ID   CASP6_POPTR             Reviewed;         186 AA.
AC   B9I534;
DT   26-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Casparian strip membrane protein 6;
DE            Short=PtCASP6;
GN   ORFNames=POPTRDRAFT_569472;
OS   Populus trichocarpa (Western balsam poplar) (Populus balsamifera subsp.
OS   trichocarpa).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Salicaceae; Saliceae; Populus.
OX   NCBI_TaxID=3694;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Nisqually;
RX   PubMed=16973872; DOI=10.1126/science.1128691;
RA   Tuskan G.A., Difazio S., Jansson S., Bohlmann J., Grigoriev I.,
RA   Hellsten U., Putnam N., Ralph S., Rombauts S., Salamov A., Schein J.,
RA   Sterck L., Aerts A., Bhalerao R.R., Bhalerao R.P., Blaudez D., Boerjan W.,
RA   Brun A., Brunner A., Busov V., Campbell M., Carlson J., Chalot M.,
RA   Chapman J., Chen G.-L., Cooper D., Coutinho P.M., Couturier J., Covert S.,
RA   Cronk Q., Cunningham R., Davis J., Degroeve S., Dejardin A.,
RA   dePamphilis C.W., Detter J., Dirks B., Dubchak I., Duplessis S.,
RA   Ehlting J., Ellis B., Gendler K., Goodstein D., Gribskov M., Grimwood J.,
RA   Groover A., Gunter L., Hamberger B., Heinze B., Helariutta Y.,
RA   Henrissat B., Holligan D., Holt R., Huang W., Islam-Faridi N., Jones S.,
RA   Jones-Rhoades M., Jorgensen R., Joshi C., Kangasjaervi J., Karlsson J.,
RA   Kelleher C., Kirkpatrick R., Kirst M., Kohler A., Kalluri U., Larimer F.,
RA   Leebens-Mack J., Leple J.-C., Locascio P., Lou Y., Lucas S., Martin F.,
RA   Montanini B., Napoli C., Nelson D.R., Nelson C., Nieminen K., Nilsson O.,
RA   Pereda V., Peter G., Philippe R., Pilate G., Poliakov A., Razumovskaya J.,
RA   Richardson P., Rinaldi C., Ritland K., Rouze P., Ryaboy D., Schmutz J.,
RA   Schrader J., Segerman B., Shin H., Siddiqui A., Sterky F., Terry A.,
RA   Tsai C.-J., Uberbacher E., Unneberg P., Vahala J., Wall K., Wessler S.,
RA   Yang G., Yin T., Douglas C., Marra M., Sandberg G., Van de Peer Y.,
RA   Rokhsar D.S.;
RT   "The genome of black cottonwood, Populus trichocarpa (Torr. & Gray).";
RL   Science 313:1596-1604(2006).
RN   [2]
RP   GENOME REANNOTATION.
RC   STRAIN=cv. Nisqually;
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Grigoriev I.V., Terry A., Salamov A.A., Otillar R., Lou Y., Lucas S.,
RA   Hammon N., Glavina del Rio T., Detter J., Kalin E., Tice H., Pitluck S.,
RA   Chapman J., Putnam N.H., Brunner A., Busov V., Campbell M., Chalot M.,
RA   Covert S., Davis J., DiFazio S., Gribskov M., Gunter L., Hamberger B.,
RA   Jansson S., Joshi C., Larimer F., Martin F., Napoli C., Nelson D.,
RA   Ralph S., Rombauts S., Rouze P., Schrader J., Tsai C., Vahala J.,
RA   Tuskan G., Rokhsar D.;
RL   Submitted (DEC-2008) to the EMBL/GenBank/DDBJ databases.
RN   [3]
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; CM009301; EEE96589.1; -; Genomic_DNA.
DR   RefSeq; XP_002318369.1; XM_002318333.2.
DR   AlphaFoldDB; B9I534; -.
DR   SMR; B9I534; -.
DR   STRING; 3694.POPTR_0012s01320.1; -.
DR   EnsemblPlants; PNT09206; PNT09206; POPTR_012G032300v3.
DR   GeneID; 7489808; -.
DR   Gramene; PNT09206; PNT09206; POPTR_012G032300v3.
DR   KEGG; pop:7489808; -.
DR   eggNOG; ENOG502RXTK; Eukaryota.
DR   HOGENOM; CLU_066104_3_2_1; -.
DR   InParanoid; B9I534; -.
DR   OMA; KANWFAF; -.
DR   Proteomes; UP000006729; Chromosome 12.
DR   ExpressionAtlas; B9I534; differential.
DR   GO; GO:0048226; C:Casparian strip; IEA:EnsemblPlants.
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   3: Inferred from homology;
KW   Cell membrane; Cell wall biogenesis/degradation; Glycoprotein; Membrane;
KW   Reference proteome; Transmembrane; Transmembrane helix.
FT   CHAIN           1..186
FT                   /note="Casparian strip membrane protein 6"
FT                   /id="PRO_0000376091"
FT   TOPO_DOM        1..23
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        24..44
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        45..73
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        74..94
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        95..106
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        107..127
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        128..160
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        161..181
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        182..186
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        50
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        142
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   186 AA;  19983 MW;  9497A4E259113C30 CRC64;
     MKAGPIELGE GKSSAPKAAV NRGVAILDFI LRILAFIGTL GSAISMATTN ETLPFFTQFI
     RFRAEYDDLP TFTFFVVANG VVSAYLLFSL PFSIFNIVRS KAQNSRILLI ILDTAMLGLL
     SAGASAAAAI VYLAHQGNVR TNWSAICQQF NSFCERISGS LIGSFIGVVV FILLISLSAV
     ALSRHK