ID   BIOB_SORC5              Reviewed;         349 AA.
AC   A9EXH2;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   28-JUL-2009, sequence version 2.
DT   24-JAN-2024, entry version 80.
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=sce4247;
OS   Sorangium cellulosum (strain So ce56) (Polyangium cellulosum (strain So
OS   ce56)).
OC   Bacteria; Myxococcota; Polyangia; Polyangiales; Polyangiaceae; Sorangium.
OX   NCBI_TaxID=448385;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=So ce56;
RX   PubMed=17965706; DOI=10.1038/nbt1354;
RA   Schneiker S., Perlova O., Kaiser O., Gerth K., Alici A., Altmeyer M.O.,
RA   Bartels D., Bekel T., Beyer S., Bode E., Bode H.B., Bolten C.J.,
RA   Choudhuri J.V., Doss S., Elnakady Y.A., Frank B., Gaigalat L., Goesmann A.,
RA   Groeger C., Gross F., Jelsbak L., Jelsbak L., Kalinowski J., Kegler C.,
RA   Knauber T., Konietzny S., Kopp M., Krause L., Krug D., Linke B., Mahmud T.,
RA   Martinez-Arias R., McHardy A.C., Merai M., Meyer F., Mormann S.,
RA   Munoz-Dorado J., Perez J., Pradella S., Rachid S., Raddatz G., Rosenau F.,
RA   Rueckert C., Sasse F., Scharfe M., Schuster S.C., Suen G.,
RA   Treuner-Lange A., Velicer G.J., Vorholter F.-J., Weissman K.J., Welch R.D.,
RA   Wenzel S.C., Whitworth D.E., Wilhelm S., Wittmann C., Bloecker H.,
RA   Puehler A., Mueller R.;
RT   "Complete genome sequence of the myxobacterium Sorangium cellulosum.";
RL   Nat. Biotechnol. 25:1281-1289(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   -!- SEQUENCE CAUTION:
CC       Sequence=CAN94410.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AM746676; CAN94410.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_044968914.1; NC_010162.1.
DR   AlphaFoldDB; A9EXH2; -.
DR   SMR; A9EXH2; -.
DR   STRING; 448385.sce4247; -.
DR   KEGG; scl:sce4247; -.
DR   eggNOG; COG0502; Bacteria.
DR   HOGENOM; CLU_033172_1_2_7; -.
DR   OrthoDB; 9786826at2; -.
DR   BioCyc; SCEL448385:SCE_RS21820-MONOMER; -.
DR   UniPathway; UPA00078; UER00162.
DR   Proteomes; UP000002139; 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..349
FT                   /note="Biotin synthase"
FT                   /id="PRO_0000381639"
FT   DOMAIN          64..283
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01266"
FT   REGION          1..30
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         79
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         83
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         86
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         123
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
FT   BINDING         155
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
FT   BINDING         215
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
FT   BINDING         287
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
SQ   SEQUENCE   349 AA;  37905 MW;  7D6510CB58368EF6 CRC64;
     MLEGIEREAA EHSNGCSGPA GHAPPAGAPR HDWTVQQAVA LHDLPLFELI DRARAVHRAF
     HGEHEVQLCT LLSVKTGGCP EDCAYCPQSS HYETEVGPER MLDVGAVLAA AERAREGGST
     RFCMGAAWRE VKDGPAFERV LDMVRGVKAL GLEACCTLGM LTDDQARRLK EAGLDAYNHN
     LDTSRKAYKS IISTRTYDER LVTLRNVRRA GITVCSGGII GMGESIADRC EMLVELARLD
     PHPESVPINA LVRSPGTPLE SLPPVDPIEF VRMIAVARVM MPRAMVRLSA GRTELSRETQ
     LLCMYAGANS IFYGDRLLTT PNPGQDEDRA LIEKAGLQPM APAAARAAR
//