ID   CASP1_SOLTU             Reviewed;         188 AA.
AC   P0DI44;
DT   13-JUN-2012, integrated into UniProtKB/Swiss-Prot.
DT   13-JUN-2012, sequence version 1.
DT   03-AUG-2022, entry version 23.
DE   RecName: Full=Casparian strip membrane protein 1;
DE            Short=StCASP1;
OS   Solanum tuberosum (Potato).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Solanoideae; Solaneae; Solanum.
OX   NCBI_TaxID=4113;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   STRAIN=cv. Kennebec; TISSUE=Root;
RA   van der Hoeven R., Sun H., Karamycheva S.A., Tsai J., Van Aken S.,
RA   Utterback T., Chiemingo A., Bougri O., Buell C.R., Ronning C., Tanksley S.,
RA   Baker B.;
RT   "Generation of ESTs from potato roots.";
RL   Submitted (JAN-2002) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   GENE FAMILY, AND NOMENCLATURE.
RX   PubMed=24920445; DOI=10.1104/pp.114.239137;
RA   Roppolo D., Boeckmann B., Pfister A., Boutet E., Rubio M.C.,
RA   Denervaud-Tendon V., Vermeer J.E., Gheyselinck J., Xenarios I., Geldner N.;
RT   "Functional and evolutionary analysis of the CASPARIAN STRIP MEMBRANE
RT   DOMAIN PROTEIN family.";
RL   Plant Physiol. 165:1709-1722(2014).
CC   -!- FUNCTION: Regulates membrane-cell wall junctions and localized cell
CC       wall deposition. Required for establishment of the Casparian strip
CC       membrane domain (CSD) and the subsequent formation of Casparian strips,
CC       a cell wall modification of the root endodermis that determines an
CC       apoplastic barrier between the intraorganismal apoplasm and the
CC       extraorganismal apoplasm and prevents lateral diffusion (By
CC       similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Homodimer and heterodimers. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250}; Multi-pass membrane
CC       protein {ECO:0000250}. Note=Very restricted localization following a
CC       belt shape within the plasma membrane which coincides with the position
CC       of the Casparian strip membrane domain in the root endodermis.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the Casparian strip membrane proteins (CASP)
CC       family. {ECO:0000305}.
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DR   EMBL; BM404341; -; NOT_ANNOTATED_CDS; mRNA.
DR   AlphaFoldDB; P0DI44; -.
DR   SMR; P0DI44; -.
DR   STRING; 4113.PGSC0003DMT400064736; -.
DR   eggNOG; ENOG502RXTK; Eukaryota.
DR   Proteomes; UP000011115; Unassembled WGS sequence.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IBA:GO_Central.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IBA:GO_Central.
DR   GO; GO:0042545; P:cell wall modification; IBA:GO_Central.
DR   GO; GO:0007043; P:cell-cell junction assembly; IBA:GO_Central.
DR   InterPro; IPR006459; CASP/CASPL.
DR   InterPro; IPR006702; CASP_dom.
DR   Pfam; PF04535; DUF588; 1.
DR   TIGRFAMs; TIGR01569; A_tha_TIGR01569; 1.
PE   2: Evidence at transcript level;
KW   Cell membrane; Cell wall biogenesis/degradation; Glycoprotein; Membrane;
KW   Reference proteome; Transmembrane; Transmembrane helix.
FT   CHAIN           1..188
FT                   /note="Casparian strip membrane protein 1"
FT                   /id="PRO_0000417806"
FT   TOPO_DOM        1..24
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        25..45
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        46..72
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        73..93
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        94..105
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        106..126
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        127..159
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        160..180
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        181..188
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        49
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   188 AA;  20272 MW;  93BDA8B266B158B0 CRC64;
     MKAGALELGH ASKTTKSGVN RGMSILDLFI RIIAIIATLG SAIAMGTTNE TLPFFTQFVR
     FKAKYSDLPT FTFFVVANAI VSAYLVLSLG LSIYHIMRSR AQATRIALIF FDAAMLGLLT
     GGASASAAIV YLAHKGNRKT NWFPICQQYD SFCHRTSGSL VGSFAGSVLI ILLIFLSAIA
     LSRQSLNH