SYM_CHLL3
ID SYM_CHLL3 Reviewed; 702 AA.
AC Q3B3N3;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 106.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00098};
DE EC=6.1.1.10 {ECO:0000255|HAMAP-Rule:MF_00098};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00098};
DE Short=MetRS {ECO:0000255|HAMAP-Rule:MF_00098};
GN Name=metG {ECO:0000255|HAMAP-Rule:MF_00098}; OrderedLocusNames=Plut_1186;
OS Chlorobium luteolum (strain DSM 273 / BCRC 81028 / 2530) (Pelodictyon
OS luteolum).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC Chlorobium/Pelodictyon group; Pelodictyon.
OX NCBI_TaxID=319225;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 273 / BCRC 81028 / 2530;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Pelodictyon luteolum DSM 273.";
RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Is required not only for elongation of protein synthesis but
CC also for the initiation of all mRNA translation through initiator
CC tRNA(fMet) aminoacylation. {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-methionine + tRNA(Met) = AMP + diphosphate + L-
CC methionyl-tRNA(Met); Xref=Rhea:RHEA:13481, Rhea:RHEA-COMP:9667,
CC Rhea:RHEA-COMP:9698, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:57844, ChEBI:CHEBI:78442, ChEBI:CHEBI:78530,
CC ChEBI:CHEBI:456215; EC=6.1.1.10; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00098};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00098};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00098};
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_00098}.
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DR EMBL; CP000096; ABB24048.1; -; Genomic_DNA.
DR RefSeq; WP_011357920.1; NC_007512.1.
DR AlphaFoldDB; Q3B3N3; -.
DR SMR; Q3B3N3; -.
DR STRING; 319225.Plut_1186; -.
DR PRIDE; Q3B3N3; -.
DR EnsemblBacteria; ABB24048; ABB24048; Plut_1186.
DR KEGG; plt:Plut_1186; -.
DR eggNOG; COG0073; Bacteria.
DR eggNOG; COG0143; Bacteria.
DR HOGENOM; CLU_009710_1_2_10; -.
DR OMA; SDMHGTP; -.
DR OrthoDB; 761140at2; -.
DR Proteomes; UP000002709; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004825; F:methionine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006431; P:methionyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR CDD; cd07957; Anticodon_Ia_Met; 1.
DR CDD; cd00814; MetRS_core; 1.
DR CDD; cd02800; tRNA_bind_EcMetRS_like; 1.
DR Gene3D; 2.20.28.20; -; 1.
DR Gene3D; 2.40.50.140; -; 1.
DR Gene3D; 3.40.50.620; -; 1.
DR HAMAP; MF_00098; Met_tRNA_synth_type1; 1.
DR InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR InterPro; IPR041872; Anticodon_Met.
DR InterPro; IPR004495; Met-tRNA-synth_bsu_C.
DR InterPro; IPR023458; Met-tRNA_ligase_1.
DR InterPro; IPR014758; Met-tRNA_synth.
DR InterPro; IPR015413; Methionyl/Leucyl_tRNA_Synth.
DR InterPro; IPR033911; MetRS_core.
DR InterPro; IPR029038; MetRS_Zn.
DR InterPro; IPR012340; NA-bd_OB-fold.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR002547; tRNA-bd_dom.
DR InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR PANTHER; PTHR45765; PTHR45765; 1.
DR Pfam; PF19303; Anticodon_3; 1.
DR Pfam; PF09334; tRNA-synt_1g; 1.
DR Pfam; PF01588; tRNA_bind; 1.
DR PRINTS; PR01041; TRNASYNTHMET.
DR SUPFAM; SSF47323; SSF47323; 1.
DR SUPFAM; SSF50249; SSF50249; 1.
DR SUPFAM; SSF57770; SSF57770; 1.
DR TIGRFAMs; TIGR00398; metG; 1.
DR TIGRFAMs; TIGR00399; metG_C_term; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
DR PROSITE; PS50886; TRBD; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Metal-binding;
KW Nucleotide-binding; Protein biosynthesis; RNA-binding; tRNA-binding; Zinc.
FT CHAIN 1..702
FT /note="Methionine--tRNA ligase"
FT /id="PRO_0000331861"
FT DOMAIN 601..702
FT /note="tRNA-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT MOTIF 14..24
FT /note="'HIGH' region"
FT MOTIF 344..348
FT /note="'KMSKS' region"
FT BINDING 146
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 149
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 159
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 162
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 347
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
SQ SEQUENCE 702 AA; 79491 MW; 4C2DBBEDEDC4EB08 CRC64;
MAQFKRTLVT TALPYANGPV HLGHLAGVYL PADIYVRHKR LKGEEVLHIG GSDEHGVPIT
ITAEKEGISP RDVVDRYHRM NLEAFLKCGI SFDCYGRTSS ELHHETAQEF FLELERKGIF
NRRTEKLFYD AEGGRFLSDR YVSGTCPICG STEASGDQCE QCGTHLSPME LINPKSKISN
ATPELRDTLH WYFPLGRYQA ELERFVNSHE DDWRSNVLNY TRTWLKGGLN DRAITRDLNW
GIKVPLGEAE AVGKVLYVWF DAVLGYISFT RQWAEEQGDR DLWRHWWQNP ETRLVQFIGK
DNVVFHTLML PAILMAWNEG REDGIYNLAD NVPASEFMNF EGRKFSKSRN YAVYLGEFLQ
KFPADTLRYS IAMNYPENKD TDFSWTDFQN RTNGELADTL GNFIKRSIDF TNSRFGGEVP
HSCTVQEWEG LGIDWYATQS QLDQAYEGFH FREAATIAMD IARAANRFLT SAEPWKAIKT
DPEAAGRTMA LSLNLCHALS IALYPVIPET CDRIHRMLGF KGGVDGLVRK CEPILKTLLE
PALPMGHKLS PESEILFRKI EDQEIQPELQ KIEQLVREAE AREAGAIEVK IEFKPAIGFD
DFQKVDLRVA TVRAAEKVKK ASKLLKLQVQ VGSTQRQVLA GVAEHYSPEE MVGKNVLLVA
NLAPRTIRGE ISEGMLLAVE GEGGRLFMVE PQGEKINGQS VQ
