ID   MATK_PICMA              Reviewed;         515 AA.
AC   O63072;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1998, sequence version 1.
DT   25-MAY-2022, entry version 63.
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}; Synonyms=ycf14;
OS   Picea mariana (Black spruce) (Abies mariana).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Picea.
OX   NCBI_TaxID=3335;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   AGRICOLA=IND22025547; DOI=10.1007/s001220051206;
RA   Germano J., Klein A.S.;
RT   "Species-specific nuclear and chloroplast single nucleotide polymorphisms
RT   to distinguish Picea glauca, P. mariana and P. rubens.";
RL   Theor. Appl. Genet. 99:37-49(1999).
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; AF133919; AAD21645.1; -; Genomic_DNA.
DR   EMBL; AF133920; AAD21646.1; -; Genomic_DNA.
DR   EMBL; AF133921; AAD21647.1; -; Genomic_DNA.
DR   EMBL; AF133922; AAD21648.1; -; Genomic_DNA.
DR   AlphaFoldDB; O63072; -.
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_0000143597"
SQ   SEQUENCE   515 AA;  60952 MW;  6DAA84436C433F99 CRC64;
     MDEFHRYGKE DSSWQQCFLY PLFFQEDLYA ISHDHYLDGS SSSEPMEHLS SNDQFSFLTV
     KRLIGQIRQQ NHSIVLFVNC DPNPLVDRKK SSYSESVLEG LTLVLEVPFS IRSKYSVEGM
     NEWKSFRSIH SIFPFLEDKF PHSNYVSDTR IPYSIHPEIL VRTFRRWIGD APSLHPLRSI
     LYEYRNSSES LQRSIIVVPK VNTRFFLFLW NNYVYECESI LVSLLKRSSH SRSLSHGSFP
     QRTHFHRKIK NIFLFSRRNS FQSIWSLKDP NIHYVRYGER SIIAIKGTHL LVKKYRYYLP
     IFRQCYFHLW NEPYRVCFHQ LSKNCSSSLG YFLRVRMKPL LVKTKMLDEL FIADLITDEF
     DPIVPIVPII GLLSREKFCD ISGRPISKLS WTSLTDDDIL DRFDRIWRNI FHYYSGSFGR
     DGLYRIKYIL SLSCAKTLAC KHKSTIRVVR KELGPELFKK SFSKERELDS PPFSSKAAAR
     SQRERIWHSD IPQINPLAHS WQKIQDLKIE NLFDQ