ID   MATK_CHAVU              Reviewed;         516 AA.
AC   Q1ACK9;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   25-MAY-2022, entry version 37.
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};
OS   Chara vulgaris (Common stonewort).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Charophyceae; Charales; Characeae;
OC   Chara.
OX   NCBI_TaxID=55564;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16611644; DOI=10.1093/molbev/msk018;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The chloroplast genome sequence of Chara vulgaris sheds new light into the
RT   closest green algal relatives of land plants.";
RL   Mol. Biol. Evol. 23:1324-1338(2006).
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; DQ229107; ABA61916.1; -; Genomic_DNA.
DR   RefSeq; YP_635738.1; NC_008097.1.
DR   AlphaFoldDB; Q1ACK9; -.
DR   GeneID; 4100286; -.
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; RNA-binding; tRNA processing.
FT   CHAIN           1..516
FT                   /note="Maturase K"
FT                   /id="PRO_0000355921"
SQ   SEQUENCE   516 AA;  62495 MW;  C9DB6BEDEDAD18CF CRC64;
     MNLISKKNEL KQGFYPLFFL EEFYTRVLIH MNHNHILKIG NIKESKLIHV NRICHYLLIK
     RLIRQIRKQS HKYNGISEFP NYETEFYFQY KNRFYNLIIE NAFLLILQMI WQHQKTRKND
     PSILIHRSIQ SAFPFLEKKI IHCIWIIHGK IQLFHTIEQF NFLFLLLYER IRDKSFLHLL
     KNILNLNKEF LIEKFYCEKF HLIELSMFFR NLYINEFDSF IVYHIVKTWK LAYLLNPIKA
     IDDFSFIQKN DILLNIKRKQ KRLPLVCWLA NKSFYSLYGN IHYVRRDLSF LMAIQAGKHI
     SRFWKYNCIK FLQLKLGFPC SLDVLYLKSL FNQDFLFLGY RIVNKLWKKN FKIRAVSWYS
     PILFFLKGRR ISTKMPVFNL IDRLSVMHLC NLEGYPIHKA AWSVFNDKQI MNIFSNLLRN
     ILFYYSGCSN RSDLGKIQYI LEFSCMKTLA FKHKSSIRST WTQYKKHVSF LSLVKNRHKN
     GKTSVDLYFL FQKTNKFWLL DLSKIQDSLA CFILMD