ID   MATK_CYPCL              Reviewed;         516 AA.
AC   Q6J9Z4;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 46.
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   Cypripedium calceolus (Yellow lady's slipper) (Lady's slipper orchid).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Asparagales; Orchidaceae;
OC   Cypripedioideae; Cypripedium.
OX   NCBI_TaxID=53038;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Kocyan A., Qiu Y.-L., Endress P.K., Conti E.;
RT   "A phylogenetic analysis of Apostasioideae (Orchidaceae) based on ITS,
RT   trnL-F and matK.";
RL   Plant Syst. Evol. 247:203-213(2004).
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; AY557208; AAT45849.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6J9Z4; -.
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..516
FT                   /note="Maturase K"
FT                   /id="PRO_0000143352"
SQ   SEQUENCE   516 AA;  61706 MW;  2A8A4817B07CB6B7 CRC64;
     MYVNGRILRI LKFKKDGFRQ QNFLYPLLLQ EYIYSLAHDH NFNSFFFYKP VEIFGYDNKS
     SLVLVKRLIT RMYQQNSLIS SVNYSNQKGF WGHKNFFFSN FYSQMVSEGF GVILEIPFSS
     QLVSSLEEKK IPKSQNLRSI HSIFPFLEDK FLHLNYVSDL LIPHPIHLEI LVQILQCWIK
     DVPSLHLLRL LFHEYHYFNS LITSKKSIYA FSRIKKRFLW FLYNSYVYEC EYLFHFLRKQ
     SSYLRSTSSG VFLERTHFYV KIEHLIVVCC NSFHRILCFL KDPFMHYVRY QGKAILASKG
     TLILMKKWKF HLVNFWQSYL HFWSQPYRIH IKQLYNYSFS FLGYFSSVLE NHLVVRNQML
     ENSFLINIMT KKLDTIAPVI SLIGSLSKAQ FCTVLGHPIS KPIWTDLSDS DILDRFCRIC
     RNLCRYHSGS SKKKVLYRIK YILRFSCART LARKHKSTVR TFMRRLGSGL LEEFFMEEEV
     LSLIFLQKIP FPLHGSHRDR IWYLDIIHIN DLVDHS