ID A0A0K9Q213_ZOSMR Unreviewed; 764 AA.
AC A0A0K9Q213;
DT 11-NOV-2015, integrated into UniProtKB/TrEMBL.
DT 11-NOV-2015, sequence version 1.
DT 27-MAR-2024, entry version 24.
DE RecName: Full=5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase {ECO:0000256|ARBA:ARBA00012034};
DE EC=2.1.1.14 {ECO:0000256|ARBA:ARBA00012034};
GN ORFNames=ZOSMA_116G00570 {ECO:0000313|EMBL:KMZ75331.1};
OS Zostera marina (Eelgrass).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Zosteraceae; Zostera.
OX NCBI_TaxID=29655 {ECO:0000313|EMBL:KMZ75331.1, ECO:0000313|Proteomes:UP000036987};
RN [1] {ECO:0000313|Proteomes:UP000036987}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Finnish {ECO:0000313|Proteomes:UP000036987};
RX PubMed=26814964; DOI=10.1038/nature16548;
RA Olsen J.L., Rouze P., Verhelst B., Lin Y.-C., Bayer T., Collen J.,
RA Dattolo E., De Paoli E., Dittami S., Maumus F., Michel G., Kersting A.,
RA Lauritano C., Lohaus R., Toepel M., Tonon T., Vanneste K., Amirebrahimi M.,
RA Brakel J., Bostroem C., Chovatia M., Grimwood J., Jenkins J.W.,
RA Jueterbock A., Mraz A., Stam W.T., Tice H., Bornberg-Bauer E., Green P.J.,
RA Pearson G.A., Procaccini G., Duarte C.M., Schmutz J., Reusch T.B.H.,
RA Van de Peer Y.;
RT "The genome of the seagrass Zostera marina reveals angiosperm adaptation to
RT the sea.";
RL Nature 530:331-335(2016).
CC -!- FUNCTION: Catalyzes the transfer of a methyl group from 5-
CC methyltetrahydrofolate to homocysteine resulting in methionine
CC formation. {ECO:0000256|ARBA:ARBA00002777}.
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;
CC Evidence={ECO:0000256|ARBA:ARBA00001757};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|PIRSR:PIRSR000382-2};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|PIRSR:PIRSR000382-
CC 2};
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:0000256|ARBA:ARBA00004681}.
CC -!- SIMILARITY: Belongs to the vitamin-B12 independent methionine synthase
CC family. {ECO:0000256|ARBA:ARBA00009553}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KMZ75331.1}.
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DR EMBL; LFYR01000182; KMZ75331.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0K9Q213; -.
DR STRING; 29655.A0A0K9Q213; -.
DR OMA; VATWKQM; -.
DR OrthoDB; 1326895at2759; -.
DR UniPathway; UPA00051; UER00082.
DR Proteomes; UP000036987; Unassembled WGS sequence.
DR GO; GO:0003871; F:5-methyltetrahydropteroyltriglutamate-homocysteine S-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR GO; GO:0009086; P:methionine biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR CDD; cd03311; CIMS_C_terminal_like; 1.
DR CDD; cd03312; CIMS_N_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 NCBIfam; TIGR01371; met_syn_B12ind; 1.
DR PANTHER; PTHR30519; 5-METHYLTETRAHYDROPTEROYLTRIGLUTAMATE--HOMOCYSTEINE METHYLTRANSFERASE; 1.
DR PANTHER; PTHR30519:SF0; 5-METHYLTETRAHYDROPTEROYLTRIGLUTAMATE--HOMOCYSTEINE METHYLTRANSFERASE; 1.
DR Pfam; PF08267; Meth_synt_1; 1.
DR Pfam; PF01717; Meth_synt_2; 1.
DR PIRSF; PIRSF000382; MeTrfase_B12_ind; 1.
DR SUPFAM; SSF51726; UROD/MetE-like; 2.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000382-2};
KW Methionine biosynthesis {ECO:0000256|ARBA:ARBA00023167};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603,
KW ECO:0000313|EMBL:KMZ75331.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000036987};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:KMZ75331.1};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRSR:PIRSR000382-2}.
FT DOMAIN 3..316
FT /note="Cobalamin-independent methionine synthase MetE N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF08267"
FT DOMAIN 432..755
FT /note="Cobalamin-independent methionine synthase MetE C-
FT terminal/archaeal"
FT /evidence="ECO:0000259|Pfam:PF01717"
FT ACT_SITE 701
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-3"
FT BINDING 18
FT /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT /ligand_id="ChEBI:CHEBI:58207"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 116
FT /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT /ligand_id="ChEBI:CHEBI:58207"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 437..439
FT /ligand="L-homocysteine"
FT /ligand_id="ChEBI:CHEBI:58199"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 437..439
FT /ligand="L-methionine"
FT /ligand_id="ChEBI:CHEBI:57844"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 490
FT /ligand="L-methionine"
FT /ligand_id="ChEBI:CHEBI:57844"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 521..522
FT /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT /ligand_id="ChEBI:CHEBI:58207"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 567
FT /ligand="5-methyltetrahydropteroyltri-L-glutamate"
FT /ligand_id="ChEBI:CHEBI:58207"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 605
FT /ligand="L-homocysteine"
FT /ligand_id="ChEBI:CHEBI:58199"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 605
FT /ligand="L-methionine"
FT /ligand_id="ChEBI:CHEBI:57844"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-1"
FT BINDING 647
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-2"
FT BINDING 649
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-2"
FT BINDING 658
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-2"
FT BINDING 671
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-2"
FT BINDING 733
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR000382-2"
SQ SEQUENCE 764 AA; 84757 MW; A2AB54C4818D90AB CRC64;
MASHVVGYPR MGPKRELKFA LESFWDGKSS AADLEKVAAD LRSNIWKQMA GVGIKYIPSN
TFSYYDQVLD TTALLGAVPQ RYGWIGGEIG FDTYFSMARG NATLPAMEMT KWFDTNYHFI
VPELGPETAF KYSSHKAVSE YSEAKALGIE TIPVIVGPVS YLLLSKPGKG VPKSFSPLSL
LARILPVYKQ VIAELKAAGA SWVQFDEPTL IKDLESHEYA VFTKAYAELE SSFAGLNVLV
ETYFADLTPA AYKTLTTLKG VSGYGLDMVR GSKTIDLIKS GFPAGKYLFA GVVDGRNIWA
NDLTASVTTL SVLQDIVGKD KLVVSTSCSL MHTAVDLINE TKLDDEIKSW LAFAAQKIVE
LNALAKAMIG QKDERFFKAN VAAFTSRKSS PRVTNPAVQQ AAASLRGSEH RRVTDVSARL
DAQQTKLNLP ILPTTTIGSF PQTVELRRAR REYKAKKITE DAYIAAMREE ISKVVKLQEE
LDIDVLVHGE PERNDMVEYF GEQLSGFAFS ANGWVQSYGS RCVKPPIIYG DVSRPKPMTV
FWSSMAQSMT ARPMKGMLTG PVTILNWSFV RNDQPRFQTC YQIALAMKKE VEDLEAAGIN
VIQIDEAALR EGCPLRKSEV PFYLDWAVHS FRITNCGVKD TTQIHTHMCY SNFNDIIHSI
INMDADVITI ENSRSDEKLL SVFREGVKYG AGIGPGVYDI HSPRIPTTEE IYDRITKMLA
VLETNILWVN PDCGLKTRKY TEVKPALTNM VSAAKKLRIE LAIA
//
