ID   MATK_CYCPA              Reviewed;         519 AA.
AC   Q9MV47;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 56.
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   Cycas panzhihuaensis (Dukou cycad) (Cycas baguanheensis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Cycadidae; Cycadales; Cycadaceae; Cycas.
OX   NCBI_TaxID=123604;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=10779538; DOI=10.1093/oxfordjournals.molbev.a026356;
RA   Wang X.Q., Tank D.C., Sang T.;
RT   "Phylogeny and divergence times in Pinaceae: evidence from three genomes.";
RL   Mol. Biol. Evol. 17:773-781(2000).
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; AF143440; AAF69195.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9MV47; -.
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..519
FT                   /note="Maturase K"
FT                   /id="PRO_0000143350"
SQ   SEQUENCE   519 AA;  62268 MW;  FE1295D44E3F3349 CRC64;
     MDKFRRNGKE DTFRQRRFLY PLLFQENLYA IAYDHYLSRS SSFESMENSS YNDRFSFLTV
     KRLISRIRQQ NGSIVSFGNY NQNKNKLVGH NRNFYSELVL EGLTVVLEVT FSIQSKHYLE
     GMNEWNSFRS IHSIFPFMED KIPHSNFLLD IRIPHSTHPE ILVRTFRYWI QDAPSLHSLR
     SVLHEHRNLI LSENLDQLIL IASKEKTRLS LFLWNYYVYE CESLLVPLWK RFSYSRSLSY
     GAFLERTTFY RKIEHIVIFS HKSIKDLKKR IWFLKDPSIH YVKDRERFLI ALRGTYLLVK
     KWRYHLTNFW QCHFHLRSQP YRISIDELSK NCFSFLGYLF SVQMKTFVVK IKMLDDSFIT
     DPITKEFDPI APTTLLIGYL AKERFCDISG RPTGRLAWTG LTDDNILHRF DRIWRNILHY
     YSGSSKKDGL YRMKYILRLP CAKTLACKHK SAIRVVRERF GSELFTKSSP KERELISLSF
     SKTRSQRERI WHSDILQRNP FCNSWRNKQN LQVETPFDR