ID   MATK_POPAL              Reviewed;         510 AA.
AC   Q14FH5;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   25-MAY-2022, entry version 39.
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   Populus alba (White poplar).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Salicaceae; Saliceae; Populus.
OX   NCBI_TaxID=43335;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Okumura S., Yamashita A., Kanamoto H., Hattori M., Takase H., Tomizawa K.;
RT   "Complete structure of the chloroplast genome of Populus alba.";
RL   Submitted (MAR-2005) 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}.
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DR   EMBL; AP008956; BAE97187.1; -; Genomic_DNA.
DR   RefSeq; YP_665540.1; NC_008235.1.
DR   AlphaFoldDB; Q14FH5; -.
DR   GeneID; 4178225; -.
DR   KEGG; palz:4178225; -.
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..510
FT                   /note="Maturase K"
FT                   /id="PRO_0000355959"
SQ   SEQUENCE   510 AA;  61039 MW;  9124450D712CA76A CRC64;
     MKIEKSQRNL EIDRSRKNDF LYPLIFREYI YTFAHDRDLN RSILLENVSY DNKYSLLIVK
     RLITRMYQQN HLIISANDSN QNTFFRYNKN LYFQMISEGF AVIVEIPFSL RLVSSLERSE
     IVKSHNLRSI HSIFPFLEGK FPHLNYLSEG LIPYPIHLEK LVQILRYWVK DPSSLHLLRL
     FLHEYWNLNS LIIPKKSISF FVKKNQRFFL FLYNSHVYEY ESVFFFLCKQ SFHFRLTFYQ
     VFLERIYFYG KIEHFVEVFT KDWGDSLCLL KDPFIHYIRY QGKSIFVSKD TPLLMKKWKY
     YLVNLCQCHF DVCFQPQKIH INPFSLYKHS FALLGYLSSS SVRLNLSVVR SQMLENAFLM
     DNIMNKLDTT VSIIPLIGSL AKMKFCNAVG HPISKPTWAD FSDSDIIDRF VRICRNLSHY
     YSGSSRKKSL YRIKYILRLS CVKTLARKHK STVRIFLKRL GSELLEEFFT EEEQIIFLIF
     PRASSISQKL YRGRVWYLDI ICINELSNHE