CBIT_METMP
ID CBIT_METMP Reviewed; 181 AA.
AC P61820;
DT 07-JUN-2004, integrated into UniProtKB/Swiss-Prot.
DT 07-JUN-2004, sequence version 1.
DT 03-AUG-2022, entry version 97.
DE RecName: Full=Probable cobalt-precorrin-6B C(15)-methyltransferase (decarboxylating) {ECO:0000255|HAMAP-Rule:MF_00786};
DE EC=2.1.1.196 {ECO:0000255|HAMAP-Rule:MF_00786};
GN Name=cbiT {ECO:0000255|HAMAP-Rule:MF_00786}; OrderedLocusNames=MMP1221;
OS Methanococcus maripaludis (strain S2 / LL).
OC Archaea; Euryarchaeota; Methanomada group; Methanococci; Methanococcales;
OC Methanococcaceae; Methanococcus.
OX NCBI_TaxID=267377;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=S2 / LL;
RX PubMed=15466049; DOI=10.1128/jb.186.20.6956-6969.2004;
RA Hendrickson E.L., Kaul R., Zhou Y., Bovee D., Chapman P., Chung J.,
RA Conway de Macario E., Dodsworth J.A., Gillett W., Graham D.E., Hackett M.,
RA Haydock A.K., Kang A., Land M.L., Levy R., Lie T.J., Major T.A.,
RA Moore B.C., Porat I., Palmeiri A., Rouse G., Saenphimmachak C., Soell D.,
RA Van Dien S., Wang T., Whitman W.B., Xia Q., Zhang Y., Larimer F.W.,
RA Olson M.V., Leigh J.A.;
RT "Complete genome sequence of the genetically tractable hydrogenotrophic
RT methanogen Methanococcus maripaludis.";
RL J. Bacteriol. 186:6956-6969(2004).
CC -!- FUNCTION: Catalyzes the methylation of C-15 in cobalt-precorrin-6B
CC followed by the decarboxylation of C-12 to form cobalt-precorrin-7.
CC {ECO:0000255|HAMAP-Rule:MF_00786}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Co-precorrin-6B + S-adenosyl-L-methionine = Co-precorrin-7 +
CC CO2 + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:36067,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:70791, ChEBI:CHEBI:72780; EC=2.1.1.196;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00786};
CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC cob(II)yrinate a,c-diamide from sirohydrochlorin (anaerobic route):
CC step 8/10. {ECO:0000255|HAMAP-Rule:MF_00786}.
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. Archaeal-type
CC CbiT family. {ECO:0000255|HAMAP-Rule:MF_00786}.
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DR EMBL; BX950229; CAF30777.1; -; Genomic_DNA.
DR RefSeq; WP_011171165.1; NC_005791.1.
DR AlphaFoldDB; P61820; -.
DR SMR; P61820; -.
DR STRING; 267377.MMP1221; -.
DR EnsemblBacteria; CAF30777; CAF30777; MMP1221.
DR GeneID; 41279800; -.
DR KEGG; mmp:MMP1221; -.
DR PATRIC; fig|267377.15.peg.1254; -.
DR eggNOG; arCOG00977; Archaea.
DR HOGENOM; CLU_094143_0_0_2; -.
DR OMA; RCKFVYA; -.
DR OrthoDB; 82864at2157; -.
DR BioCyc; MMAR267377:MMP_RS06285-MON; -.
DR UniPathway; UPA00148; UER00229.
DR Proteomes; UP000000590; Chromosome.
DR GO; GO:0043776; F:cobalt-precorrin-6B C5-methyltransferase activity; IEA:RHEA.
DR GO; GO:0008276; F:protein methyltransferase activity; IEA:InterPro.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0046140; P:corrin biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_00786; CbiT; 1.
DR InterPro; IPR023475; CbiT.
DR InterPro; IPR014008; Cbl_synth_MTase_CbiT.
DR InterPro; IPR025714; Methyltranfer_dom.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR Pfam; PF13847; Methyltransf_31; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR02469; CbiT; 1.
PE 3: Inferred from homology;
KW Cobalamin biosynthesis; Methyltransferase; Reference proteome;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..181
FT /note="Probable cobalt-precorrin-6B C(15)-methyltransferase
FT (decarboxylating)"
FT /id="PRO_0000134940"
FT BINDING 16
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00786"
FT BINDING 40..44
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00786"
FT BINDING 61
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00786"
FT BINDING 89
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00786"
SQ SEQUENCE 181 AA; 20166 MW; 9EAFE6852C50737D CRC64;
MIQDSEFFRM EGVPITKEEI RAVSIGKLNL DPEDVVLDIG CGSGGMSVEI SKRSKFVYSI
DNSEDAKNTT LNNLKKFNVE NCTVSLGNAE DLISKFDFNK VFIGGTQNIE QILEILKEKN
IERIVVNTIV LENSVKIINK FEELGYNVDF VNVSVSYGKK INSGHIMLSK NPITIITATL
K