ID BIOB_FLAPJ Reviewed; 362 AA. AC A6GW77; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 24-JUL-2007, sequence version 1. DT 27-MAR-2024, entry version 94. 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}; OrderedLocusNames=FP0234; OS Flavobacterium psychrophilum (strain ATCC 49511 / DSM 21280 / CIP 103535 / OS JIP02/86). OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales; OC Flavobacteriaceae; Flavobacterium. OX NCBI_TaxID=402612; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 49511 / DSM 21280 / CIP 103535 / JIP02/86; RX PubMed=17592475; DOI=10.1038/nbt1313; RA Duchaud E., Boussaha M., Loux V., Bernardet J.-F., Michel C., Kerouault B., RA Mondot S., Nicolas P., Bossy R., Caron C., Bessieres P., Gibrat J.-F., RA Claverol S., Dumetz F., Le Henaff M., Benmansour A.; RT "Complete genome sequence of the fish pathogen Flavobacterium RT psychrophilum."; RL Nat. Biotechnol. 25:763-769(2007). 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; AM398681; CAL42350.1; -; Genomic_DNA. DR RefSeq; WP_011962410.1; NC_009613.3. DR RefSeq; YP_001295170.1; NC_009613.3. DR AlphaFoldDB; A6GW77; -. DR SMR; A6GW77; -. DR STRING; 402612.FP0234; -. DR EnsemblBacteria; CAL42350; CAL42350; FP0234. DR GeneID; 66553862; -. DR KEGG; fps:FP0234; -. DR PATRIC; fig|402612.5.peg.243; -. DR eggNOG; COG0502; Bacteria. DR HOGENOM; CLU_033172_1_1_10; -. DR OrthoDB; 9786826at2; -. DR UniPathway; UPA00078; UER00162. DR Proteomes; UP000006394; 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; SFLDG01060; BATS_domain_containing; 1. DR SFLD; SFLDF00272; biotin_synthase; 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..362 FT /note="Biotin synthase" FT /id="PRO_0000381385" FT DOMAIN 39..267 FT /note="Radical SAM core" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01266" FT REGION 317..362 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 332..362 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT BINDING 54 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 58 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 61 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 98 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 130 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 190 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" FT BINDING 262 FT /ligand="[2Fe-2S] cluster" FT /ligand_id="ChEBI:CHEBI:190135" FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694" SQ SEQUENCE 362 AA; 40257 MW; 4CD0B7A6BC9F9715 CRC64; MSVMRNNWTK EEIIAIYNKP LMDLLYEAAS IHREYHDPNV VQVSTLLSIK TGGCPEDCGY CPQAARYHTD IEGNDLMSVQ QVKAQALRAK SSGSSRVCMG AAWRNVKDGP EFDQVLEMVR TINKLDMEVC CTLGMITENQ AHRLAEAGLY AYNHNLDTSE EYYKEVISTR GFEDRIETIA NVRKTNVTVC SGGIIGMGES IGDRAGMLVA LSTLSPQPES VPINALVAVE GTPMEEEKPV EIWEMIRMVA TTRIIMPETQ VRLSAGRMNM TREGQAMCFF AGANSIFAGD KLLTTPNPDV NEDMKMFEML GLNPQKPFTK VSQPTTVEAK DSRYESLGEK PKWSRPSHTI EKNLELSGKG KN //