ID CNG20_ARATH Reviewed; 764 AA. AC Q9LD37; DT 21-NOV-2003, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2000, sequence version 1. DT 24-JAN-2024, entry version 152. DE RecName: Full=Probable cyclic nucleotide-gated ion channel 20, chloroplastic; DE AltName: Full=Cyclic nucleotide-binding transporter 1; DE Flags: Precursor; GN Name=CNGC20; Synonyms=CNBT1; OrderedLocusNames=At3g17700; GN ORFNames=MKP6.28; OS Arabidopsis thaliana (Mouse-ear cress). OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; OC rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis. OX NCBI_TaxID=3702; RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA]. RC STRAIN=cv. Columbia; RA Wolff P., Palme K.; RT "Two genes encoding putative cyclic nucleotide-binding ion transporters RT from Arabidopsis thaliana."; RL Submitted (MAY-1999) to the EMBL/GenBank/DDBJ databases. RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=cv. Columbia; RX PubMed=10819329; DOI=10.1093/dnares/7.2.131; RA Sato S., Nakamura Y., Kaneko T., Katoh T., Asamizu E., Tabata S.; RT "Structural analysis of Arabidopsis thaliana chromosome 3. I. Sequence RT features of the regions of 4,504,864 bp covered by sixty P1 and TAC RT clones."; RL DNA Res. 7:131-135(2000). RN [3] RP GENOME REANNOTATION. RC STRAIN=cv. Columbia; RX PubMed=27862469; DOI=10.1111/tpj.13415; RA Cheng C.Y., Krishnakumar V., Chan A.P., Thibaud-Nissen F., Schobel S., RA Town C.D.; RT "Araport11: a complete reannotation of the Arabidopsis thaliana reference RT genome."; RL Plant J. 89:789-804(2017). RN [4] RP GENE FAMILY, AND NOMENCLATURE. RX PubMed=11500563; DOI=10.1104/pp.126.4.1646; RA Maeser P., Thomine S., Schroeder J.I., Ward J.M., Hirschi K., Sze H., RA Talke I.N., Amtmann A., Maathuis F.J.M., Sanders D., Harper J.F., RA Tchieu J., Gribskov M., Persans M.W., Salt D.E., Kim S.A., Guerinot M.L.; RT "Phylogenetic relationships within cation transporter families of RT Arabidopsis."; RL Plant Physiol. 126:1646-1667(2001). CC -!- FUNCTION: Probable cyclic nucleotide-gated ion channel. CC -!- SUBUNIT: Homotetramer or heterotetramer. {ECO:0000305}. CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane CC {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}. CC -!- SIMILARITY: Belongs to the cyclic nucleotide-gated cation channel CC (TC 1.A.1.5) family. {ECO:0000305}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AF148541; AAF73128.1; -; mRNA. DR EMBL; AF148542; AAF73130.1; -; Genomic_DNA. DR EMBL; AB022219; BAB02062.1; -; Genomic_DNA. DR EMBL; CP002686; AEE75994.1; -; Genomic_DNA. DR RefSeq; NP_566585.1; NM_112651.5. DR AlphaFoldDB; Q9LD37; -. DR BioGRID; 6370; 7. DR IntAct; Q9LD37; 1. DR STRING; 3702.Q9LD37; -. DR TCDB; 1.A.1.5.24; the voltage-gated ion channel (vic) superfamily. DR PaxDb; 3702-AT3G17700-1; -. DR ProteomicsDB; 220480; -. DR EnsemblPlants; AT3G17700.1; AT3G17700.1; AT3G17700. DR GeneID; 821037; -. DR Gramene; AT3G17700.1; AT3G17700.1; AT3G17700. DR KEGG; ath:AT3G17700; -. DR Araport; AT3G17700; -. DR TAIR; AT3G17700; CNBT1. DR eggNOG; KOG0498; Eukaryota. DR HOGENOM; CLU_013069_2_0_1; -. DR InParanoid; Q9LD37; -. DR OrthoDB; 3076617at2759; -. DR PhylomeDB; Q9LD37; -. DR PRO; PR:Q9LD37; -. DR Proteomes; UP000006548; Chromosome 3. DR ExpressionAtlas; Q9LD37; baseline and differential. DR GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell. DR GO; GO:0005516; F:calmodulin binding; IEA:UniProtKB-KW. DR GO; GO:0030552; F:cAMP binding; IEA:UniProtKB-KW. DR GO; GO:0030553; F:cGMP binding; IEA:UniProtKB-KW. DR GO; GO:0005216; F:monoatomic ion channel activity; IEA:InterPro. DR GO; GO:0009624; P:response to nematode; HEP:TAIR. DR CDD; cd00038; CAP_ED; 1. DR Gene3D; 1.10.287.70; -; 1. DR Gene3D; 1.10.287.630; Helix hairpin bin; 1. DR Gene3D; 2.60.120.10; Jelly Rolls; 1. DR InterPro; IPR000595; cNMP-bd_dom. DR InterPro; IPR018490; cNMP-bd_dom_sf. DR InterPro; IPR005821; Ion_trans_dom. DR InterPro; IPR014710; RmlC-like_jellyroll. DR PANTHER; PTHR45651; CYCLIC NUCLEOTIDE-GATED ION CHANNEL 15-RELATED-RELATED; 1. DR PANTHER; PTHR45651:SF11; CYCLIC NUCLEOTIDE-GATED ION CHANNEL 20, CHLOROPLASTIC-RELATED; 1. DR Pfam; PF00520; Ion_trans; 1. DR SUPFAM; SSF51206; cAMP-binding domain-like; 1. DR SUPFAM; SSF81324; Voltage-gated potassium channels; 1. DR PROSITE; PS50042; CNMP_BINDING_3; 1. DR Genevisible; Q9LD37; AT. PE 2: Evidence at transcript level; KW Calmodulin-binding; cAMP; cAMP-binding; cGMP; cGMP-binding; Chloroplast; KW Ion channel; Ion transport; Ligand-gated ion channel; Membrane; KW Nucleotide-binding; Plastid; Reference proteome; Thylakoid; KW Transit peptide; Transmembrane; Transmembrane helix; Transport. FT TRANSIT 1..25 FT /note="Chloroplast" FT /evidence="ECO:0000255" FT CHAIN 26..764 FT /note="Probable cyclic nucleotide-gated ion channel 20, FT chloroplastic" FT /id="PRO_0000005556" FT TOPO_DOM 26..204 FT /note="Stromal" FT /evidence="ECO:0000255" FT TRANSMEM 205..225 FT /note="Helical; Name=H1" FT /evidence="ECO:0000255" FT TOPO_DOM 226..242 FT /note="Lumenal" FT /evidence="ECO:0000255" FT TRANSMEM 243..263 FT /note="Helical; Name=H2" FT /evidence="ECO:0000255" FT TOPO_DOM 264..295 FT /note="Stromal" FT /evidence="ECO:0000255" FT TRANSMEM 296..316 FT /note="Helical; Name=H3" FT /evidence="ECO:0000255" FT TOPO_DOM 317..329 FT /note="Lumenal" FT /evidence="ECO:0000255" FT TRANSMEM 330..350 FT /note="Helical; Name=H4" FT /evidence="ECO:0000255" FT TOPO_DOM 351..366 FT /note="Stromal" FT /evidence="ECO:0000255" FT TRANSMEM 367..387 FT /note="Helical; Name=H5" FT /evidence="ECO:0000255" FT TOPO_DOM 388..488 FT /note="Lumenal" FT /evidence="ECO:0000255" FT TRANSMEM 489..509 FT /note="Helical; Name=H6" FT /evidence="ECO:0000255" FT TOPO_DOM 510..764 FT /note="Stromal" FT /evidence="ECO:0000255" FT DOMAIN 734..763 FT /note="IQ" FT REGION 1..40 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT REGION 713..729 FT /note="Calmodulin-binding" FT /evidence="ECO:0000250" FT COMPBIAS 21..40 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT BINDING 593..710 FT /ligand="a nucleoside 3',5'-cyclic phosphate" FT /ligand_id="ChEBI:CHEBI:58464" FT BINDING 658 FT /ligand="a nucleoside 3',5'-cyclic phosphate" FT /ligand_id="ChEBI:CHEBI:58464" FT /evidence="ECO:0000250" SQ SEQUENCE 764 AA; 86950 MW; FFFA8175DB76796E CRC64; MASHNENDDI PMLPISDPSS RTRARAFTSR SRSVSLSNPT SSIEGFDTST VVLGYTGPLR TQRRPPLVQM SGPLTSTRKH EPLFLPHPSS DSVGVSSQPE RYPSFAALEH KNSSEDEFVL KHANLLRSGQ LGMCNDPYCT TCPSYYNRKA AQIPTSRVSA LFDSTFHNAL YDDAKGWARR FASSVNRYLP GIMNPHAKEV QTWTKFFALS CLLAIFIDPL FFFLIKVQEQ NKCIMIDWPM TKAFVAVRSV TDVIFTMNIL LQFRLAYVAR ESTVVGAGQL VSHPKKIALH YLKGKFFLDL FIVMPLPQIL ILWIIPAHLG ASGANYAKNL LRAAVLFQYI PKLYRLLPFL AGQTPTGFIF ESAWANFVIN LLTFMLAGHV VGSCWYLFGL QRVNQCLRNA CGNFGRECQD LIDCGNGNSS VLVRATWKDN ASANACFQED GFPYGIYLKA VNLTNHSNLF TRYSYSLFWG FQQISTLAGN QVPSYFLGEV FFTMGIIGLG LLLFALLIGN MQNFLQALGK RNLEMTLRRR DVEQWMSHRR LPDGIRRRVR EAERFNWAAT RGVNEELLFE NMPDDLQRDI RRHLFKFLKK VRIFSLMDEP ILDAIRERLK QRTYIGSSTV LHRGGLVEKM VFIVRGEMES IGEDGSVLPL YEGDVCGEEL LTWCLERSSV NPDGTRIRMP SKGLLSSRNV RCVTNVEAFS LSVADLEDVT SLFSRFLRSH RVQGAIRYDS PYWRLRAARQ IQVAWRYRRR RLHRLCTPQS SYSL //