ID   MATK_LEMAE              Reviewed;         512 AA.
AC   Q8WHM0;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   25-MAY-2022, entry version 53.
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   Lemna aequinoctialis (Lesser duckweed).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Araceae; Lemnoideae; Lemna.
OX   NCBI_TaxID=89585;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   AGRICOLA=IND23289763;
RA   Les D.H., Crawford D.J., Landolt E., Gabel J.D., Kimball R.T.;
RT   "Phylogeny and systematics of Lemnaceae, the duckweed family.";
RL   Syst. Bot. 27:221-240(2002).
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; AY034190; AAK61561.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8WHM0; -.
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..512
FT                   /note="Maturase K"
FT                   /id="PRO_0000143464"
SQ   SEQUENCE   512 AA;  60587 MW;  6FD78176D026DE40 CRC64;
     MEEFKGYLQK GGFKQQHFLY PLLFQEYIYA LAHDQGLNVN ASTFTEPPEI SGYHNKYSSL
     LVKRLIKRIY QQNRFIYSVT NSKQNRFVGH NNHFYSQMIS EGFSSVVEIP FSPRLVSSLK
     KKKEIPKYQN LRSIHSLFPF LEDKFTHLTY VSDILIPYPV HLEILVQILQ CWIQDVPTLH
     LLRLLFHEYH NGNNSITPNK STYGFSKDNP RLYRFLYNSY VVECESIFLF LRKSSSYLRS
     RSFGPLLERT QFYGKMKHIG VTCCNDFHKS LCLFKDPFMH YVRYQGKSIM ASKGTDFLMK
     KWKSYFVNLW QYRFHFWSEP SRIHINQFPH FSFYFLGYLS SVPINLSYAK SQMLENSFLI
     ETFTQKFETM ISIIPMIGSL AKAKFCNLSG NPISKPAWAD LSDSDIIDRF GRIYRNLSHY
     YSGSSKKQTL YRIKYILRLS CARTLARKHK STVRAFLQRL GSEFFEEFFM EEEKVLSLIL
     ARTSYSSHQL SREPVWYLDI VRINDLVNHL DL