ID   MATK_CHIAL              Reviewed;         505 AA.
AC   Q5GGS4;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, 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   Chiococca alba (West Indian milkberry) (Lonicera alba).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Gentianales; Rubiaceae; Cinchonoideae; Chiococceae;
OC   Chiococca.
OX   NCBI_TaxID=28527;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Andersson L., Antonelli A.;
RT   "Phylogeny of the tribe Cinchoneae (Rubiaceae), its position in
RT   Cinchonoideae, and description of a new genus, Ciliosemina.";
RL   Taxon 54:17-28(2005).
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; AY538378; AAT40592.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q5GGS4; -.
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..505
FT                   /note="Maturase K"
FT                   /id="PRO_0000143331"
SQ   SEQUENCE   505 AA;  59736 MW;  CBCF08CF5C718A08 CRC64;
     MEEIQRYLQL DRSQQHDFLY PLIFQEYIYA LAHHHSLNRS ILLENPDYDN QLSFLIVKRL
     ITRMYQQNHF IIFANDSNQN PFFGRNNNLY SQTISEGFSF IVEIPFYIRL IPSQAGKGIL
     KSYNLRSIHS LFPFLENNFS HLNSVLDILI PRSVHLEILV QNLRYWVKDV SSLHLLRFLF
     RESWNCNPLI ATKKRGFGFE PKRSQRLLFF LYNSHVCEYE SIFVFLRNQS SHLRSTSFGV
     FLERIYFYGK IERLVEVFAK DFRASLWLFK DPFMHYVRYQ GKSILVSKGT PLLMNKWKYY
     LVNFWQSYFD LWVHSGRVYI NQLPNHSLNF IGYLSSVRLN PSMVRSQMLE NSFLINNAIK
     KLDTLVPIVP LIGSLAKAKF CNLLGHPISK PAWAGLSDSD IIDRFGQICR NLSHYHSGSS
     KKKSLYRIKY ILRLSCAKTL ARKHKSTVRA FLKRLGSEFL EEFLTLEEEV LSLTFPRASS
     TFRGEYRSRI WYLDIIYIND LTNFQ