ID BIOB_MARSD Reviewed; 327 AA. AC C6C0T2; DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot. DT 01-SEP-2009, sequence version 1. DT 27-MAR-2024, entry version 74. DE RecName: Full=Biotin synthase {ECO:0000255|HAMAP-Rule:MF_01694}; DE EC=2.8.1.6 {ECO:0000255|HAMAP-Rule:MF_01694}; GN Name=bioB {ECO:0000255|HAMAP-Rule:MF_01694}; GN OrderedLocusNames=Desal_2977; OS Maridesulfovibrio salexigens (strain ATCC 14822 / DSM 2638 / NCIMB 8403 / OS VKM B-1763) (Desulfovibrio salexigens). OC Bacteria; Thermodesulfobacteriota; Desulfovibrionia; Desulfovibrionales; OC Desulfovibrionaceae; Maridesulfovibrio. OX NCBI_TaxID=526222; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 14822 / DSM 2638 / NCIMB 8403 / VKM B-1763; RG US DOE Joint Genome Institute; RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D., RA Goodwin L., Pitluck S., Munk A.C., Brettin T., Detter J.C., Han C., RA Tapia R., Larimer F., Land M., Hauser L., Kyrpides N., Anderson I., RA Wall J.D., Arkin A.P., Dehal P., Chivian D., Giles B., Hazen T.C.; RT "Complete sequence of Desulfovibrio salexigens DSM 2638."; RL Submitted (JUN-2009) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Catalyzes the conversion of dethiobiotin (DTB) to biotin by CC the insertion of a sulfur atom into dethiobiotin via a radical-based CC mechanism. {ECO:0000255|HAMAP-Rule:MF_01694}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(4R,5S)-dethiobiotin + [sulfur carrier]-SH + 2 reduced [2Fe- CC 2S]-[ferredoxin] + 2 S-adenosyl-L-methionine = 2 5'-deoxyadenosine + CC [sulfur carrier]-H + biotin + 2 L-methionine + 2 oxidized [2Fe-2S]- CC [ferredoxin]; Xref=Rhea:RHEA:22060, Rhea:RHEA-COMP:10000, Rhea:RHEA- CC COMP:10001, Rhea:RHEA-COMP:14737, Rhea:RHEA-COMP:14739, CC ChEBI:CHEBI:17319, ChEBI:CHEBI:29917, ChEBI:CHEBI:33737, CC ChEBI:CHEBI:33738, ChEBI:CHEBI:57586, ChEBI:CHEBI:57844, CC ChEBI:CHEBI:59789, ChEBI:CHEBI:64428, ChEBI:CHEBI:149473; EC=2.8.1.6; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01694}; CC -!- COFACTOR: CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01694}; CC Note=Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3 CC cysteines and an exchangeable S-adenosyl-L-methionine. CC {ECO:0000255|HAMAP-Rule:MF_01694}; CC -!- COFACTOR: CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135; CC Evidence={ECO:0000255|HAMAP-Rule:MF_01694}; CC Note=Binds 1 [2Fe-2S] cluster. The cluster is coordinated with 3 CC cysteines and 1 arginine. {ECO:0000255|HAMAP-Rule:MF_01694}; CC -!- PATHWAY: Cofactor biosynthesis; biotin biosynthesis; biotin from 7,8- CC diaminononanoate: step 2/2. {ECO:0000255|HAMAP-Rule:MF_01694}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01694}. CC -!- SIMILARITY: Belongs to the radical SAM superfamily. Biotin synthase CC family. {ECO:0000255|HAMAP-Rule:MF_01694}. 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; CP001649; ACS81029.1; -; Genomic_DNA. DR RefSeq; WP_015852845.1; NC_012881.1. DR AlphaFoldDB; C6C0T2; -. DR SMR; C6C0T2; -. DR STRING; 526222.Desal_2977; -. DR KEGG; dsa:Desal_2977; -. DR eggNOG; COG0502; Bacteria. DR HOGENOM; CLU_033172_2_1_7; -. DR OrthoDB; 9786826at2; -. DR UniPathway; UPA00078; UER00162. DR Proteomes; UP000002601; Chromosome. DR GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW. DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW. DR GO; GO:0004076; F:biotin synthase activity; IEA:UniProtKB-UniRule. DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule. DR GO; GO:0009102; P:biotin biosynthetic process; IEA:UniProtKB-UniRule. DR CDD; cd01335; Radical_SAM; 1. DR Gene3D; 3.20.20.70; Aldolase class I; 1. DR HAMAP; MF_01694; BioB; 1. DR InterPro; IPR013785; Aldolase_TIM. DR InterPro; IPR010722; BATS_dom. DR InterPro; IPR002684; Biotin_synth/BioAB. DR InterPro; IPR024177; Biotin_synthase. DR InterPro; IPR006638; Elp3/MiaA/NifB-like_rSAM. DR InterPro; IPR007197; rSAM. DR NCBIfam; TIGR00433; bioB; 1. DR PANTHER; PTHR22976; BIOTIN SYNTHASE; 1. DR PANTHER; PTHR22976:SF2; BIOTIN SYNTHASE, MITOCHONDRIAL; 1. DR Pfam; PF06968; BATS; 1. DR Pfam; PF04055; Radical_SAM; 1. DR PIRSF; PIRSF001619; Biotin_synth; 1. DR SFLD; SFLDG01278; biotin_synthase_like; 1. DR SFLD; SFLDS00029; Radical_SAM; 1. DR SMART; SM00876; BATS; 1. DR SMART; SM00729; Elp3; 1. DR SUPFAM; SSF102114; Radical SAM enzymes; 1. DR PROSITE; PS51918; RADICAL_SAM; 1. PE 3: Inferred from homology; KW 2Fe-2S; 4Fe-4S; Biotin biosynthesis; Iron; Iron-sulfur; Metal-binding; KW Reference proteome; S-adenosyl-L-methionine; Transferase. FT CHAIN 1..327 FT /note="Biotin synthase" FT /id="PRO_1000215934" FT DOMAIN 49..275 FT /note="Radical SAM core" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01266" FT BINDING 67 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 71 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 74 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 112 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 143 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 203 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 273 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" SQ SEQUENCE 327 AA; 35656 MW; A738C19D2C9B68E1 CRC64; MDRNEKQALW NAVHGGGAID EHTAVSVLGA SHGELAEILH AAHTMTMRRF GREVSLCSIA NVRSGNCSED CTFCAQSSHF KGTPAPAYPL MSVEEIRDCA EKAGQSPLEF FSYVTSGRAL KGKSLDHVCE AVDGMRERSF NHCASLGCLD FESLKKLHES GVVRYHHNLE AAESYFPNVC TTHSYEERVR TVRDAKKAGL EVCCGGLLGL GESHQQRVEL ALALAELEVD SIPLNFLIPI PGTPLENVEP LQPLEILLTI AMFRLVNPHA EVRMAAGRAA LRSLQSFIFH AGCNGLMVGD FLTVSGQGID HDLTMLEDLG LTVRTKK //