ID   MATK_CITSI              Reviewed;         509 AA.
AC   Q09MJ7;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 45.
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   Citrus sinensis (Sweet orange) (Citrus aurantium var. sinensis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Sapindales; Rutaceae; Aurantioideae; Citrus.
OX   NCBI_TaxID=2711;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Osbeck var. Ridge Pineapple;
RX   PubMed=17010212; DOI=10.1186/1471-2229-6-21;
RA   Bausher M.G., Singh N.D., Lee S.-B., Jansen R.K., Daniell H.;
RT   "The complete chloroplast genome sequence of Citrus sinensis (L.) Osbeck
RT   var 'Ridge Pineapple': organization and phylogenetic relationships to other
RT   angiosperms.";
RL   BMC Plant Biol. 6:21-21(2006).
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; DQ864733; ABI49001.1; -; Genomic_DNA.
DR   RefSeq; YP_740456.1; NC_008334.1.
DR   AlphaFoldDB; Q09MJ7; -.
DR   GeneID; 4271242; -.
DR   KEGG; cit:4271242; -.
DR   OrthoDB; 462131at2759; -.
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..509
FT                   /note="Maturase K"
FT                   /id="PRO_0000355923"
SQ   SEQUENCE   509 AA;  59746 MW;  C2E0ED420471B0D0 CRC64;
     MEEFQVYLEL DRSQQHDFLY PLLFREYIYV LAHDHGLNSS MMSLEGGFYD NKSSSLSVKR
     LITRMYQRIN LSIAANDSNQ NPIFGHNNKL YSQIISEVFA AVVEIPFSLR LVAFLEGKEI
     EKSPNFQSIH SIFPFFEDKL SHLNYVLDVR IPYPICPEIL VQTLREWVKD ASSLHLLRFF
     LHEYFNSNSL ITPKNSISVF LKSNPRLLLF LYNSHVYEYE SILFFLCNQS SHLQSTSFQV
     LVERTYFYGK VEHLVEVFAK DFQDILGLVK DPFMHYVRYQ GKSILASKDT PLLMNKWKYY
     LVGLWQWHFH ASSQPGRVQL NHLYLGKYAI NFLGYLSGVR LNSLLVRSQM LENSFLIDNS
     MKKVDTTVPI IHLIGSLTKA RFCNALGHPI SKSTWSDFSD SHLIDRFVRI CRNLSHYYSG
     SSKKKSLYRV KYILRLSCVK SLVRKHKSTV RAFLKRLGSE LLEEFLMEEE HVLALLFPRA
     SSTSRRFYLY RGRIWYLDIF CINDLVNYQ