ID   COBS_CLOB6              Reviewed;         248 AA.
AC   C3L2A5;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   25-MAY-2022, entry version 58.
DE   RecName: Full=Adenosylcobinamide-GDP ribazoletransferase {ECO:0000255|HAMAP-Rule:MF_00719};
DE            EC=2.7.8.26 {ECO:0000255|HAMAP-Rule:MF_00719};
DE   AltName: Full=Cobalamin synthase {ECO:0000255|HAMAP-Rule:MF_00719};
DE   AltName: Full=Cobalamin-5'-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_00719};
GN   Name=cobS {ECO:0000255|HAMAP-Rule:MF_00719}; OrderedLocusNames=CLJ_B0863;
OS   Clostridium botulinum (strain 657 / Type Ba4).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=515621;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=657 / Type Ba4;
RA   Shrivastava S., Brown J.L., Bruce D., Detter C., Munk C., Smith L.A.,
RA   Smith T.J., Sutton G., Brettin T.S.;
RT   "Genome sequence of Clostridium botulinum Ba4 strain 657.";
RL   Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Joins adenosylcobinamide-GDP and alpha-ribazole to generate
CC       adenosylcobalamin (Ado-cobalamin). Also synthesizes adenosylcobalamin
CC       5'-phosphate from adenosylcobinamide-GDP and alpha-ribazole 5'-
CC       phosphate. {ECO:0000255|HAMAP-Rule:MF_00719}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=adenosylcob(III)inamide-GDP + alpha-ribazole =
CC         adenosylcob(III)alamin + GMP + H(+); Xref=Rhea:RHEA:16049,
CC         ChEBI:CHEBI:10329, ChEBI:CHEBI:15378, ChEBI:CHEBI:18408,
CC         ChEBI:CHEBI:58115, ChEBI:CHEBI:60487; EC=2.7.8.26;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00719};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=adenosylcob(III)inamide-GDP + alpha-ribazole 5'-phosphate =
CC         adenosylcob(III)alamin 5'-phosphate + GMP + H(+);
CC         Xref=Rhea:RHEA:23560, ChEBI:CHEBI:15378, ChEBI:CHEBI:57918,
CC         ChEBI:CHEBI:58115, ChEBI:CHEBI:60487, ChEBI:CHEBI:60493; EC=2.7.8.26;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00719};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00719};
CC   -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC       adenosylcobalamin from cob(II)yrinate a,c-diamide: step 7/7.
CC       {ECO:0000255|HAMAP-Rule:MF_00719}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00719};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_00719}.
CC   -!- SIMILARITY: Belongs to the CobS family. {ECO:0000255|HAMAP-
CC       Rule:MF_00719}.
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DR   EMBL; CP001083; ACQ53773.1; -; Genomic_DNA.
DR   RefSeq; WP_003362159.1; NC_012658.1.
DR   AlphaFoldDB; C3L2A5; -.
DR   EnsemblBacteria; ACQ53773; ACQ53773; CLJ_B0863.
DR   KEGG; cbi:CLJ_B0863; -.
DR   HOGENOM; CLU_057426_1_2_9; -.
DR   OMA; GHTGDTY; -.
DR   UniPathway; UPA00148; UER00238.
DR   Proteomes; UP000002333; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0051073; F:adenosylcobinamide-GDP ribazoletransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008818; F:cobalamin 5'-phosphate synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00719; CobS; 1.
DR   InterPro; IPR003805; CobS.
DR   PANTHER; PTHR34148; PTHR34148; 1.
DR   Pfam; PF02654; CobS; 1.
DR   TIGRFAMs; TIGR00317; cobS; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Cobalamin biosynthesis; Magnesium; Membrane; Transferase;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..248
FT                   /note="Adenosylcobinamide-GDP ribazoletransferase"
FT                   /id="PRO_1000212688"
FT   TRANSMEM        36..56
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00719"
FT   TRANSMEM        59..79
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00719"
FT   TRANSMEM        113..133
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00719"
FT   TRANSMEM        137..157
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00719"
FT   TRANSMEM        170..190
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00719"
FT   TRANSMEM        199..219
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00719"
SQ   SEQUENCE   248 AA;  27727 MW;  9971D66AE9FACC0A CRC64;
     MKSILNDFLL MIQFFTRIPI NKNLQCEKVN FRRGAFFLPV VASIIGGMEF LIYLGLKNFL
     PPNVIIVLLL LFTAMITGGL HMDGLADTCD GFFSLRDKER IIEIMKDSRM GAFGTIAMII
     NLLLKYQLLY SLVLKDCSIA IILAPVIGRI SILFLCLSKR TAKKNGSGNI FIGNMSKPII
     FLITIIALAM NTYFLELKIT IISFTAVLII TYLFYLLCLN KINGLTGDTL GACNELGEIT
     FLLILLMM