ID   MATK_CHAGO              Reviewed;         516 AA.
AC   Q7YKY4;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 40.
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 globularis (Fragile stonewort).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Charophyceae; Charales; Characeae;
OC   Chara.
OX   NCBI_TaxID=69338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=F124C;
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; AY170443; AAO39154.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q7YKY4; -.
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_0000143328"
SQ   SEQUENCE   516 AA;  62263 MW;  3189A3AC74D3FA47 CRC64;
     MNLISKKNEL KQGFYPLFFL EEFYIRVLIH MNHNHILKIG NIKQSKLIHV NRICHYLLIK
     RLIRQIRKQS HKYNGISEFP NYETEFYFQY KNRFYNLMIE NVFLLILQMI WQHQKTRKND
     PCILIHRSIQ STFPFLENKI IHCIWIIHGN IQLFHTIQQL NFLFLLLYER IRDKSFLHLL
     KNIFNLKKEL LIEAFYCDKF HLIELSMFFR NLYINEFDSF IVYHIVKTWK LAYLLNPSQA
     IDDSSFIQKN HILLNIKRKQ KSLPLVSWLA NRSFYSLYGN IHYVRRDLSF LMAIQAGKHI
     SRFWKYNSIN FLQLKLGFPC SLDVLYLKSL FNQDFLFLGY RIVNKLWKKN FKIRAVSWYS
     PILFFFKGRR ISTKMPVLNL IHRLSVMHLC NLEGYPIHKA AWSVFNDKQI MNIFSNLLRN
     IILYYSGCSN RSDLGKIQYI LEFSCMKTLA FKHKSSIRST WTQYKKHVSL LSLVKNRHKN
     GKTSVDLYFL FQKTNKLWLL DLSKIQDSLA CFIFID