ID   MATK_PINBN              Reviewed;         515 AA.
AC   Q9MV60;
DT   17-JAN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 58.
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   Pinus banksiana (Jack pine) (Pinus divaricata).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Pinus;
OC   Pinus subgen. Pinus.
OX   NCBI_TaxID=3353;
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; AF143427; AAF69182.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9MV60; -.
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..515
FT                   /note="Maturase K"
FT                   /id="PRO_0000143605"
SQ   SEQUENCE   515 AA;  60943 MW;  AE96422F761960D2 CRC64;
     MDEFHRCGKE DSFWQQCFLY PLFFKEDLYA ISHDHYLDVS SSSRPMEHLS SNDQLSFLTV
     KRLIGQIRKQ NHSIVLFVNC DPNPLADRKK SSYSESVLEA LTLVLEVPFS IWSKYSVEGM
     NESKSFRSIH SIFPFLEDKF PHSNSILDAR IPYSIHPEIL VRTFRRWIRD APSLHPLRSV
     LYEYRNSTEN LQRSIIVVPR VNTRFFLFLW NYYVCECESI LFSRLKRSSH SRSLSHGSFP
     QRTHFHRKIK HIIIFSRRNS LKSIWSLKDP KIHYVRYGER PIIAIKGAHL LVKKCRYYLL
     IFRQFYFHLW SEPYRVCSHQ LSKNCSSSPG YFLRVRMNPI LVRTKMLDEL FIADLITDEI
     DPIVPIVPII GLLATEKFCD ISGRPISKLS WTSLTDDDIL DRFDQIWRNL FHYYSGSFDR
     DGLYRIKYIL SLSCAKTLAC KHKSTIRVVR KELGPELFKK SFSKEREFDS LRFSSKAAAR
     SQRERIWHSD IPQINPLANS WQKIQDLKIE NLFDQ