ID   CBID_SULIY              Reviewed;         349 AA.
AC   C3N8G7;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   25-MAY-2022, entry version 63.
DE   RecName: Full=Cobalt-precorrin-5B C(1)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00787};
DE            EC=2.1.1.195 {ECO:0000255|HAMAP-Rule:MF_00787};
DE   AltName: Full=Cobalt-precorrin-6A synthase {ECO:0000255|HAMAP-Rule:MF_00787};
GN   Name=cbiD {ECO:0000255|HAMAP-Rule:MF_00787}; OrderedLocusNames=YG5714_0113;
OS   Sulfolobus islandicus (strain Y.G.57.14 / Yellowstone #1).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Sulfolobus.
OX   NCBI_TaxID=439386;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Y.G.57.14 / Yellowstone #1;
RX   PubMed=19435847; DOI=10.1073/pnas.0808945106;
RA   Reno M.L., Held N.L., Fields C.J., Burke P.V., Whitaker R.J.;
RT   "Biogeography of the Sulfolobus islandicus pan-genome.";
RL   Proc. Natl. Acad. Sci. U.S.A. 106:8605-8610(2009).
CC   -!- FUNCTION: Catalyzes the methylation of C-1 in cobalt-precorrin-5B to
CC       form cobalt-precorrin-6A. {ECO:0000255|HAMAP-Rule:MF_00787}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Co-precorrin-5B + S-adenosyl-L-methionine = Co-precorrin-6A +
CC         S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:26285, ChEBI:CHEBI:57856,
CC         ChEBI:CHEBI:59789, ChEBI:CHEBI:60063, ChEBI:CHEBI:60064;
CC         EC=2.1.1.195; Evidence={ECO:0000255|HAMAP-Rule:MF_00787};
CC   -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC       cob(II)yrinate a,c-diamide from sirohydrochlorin (anaerobic route):
CC       step 6/10. {ECO:0000255|HAMAP-Rule:MF_00787}.
CC   -!- SIMILARITY: Belongs to the CbiD family. {ECO:0000255|HAMAP-
CC       Rule:MF_00787}.
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DR   EMBL; CP001403; ACP44407.1; -; Genomic_DNA.
DR   RefSeq; WP_012715431.1; NC_012622.1.
DR   AlphaFoldDB; C3N8G7; -.
DR   SMR; C3N8G7; -.
DR   EnsemblBacteria; ACP44407; ACP44407; YG5714_0113.
DR   GeneID; 7808310; -.
DR   KEGG; siy:YG5714_0113; -.
DR   HOGENOM; CLU_041273_1_0_2; -.
DR   OMA; YHGKLIK; -.
DR   UniPathway; UPA00148; UER00227.
DR   Proteomes; UP000002308; Chromosome.
DR   GO; GO:0043780; F:cobalt-precorrin-5B C1-methyltransferase activity; IEA:RHEA.
DR   GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0046140; P:corrin biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.2110.10; -; 1.
DR   HAMAP; MF_00787; CbiD; 1.
DR   InterPro; IPR002748; CbiD.
DR   InterPro; IPR036074; CbiD_sf.
DR   PANTHER; PTHR35863; PTHR35863; 1.
DR   Pfam; PF01888; CbiD; 1.
DR   PIRSF; PIRSF026782; CbiD; 1.
DR   SUPFAM; SSF111342; SSF111342; 1.
DR   TIGRFAMs; TIGR00312; cbiD; 1.
PE   3: Inferred from homology;
KW   Cobalamin biosynthesis; Methyltransferase; S-adenosyl-L-methionine;
KW   Transferase.
FT   CHAIN           1..349
FT                   /note="Cobalt-precorrin-5B C(1)-methyltransferase"
FT                   /id="PRO_1000212945"
SQ   SEQUENCE   349 AA;  37476 MW;  42A7BCD087630A21 CRC64;
     MIINSLKRFG ITTGAAASAA AKAAVIGLLN REKRNTVVIP TPIGLRLEIP VEKVEIDSGI
     ACAEVKKFSG DNPDILDGLV IRCCAKLNES NEIVIVGGKG VGKVTRSGLK ATMGETAISP
     TVRDMVINAI REVTDKGIQI TIEVPNGDII AENTLNKMVG IVGGISILGT TGIETPVSDD
     DYLEHIKCEL NVIRQSYDFV VIAPGNSAAK YASKLFDSNS IIKVGDRIGD SIKLASSVFR
     KVILAGLPAK LLKVYAGIFN THYSQGDARL ESLTHASVLA GLPYDVLTKI TNALSVEEAF
     TYMTKEQRRK VMKIVAEKIL SRIKSFNGDI NFCVIIFDYD GESLSRVGC