ID   RF1_METKA               Reviewed;         409 AA.
AC   Q8TXB5;
DT   02-AUG-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   25-MAY-2022, entry version 90.
DE   RecName: Full=Peptide chain release factor subunit 1 {ECO:0000255|HAMAP-Rule:MF_00424};
DE   AltName: Full=Translation termination factor aRF1 {ECO:0000255|HAMAP-Rule:MF_00424};
GN   Name=prf1 {ECO:0000255|HAMAP-Rule:MF_00424}; Synonyms=erf1;
GN   OrderedLocusNames=MK0759;
OS   Methanopyrus kandleri (strain AV19 / DSM 6324 / JCM 9639 / NBRC 100938).
OC   Archaea; Euryarchaeota; Methanopyri; Methanopyrales; Methanopyraceae;
OC   Methanopyrus.
OX   NCBI_TaxID=190192;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AV19 / DSM 6324 / JCM 9639 / NBRC 100938;
RX   PubMed=11930014; DOI=10.1073/pnas.032671499;
RA   Slesarev A.I., Mezhevaya K.V., Makarova K.S., Polushin N.N.,
RA   Shcherbinina O.V., Shakhova V.V., Belova G.I., Aravind L., Natale D.A.,
RA   Rogozin I.B., Tatusov R.L., Wolf Y.I., Stetter K.O., Malykh A.G.,
RA   Koonin E.V., Kozyavkin S.A.;
RT   "The complete genome of hyperthermophile Methanopyrus kandleri AV19 and
RT   monophyly of archaeal methanogens.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:4644-4649(2002).
CC   -!- FUNCTION: Directs the termination of nascent peptide synthesis
CC       (translation) in response to the termination codons UAA, UAG and UGA.
CC       {ECO:0000255|HAMAP-Rule:MF_00424}.
CC   -!- SUBUNIT: Heterodimer of two subunits, one of which binds GTP.
CC       {ECO:0000255|HAMAP-Rule:MF_00424}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00424}.
CC   -!- SIMILARITY: Belongs to the eukaryotic release factor 1 family.
CC       {ECO:0000255|HAMAP-Rule:MF_00424}.
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DR   EMBL; AE009439; AAM01973.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8TXB5; -.
DR   SMR; Q8TXB5; -.
DR   STRING; 190192.MK0759; -.
DR   EnsemblBacteria; AAM01973; AAM01973; MK0759.
DR   KEGG; mka:MK0759; -.
DR   PATRIC; fig|190192.8.peg.799; -.
DR   HOGENOM; CLU_035759_3_0_2; -.
DR   OMA; GQEMEVV; -.
DR   Proteomes; UP000001826; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016149; F:translation release factor activity, codon specific; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.30.1330.30; -; 1.
DR   Gene3D; 3.30.420.60; -; 1.
DR   Gene3D; 3.30.960.10; -; 1.
DR   HAMAP; MF_00424; Rel_fact_arch_1; 1.
DR   InterPro; IPR042226; eFR1_2_sf.
DR   InterPro; IPR005140; eRF1_1_Pelota.
DR   InterPro; IPR024049; eRF1_1_sf.
DR   InterPro; IPR005141; eRF1_2.
DR   InterPro; IPR005142; eRF1_3.
DR   InterPro; IPR029064; L30e-like.
DR   InterPro; IPR020918; Peptide_chain-rel_aRF1.
DR   InterPro; IPR004403; Peptide_chain-rel_eRF1/aRF1.
DR   PANTHER; PTHR10113; PTHR10113; 1.
DR   Pfam; PF03463; eRF1_1; 1.
DR   Pfam; PF03464; eRF1_2; 1.
DR   Pfam; PF03465; eRF1_3; 1.
DR   SMART; SM01194; eRF1_1; 1.
DR   SUPFAM; SSF55315; SSF55315; 1.
DR   SUPFAM; SSF55481; SSF55481; 1.
DR   TIGRFAMs; TIGR03676; aRF1/eRF1; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..409
FT                   /note="Peptide chain release factor subunit 1"
FT                   /id="PRO_0000143175"
SQ   SEQUENCE   409 AA;  46485 MW;  738B2908F1F6140D CRC64;
     MAESSTVERY RFRKMIERLE NLRGQGTELI TIYIPPENRL SDVIAQMREE YSQASNIKSK
     RTRKNVQSAI EVVMQRLKMV GETPENGLVV LVGTVQDGTK EKMVAELIEP PEPVDRFIYR
     CDSKFYLEPL KEYLEEKDVY GILVMDRREA TIGLVKGKRI EPVKRLTSDV PGKHKAGGQS
     QRRFDRLIEH AAHEFYQKVG EAAREAFEDV KDLKGIIVGG PGPTKEEFLD GDYLPKDLKE
     KVLTVVDVGN TDESGLREAL NKAEEALKEA ELVREKRLVR KFMEEAVNGE LAAYGEEVDE
     LLKMGAVEVL LVSEDLEGYK VILRCPECGY ENIVTVKEKD EAKKYVEECP ECGEAELNVE
     EIKDIVDYYV ELAEQMGSNV EIISTETEEG AQFYNAFRGL GALLRFRPK