ID   MATK_WHEAT              Reviewed;         511 AA.
AC   P58271;
DT   26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2008, sequence version 3.
DT   03-AUG-2022, entry version 69.
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   Triticum aestivum (Wheat).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Triticinae; Triticum.
OX   NCBI_TaxID=4565;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Chinese Spring;
RA   Ogihara Y., Isono K., Kojima T., Endo A., Hanaoka M., Shiina T.,
RA   Terachi T., Utsugi S., Murata M., Mori N., Takumi S., Ikeo K., Gojobori T.,
RA   Murai R., Murai K., Matsuoka Y., Ohnishi Y., Tajiri H., Tsunewaki K.;
RT   "Chinese spring wheat (Triticum aestivum L.) chloroplast genome: complete
RT   sequence and contig clones.";
RL   Plant Mol. Biol. Rep. 18:243-253(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   -!- RNA EDITING: Modified_positions=420 {ECO:0000250};
CC   -!- SIMILARITY: Belongs to the intron maturase 2 family. MatK subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01390}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAB47015.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; AB042240; BAB47015.1; ALT_SEQ; Genomic_DNA.
DR   RefSeq; NP_114240.2; NC_002762.1.
DR   AlphaFoldDB; P58271; -.
DR   STRING; 4565.EPlTAEP00000010078; -.
DR   PRIDE; P58271; -.
DR   GeneID; 803196; -.
DR   KEGG; taes:803196; -.
DR   eggNOG; ENOG502QWRZ; Eukaryota.
DR   Proteomes; UP000019116; 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 editing;
KW   RNA-binding; tRNA processing.
FT   CHAIN           1..511
FT                   /note="Maturase K"
FT                   /id="PRO_0000143770"
SQ   SEQUENCE   511 AA;  61392 MW;  72C34E2C89AC4C7A CRC64;
     MEKFEGYSEK HKSRQQYFVY PLLFQEYIYA FAPDYGLNGS EPVEIVGCNN KKFSSLLVKR
     LIIRMYQQNF LDNSVNHPNQ DRLLDYKNYF YSEFYSQILS EGFAIVVEIP FSLRELFCPK
     EKEIPKFQNL RSIHSIFPFF EDKFLHLDYL SHIEIPYPIH LEILVQLLQY RIQDVPSLHL
     LRFLLNYYSN WNSFITSMKS IFIFKKENKR LFRFLYNSYV SEYEFFLLFL RKQSSCLPLA
     SSGTFLERIH FSRKMEHFGI MYPGFSRKTL WFFMDPLMHY VRYQGKAILA SKGTFLLKKK
     WKCYLINLWQ YYFCFWTQPR RIHINQLANS CFDFMGYLSS VPKSSLLVRN QMLENSFLID
     TRMKKFDTIV HATLLIGYLS KAQFCTGSGH PISKPIWTDL SDWDILDRFG RICRNLFHYY
     SGSSKKKTLY RLKYILRLSC ARTLGPKHKS TVRAFMQWLG SVFLEEFFRE EEQVFSLMFA
     KTTYFSFRGS HSERIWYLDI LRINDLVNPL N