ID   MATK_CHACO              Reviewed;         516 AA.
AC   Q7YKY5;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 43.
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 connivens (Convergent stonewort).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Charophyceae; Charales; Characeae;
OC   Chara.
OX   NCBI_TaxID=13779;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=F140C;
RA   Sanders E.R., Karol K.G., McCourt R.M.;
RT   "Occurrence of matK in a trnK group II intron in charophyte green algae and
RT   phylogeny of the Characeae.";
RL   Am. J. Bot. 90:628-633(2003).
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; AY170442; AAO39153.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q7YKY5; -.
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_0000143327"
SQ   SEQUENCE   516 AA;  62381 MW;  F2853CE1D73A7454 CRC64;
     MNLISKKNEL KQGFYPLFFL EEFYIRVLIH MNHDHILKIG NIKQSKLIHV NRICHYLLIK
     RLIRQIRKQS HKYNGISEFP NYETEFYFQY KNRFYNLMIE NVFLLILQTI WQHQKTRKND
     PCILIHQSIQ SAFPFLEKKI IHCIWIIHGN IQLFHTNQQF NFLFLLLYER IRDKSFLNLL
     KNIFNLKKEL LIEGFYCDKF HLIELSMFLR NFYINEFDSF IVYHIVKTWK LAYLLNPSQA
     IDDFSFIQKN DILLNIKRKQ KRLPLLCWLA NKSFYSLYGN IHYVRRDLSF LMAIQAGKHI
     SRFWKYNCIK FLQLKLGFPC SLDVLYLKSV FNQDFLFLGY RIVNKLWKKN FKIRAVSWYS
     PIIFFFKGRR ISTKMPVFNL IHRLSVMHLC NLEGYPIHKA AWSVFNDKQI MNIFSNLLRN
     ILLYYSGCSN RSDLGKIQYI LEFSCMKTLA FKHKSSIRST WTQYKKHVSF LSLVKNRHKN
     GKTSVDLYFL FQKTNKLWLL DLSKIQDSLA CFLFID