PRMC_SYNY3
ID PRMC_SYNY3 Reviewed; 299 AA.
AC P74003;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-1997, sequence version 1.
DT 03-AUG-2022, entry version 129.
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=M.Ssp6803HemKP;
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}; OrderedLocusNames=sll1237;
OS Synechocystis sp. (strain PCC 6803 / Kazusa).
OC Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC unclassified Synechocystis.
OX NCBI_TaxID=1111708;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 6803 / Kazusa;
RX PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT "Sequence analysis of the genome of the unicellular cyanobacterium
RT Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT genome and assignment of potential protein-coding regions.";
RL DNA Res. 3:109-136(1996).
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; BA000022; BAA18074.1; -; Genomic_DNA.
DR PIR; S75513; S75513.
DR AlphaFoldDB; P74003; -.
DR SMR; P74003; -.
DR IntAct; P74003; 5.
DR STRING; 1148.1653158; -.
DR PaxDb; P74003; -.
DR EnsemblBacteria; BAA18074; BAA18074; BAA18074.
DR KEGG; syn:sll1237; -.
DR eggNOG; COG2890; Bacteria.
DR InParanoid; P74003; -.
DR OMA; FDARYWE; -.
DR PhylomeDB; P74003; -.
DR Proteomes; UP000001425; 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; IEA:UniProtKB-UniRule.
DR GO; GO:0018364; P:peptidyl-glutamine methylation; IEA:UniProtKB-UniRule.
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; 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 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..299
FT /note="Release factor glutamine methyltransferase"
FT /id="PRO_0000157169"
FT BINDING 134..138
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
FT BINDING 157
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
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"
FT BINDING 203..206
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
FT BINDING 203
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_02126"
SQ SEQUENCE 299 AA; 33802 MW; 9E317A4748F10DAC CRC64;
MNKGFVSGEE FARWYATARQ MAIAHGIETG ELNWLLQGWT DLDRLTLRLQ DFAHREIALQ
ETWENIQRGW RRRVEEKYPV QYLLGQTQWR DFVIKVTDDV LIPRPETELI IDIVQHEHSA
LSPSNCADHW VDLGTGSGAI ALGLAATFPQ ALVHAVDCSG SALAIARENA QLNQFGDRIQ
FHQGYWWEPL EHLKGQVQGM VSNPPYIPQR ELAQLQPEVI KHEPLLALDG GPDGLQAVEQ
LIRRSPTYLK PGGFWLVEIM TGQAPMVAEL LRASGAYQDI QIHRDLASIE RFVSARTLS
