ID D3NQV1_AZOS1 Unreviewed; 282 AA.
AC D3NQV1;
DT 20-APR-2010, integrated into UniProtKB/TrEMBL.
DT 20-APR-2010, sequence version 1.
DT 27-MAR-2024, entry version 81.
DE RecName: Full=Release factor glutamine methyltransferase {ECO:0000256|HAMAP-Rule:MF_02126};
DE Short=RF MTase {ECO:0000256|HAMAP-Rule:MF_02126};
DE EC=2.1.1.297 {ECO:0000256|HAMAP-Rule:MF_02126};
DE AltName: Full=N5-glutamine methyltransferase PrmC {ECO:0000256|HAMAP-Rule:MF_02126};
DE AltName: Full=Protein-(glutamine-N5) MTase PrmC {ECO:0000256|HAMAP-Rule:MF_02126};
DE AltName: Full=Protein-glutamine N-methyltransferase PrmC {ECO:0000256|HAMAP-Rule:MF_02126};
GN Name=hemK {ECO:0000313|EMBL:BAI70780.1};
GN Synonyms=prmC {ECO:0000256|HAMAP-Rule:MF_02126};
GN OrderedLocusNames=AZL_001420 {ECO:0000313|EMBL:BAI70780.1};
OS Azospirillum sp. (strain B510).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Azospirillaceae; Azospirillum.
OX NCBI_TaxID=137722 {ECO:0000313|EMBL:BAI70780.1, ECO:0000313|Proteomes:UP000002040};
RN [1] {ECO:0000313|EMBL:BAI70780.1, ECO:0000313|Proteomes:UP000002040}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B510 {ECO:0000313|EMBL:BAI70780.1,
RC ECO:0000313|Proteomes:UP000002040};
RX PubMed=20047946; DOI=10.1093/dnares/dsp026;
RA Kaneko T., Minamisawa K., Isawa T., Nakatsukasa H., Mitsui H.,
RA Kawaharada Y., Nakamura Y., Watanabe A., Kawashima K., Ono A., Shimizu Y.,
RA Takahashi C., Minami C., Fujishiro T., Kohara M., Katoh M., Nakazaki N.,
RA Nakayama S., Yamada M., Tabata S., Sato S.;
RT "Complete genomic structure of the cultivated rice endophyte Azospirillum
RT sp. B510.";
RL DNA Res. 17:37-50(2010).
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:0000256|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:0000256|HAMAP-
CC Rule:MF_02126};
CC -!- SIMILARITY: Belongs to the protein N5-glutamine methyltransferase
CC family. PrmC subfamily. {ECO:0000256|HAMAP-Rule:MF_02126}.
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DR EMBL; AP010946; BAI70780.1; -; Genomic_DNA.
DR RefSeq; WP_012972768.1; NC_013854.1.
DR AlphaFoldDB; D3NQV1; -.
DR STRING; 137722.AZL_001420; -.
DR KEGG; azl:AZL_001420; -.
DR HOGENOM; CLU_018398_3_1_5; -.
DR OrthoDB; 9800643at2; -.
DR Proteomes; UP000002040; 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:0043412; P:macromolecule modification; IEA:UniProt.
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; IPR025714; Methyltranfer_dom.
DR InterPro; IPR040758; PrmC_N.
DR InterPro; IPR019874; Release_fac_Glu-N5_MeTfrase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
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; PF13847; Methyltransf_31; 1.
DR Pfam; PF17827; PrmC_N; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS00092; N6_MTASE; 1.
PE 3: Inferred from homology;
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_02126}; Reference proteome {ECO:0000313|Proteomes:UP000002040};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_02126};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_02126}.
FT DOMAIN 6..75
FT /note="Release factor glutamine methyltransferase N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF17827"
FT DOMAIN 114..245
FT /note="Methyltransferase"
FT /evidence="ECO:0000259|Pfam:PF13847"
FT BINDING 121..125
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02126"
FT BINDING 144
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02126"
FT BINDING 173
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02126"
FT BINDING 187..190
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02126"
FT BINDING 187
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02126"
SQ SEQUENCE 282 AA; 30528 MW; A48707A438920F65 CRC64;
MNLRTLRARA EARLREAGVD TPDLDARYLL EHALKLTRTD FITKSEQPVP DQDAAHVLTL
VERRAAREPV GRILGHREFW TIDLVLNPDT LEPRPDTETV VEAALAAIPD RKAPLRLIDF
GTGTGCILLA LLSELPNATG VGVDLSPLAV QAAAGNAERN GLADRARFQI GDWAKDIRDR
FDIVVSNPPY IPSADIAALE PEVRDHDPLR ALDGGPDGLE PYRILAAELP RLLLPGGLVA
FEVGWGQAED VAALVEAQGM GETAILCDLG GVKRCVRARM AP
//
