ID   MATK_HELBU              Reviewed;         515 AA.
AC   Q9XPN6;
DT   17-JAN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1999, 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   Helonias bullata (Swamp pink).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Liliales; Melanthiaceae;
OC   Helonias.
OX   NCBI_TaxID=50364;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   TISSUE=Leaf;
RA   Kazempour Osaloo S., Utech F.H., Ohara M., Kawano S.;
RT   "Molecular systematics of Trilliaceae I. Phylogenetic analyses of Trillium
RT   using matK gene sequences.";
RL   J. Plant Res. 112:35-49(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; AB017375; BAA36791.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9XPN6; -.
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_0000143418"
SQ   SEQUENCE   515 AA;  61546 MW;  D6C14A5AB0DA468F CRC64;
     MEELQGYLEK DRSRQQHFLY PLLFQEYIYT LAYDHGLNGS IFYEPMEILS YDNKSSSVLV
     KHLITRMYQQ NYLIYSINDS SQNRFVGHNN YFYSHFYSQM VSEGFAVIAE IPFSMRLVPS
     FEEKEIPKSQ NLRSIHSIFP FLEDKLSHLN YVLDILIPYP IHLEILVQIL QCRIQDVPSL
     HLLRLFLHEY HNWRSFITSN KSIYVFSKEN KRLFRLLYNS YVSEYEFLFI YIRKQSYNLR
     PTSSRAFLER IHFYVKIEHF IIVCHNYFQK TLRFFKDSFM HYIRYQGKAI LASRGTYLLI
     KKWKCYLVNF WQYYLYFWSK PYRIHINQLS NYSFYFMGYI SSVLINPSAV KNQMLENLFL
     VDTVTKKFDT IVPVIPLIGS LSKAKFCTVA GHPISKPVWA DLSDSDIIER FGRICRNLSH
     YHSGSSKKQS LYRIKYILRL SCARTLARKH KSTVRNLLQR LDSGLLEEFF TEEEQVICLI
     LPKTTLFTLH GSHGERIWYL DIIRIDDLAN SLDWS