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Q8DCJ7

- METH_VIBVU

UniProt

Q8DCJ7 - METH_VIBVU

Protein

Methionine synthase

Gene

metH

Organism
Vibrio vulnificus (strain CMCP6)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 84 (01 Oct 2014)
      Sequence version 1 (01 Mar 2003)
      Previous versions | rss
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    Functioni

    Catalyzes the transfer of a methyl group from methyl-cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate By similarity.By similarity

    Catalytic activityi

    5-methyltetrahydrofolate + L-homocysteine = tetrahydrofolate + L-methionine.

    Cofactori

    Methylcobalamin (MeCBL).By similarity
    Binds 1 zinc ion per subunit.By similarity

    Pathwayi

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi248 – 2481ZincPROSITE-ProRule annotation
    Metal bindingi311 – 3111ZincPROSITE-ProRule annotation
    Metal bindingi312 – 3121ZincPROSITE-ProRule annotation
    Metal bindingi760 – 7601Cobalt (cobalamin axial ligand)By similarity
    Binding sitei805 – 8051CobalaminBy similarity
    Binding sitei948 – 9481S-adenosyl-L-methionineBy similarity
    Binding sitei1136 – 11361S-adenosyl-L-methionine; via carbonyl oxygenBy similarity
    Binding sitei1140 – 11401Cobalamin; via carbonyl oxygenBy similarity

    GO - Molecular functioni

    1. cobalamin binding Source: UniProtKB-KW
    2. methionine synthase activity Source: UniProtKB-EC
    3. S-adenosylmethionine-homocysteine S-methyltransferase activity Source: InterPro
    4. zinc ion binding Source: InterPro

    GO - Biological processi

    1. pteridine-containing compound metabolic process Source: InterPro

    Keywords - Molecular functioni

    Methyltransferase, Transferase

    Keywords - Biological processi

    Amino-acid biosynthesis, Methionine biosynthesis

    Keywords - Ligandi

    Cobalamin, Cobalt, Metal-binding, S-adenosyl-L-methionine, Zinc

    Enzyme and pathway databases

    BioCyciVVUL216895:GIYM-1264-MONOMER.
    UniPathwayiUPA00051; UER00081.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Methionine synthase (EC:2.1.1.13)
    Alternative name(s):
    5-methyltetrahydrofolate--homocysteine methyltransferase
    Methionine synthase, vitamin-B12 dependent
    Short name:
    MS
    Gene namesi
    Name:metH
    Ordered Locus Names:VV1_1423
    OrganismiVibrio vulnificus (strain CMCP6)
    Taxonomic identifieri216895 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaVibrionalesVibrionaceaeVibrio
    ProteomesiUP000002275: Chromosome 1

    Subcellular locationi

    GO - Cellular componenti

    1. intracellular Source: InterPro

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 12261226Methionine synthasePRO_0000204542Add
    BLAST

    Proteomic databases

    PRIDEiQ8DCJ7.

    Interactioni

    Protein-protein interaction databases

    STRINGi216895.VV1_1423.

    Structurei

    3D structure databases

    ProteinModelPortaliQ8DCJ7.
    SMRiQ8DCJ7. Positions 654-1224.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Domains and Repeats

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Domaini6 – 326321Hcy-bindingPROSITE-ProRule annotationAdd
    BLAST
    Domaini357 – 618262Pterin-bindingPROSITE-ProRule annotationAdd
    BLAST
    Domaini651 – 74595B12-binding N-terminalPROSITE-ProRule annotationAdd
    BLAST
    Domaini747 – 882136B12-bindingPROSITE-ProRule annotationAdd
    BLAST
    Domaini898 – 1226329AdoMet activationPROSITE-ProRule annotationAdd
    BLAST

    Region

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Regioni835 – 8362Cobalamin-bindingBy similarity
    Regioni1191 – 11922S-adenosyl-L-methionine bindingBy similarity

    Domaini

    Modular enzyme with four functionally distinct domains. The isolated Hcy-binding domain catalyzes methyl transfer from free methylcobalamin to homocysteine. The Hcy-binding domain in association with the pterin-binding domain catalyzes the methylation of cob(I)alamin by methyltetrahydrofolate and the methylation of homocysteine. The B12-binding domain binds the cofactor. The AdoMet activation domain binds S-adenosyl-L-methionine. Under aerobic conditions cob(I)alamin can be converted to inactive cob(II)alamin. Reductive methylation by S-adenosyl-L-methionine and flavodoxin regenerates methylcobalamin By similarity.By similarity

    Sequence similaritiesi

    Contains 1 AdoMet activation domain.PROSITE-ProRule annotation
    Contains 1 B12-binding domain.PROSITE-ProRule annotation
    Contains 1 Hcy-binding domain.PROSITE-ProRule annotation
    Contains 1 pterin-binding domain.PROSITE-ProRule annotation

    Keywords - Domaini

    Repeat

    Phylogenomic databases

    eggNOGiCOG1410.
    HOGENOMiHOG000251409.
    KOiK00548.
    OMAiLTEHYAM.
    OrthoDBiEOG6091CH.

    Family and domain databases

    Gene3Di1.10.1240.10. 1 hit.
    3.10.196.10. 1 hit.
    3.20.20.20. 1 hit.
    3.20.20.330. 1 hit.
    3.40.50.280. 1 hit.
    InterProiIPR003759. Cbl-bd_cap.
    IPR006158. Cobalamin-bd.
    IPR011005. Dihydropteroate_synth-like.
    IPR011822. MetH.
    IPR000489. Pterin-binding.
    IPR003726. S_MeTrfase.
    IPR004223. VitB12-dep_Met_synth_activ_dom.
    [Graphical view]
    PfamiPF02310. B12-binding. 1 hit.
    PF02607. B12-binding_2. 1 hit.
    PF02965. Met_synt_B12. 1 hit.
    PF00809. Pterin_bind. 1 hit.
    PF02574. S-methyl_trans. 1 hit.
    [Graphical view]
    PIRSFiPIRSF000381. MetH. 1 hit.
    SMARTiSM01018. B12-binding_2. 1 hit.
    [Graphical view]
    SUPFAMiSSF47644. SSF47644. 1 hit.
    SSF51717. SSF51717. 1 hit.
    SSF52242. SSF52242. 1 hit.
    SSF56507. SSF56507. 1 hit.
    SSF82282. SSF82282. 1 hit.
    TIGRFAMsiTIGR02082. metH. 1 hit.
    PROSITEiPS50974. ADOMET_ACTIVATION. 1 hit.
    PS51332. B12_BINDING. 1 hit.
    PS51337. B12_BINDING_NTER. 1 hit.
    PS50970. HCY. 1 hit.
    PS50972. PTERIN_BINDING. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Q8DCJ7-1 [UniParc]FASTAAdd to Basket

    « Hide

    MGSQIRAQIE AQLKQRILLI DGGMGTMIQG YKLQEQDYRG ERFADWHSDL     50
    KGNNDLLVLT QPQLIKEIHH AYLEAGADIL ETNTFNATTI AMADYDMESL 100
    SEEINFAAAR LAREAADEWT AQNPAKPRYV AGVLGPTNRT CSISPDVNDP 150
    GYRNVSFDEL VEAYSESTRA LIRGGSDLIL IETIFDTLNA KACAFAVDSV 200
    FEELGFALPV MISGTITDAS GRTLSGQTTE AFYNSLRHVR PISFGLNCAL 250
    GPDELRPYVE ELSRISETFV STHPNAGLPN AFGEYDLSPE EMAEHVKEWA 300
    QSGFLNLIGG CCGTTPEHIR HMAMAVEGVS PRVLPEIPVA CRLSGLEPLT 350
    IAKDTLFVNV GERTNVTGSA RFKRLIKEEL YDEALDVARE QVENGAQIID 400
    INMDEGMLDA EACMVRFLNL CASEPEISKV PIMVDSSKWE VIEAGLKCIQ 450
    GKGIVNSISL KEGKEKFVEQ AKLIRRYGAA VIVMAFDEVG QADTRERKLE 500
    ICTKAYRILV DEVGFPPEDV IFDPNIFAVA TGIDEHNNYA VDFIEAVADI 550
    KRDLPHAMIS GGVSNVSFSF RGNNYVREAI HAVFLYHCFK NGMDMGIVNA 600
    GQLEIYDNVP EKLREAVEDV VLNRRDDATE RLLEIAEEYR ENAVGKQEDA 650
    SALEWRTWSV EKRLEHALVK GITEFIVEDT EEARLNASKP LEVIEGPLMD 700
    GMNVVGDLFG EGKMFLPQVV KSARVMKQAV AHLEPFINAS KQAGSSNGKI 750
    LLATVKGDVH DIGKNIVGVV LQCNNYEIID LGVMVPCEQI LKVAKEQQVD 800
    IIGLSGLITP SLDEMVHVAK EMERLGFDLP LLIGGATTSK AHTAVKIEQN 850
    YSHPVVYVNN ASRAVGVCTS LLSDELRPAF VERLQADYEL VRDQHNRKKP 900
    RTKPVTLEAA RANKVAIDWQ SYTPPAPSQP GVHVFDDFDV ATLRQYIDWT 950
    PFFLTWSLVG KYPTIFEHEE VGEEAKRLFG DANEWLDRIE QEGLLKARGM 1000
    CGLFPAASVG DDIEVYTDES RTHVAKVLHN LRQQTEKPKG ANYCLSDYVA 1050
    PKESGKKDWI GAFAVTGGVN ERELADQFKA QGDDYNAIMI QAVADRLAEA 1100
    FAEYLHERVR KEIWGYAADE NLSNEELIRE KYQGIRPAPG YPACPEHTEK 1150
    GPLWELLNVE ETIGMSLTSS YAMWPGASVS GWYFSHPDSR YFAIAQIQQD 1200
    QVESYAERKG WDLLEAEKWL GPNING 1226
    Length:1,226
    Mass (Da):136,241
    Last modified:March 1, 2003 - v1
    Checksum:i51E8263EBD605A19
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AE016795 Genomic DNA. Translation: AAO09863.1.
    RefSeqiNP_760336.1. NC_004459.3.
    WP_011079382.1. NC_004459.3.

    Genome annotation databases

    EnsemblBacteriaiAAO09863; AAO09863; VV1_1423.
    GeneIDi1178338.
    KEGGivvu:VV1_1423.
    PATRICi20159626. VBIVibVul94426_1325.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AE016795 Genomic DNA. Translation: AAO09863.1 .
    RefSeqi NP_760336.1. NC_004459.3.
    WP_011079382.1. NC_004459.3.

    3D structure databases

    ProteinModelPortali Q8DCJ7.
    SMRi Q8DCJ7. Positions 654-1224.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 216895.VV1_1423.

    Proteomic databases

    PRIDEi Q8DCJ7.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai AAO09863 ; AAO09863 ; VV1_1423 .
    GeneIDi 1178338.
    KEGGi vvu:VV1_1423.
    PATRICi 20159626. VBIVibVul94426_1325.

    Phylogenomic databases

    eggNOGi COG1410.
    HOGENOMi HOG000251409.
    KOi K00548.
    OMAi LTEHYAM.
    OrthoDBi EOG6091CH.

    Enzyme and pathway databases

    UniPathwayi UPA00051 ; UER00081 .
    BioCyci VVUL216895:GIYM-1264-MONOMER.

    Family and domain databases

    Gene3Di 1.10.1240.10. 1 hit.
    3.10.196.10. 1 hit.
    3.20.20.20. 1 hit.
    3.20.20.330. 1 hit.
    3.40.50.280. 1 hit.
    InterProi IPR003759. Cbl-bd_cap.
    IPR006158. Cobalamin-bd.
    IPR011005. Dihydropteroate_synth-like.
    IPR011822. MetH.
    IPR000489. Pterin-binding.
    IPR003726. S_MeTrfase.
    IPR004223. VitB12-dep_Met_synth_activ_dom.
    [Graphical view ]
    Pfami PF02310. B12-binding. 1 hit.
    PF02607. B12-binding_2. 1 hit.
    PF02965. Met_synt_B12. 1 hit.
    PF00809. Pterin_bind. 1 hit.
    PF02574. S-methyl_trans. 1 hit.
    [Graphical view ]
    PIRSFi PIRSF000381. MetH. 1 hit.
    SMARTi SM01018. B12-binding_2. 1 hit.
    [Graphical view ]
    SUPFAMi SSF47644. SSF47644. 1 hit.
    SSF51717. SSF51717. 1 hit.
    SSF52242. SSF52242. 1 hit.
    SSF56507. SSF56507. 1 hit.
    SSF82282. SSF82282. 1 hit.
    TIGRFAMsi TIGR02082. metH. 1 hit.
    PROSITEi PS50974. ADOMET_ACTIVATION. 1 hit.
    PS51332. B12_BINDING. 1 hit.
    PS51337. B12_BINDING_NTER. 1 hit.
    PS50970. HCY. 1 hit.
    PS50972. PTERIN_BINDING. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Complete genome sequence of Vibrio vulnificus CMCP6."
      Rhee J.H., Kim S.Y., Chung S.S., Kim J.J., Moon Y.H., Jeong H., Choy H.E.
      Submitted (DEC-2002) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: CMCP6.

    Entry informationi

    Entry nameiMETH_VIBVU
    AccessioniPrimary (citable) accession number: Q8DCJ7
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: November 22, 2005
    Last sequence update: March 1, 2003
    Last modified: October 1, 2014
    This is version 84 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Miscellaneous

    L-homocysteine is bound via the zinc atom.By similarity

    Keywords - Technical termi

    Complete proteome

    Documents

    1. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    2. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3