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 27-MAR-2024, entry version 104.
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; Pseudomonadota; 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 OrthoDB; 9800643at2; -.
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:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0044238; P:primary metabolic process; IEA:UniProt.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 1.10.8.10; DNA helicase RuvA subunit, C-terminal domain; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 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 NCBIfam; TIGR00536; hemK_fam; 1.
DR NCBIfam; TIGR03534; RF_mod_PrmC; 1.
DR PANTHER; PTHR18895; HEMK METHYLTRANSFERASE; 1.
DR PANTHER; PTHR18895:SF74; MTRF1L RELEASE FACTOR GLUTAMINE METHYLTRANSFERASE; 1.
DR Pfam; PF05175; MTS; 1.
DR Pfam; PF17827; PrmC_N; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 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
//
