BIOB_ACIC1
ID BIOB_ACIC1 Reviewed; 335 AA.
AC A0LTP8;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 12-DEC-2006, sequence version 1.
DT 03-AUG-2022, entry version 88.
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=Acel_1035;
OS Acidothermus cellulolyticus (strain ATCC 43068 / DSM 8971 / 11B).
OC Bacteria; Actinobacteria; Acidothermales; Acidothermaceae; Acidothermus.
OX NCBI_TaxID=351607;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43068 / DSM 8971 / 11B;
RX PubMed=19270083; DOI=10.1101/gr.084848.108;
RA Barabote R.D., Xie G., Leu D.H., Normand P., Necsulea A., Daubin V.,
RA Medigue C., Adney W.S., Xu X.C., Lapidus A., Parales R.E., Detter C.,
RA Pujic P., Bruce D., Lavire C., Challacombe J.F., Brettin T.S., Berry A.M.;
RT "Complete genome of the cellulolytic thermophile Acidothermus
RT cellulolyticus 11B provides insights into its ecophysiological and
RT evolutionary adaptations.";
RL Genome Res. 19:1033-1043(2009).
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; CP000481; ABK52808.1; -; Genomic_DNA.
DR RefSeq; WP_011719871.1; NC_008578.1.
DR AlphaFoldDB; A0LTP8; -.
DR SMR; A0LTP8; -.
DR STRING; 351607.Acel_1035; -.
DR EnsemblBacteria; ABK52808; ABK52808; Acel_1035.
DR KEGG; ace:Acel_1035; -.
DR eggNOG; COG0502; Bacteria.
DR HOGENOM; CLU_033172_2_1_11; -.
DR OMA; AMGVHRY; -.
DR OrthoDB; 940969at2; -.
DR UniPathway; UPA00078; UER00162.
DR Proteomes; UP000008221; 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 Gene3D; 3.20.20.70; -; 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/MiaB/NifB.
DR InterPro; IPR007197; rSAM.
DR PANTHER; PTHR22976; PTHR22976; 1.
DR Pfam; PF06968; BATS; 1.
DR Pfam; PF04055; Radical_SAM; 1.
DR PIRSF; PIRSF001619; Biotin_synth; 1.
DR SMART; SM00876; BATS; 1.
DR SMART; SM00729; Elp3; 1.
DR TIGRFAMs; TIGR00433; bioB; 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..335
FT /note="Biotin synthase"
FT /id="PRO_0000381174"
FT DOMAIN 53..276
FT /note="Radical SAM core"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01266"
FT BINDING 66
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 70
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 73
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 109
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
FT BINDING 142
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
FT BINDING 201
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
FT BINDING 271
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01694"
SQ SEQUENCE 335 AA; 36154 MW; 5445845663FC7BD8 CRC64;
MTDVLASAER VLRDGIGLTE PELRAVLDVD DDSLPRLLDL AHRVRRRWCG PGVEIEGIVS
VKTGGCPEDC HFCSQSGRFD SPVRSAWLDI PNLVTAAEQT AATGATEFCI VAAVRGPDDR
LMRQVRAAVR AIREAVDINI SCSLGILTPD QAAELAEIGV HRYNHNLETA RSYFPSVVTT
HTWEERWQTL QLVRAAGMEV CCGGILGMGE SLDQRAEFAA QLADLDPDEV PLNFLDPRPG
TPFADLPVVS VAEALRAAAM FRLALPRTIL RFAGGREITL GDAGTRDALR GGVNGLIVGN
YLTTLGRDPA ADLALLAELG EPIRRSELQA LSQAL