ID   MATK_SPIPO              Reviewed;         510 AA.
AC   Q8WHM6;
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   Spirodela polyrhiza (Giant duckweed) (Lemna polyrhiza).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Araceae; Lemnoideae; Spirodela.
OX   NCBI_TaxID=29656;
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; AY034184; AAK61555.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8WHM6; -.
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..510
FT                   /note="Maturase K"
FT                   /id="PRO_0000143720"
SQ   SEQUENCE   510 AA;  60218 MW;  0EE06E0143F42BFF CRC64;
     MEEFKGYLQK GGFKQQHFLY PLLFQEYIYV LAHDHGLNVN ASTFNEPSEI SGYDNKSSLL
     LVKRLITRIY QQNSLIHSVN DSNQNIFVGH NKNFYYQMIS EGFAIVVEIP FSLRLVSSFK
     EKKEIPKSQN LRSIHSIFPF LEDKFAHLNY VSDILIPYPV HLEILVQILQ CWIQDVPSLH
     LLRFLFHQYH NGNNCITPKK SSYGFSKDNP RLYRFLYNSY VVEYESIFVF LRKSSSYLRS
     TSFGTLLERT YFYGKMKNIG VTHSNNFQKT LWLFKDPFMH YVRYQGKSIM ASKGTHLLMK
     KWKSYFVNLW QCHFHFWSQP SRIHINQFSH FSFYFLGYLS SVPRNRSSVT TQMLENSFLI
     ETVTKKFETM VSIIPMIGSL SKAKFCNLSG NPISKPVWAD LSDLDIIDRF GRICRNLSHY
     YSGSSKKQSL YRIKYILRLS CARTLARKHK STVRAFLQRL GSEFLEEFFM EEEKVLSLIL
     PRTSYPLHKL YRAPIWYLDI IRINDLVNNL