ID   MATK_CASCR              Reviewed;         464 AA.
AC   Q76DY9;
DT   22-NOV-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 48.
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   Castanea crenata (Japanese chestnut).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fagales; Fagaceae; Castanea.
OX   NCBI_TaxID=103480;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Okaura T., Ubukata M., Harada K.;
RT   "Subgenus Quercus cpDNA haplotype.";
RL   Submitted (APR-2003) to the EMBL/GenBank/DDBJ databases.
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; AB107636; BAC98487.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q76DY9; -.
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..464
FT                   /note="Maturase K"
FT                   /id="PRO_0000143314"
SQ   SEQUENCE   464 AA;  54383 MW;  71746529A80AF223 CRC64;
     MLLENIGYDN KSSLLIVKRL ITTMYQQNYL IISANDSKQN PFFGYNKNLH SKILSEGFAI
     IVEIPFYLRL ISSLEGAEIV RFYNLRSIHS IFPFLEEKFP HLNYSADILI PYPAHLEILV
     QTLRYRVKDA SYLHLLRFFL HEYSNCNSLI ITNKSISIFS KSNPRFFLFL YNSYICEYES
     IFLFLRNQSS HLRLTSSGVL FERLCLYRKI EHFAEVFAND FPVIPCFLKD PFMHYVRYQG
     KSILASKDTP LLMNKWKSYL VNLWQCHFDV WSHAASIRIN QLSKHSLDFL SYFSSVRRNP
     AVVRNQMLEN SFPLNNAPNK LDTIVPIIPL IGSLAKAKFC NAVGHPISKL TRADLSDFEI
     INRFLHICRN LSHYYSGSSK KKNMYRIKYI LRLSCVKTLA RKHKSTARAF LKRVDSEFFQ
     EFFTEEGGFI SLIFPRASFA LRRLYSGRVW YLDIIFINGL SNHE