090050352;
RA   Kraemer J., Aguirre-Arteta A.M., Thiel C., Gross M.C., Dietz R.,
RA   Cardoso M.C., Leonhardt H.;
RT   "A novel isoform of the smooth muscle cell differentiation marker
RT   smoothelin.";
RL   J. Mol. Med. 77:294-298(1999).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS B AND B2), AND VARIANT ASP-455.
RX   PubMed=11316948; DOI=10.1159/000051039;
RA   Kraemer J., Quensel C., Meding J., Cardoso M.C., Leonhardt H.;
RT   "Identification and characterization of novel smoothelin isoforms in
RT   vascular smooth muscle.";
RL   J. Vasc. Res. 38:120-132(2001).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA] (ISOFORMS A; B; B2 AND B3),
RP   ALTERNATIVE PROMOTER USAGE, AND VARIANT ASP-455.
RC   TISSUE=Vascular smooth muscle;
RX   PubMed=12176134; DOI=10.1016/s0008-6363(02)00491-1;
RA   Rensen S.S., Thijssen V.L., De Vries C.J., Doevendans P.A.,
RA   Detera-Wadleigh S.D., Van Eys G.J.J.M.;
RT   "Expression of the smoothelin gene is mediated by alternative promoters.";
RL   Cardiovasc. Res. 55:850-863(2002).
RN   [6]
RP   NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM B2), AND VARIANTS ASP-455 AND PRO-547.
RA   Kraemer J., Arteta-Aguirre A.M., Cardoso M.C., Leonhardt H.;
RL   Submitted (MAY-2000) to the EMBL/GenBank/DDBJ databases.
RN   [7]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=10591208; DOI=10.1038/990031;
RA   Dunham I., Hunt A.R., Collins J.E., Bruskiewich R., Beare D.M., Clamp M.,
RA   Smink L.J., Ainscough R., Almeida J.P., Babbage A.K., Bagguley C.,
RA   Bailey J., Barlow K.F., Bates K.N., Beasley O.P., Bird C.P., Blakey S.E.,
RA   Bridgeman A.M., Buck D., Burgess J., Burrill W.D., Burton J., Carder C.,
RA   Carter N.P., Chen Y., Clark G., Clegg S.M., Cobley V.E., Cole C.G.,
RA   Collier R.E., Connor R., Conroy D., Corby N.R., Coville G.J., Cox A.V.,
RA   Davis J., Dawson E., Dhami P.D., Dockree C., Dodsworth S.J., Durbin R.M.,
RA   Ellington A.G., Evans K.L., Fey J.M., Fleming K., French L., Garner A.A.,
RA   Gilbert J.G.R., Goward M.E., Grafham D.V., Griffiths M.N.D., Hall C.,
RA   Hall R.E., Hall-Tamlyn G., Heathcott R.W., Ho S., Holmes S., Hunt S.E.,
RA   Jones M.C., Kershaw J., Kimberley A.M., King A., Laird G.K., Langford C.F.,
RA   Leversha M.A., Lloyd C., Lloyd D.M., Martyn I.D., Mashreghi-Mohammadi M.,
RA   Matthews L.H., Mccann O.T., Mcclay J., Mclaren S., McMurray A.A.,
RA   Milne S.A., Mortimore B.J., Odell C.N., Pavitt R., Pearce A.V., Pearson D.,
RA   Phillimore B.J.C.T., Phillips S.H., Plumb R.W., Ramsay H., Ramsey Y.,
RA   Rogers L., Ross M.T., Scott C.E., Sehra H.K., Skuce C.D., Smalley S.,
RA   Smith M.L., Soderlund C., Spragon L., Steward C.A., Sulston J.E.,
RA   Swann R.M., Vaudin M., Wall M., Wallis J.M., Whiteley M.N., Willey D.L.,
RA   Williams L., Williams S.A., Williamson H., Wilmer T.E., Wilming L.,
RA   Wright C.L., Hubbard T., Bentley D.R., Beck S., Rogers J., Shimizu N.,
RA   Minoshima S., Kawasaki K., Sasaki T., Asakawa S., Kudoh J., Shintani A.,
RA   Shibuya K., Yoshizaki Y., Aoki N., Mitsuyama S., Roe B.A., Chen F., Chu L.,
RA   Crabtree J., Deschamps S., Do A., Do T., Dorman A., Fang F., Fu Y., Hu P.,
RA   Hua A., Kenton S., Lai H., Lao H.I., Lewis J., Lewis S., Lin S.-P., Loh P.,
RA   Malaj E., Nguyen T., Pan H., Phan S., Qi S., Qian Y., Ray L., Ren Q.,
RA   Shaull S., Sloan D., Song L., Wang Q., Wang Y., Wang Z., White J.,
RA   Willingham D., Wu H., Yao Z., Zhan M., Zhang G., Chissoe S., Murray J.,
RA   Miller N., Minx P., Fulton R., Johnson D., Bemis G., Bentley D.,
RA   Bradshaw H., Bourne S., Cordes M., Du Z., Fulton L., Goela D., Graves T.,
RA   Hawkins J., Hinds K., Kemp K., Latreille P., Layman D., Ozersky P.,
RA   Rohlfing T., Scheet P., Walker C., Wamsley A., Wohldmann P., Pepin K.,
RA   Nelson J., Korf I., Bedell J.A., Hillier L.W., Mardis E., Waterston R.,
RA   Wilson R., Emanuel B.S., Shaikh T., Kurahashi H., Saitta S., Budarf M.L.,
RA   McDermid H.E., Johnson A., Wong A.C.C., Morrow B.E., Edelmann L., Kim U.J.,
RA   Shizuya H., Simon M.I., Dumanski J.P., Peyrard M., Kedra D., Seroussi E.,
RA   Fransson I., Tapia I., Bruder C.E., O'Brien K.P., Wilkinson P.,
RA   Bodenteich A., Hartman K., Hu X., Khan A.S., Lane L., Tilahun Y.,
RA   Wright H.;
RT   "The DNA sequence of human chromosome 22.";
RL   Nature 402:489-495(1999).
RN   [8]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND VARIANT PRO-547.
RA   Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M.,
RA   Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J.,
RA   Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S.,
RA   Turner R., Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H.,
RA   Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K.,
RA   Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D.,
RA   Hunkapiller M.W., Myers E.W., Venter J.C.;
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
RN   [9]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM B2), AND VARIANT PRO-547.
RC   TISSUE=Uterus;
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   [10]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-301; SER-304; SER-341;
RP   THR-373; SER-503; SER-514; SER-576 AND SER-729, AND IDENTIFICATION BY MASS
RP   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   [11]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-357 AND THR-360, 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   [12]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-299; SER-301; SER-304;
RP   THR-351; SER-357; THR-360; THR-373 AND SER-514, AND IDENTIFICATION BY MASS
RP   SPECTROMETRY [LARGE SCALE ANALYSIS].
RC   TISSUE=Cervix carcinoma;
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   [13]
RP   ACETYLATION [LARGE SCALE ANALYSIS] AT ALA-2, CLEAVAGE OF INITIATOR
RP   METHIONINE [LARGE SCALE ANALYSIS], AND IDENTIFICATION BY MASS SPECTROMETRY
RP   [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   [14]
RP   PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-301; SER-304; SER-341;
RP   SER-514; SER-523; SER-729 AND SER-792, AND IDENTIFICATION BY MASS
RP   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   [15]
RP   VARIANTS [LARGE SCALE ANALYSIS] GLN-637 AND VAL-763.
RX   PubMed=16959974; DOI=10.1126/science.1133427;
RA   Sjoeblom T., Jones S., Wood L.D., Parsons D.W., Lin J., Barber T.D.,
RA   Mandelker D., Leary R.J., Ptak J., Silliman N., Szabo S., Buckhaults P.,
RA   Farrell C., Meeh P., Markowitz S.D., Willis J., Dawson D., Willson J.K.V.,
RA   Gazdar A.F., Hartigan J., Wu L., Liu C., Parmigiani G., Park B.H.,
RA   Bachman K.E., Papadopoulos N., Vogelstein B., Kinzler K.W.,
RA   Velculescu V.E.;
RT   "The consensus coding sequences of human breast and colorectal cancers.";
RL   Science 314:268-274(2006).
CC   -!- FUNCTION: Structural protein of the cytoskeleton.
CC   -!- INTERACTION:
CC       P53814-5; Q4L180-3: FILIP1L; NbExp=3; IntAct=EBI-11100581, EBI-12221557;
CC       P53814-5; O76024: WFS1; NbExp=3; IntAct=EBI-11100581, EBI-720609;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm, cytoskeleton. Note=Exhibits a
CC       filamentous organization.
CC   -!- ALTERNATIVE PRODUCTS:
CC       Event=Alternative promoter usage, Alternative splicing; Named isoforms=4;
CC         Comment=Additional isoforms seem to exist.;
CC       Name=B; Synonyms=Long, B1, L1;
CC         IsoId=P53814-1; Sequence=Displayed;
CC       Name=A; Synonyms=Short;
CC         IsoId=P53814-2; Sequence=VSP_004398;
CC       Name=B2; Synonyms=L2;
CC         IsoId=P53814-5; Sequence=VSP_007020;
CC       Name=B3;
CC         IsoId=P53814-6; Sequence=VSP_031242;
CC   -!- TISSUE SPECIFICITY: Smooth muscle; contractile or vascular (for the
CC       long form).
CC   -!- MISCELLANEOUS: [Isoform A]: Produced by alternative promoter usage.
CC       {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the smoothelin family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAL36149.1; Type=Frameshift; Evidence={ECO:0000305};
CC       Sequence=AAL36150.1; Type=Frameshift; Evidence={ECO:0000305};
CC       Sequence=CAA73884.2; Type=Frameshift; Evidence={ECO:0000305};
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DR   EMBL; Z49989; CAA90281.2; -; mRNA.
DR   EMBL; AJ010306; CAA09077.2; -; mRNA.
DR   EMBL; Y13492; CAA73884.2; ALT_FRAME; mRNA.
DR   EMBL; AY061971; AAL36149.1; ALT_FRAME; mRNA.
DR   EMBL; AY061972; AAL36150.1; ALT_FRAME; mRNA.
DR   EMBL; AF115570; AAF03562.1; -; Genomic_DNA.
DR   EMBL; AF115552; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115553; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115554; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115555; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115556; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115557; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115558; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115559; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115560; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115561; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115562; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115563; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115564; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115565; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115566; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115567; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115568; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115569; AAF03562.1; JOINED; Genomic_DNA.
DR   EMBL; AF115570; AAF03563.1; -; Genomic_DNA.
DR   EMBL; AF115560; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115561; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115562; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115563; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115564; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115565; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115566; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115567; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115568; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF115569; AAF03563.1; JOINED; Genomic_DNA.
DR   EMBL; AF064238; AAF01481.3; -; mRNA.
DR   EMBL; AC005005; AAD15619.1; -; Genomic_DNA.
DR   EMBL; CH471095; EAW59930.1; -; Genomic_DNA.
DR   EMBL; BC034237; AAH34237.1; -; mRNA.
DR   CCDS; CCDS13886.1; -. [P53814-1]
DR   CCDS; CCDS13887.1; -. [P53814-6]
DR   CCDS; CCDS13888.1; -. [P53814-5]
DR   PIR; T09575; T09575.
DR   RefSeq; NP_001193946.1; NM_001207017.1.
DR   RefSeq; NP_001193947.1; NM_001207018.1.
DR   RefSeq; NP_008863.3; NM_006932.4. [P53814-1]
DR   RefSeq; NP_599031.1; NM_134269.2. [P53814-5]
DR   RefSeq; NP_599032.2; NM_134270.2. [P53814-6]
DR   PDB; 2D87; NMR; -; A=801-868.
DR   PDBsum; 2D87; -.
DR   AlphaFoldDB; P53814; -.
DR   SMR; P53814; -.
DR   BioGRID; 112416; 32.
DR   IntAct; P53814; 27.
DR   MINT; P53814; -.
DR   STRING; 9606.ENSP00000484398; -.
DR   GlyGen; P53814; 1 site, 1 O-linked glycan (1 site).
DR   iPTMnet; P53814; -.
DR   PhosphoSitePlus; P53814; -.
DR   BioMuta; SMTN; -.
DR   DMDM; 338817991; -.
DR   EPD; P53814; -.
DR   jPOST; P53814; -.
DR   MassIVE; P53814; -.
DR   MaxQB; P53814; -.
DR   PaxDb; P53814; -.
DR   PeptideAtlas; P53814; -.
DR   PRIDE; P53814; -.
DR   ProteomicsDB; 56630; -. [P53814-1]
DR   ProteomicsDB; 56631; -. [P53814-2]
DR   ProteomicsDB; 56632; -. [P53814-5]
DR   ProteomicsDB; 56633; -. [P53814-6]
DR   Antibodypedia; 3445; 177 antibodies from 24 providers.
DR   DNASU; 6525; -.
DR   Ensembl; ENST00000333137.12; ENSP00000329532.7; ENSG00000183963.19. [P53814-5]
DR   Ensembl; ENST00000347557.6; ENSP00000328635.5; ENSG00000183963.19. [P53814-1]
DR   Ensembl; ENST00000358743.5; ENSP00000351593.1; ENSG00000183963.19. [P53814-6]
DR   GeneID; 6525; -.
DR   KEGG; hsa:6525; -.
DR   MANE-Select; ENST00000333137.12; ENSP00000329532.7; NM_134269.3; NP_599031.1. [P53814-5]
DR   UCSC; uc003ajk.3; human. [P53814-1]
DR   CTD; 6525; -.
DR   DisGeNET; 6525; -.
DR   GeneCards; SMTN; -.
DR   HGNC; HGNC:11126; SMTN.
DR   HPA; ENSG00000183963; Tissue enhanced (intestine, urinary bladder).
DR   MIM; 602127; gene.
DR   neXtProt; NX_P53814; -.
DR   OpenTargets; ENSG00000183963; -.
DR   PharmGKB; PA35975; -.
DR   VEuPathDB; HostDB:ENSG00000183963; -.
DR   eggNOG; KOG4678; Eukaryota.
DR   GeneTree; ENSGT00940000161655; -.
DR   HOGENOM; CLU_014660_0_0_1; -.
DR   InParanoid; P53814; -.
DR   TreeFam; TF316716; -.
DR   PathwayCommons; P53814; -.
DR   SignaLink; P53814; -.
DR   BioGRID-ORCS; 6525; 23 hits in 1076 CRISPR screens.
DR   ChiTaRS; SMTN; human.
DR   EvolutionaryTrace; P53814; -.
DR   GeneWiki; SMTN; -.
DR   GenomeRNAi; 6525; -.
DR   Pharos; P53814; Tbio.
DR   PRO; PR:P53814; -.
DR   Proteomes; UP000005640; Chromosome 22.
DR   RNAct; P53814; protein.
DR   Bgee; ENSG00000183963; Expressed in lower esophagus muscularis layer and 161 other tissues.
DR   ExpressionAtlas; P53814; baseline and differential.
DR   Genevisible; P53814; HS.
DR   GO; GO:0015629; C:actin cytoskeleton; TAS:ProtInc.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-KW.
DR   GO; GO:0005856; C:cytoskeleton; TAS:ProtInc.
DR   GO; GO:0031941; C:filamentous actin; IBA:GO_Central.
DR   GO; GO:0005815; C:microtubule organizing center; IBA:GO_Central.
DR   GO; GO:0003779; F:actin binding; TAS:ProtInc.
DR   GO; GO:0008307; F:structural constituent of muscle; TAS:ProtInc.
DR   GO; GO:0030036; P:actin cytoskeleton organization; IBA:GO_Central.
DR   GO; GO:0007517; P:muscle organ development; TAS:ProtInc.
DR   GO; GO:0006939; P:smooth muscle contraction; TAS:ProtInc.
DR   CDD; cd00014; CH; 1.
DR   Gene3D; 1.10.418.10; -; 1.
DR   InterPro; IPR001715; CH-domain.
DR   InterPro; IPR036872; CH_dom_sf.
DR   InterPro; IPR022189; SMTN.
DR   Pfam; PF00307; CH; 1.
DR   Pfam; PF12510; Smoothelin; 3.
DR   SMART; SM00033; CH; 1.
DR   SUPFAM; SSF47576; SSF47576; 1.
DR   PROSITE; PS50021; CH; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Acetylation; Alternative promoter usage;
KW   Alternative splicing; Coiled coil; Cytoplasm; Cytoskeleton; Phosphoprotein;
KW   Reference proteome.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0007744|PubMed:22814378"
FT   CHAIN           2..917
FT                   /note="Smoothelin"
FT                   /id="PRO_0000071976"
FT   DOMAIN          799..906
FT                   /note="Calponin-homology (CH)"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00044"
FT   REGION          157..456
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          560..580
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          617..767
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COILED          24..89
FT                   /evidence="ECO:0000255"
FT   COILED          603..630
FT                   /evidence="ECO:0000255"
FT   COMPBIAS        169..206
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        231..248
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        249..263
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        300..326
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        364..397
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        617..637
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        643..718
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        738..752
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         2
FT                   /note="N-acetylalanine"
FT                   /evidence="ECO:0007744|PubMed:22814378"
FT   MOD_RES         299
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:20068231"
FT   MOD_RES         301
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:20068231, ECO:0007744|PubMed:23186163"
FT   MOD_RES         304
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:20068231, ECO:0007744|PubMed:23186163"
FT   MOD_RES         341
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:23186163"
FT   MOD_RES         351
FT                   /note="Phosphothreonine"
FT                   /evidence="ECO:0007744|PubMed:20068231"
FT   MOD_RES         357
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:19690332,
FT                   ECO:0007744|PubMed:20068231"
FT   MOD_RES         360
FT                   /note="Phosphothreonine"
FT                   /evidence="ECO:0007744|PubMed:19690332,
FT                   ECO:0007744|PubMed:20068231"
FT   MOD_RES         373
FT                   /note="Phosphothreonine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:20068231"
FT   MOD_RES         503
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648"
FT   MOD_RES         514
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:20068231, ECO:0007744|PubMed:23186163"
FT   MOD_RES         523
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:23186163"
FT   MOD_RES         576
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648"
FT   MOD_RES         729
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:18669648,
FT                   ECO:0007744|PubMed:23186163"
FT   MOD_RES         792
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0007744|PubMed:23186163"
FT   VAR_SEQ         1..456
FT                   /note="Missing (in isoform A)"
FT                   /evidence="ECO:0000303|PubMed:12176134,
FT                   ECO:0000303|PubMed:8707825"
FT                   /id="VSP_004398"
FT   VAR_SEQ         868
FT                   /note="E -> ETHADCPQLLDTEDMVRLREPDWK (in isoform B3)"
FT                   /evidence="ECO:0000303|PubMed:12176134"
FT                   /id="VSP_031242"
FT   VAR_SEQ         869..917
FT                   /note="MLVDCVPLVEVDDMMIMGKKPDPKCVFTYVQSLYNHLRRHELRLRGKNV ->
FT                   THADCPQLLDTEDMVRLREPDWKCVYTYIQEFYRCLVQKGLVKTKKS (in isoform
FT                   B2)"
FT                   /evidence="ECO:0000303|PubMed:11316948,
FT                   ECO:0000303|PubMed:12176134, ECO:0000303|PubMed:15489334,
FT                   ECO:0000303|Ref.6"
FT                   /id="VSP_007020"
FT   VARIANT         455
FT                   /note="G -> D (in dbSNP:rs1064178)"
FT                   /evidence="ECO:0000269|PubMed:10023782,
FT                   ECO:0000269|PubMed:11316948, ECO:0000269|PubMed:12176134,
FT                   ECO:0000269|Ref.6"
FT                   /id="VAR_038785"
FT   VARIANT         547
FT                   /note="A -> P (in dbSNP:rs3205187)"
FT                   /evidence="ECO:0000269|PubMed:10023782,
FT                   ECO:0000269|PubMed:15489334, ECO:0000269|Ref.6,
FT                   ECO:0000269|Ref.8"
FT                   /id="VAR_038786"
FT   VARIANT         559
FT                   /note="A -> V (in dbSNP:rs5997872)"
FT                   /id="VAR_038787"
FT   VARIANT         580
FT                   /note="A -> T (in dbSNP:rs12158015)"
FT                   /id="VAR_038788"
FT   VARIANT         637
FT                   /note="R -> Q (in a colorectal cancer sample; somatic
FT                   mutation; dbSNP:rs777851029)"
FT                   /evidence="ECO:0000269|PubMed:16959974"
FT                   /id="VAR_035657"
FT   VARIANT         642
FT                   /note="R -> C (in dbSNP:rs34292278)"
FT                   /id="VAR_062223"
FT   VARIANT         763
FT                   /note="A -> V (in a colorectal cancer sample; somatic
FT                   mutation)"
FT                   /evidence="ECO:0000269|PubMed:16959974"
FT                   /id="VAR_035658"
FT   CONFLICT        279
FT                   /note="T -> P (in Ref. 5; AAF03562/AAL36149/AAL36150/
FT                   CAA73884)"
FT                   /evidence="ECO:0000305"
FT   HELIX           801..812
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   STRAND          813..815
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   TURN            824..829
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   HELIX           832..841
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   TURN            843..845
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   HELIX           856..871
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   HELIX           879..884
FT                   /evidence="ECO:0007829|PDB:2D87"
FT   HELIX           891..905
FT                   /evidence="ECO:0007829|PDB:2D87"
SQ   SEQUENCE   917 AA;  99059 MW;  EC508A8239AA6B36 CRC64;
     MADEALAGLD EGALRKLLEV TADLAERRRI RSAIRELQRQ ELEREEEALA SKRFRAERQD
     NKENWLHSQQ REAEQRAALA RLAGQLESMN DVEELTALLR SAGEYEERKL IRAAIRRVRA
     QEIEAATLAG RLYSGRPNSG SREDSKGLAA HRLEQCEVPE REEQEQQAEV SKPTPTPEGT
     SQDVTTVTLL LRAPPGSTSS SPASPSSSPT PASPEPPLEP AEAQCLTAEV PGSPEPPPSP
     PKTTSPEPQE SPTLPSTEGQ VVNKLLSGPK ETPAAQSPTR GPSDTKRADV AGPRPCQRSL
     SVLSPRQPAQ NRESTPLASG PSSFQRAGSV RDRVHKFTSD SPMAARLQDG TPQAALSPLT
     PARLLGPSLT STTPASSSSG SSSRGPSDTS SRFSKEQRGV AQPLAQLRSC PQEEGPRGRG
     LAARPLENRA GGPVARSEEP GAPLPVAVGT AEPGGSMKTT FTIEIKDGRG QASTGRVLLP
     TGNQRAELTL GLRAPPTLLS TSSGGKSTIT RVNSPGTLAR LGSVTHVTSF SHAPPSSRGG
     CSIKMEAEPA EPLAAAVEAA NGAEQTRVNK APEGRSPLSA EELMTIEDEG VLDKMLDQST
     DFEERKLIRA ALRELRQRKR DQRDKERERR LQEARGRPGE GRGNTATETT TRHSQRAADG
     SAVSTVTKTE RLVHSNDGTR TARTTTVESS FVRRSENGSG STMMQTKTFS SSSSSKKMGS
     IFDREDQASP RAGSLAALEK RQAEKKKELM KAQSLPKTSA SQARKAMIEK LEKEGAAGSP
     GGPRAAVQRS TSFGVPNANS IKQMLLDWCR AKTRGYEHVD IQNFSSSWSD GMAFCALVHN
     FFPEAFDYGQ LSPQNRRQNF EVAFSSAEML VDCVPLVEVD DMMIMGKKPD PKCVFTYVQS
     LYNHLRRHEL RLRGKNV
 
 
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