ID   MATK_SPIOL              Reviewed;         505 AA.
AC   Q9M3N0;
DT   29-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=Maturase K {ECO:0000255|HAMAP-Rule:MF_01390};
DE   AltName: Full=Intron maturase {ECO:0000255|HAMAP-Rule:MF_01390};
GN   Name=matK {ECO:0000255|HAMAP-Rule:MF_01390}; Synonyms=ycf14;
OS   Spinacia oleracea (Spinach).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   Caryophyllales; Chenopodiaceae; Chenopodioideae; Anserineae; Spinacia.
OX   NCBI_TaxID=3562;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Geant d'hiver, and cv. Monatol;
RX   PubMed=11292076; DOI=10.1023/a:1006478403810;
RA   Schmitz-Linneweber C., Maier R.M., Alcaraz J.-P., Cottet A., Herrmann R.G.,
RA   Mache R.;
RT   "The plastid chromosome of spinach (Spinacia oleracea): complete nucleotide
RT   sequence and gene organization.";
RL   Plant Mol. Biol. 45:307-315(2001).
CC   -!- FUNCTION: Usually encoded in the trnK tRNA gene intron. Probably
CC       assists in splicing its own and other chloroplast group II introns.
CC       {ECO:0000255|HAMAP-Rule:MF_01390}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the intron maturase 2 family. MatK subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01390}.
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DR   EMBL; AJ400848; CAB88706.1; -; Genomic_DNA.
DR   RefSeq; NP_054913.1; NC_002202.1.
DR   AlphaFoldDB; Q9M3N0; -.
DR   STRING; 3562.Q9M3N0; -.
DR   GeneID; 3885560; -.
DR   KEGG; soe:3885560; -.
DR   OrthoDB; 462131at2759; -.
DR   Proteomes; UP000054095; Chloroplast.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR   GO; GO:0008380; P:RNA splicing; IEA:UniProtKB-UniRule.
DR   GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-KW.
DR   HAMAP; MF_01390; MatK; 1.
DR   InterPro; IPR024937; Domain_X.
DR   InterPro; IPR002866; Maturase_MatK.
DR   InterPro; IPR024942; Maturase_MatK_N.
DR   PANTHER; PTHR34811; PTHR34811; 1.
DR   Pfam; PF01348; Intron_maturas2; 1.
DR   Pfam; PF01824; MatK_N; 1.
PE   3: Inferred from homology;
KW   Chloroplast; mRNA processing; Plastid; Reference proteome; RNA-binding;
KW   tRNA processing.
FT   CHAIN           1..505
FT                   /note="Maturase K"
FT                   /id="PRO_0000143717"
SQ   SEQUENCE   505 AA;  59625 MW;  E99559EF49B2686B CRC64;
     MEEFQRHIEL DRSWQHNFLY PLIFQEYIYA FAYDHGLNKS ILLENSGNSK YSLLLVKRLI
     TRMYQQNHLI LSANDSNQNV ILGHKHKKNL YSQMITEGFA VIVEVPFSLL LISSLGEKEI
     VKSHNLRSIH SIFPFLEDKL LHLNYVLDIL ITYPAHLEIL VQTLRYWVKD ASSLHLLRFF
     LYEYRNLNSL ITPKELISFL KKRNQRLFLF LYNLHVCEYE SLFVFLCNQS SYLRPTSFGA
     LIERIYFCGK LKYLVKVFTK DFGVILWIFR EPFPHYVRYQ GKSILASKGT SLLMHKWKYY
     LIYFGQCHFS VWSQPKRLYI NRLSNHSLDF MGFLSRVRLN SSVIRSQMLK NSFLIENISK
     KFDTVVPIIP LVGSLAKAKF CNVLGHPISK SVWTDLSDSD ILDRFGRICR NISHYYSGSS
     RKKSLYRIKY ILRLSCARTL SRKHKSTVRA FLKRLGSEFL EEFFTEEEKA LSLILPRDSS
     ISRGLYRGRI WYLDIICIHN LANDE