ID   MATK_PHYPA              Reviewed;         505 AA.
AC   Q6YXN6;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, 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   Physcomitrium patens (Spreading-leaved earth moss) (Physcomitrella patens).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Bryophyta;
OC   Bryophytina; Bryopsida; Funariidae; Funariales; Funariaceae; Physcomitrium.
OX   NCBI_TaxID=3218;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Gransden 2004;
RX   PubMed=12954768; DOI=10.1093/nar/gkg726;
RA   Sugiura C., Kobayashi Y., Setsuyuki A., Sugita C., Sugita M.;
RT   "Complete chloroplast DNA sequence of the moss Physcomitrella patens:
RT   evidence for the loss and relocation of rpoA from the chloroplast to the
RT   nucleus.";
RL   Nucleic Acids Res. 31:5324-5331(2003).
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; AP005672; BAC85060.1; -; Genomic_DNA.
DR   RefSeq; NP_904210.1; NC_005087.1.
DR   AlphaFoldDB; Q6YXN6; -.
DR   GeneID; 2546810; -.
DR   KEGG; ppp:2546810; -.
DR   InParanoid; Q6YXN6; -.
DR   OrthoDB; 462131at2759; -.
DR   Proteomes; UP000006727; Chloroplast.
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; Reference proteome; RNA-binding;
KW   tRNA processing.
FT   CHAIN           1..505
FT                   /note="Maturase K"
FT                   /id="PRO_0000143593"
SQ   SEQUENCE   505 AA;  61702 MW;  B7B551E16D0E0423 CRC64;
     MEKLKKNKKK LIWQQRFLYP LLFQNDFYAL AYNHSLNKFN LKKIENSNLN KHFSFLTLKR
     LVKRIRRKRN IEELNKNYNK IFDINYNNYF YSKVIREGLA IILENFFLVQ SKKKIVKKFT
     EWTNYQSIHT VFPFIEDNFL HSNYILNTKI PSLIHPELLI RILRRRIQDA SFSHLLRLIF
     HKNKKLVTLN IFSQREITKL SIFLWHSYIY ELEFFLVNQW KTLNYFKSLS YLISLNKTYC
     ITKIQHVIKK PLDIKLQFFY KKKMSFHYVR YENHFIIAIK NSNFLAEKWK FFFYKFWQYY
     FYYLFKLSRI NLKKISKNCF SFLGYVFGIQ TKSIIVKSNM IHTLSKINIS RKEIYSITPI
     SSLIELLAKE NFCDTLGHPI SKLAWTTLTD DEIFNRFDQI WRNFFYYYSG CKNKKNLYQV
     QYILRFSCAK TLACKHKSTI RYVWKKYGSN FFAKSFFFKK QELISLKFFK LYPSIKKIWY
     LNILQINALA KLLQKKILKT NRLNI