ID C7XXA7_9LACO Unreviewed; 674 AA.
AC C7XXA7;
DT 13-OCT-2009, integrated into UniProtKB/TrEMBL.
DT 13-OCT-2009, sequence version 1.
DT 24-JAN-2024, entry version 89.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_01228};
DE EC=6.1.1.10 {ECO:0000256|HAMAP-Rule:MF_01228};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_01228};
DE Short=MetRS {ECO:0000256|HAMAP-Rule:MF_01228};
GN Name=metG {ECO:0000256|HAMAP-Rule:MF_01228,
GN ECO:0000313|EMBL:EEU29927.1};
GN ORFNames=HMPREF0501_01392 {ECO:0000313|EMBL:EEU29927.1};
OS Limosilactobacillus coleohominis 101-4-CHN.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Limosilactobacillus.
OX NCBI_TaxID=575594 {ECO:0000313|EMBL:EEU29927.1, ECO:0000313|Proteomes:UP000003987};
RN [1] {ECO:0000313|EMBL:EEU29927.1, ECO:0000313|Proteomes:UP000003987}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=101-4-CHN {ECO:0000313|EMBL:EEU29927.1,
RC ECO:0000313|Proteomes:UP000003987};
RG The Broad Institute Genome Sequencing Platform;
RA Ward D., Young S.K., Zeng Q., Koehrsen M., Alvarado L., Berlin A.,
RA Borenstein D., Chen Z., Engels R., Freedman E., Gellesch M., Goldberg J.,
RA Griggs A., Gujja S., Heiman D., Hepburn T., Howarth C., Jen D., Larson L.,
RA Lewis B., Mehta T., Park D., Pearson M., Roberts A., Saif S., Shea T.,
RA Shenoy N., Sisk P., Stolte C., Sykes S., Walk T., White J., Yandava C.,
RA Liu Y., Xu Q., Lander E., Nusbaum C., Galagan J., Birren B.;
RT "The Genome Sequence of Lactobacillus coleohominis strain 101-4-CHN.";
RL Submitted (JUN-2009) 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:0000256|ARBA:ARBA00003314,
CC ECO:0000256|HAMAP-Rule:MF_01228}.
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;
CC Evidence={ECO:0000256|ARBA:ARBA00001234, ECO:0000256|HAMAP-
CC Rule:MF_01228};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_01228}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_01228}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 2B subfamily. {ECO:0000256|ARBA:ARBA00005328,
CC ECO:0000256|HAMAP-Rule:MF_01228}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01228}.
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DR EMBL; GG698805; EEU29927.1; -; Genomic_DNA.
DR RefSeq; WP_006917284.1; NZ_GG698805.1.
DR AlphaFoldDB; C7XXA7; -.
DR STRING; 575594.HMPREF0501_01392; -.
DR eggNOG; COG0143; Bacteria.
DR HOGENOM; CLU_009710_9_4_9; -.
DR OrthoDB; 9810191at2; -.
DR Proteomes; UP000003987; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004825; F:methionine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
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; 2.170.220.10; -; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 1.
DR HAMAP; MF_01228; Met_tRNA_synth_type2; 1.
DR InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR InterPro; IPR041872; Anticodon_Met.
DR InterPro; IPR004495; Met-tRNA-synth_bsu_C.
DR InterPro; IPR014758; Met-tRNA_synth.
DR InterPro; IPR023457; Met-tRNA_synth_2.
DR InterPro; IPR015413; Methionyl/Leucyl_tRNA_Synth.
DR InterPro; IPR033911; MetRS_core.
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 NCBIfam; TIGR00398; metG; 1.
DR NCBIfam; TIGR00399; metG_C_term; 1.
DR PANTHER; PTHR43326:SF1; METHIONINE--TRNA LIGASE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR43326; METHIONYL-TRNA SYNTHETASE; 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; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR SUPFAM; SSF50249; Nucleic acid-binding proteins; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
DR PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1.
DR PROSITE; PS50886; TRBD; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_01228};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01228};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01228};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_01228};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01228};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_01228}; Reference proteome {ECO:0000313|Proteomes:UP000003987};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_01228};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_01228}.
FT DOMAIN 572..674
FT /note="TRNA-binding"
FT /evidence="ECO:0000259|PROSITE:PS50886"
FT REGION 538..561
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT MOTIF 15..25
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT MOTIF 310..314
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT COMPBIAS 544..561
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 674 AA; 76388 MW; 99718A5E1A0F6D19 CRC64;
MADTKPTYYI TTPIYYPSGK LHIGNSYTTI ACDAEARFKR LTGYDVFYLT GTDEHGLKIE
QKAEQLGMKP QEYVDQMATG IKKLWKTLDI TNDKFIRTTD DYHERAVQKI FQQLLDQGDI
YKGKYTGWYS VDDEEYFTES QLAEVYRDDN GKVIGGKAPS GHEVQLVEEE SYFFKMSKYA
DWLMDYYKEH PDFIEPHTRM NEMVNNFLKP GLEDLAVTRT SFNWGVKVPN DPKHVVYVWI
DALSNYITAL GYGSDDNRLF KKYWPADVHM VGKEIVRFHT IYWPIMLHAL GLPLPKHVIG
HGWLTMKDGK MSKSKGNVIY PQTLVERYGL DATRYYLLRA MPFGNDGIFS PEDFVDKVNF
DLANDLGNLL NRTVAMINKY QGGQVQGTNT AMTPYDQDLE QTAADVLAEY SDLMDQCHFA
EALASVWKLI SRVNKYIDET EPWVLAKDED KKAELSDVMT HLAKALRFIA ALLQPTMPNA
PKEILQQLGL ADTEITLNDL SFNDFPTAAT VVKKGTPIFP RRDVKEEVAF LKSQMTANTK
QKGRKAMEQA KKAAQEKEQE QTTGKKAIRI EAFDKVALLV GEIKAAGHVQ GADKLLKFQI
DDGTPEGRQI LSGIAQWYPK PEKLVGKKVA FVANLKPRKM RGELSQGMLL SAEHDGEVQL
LILPDSLVPG SEIG
//
