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METE_YERE8
ID   METE_YERE8              Reviewed;         758 AA.
AC   A1JIE5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase {ECO:0000255|HAMAP-Rule:MF_00172};
DE            EC=2.1.1.14 {ECO:0000255|HAMAP-Rule:MF_00172};
DE   AltName: Full=Cobalamin-independent methionine synthase {ECO:0000255|HAMAP-Rule:MF_00172};
DE   AltName: Full=Methionine synthase, vitamin-B12 independent isozyme {ECO:0000255|HAMAP-Rule:MF_00172};
GN   Name=metE {ECO:0000255|HAMAP-Rule:MF_00172}; OrderedLocusNames=YE0249;
OS   Yersinia enterocolitica serotype O:8 / biotype 1B (strain NCTC 13174 /
OS   8081).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=393305;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCTC 13174 / 8081;
RX   PubMed=17173484; DOI=10.1371/journal.pgen.0020206;
RA   Thomson N.R., Howard S., Wren B.W., Holden M.T.G., Crossman L.,
RA   Challis G.L., Churcher C., Mungall K., Brooks K., Chillingworth T.,
RA   Feltwell T., Abdellah Z., Hauser H., Jagels K., Maddison M., Moule S.,
RA   Sanders M., Whitehead S., Quail M.A., Dougan G., Parkhill J.,
RA   Prentice M.B.;
RT   "The complete genome sequence and comparative genome analysis of the high
RT   pathogenicity Yersinia enterocolitica strain 8081.";
RL   PLoS Genet. 2:2039-2051(2006).
CC   -!- FUNCTION: Catalyzes the transfer of a methyl group from 5-
CC       methyltetrahydrofolate to homocysteine resulting in methionine
CC       formation. {ECO:0000255|HAMAP-Rule:MF_00172}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-methyltetrahydropteroyltri-L-glutamate + L-homocysteine = L-
CC         methionine + tetrahydropteroyltri-L-glutamate; Xref=Rhea:RHEA:21196,
CC         ChEBI:CHEBI:57844, ChEBI:CHEBI:58140, ChEBI:CHEBI:58199,
CC         ChEBI:CHEBI:58207; EC=2.1.1.14; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00172};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00172};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00172};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC       pathway; L-methionine from L-homocysteine (MetE route): step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00172}.
CC   -!- SIMILARITY: Belongs to the vitamin-B12 independent methionine synthase
CC       family. {ECO:0000255|HAMAP-Rule:MF_00172}.
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DR   EMBL; AM286415; CAL10383.1; -; Genomic_DNA.
DR   RefSeq; WP_005176312.1; NC_008800.1.
DR   RefSeq; YP_001004635.1; NC_008800.1.
DR   AlphaFoldDB; A1JIE5; -.
DR   SMR; A1JIE5; -.
DR   STRING; 393305.YE0249; -.
DR   PRIDE; A1JIE5; -.
DR   EnsemblBacteria; CAL10383; CAL10383; YE0249.
DR   KEGG; yen:YE0249; -.
DR   PATRIC; fig|393305.7.peg.341; -.
DR   eggNOG; COG0620; Bacteria.
DR   HOGENOM; CLU_013175_0_0_6; -.
DR   OMA; KVMKGML; -.
DR   UniPathway; UPA00051; UER00082.
DR   Proteomes; UP000000642; Chromosome.
DR   GO; GO:0003871; F:5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR   GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   CDD; cd03311; CIMS_C_terminal_like; 1.
DR   Gene3D; 3.20.20.210; -; 2.
DR   HAMAP; MF_00172; Meth_synth; 1.
DR   InterPro; IPR013215; Cbl-indep_Met_Synth_N.
DR   InterPro; IPR006276; Cobalamin-indep_Met_synthase.
DR   InterPro; IPR002629; Met_Synth_C/arc.
DR   InterPro; IPR038071; UROD/MetE-like_sf.
DR   Pfam; PF08267; Meth_synt_1; 1.
DR   Pfam; PF01717; Meth_synt_2; 1.
DR   PIRSF; PIRSF000382; MeTrfase_B12_ind; 1.
DR   SUPFAM; SSF51726; SSF51726; 2.
DR   TIGRFAMs; TIGR01371; met_syn_B12ind; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Metal-binding; Methionine biosynthesis;
KW   Methyltransferase; Repeat; Transferase; Zinc.
FT   CHAIN           1..758
FT                   /note="5-methyltetrahydropteroyltriglutamate--homocysteine
FT                   methyltransferase"
FT                   /id="PRO_1000017293"
FT   ACT_SITE        697
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         17..20
FT                   /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT                   /ligand_id="ChEBI:CHEBI:58207"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         117
FT                   /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT                   /ligand_id="ChEBI:CHEBI:58207"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         434..436
FT                   /ligand="L-homocysteine"
FT                   /ligand_id="ChEBI:CHEBI:58199"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         434..436
FT                   /ligand="L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:57844"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         487
FT                   /ligand="L-homocysteine"
FT                   /ligand_id="ChEBI:CHEBI:58199"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         487
FT                   /ligand="L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:57844"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         518..519
FT                   /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT                   /ligand_id="ChEBI:CHEBI:58207"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         564
FT                   /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT                   /ligand_id="ChEBI:CHEBI:58207"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         602
FT                   /ligand="L-homocysteine"
FT                   /ligand_id="ChEBI:CHEBI:58199"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         602
FT                   /ligand="L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:57844"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         608
FT                   /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT                   /ligand_id="ChEBI:CHEBI:58207"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         644
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         646
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         668
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
FT   BINDING         729
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00172"
SQ   SEQUENCE   758 AA;  85460 MW;  393717ADAAA4C12D CRC64;
     MTILNHTLGF PRVGLKRELK KAQESYWAGN STQEELLNVG RELRARHWQQ QQQAGVDLVP
     VGDFAWYDHV LTTSLLLGNV PERHQNADGS IDLDTLFRIG RGRAPTGTPA AAAEMTKWFN
     TNYHYMVPEF QQGQQFKLGW TQLLDEVDEA LALGHKIKPV LLGPVTYLWL GKVKGEQFDR
     LSLLKDILPV YQQVLGELAK RGIEWVQIDE PALVLELPPE WLDAYQPAYQ ALQGQVKLLL
     TTYFDSIGHN LDTIRALPVQ GLHVDVVAGQ DDIAKLNAKL PQEWLLSLGV INGRNVWRAD
     LSHWFERLQP LVNSRPLWLG SSCSLLHSPI DLSEETRLDA EVKSWFAFAL QKCAELALLT
     QALNAPSEAK LAELAAYSAP IRARRASSRV HNPQVEQRLA AITAQDIERQ QPYEARAAAQ
     RKRFNLPAWP TTTIGSFPQT TEIRGLRLDF KQGRLDGKNY RTGISEHIKQ AIAEQERLGL
     DVLVHGEAER NDMVEYFGEH LDGFVFTQNG WVQSYGSRCV KPPVIIGDIS RPEAITVEWA
     KYAQSLTDKP VKGMLTGPVT ILCWSFPRED VSRETIAKQI ALALRDEVED LEKAGIGIIQ
     IDEPALREGL PLRRADWQAY LQWAVDAFKL NAAVAQNDTQ IHTHMCYCEF NDIMDSIAAL
     DADVITIETS RSDMELLESF EDFAYPNEIG PGVYDIHSPN VPSVEWIEAL LRKAAQRIPA
     ERLWVNPDCG LKTRGWPETR QALANMVLAA QRLREEQV
 
 
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