ID   MTXX_METBF              Reviewed;         271 AA.
AC   O32853; Q46AT7;
DT   16-JAN-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   25-MAY-2022, entry version 98.
DE   RecName: Full=Putative methyltransferase mtx subunit X;
DE            EC=2.1.1.-;
GN   Name=mtxX; OrderedLocusNames=Mbar_A2074;
OS   Methanosarcina barkeri (strain Fusaro / DSM 804).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=269797;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=9461302; DOI=10.1111/j.1432-1033.1997.00783.x;
RA   Harms U., Thauer R.K.;
RT   "Identification of the active site histidine in the corrinoid protein MtrA
RT   of the energy-conserving methyltransferase complex from Methanobacterium
RT   thermoautotrophicum.";
RL   Eur. J. Biochem. 250:783-788(1997).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Fusaro / DSM 804;
RX   PubMed=16980466; DOI=10.1128/jb.00810-06;
RA   Maeder D.L., Anderson I., Brettin T.S., Bruce D.C., Gilna P., Han C.S.,
RA   Lapidus A., Metcalf W.W., Saunders E., Tapia R., Sowers K.R.;
RT   "The Methanosarcina barkeri genome: comparative analysis with
RT   Methanosarcina acetivorans and Methanosarcina mazei reveals extensive
RT   rearrangement within methanosarcinal genomes.";
RL   J. Bacteriol. 188:7922-7931(2006).
CC   -!- SUBUNIT: May be part of a complex composed of 3 subunits; MtxA, MtxH
CC       and MtxX.
CC   -!- SIMILARITY: Belongs to the MtxX family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAZ71005.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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; Y14612; CAA74962.1; -; Genomic_DNA.
DR   EMBL; CP000099; AAZ71005.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; O32853; -.
DR   SMR; O32853; -.
DR   STRING; 269797.Mbar_A2074; -.
DR   EnsemblBacteria; AAZ71005; AAZ71005; Mbar_A2074.
DR   KEGG; mba:Mbar_A2074; -.
DR   eggNOG; arCOG00854; Archaea.
DR   HOGENOM; CLU_086562_0_0_2; -.
DR   GO; GO:0008168; F:methyltransferase activity; IEA:UniProtKB-KW.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   InterPro; IPR016764; MeTrfase_MtxX_xsu.
DR   PIRSF; PIRSF019709; Methyltransf_MtxX; 1.
DR   TIGRFAMs; TIGR03270; methan_mark_4; 1.
PE   3: Inferred from homology;
KW   Methyltransferase; Transferase.
FT   CHAIN           1..271
FT                   /note="Putative methyltransferase mtx subunit X"
FT                   /id="PRO_0000135931"
SQ   SEQUENCE   271 AA;  29469 MW;  35F71152DE1DC910 CRC64;
     MRARANRARV AMGIRDPNSK MLESAWKAQE LGYAQVVLVG IKKEIDKVGT ELEVVDTDEP
     EKTLAELMIS RKVDAAIRGT AKASGALAQL KEALGKKRIC RLALLLTVDG TPFFLAPVGI
     DEGNTISDKL RMIKLGAEHI RRFGIEPRVG VLSGGRIGDI GRNKRVDRTL ADGEFVTRRA
     VELGINAKHY TILIEDAIKE SNFIVAPDGI SGNLIFRTIA FLGGGDGLGA SVLMDDYVFV
     DTSRVGGHFT KAIMLASALS HLNKERQKVI Y