ID   MATK_AVESA              Reviewed;         511 AA.
AC   Q9MUZ6;
DT   17-JAN-2003, 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   Avena sativa (Oat).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Poodae; Poeae; Aveninae; Avena.
OX   NCBI_TaxID=4498;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Hilu K.W., Alice L.A., Liang H.;
RT   "Phylogeny of Poaceae inferred from matK sequences.";
RL   Ann. Mo. Bot. Gard. 86:835-851(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; AF164395; AAF66182.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9MUZ6; -.
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..511
FT                   /note="Maturase K"
FT                   /id="PRO_0000143270"
SQ   SEQUENCE   511 AA;  61154 MW;  6060272A38AAAF48 CRC64;
     MEKFEGYSEK HKSCQQYFVY PLLFQEYIYA FAHDYGLNDS EPVEIISCNN KKFSSLLVKR
     LITRMYQQNF WINSINHPNQ DRLLDYKIGF YSEFYSQILP EGFSIVVEIP FSLRELSCPK
     EKEIPKFQNL RSIHSIFPFL EDKFLHLDSI SHIEIPYPIH LEILVQLLQY RIQDVPSLHL
     LRFFLNYYSN WNSFITSMKS IFLFKKENKR LFRFLYNSYV SEYEFLLVFL RKQSSCLPLS
     SSGTFLERII FSRKMEHIGI MYPSFFRKTI WFVMDPLMHY VRYQGKAILA SKGTHFLNKK
     WKWYLINLWQ YLFSFWTQPR RVHLNQLANS CFDFLGYLSG VPKSSLLVRN QMLENLFLID
     TRMKKLDTIV PVTALIGYLS KAQFCTGSGH PISKPIWTDL SDWDILDRFG RICRNLFHYH
     SGSSKKQTLY RLKYILRLSC ARTLARKHKS TVRTFMQRLG SAFLEEFFTE QELVFSLMFT
     KTSLFSFRGS HSERIWYFDI IRINDLVKPL N