ID A0A1S2WMF9_MYCMA Unreviewed; 756 AA. AC A0A1S2WMF9; DT 12-APR-2017, integrated into UniProtKB/TrEMBL. DT 12-APR-2017, sequence version 1. DT 16-JAN-2019, entry version 8. DE RecName: Full=5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase {ECO:0000256|HAMAP-Rule:MF_00172, ECO:0000256|SAAS:SAAS01022781}; DE EC=2.1.1.14 {ECO:0000256|HAMAP-Rule:MF_00172}; DE AltName: Full=Cobalamin-independent methionine synthase {ECO:0000256|HAMAP-Rule:MF_00172}; DE AltName: Full=Methionine synthase, vitamin-B12 independent isozyme {ECO:0000256|HAMAP-Rule:MF_00172}; GN Name=metE {ECO:0000256|HAMAP-Rule:MF_00172}; GN ORFNames=BMG05_09550 {ECO:0000313|EMBL:OIN81118.1}; OS Mycobacterium malmoense. OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae; OC Mycobacterium. OX NCBI_TaxID=1780 {ECO:0000313|EMBL:OIN81118.1, ECO:0000313|Proteomes:UP000181742}; RN [1] {ECO:0000313|EMBL:OIN81118.1, ECO:0000313|Proteomes:UP000181742} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=CTRI-256 {ECO:0000313|EMBL:OIN81118.1, RC ECO:0000313|Proteomes:UP000181742}; RA Ustinova V., Smirnova T.G., Varlamov D.A., Larionova E., RA Chernousova L.N.; RT "Mycobacterium malmoense draft genome assembly."; RL Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Catalyzes the transfer of a methyl group from 5- CC methyltetrahydrofolate to homocysteine resulting in methionine CC formation. {ECO:0000256|HAMAP-Rule:MF_00172, CC ECO:0000256|SAAS:SAAS01022789}. CC -!- CATALYTIC ACTIVITY: CC Reaction=5-methyltetrahydropteroyltri-L-glutamate + L-homocysteine CC = L-methionine + tetrahydropteroyltri-L-glutamate; CC Xref=Rhea:RHEA:21196, ChEBI:CHEBI:57844, ChEBI:CHEBI:58140, CC ChEBI:CHEBI:58199, ChEBI:CHEBI:58207; EC=2.1.1.14; CC Evidence={ECO:0000256|HAMAP-Rule:MF_00172, CC ECO:0000256|SAAS:SAAS01121619}; CC -!- COFACTOR: CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000256|HAMAP- CC Rule:MF_00172}; CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP- CC Rule:MF_00172}; CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de CC novo pathway; L-methionine from L-homocysteine (MetE route): step CC 1/1. {ECO:0000256|HAMAP-Rule:MF_00172, CC ECO:0000256|SAAS:SAAS01022790}. CC -!- SIMILARITY: Belongs to the vitamin-B12 independent methionine CC synthase family. {ECO:0000256|HAMAP-Rule:MF_00172, CC ECO:0000256|SAAS:SAAS01026235}. CC -!- CAUTION: The sequence shown here is derived from an CC EMBL/GenBank/DDBJ whole genome shotgun (WGS) entry which is CC preliminary data. {ECO:0000313|EMBL:OIN81118.1}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; MOWS01000080; OIN81118.1; -; Genomic_DNA. DR RefSeq; WP_071510390.1; NZ_MOWS01000080.1. DR UniPathway; UPA00051; UER00082. DR Proteomes; UP000181742; Unassembled WGS sequence. 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 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 {ECO:0000256|HAMAP-Rule:MF_00172, KW ECO:0000256|SAAS:SAAS01022777}; KW Complete proteome {ECO:0000313|Proteomes:UP000181742}; KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00172, KW ECO:0000256|SAAS:SAAS01026241}; KW Methionine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00172, KW ECO:0000256|SAAS:SAAS01022782}; KW Methyltransferase {ECO:0000256|HAMAP-Rule:MF_00172, KW ECO:0000256|SAAS:SAAS01022778, ECO:0000313|EMBL:OIN81118.1}; KW Repeat {ECO:0000256|HAMAP-Rule:MF_00172}; KW Transferase {ECO:0000256|HAMAP-Rule:MF_00172, KW ECO:0000256|SAAS:SAAS01022783, ECO:0000313|EMBL:OIN81118.1}; KW Zinc {ECO:0000256|HAMAP-Rule:MF_00172, ECO:0000256|SAAS:SAAS01026239}. FT DOMAIN 8 311 Meth_synt_1. {ECO:0000259|Pfam:PF08267}. FT DOMAIN 428 750 Meth_synt_2. {ECO:0000259|Pfam:PF01717}. FT METAL 643 643 Zinc. {ECO:0000256|HAMAP-Rule:MF_00172}. FT METAL 645 645 Zinc. {ECO:0000256|HAMAP-Rule:MF_00172}. FT METAL 728 728 Zinc. {ECO:0000256|HAMAP-Rule:MF_00172}. SQ SEQUENCE 756 AA; 81616 MW; AF1512958B8C0FC2 CRC64; MTPQAFTATV TGSPRIGPKR ELKRATEGYW AGRTSRSELE SVAATLRRDT WAGLAAAGLD SVPVNTFSYY DQVLDTAVLL GALPTRVAKI SDDLDRYFAA ARGNDEVAPL EMTKWFDTNY HYLVPEIEPA TKFALHPDKV LSELKEALEQ GIPARPVVVG PVTFLLLSKG VDGGGAPIER LQELVPIYSE LLSLLADNGA QWVQFDEPAL VTDISPDAPA LAEAVYNALG SVSNRPAIYV ATYFGDPGDS LAGLARTPIE AIGVDLVAGA DTAVAGIPEL STKTLVAGVV DGRNVWRTDL ESALAKLATL LGSAATVAVS TSCSTMHVPY SLEPETGLDD NLRSWLAFGA EKVHEIVVLA RALHEDRDAV AEEIAASNAA VASRKSDPRL HNDRVRARID SIVASGAHRG DAAQRRASQD ARLHLPPLPT TTIGSYPQTS AIRKARAALR AGEIDEAEYV RRMKKEIADV IKLQEQLGLD VLVHGEPERN DMVQYFAEQL EGFFATQNGW VQSYGSRCVR PPILYGDVSR PHPMTVEWIT YAQSLTDKPV KGMLTGPVTI LAWSFVRDDQ PLADTANQVA LAIRDETVDL QAAGIGIIQV DEPALRELLP LRRAQQEDYL RWAVGSFRLA TSGVADSTQI HTHLCYSEFG EVIGAIADLD ADVTSIEAAR SHMEVLDDLN AVGFANSVGP GVYDIHSPRV PSTDEMAESL RAALRAVPPQ RLWVNPDCGL KTRNVDEVTA SLQHMVAAAQ EVRAGV //