ID   PRMC_COXBU              Reviewed;         277 AA.
AC   Q83AD8;
DT   14-DEC-2011, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Release factor glutamine methyltransferase {ECO:0000255|HAMAP-Rule:MF_02126};
DE            Short=RF MTase {ECO:0000255|HAMAP-Rule:MF_02126};
DE            EC=2.1.1.297 {ECO:0000255|HAMAP-Rule:MF_02126};
DE   AltName: Full=N5-glutamine methyltransferase PrmC {ECO:0000255|HAMAP-Rule:MF_02126};
DE   AltName: Full=Protein-(glutamine-N5) MTase PrmC {ECO:0000255|HAMAP-Rule:MF_02126};
DE   AltName: Full=Protein-glutamine N-methyltransferase PrmC {ECO:0000255|HAMAP-Rule:MF_02126};
GN   Name=prmC {ECO:0000255|HAMAP-Rule:MF_02126}; Synonyms=hemK;
GN   OrderedLocusNames=CBU_1964;
OS   Coxiella burnetii (strain RSA 493 / Nine Mile phase I).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales; Coxiellaceae;
OC   Coxiella.
OX   NCBI_TaxID=227377;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RSA 493 / Nine Mile phase I;
RX   PubMed=12704232; DOI=10.1073/pnas.0931379100;
RA   Seshadri R., Paulsen I.T., Eisen J.A., Read T.D., Nelson K.E., Nelson W.C.,
RA   Ward N.L., Tettelin H., Davidsen T.M., Beanan M.J., DeBoy R.T.,
RA   Daugherty S.C., Brinkac L.M., Madupu R., Dodson R.J., Khouri H.M.,
RA   Lee K.H., Carty H.A., Scanlan D., Heinzen R.A., Thompson H.A., Samuel J.E.,
RA   Fraser C.M., Heidelberg J.F.;
RT   "Complete genome sequence of the Q-fever pathogen, Coxiella burnetii.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:5455-5460(2003).
CC   -!- FUNCTION: Methylates the class 1 translation termination release
CC       factors RF1/PrfA and RF2/PrfB on the glutamine residue of the
CC       universally conserved GGQ motif. {ECO:0000255|HAMAP-Rule:MF_02126}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-glutaminyl-[peptide chain release factor] + S-adenosyl-L-
CC         methionine = H(+) + N(5)-methyl-L-glutaminyl-[peptide chain release
CC         factor] + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:42896, Rhea:RHEA-
CC         COMP:10271, Rhea:RHEA-COMP:10272, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30011, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:61891; EC=2.1.1.297; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_02126};
CC   -!- SIMILARITY: Belongs to the protein N5-glutamine methyltransferase
CC       family. PrmC subfamily. {ECO:0000255|HAMAP-Rule:MF_02126}.
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DR   EMBL; AE016828; AAO91453.1; -; Genomic_DNA.
DR   RefSeq; NP_820939.1; NC_002971.3.
DR   RefSeq; WP_010958568.1; NC_002971.4.
DR   AlphaFoldDB; Q83AD8; -.
DR   SMR; Q83AD8; -.
DR   STRING; 227377.CBU_1964; -.
DR   EnsemblBacteria; AAO91453; AAO91453; CBU_1964.
DR   GeneID; 1209877; -.
DR   KEGG; cbu:CBU_1964; -.
DR   PATRIC; fig|227377.7.peg.1952; -.
DR   eggNOG; COG2890; Bacteria.
DR   HOGENOM; CLU_018398_3_1_6; -.
DR   OMA; FDARYWE; -.
DR   Proteomes; UP000002671; Chromosome.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   GO; GO:0102559; F:protein-(glutamine-N5) methyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0036009; F:protein-glutamine N-methyltransferase activity; IBA:GO_Central.
DR   GO; GO:0018364; P:peptidyl-glutamine methylation; IBA:GO_Central.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_02126; RF_methyltr_PrmC; 1.
DR   InterPro; IPR002052; DNA_methylase_N6_adenine_CS.
DR   InterPro; IPR004556; HemK-like.
DR   InterPro; IPR040758; PrmC_N.
DR   InterPro; IPR019874; Release_fac_Glu-N5_MeTfrase.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   InterPro; IPR007848; Small_mtfrase_dom.
DR   Pfam; PF05175; MTS; 1.
DR   Pfam; PF17827; PrmC_N; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR00536; hemK_fam; 1.
DR   TIGRFAMs; TIGR03534; RF_mod_PrmC; 1.
PE   3: Inferred from homology;
KW   Methyltransferase; Reference proteome; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..277
FT                   /note="Release factor glutamine methyltransferase"
FT                   /id="PRO_0000414516"
FT   BINDING         120..124
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
FT   BINDING         143
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
FT   BINDING         171
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
FT   BINDING         186..189
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
FT   BINDING         186
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
SQ   SEQUENCE   277 AA;  31271 MW;  563F35C873F447D3 CRC64;
     MLSIKEATKN ISQQLTTVSK TPRLDAELLL ECVLKKSRAD LFAYPEIQLN SSQQKTLSAY
     VKRRLKGEPI AYILGQKEFW SLNLKVTPDV LIPRPETEML VEWILKNLPK DEKLRIADLG
     TGSGAVALAI AVERPHWTID ATDNSQAALK IAEINAKQHE IKNCNFYHGE WCQALPRRDY
     HAIVGNPPYI PDKDQHLQQL KHEPREALAA GSDGLSAIKI IIHEAKSYLV NGGWLLLEHG
     YDQAEKIMTL MQADGYREIT DRRDLAGLSR MMVARRG