ID   MATK_THUOC              Reviewed;         509 AA.
AC   Q9MSS3;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 54.
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   Thuja occidentalis (Northern white-cedar) (Arborvitae).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers II; Cupressales; Cupressaceae;
OC   Thuja.
OX   NCBI_TaxID=3317;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=10898782; DOI=10.2307/2657004;
RA   Gadek P.A., Alpers D.L., Heslewood M.M., Quinn C.J.;
RT   "Relationships within Cupressaceae sensu lato: a combined morphological and
RT   molecular approach.";
RL   Am. J. Bot. 87:1044-1057(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; AF152214; AAF25767.1; -; Genomic_DNA.
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..509
FT                   /note="Maturase K"
FT                   /id="PRO_0000143735"
SQ   SEQUENCE   509 AA;  60993 MW;  47527885AC641A05 CRC64;
     MDEFQRNSNX HRXWQQLFLY PLFFREDLYA IAHDHHLDRS GSSEPTEIFF SHFFSFLTVK
     RSIRRIRKQN KSISLFGNSD SNKLIEYNKN FSFKSMLEGF TIVLEVSIAM TSKHFIKGMD
     GWNSLRSIHC IFPFMEDKLP HSNYISDIRV PYSIHPEILV RIFRRWIRDV PSLHLLRLIL
     HEWKNSFSQE NLEKVLITQR GNTRFSLFLW NSYVYECESF LIPLIKRFFN PQSLLYGSFP
     DRTHFEKKIK DIVIFPLQKI SPKXIWLLKD SFIHYVRYGE RSLIALKGTH LQVKKCRYHL
     FHFWQYYFHL WFQPYRICSL ELSKTSFSFL GFFLNVKMRP LVVRAKMLDD LFITDLITNE
     LNPIAPIRSI LFSLAKEKFC DISGWPISKL SWTSLSDDDI LDRFDRIWIN LFHYYSGSIN
     QDGLYHIKYI LLLSCAKTLA CKHKSTIRVV REQLGSELFT NSFSKEREFI SSSFSKTRSQ
     RERIWNSEIS QRNPLXXFWQ KMENKQIEN