ID   MATK_NASOF              Reviewed;         504 AA.
AC   A4QLR4;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 2.
DT   25-MAY-2022, entry version 38.
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   Nasturtium officinale (Watercress) (Rorippa nasturtium-aquaticum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Cardamineae; Nasturtium.
OX   NCBI_TaxID=65948;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Hosouchi T., Tsuruoka H., Kotani H.;
RT   "Sequencing analysis of Nasturtium officinale chloroplast DNA.";
RL   Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAF50619.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AP009376; BAF50619.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; YP_001123795.2; NC_009275.1.
DR   AlphaFoldDB; A4QLR4; -.
DR   GeneID; 4962118; -.
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..504
FT                   /note="Maturase K"
FT                   /id="PRO_0000355949"
SQ   SEQUENCE   504 AA;  60358 MW;  D0A3F92B35E1C844 CRC64;
     MEKFQGYSEF DGARQQSFLY PLFFREYIYV LAYDHGLNRL NRNRSIFLEN ADYDKKYSSL
     IVKRLILRMY EQNRLIIPTK DLNQNHFLGH ISLFYYQMIS VLFAVIVEIP FSLRLGSSFE
     GKQFKKSYNL QSIHSIFPFL EDKFSHFNYV LDVVIPYPIH LEILVQILRY RVKDASSLHF
     FRFCLYEYCN CKNFYIKKKS ILNPRFFLFL YNSHVCEYES IFFFLRKRSS HLRSISYKVL
     FERILFYGKI QHFFKVFVNN FPAILGLLKD PFIHYVRYHG RSILATKDTP LLMNKWKYYF
     VNLWQCYFSV WFQSQKVNIN QLSKDNLEFL GYLSSLRLNP LVVRSQMLEN AFLIHNVRIK
     LDSIIPMSSI IGSLAKDKFC NVLGHPISKA IWTDSSDSDI LNRFVRICRN ISHYYSGSSQ
     KKNLYRIKYI LRLCCVKTLA RKHKSTVRAF LKRLGSGLLE EFLTGEDQVL SLIFPRSYYA
     SKRLYRVRIW YLDILYLNDL VNHE