ID   BIOB_YEAST              Reviewed;         375 AA.
AC   P32451; D6VV63;
DT   01-OCT-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 2.
DT   27-MAR-2024, entry version 183.
DE   RecName: Full=Biotin synthase, mitochondrial;
DE            EC=2.8.1.6;
DE   Flags: Precursor;
GN   Name=BIO2; OrderedLocusNames=YGR286C;
OS   Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC   Saccharomycetales; Saccharomycetaceae; Saccharomyces.
OX   NCBI_TaxID=559292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=20B-12;
RX   PubMed=8117110; DOI=10.1006/abbi.1994.1079;
RA   Zhang S., Sanyal I., Bulboaca G.H., Rich A., Flint D.H.;
RT   "The gene for biotin synthase from Saccharomyces cerevisiae: cloning,
RT   sequencing, and complementation of Escherichia coli strains lacking biotin
RT   synthase.";
RL   Arch. Biochem. Biophys. 309:29-35(1994).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 96604 / S288c / FY1679;
RX   PubMed=9090054;
RX   DOI=10.1002/(sici)1097-0061(19970315)13:3<251::aid-yea63>3.0.co;2-r;
RA   Volckaert G., Voet M., Robben J.;
RT   "Sequence analysis of a near-subtelomeric 35.4 kb DNA segment on the right
RT   arm of chromosome VII from Saccharomyces cerevisiae carrying the MAL1 locus
RT   reveals 15 complete open reading frames, including ZUO1, BGL2 and BIO2
RT   genes and an ABC transporter gene.";
RL   Yeast 13:251-259(1997).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 204508 / S288c;
RX   PubMed=9169869;
RA   Tettelin H., Agostoni-Carbone M.L., Albermann K., Albers M., Arroyo J.,
RA   Backes U., Barreiros T., Bertani I., Bjourson A.J., Brueckner M.,
RA   Bruschi C.V., Carignani G., Castagnoli L., Cerdan E., Clemente M.L.,
RA   Coblenz A., Coglievina M., Coissac E., Defoor E., Del Bino S., Delius H.,
RA   Delneri D., de Wergifosse P., Dujon B., Durand P., Entian K.-D., Eraso P.,
RA   Escribano V., Fabiani L., Fartmann B., Feroli F., Feuermann M.,
RA   Frontali L., Garcia-Gonzalez M., Garcia-Saez M.I., Goffeau A.,
RA   Guerreiro P., Hani J., Hansen M., Hebling U., Hernandez K., Heumann K.,
RA   Hilger F., Hofmann B., Indge K.J., James C.M., Klima R., Koetter P.,
RA   Kramer B., Kramer W., Lauquin G., Leuther H., Louis E.J., Maillier E.,
RA   Marconi A., Martegani E., Mazon M.J., Mazzoni C., McReynolds A.D.K.,
RA   Melchioretto P., Mewes H.-W., Minenkova O., Mueller-Auer S., Nawrocki A.,
RA   Netter P., Neu R., Nombela C., Oliver S.G., Panzeri L., Paoluzi S.,
RA   Plevani P., Portetelle D., Portillo F., Potier S., Purnelle B., Rieger M.,
RA   Riles L., Rinaldi T., Robben J., Rodrigues-Pousada C.,
RA   Rodriguez-Belmonte E., Rodriguez-Torres A.M., Rose M., Ruzzi M.,
RA   Saliola M., Sanchez-Perez M., Schaefer B., Schaefer M., Scharfe M.,
RA   Schmidheini T., Schreer A., Skala J., Souciet J.-L., Steensma H.Y.,
RA   Talla E., Thierry A., Vandenbol M., van der Aart Q.J.M., Van Dyck L.,
RA   Vanoni M., Verhasselt P., Voet M., Volckaert G., Wambutt R., Watson M.D.,
RA   Weber N., Wedler E., Wedler H., Wipfli P., Wolf K., Wright L.F.,
RA   Zaccaria P., Zimmermann M., Zollner A., Kleine K.;
RT   "The nucleotide sequence of Saccharomyces cerevisiae chromosome VII.";
RL   Nature 387:81-84(1997).
RN   [4]
RP   GENOME REANNOTATION.
RC   STRAIN=ATCC 204508 / S288c;
RX   PubMed=24374639; DOI=10.1534/g3.113.008995;
RA   Engel S.R., Dietrich F.S., Fisk D.G., Binkley G., Balakrishnan R.,
RA   Costanzo M.C., Dwight S.S., Hitz B.C., Karra K., Nash R.S., Weng S.,
RA   Wong E.D., Lloyd P., Skrzypek M.S., Miyasato S.R., Simison M., Cherry J.M.;
RT   "The reference genome sequence of Saccharomyces cerevisiae: Then and now.";
RL   G3 (Bethesda) 4:389-398(2014).
RN   [5]
RP   SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS].
RX   PubMed=14562095; DOI=10.1038/nature02026;
RA   Huh W.-K., Falvo J.V., Gerke L.C., Carroll A.S., Howson R.W.,
RA   Weissman J.S., O'Shea E.K.;
RT   "Global analysis of protein localization in budding yeast.";
RL   Nature 425:686-691(2003).
RN   [6]
RP   LEVEL OF PROTEIN EXPRESSION [LARGE SCALE ANALYSIS].
RX   PubMed=14562106; DOI=10.1038/nature02046;
RA   Ghaemmaghami S., Huh W.-K., Bower K., Howson R.W., Belle A., Dephoure N.,
RA   O'Shea E.K., Weissman J.S.;
RT   "Global analysis of protein expression in yeast.";
RL   Nature 425:737-741(2003).
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   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; Evidence={ECO:0000250};
CC       Note=Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3
CC       cysteines and an exchangeable S-adenosyl-L-methionine. {ECO:0000250};
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135; Evidence={ECO:0000250};
CC       Note=Binds 1 [2Fe-2S] cluster. The cluster is coordinated with 3
CC       cysteines and 1 arginine. {ECO:0000250};
CC   -!- PATHWAY: Cofactor biosynthesis; biotin biosynthesis; biotin from 7,8-
CC       diaminononanoate: step 2/2.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000269|PubMed:14562095}.
CC   -!- MISCELLANEOUS: Present with 504 molecules/cell in log phase SD medium.
CC       {ECO:0000269|PubMed:14562106}.
CC   -!- SIMILARITY: Belongs to the radical SAM superfamily. Biotin synthase
CC       family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAA51253.1; Type=Erroneous termination; Note=Truncated C-terminus.; Evidence={ECO:0000305};
CC       Sequence=CAA51253.1; Type=Frameshift; Evidence={ECO:0000305};
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DR   EMBL; X72701; CAA51253.1; ALT_SEQ; Genomic_DNA.
DR   EMBL; Z73071; CAA97318.1; -; Genomic_DNA.
DR   EMBL; BK006941; DAA08374.1; -; Genomic_DNA.
DR   PIR; S64621; S64621.
DR   RefSeq; NP_011802.1; NM_001181415.1.
DR   AlphaFoldDB; P32451; -.
DR   SMR; P32451; -.
DR   BioGRID; 33536; 98.
DR   IntAct; P32451; 1.
DR   MINT; P32451; -.
DR   STRING; 4932.YGR286C; -.
DR   MaxQB; P32451; -.
DR   PaxDb; 4932-YGR286C; -.
DR   PeptideAtlas; P32451; -.
DR   EnsemblFungi; YGR286C_mRNA; YGR286C; YGR286C.
DR   GeneID; 853203; -.
DR   KEGG; sce:YGR286C; -.
DR   AGR; SGD:S000003518; -.
DR   SGD; S000003518; BIO2.
DR   VEuPathDB; FungiDB:YGR286C; -.
DR   eggNOG; KOG2900; Eukaryota.
DR   HOGENOM; CLU_033172_1_2_1; -.
DR   InParanoid; P32451; -.
DR   OMA; NICTTHT; -.
DR   OrthoDB; 3682774at2759; -.
DR   BioCyc; YEAST:YGR286C-MONOMER; -.
DR   UniPathway; UPA00078; UER00162.
DR   BioGRID-ORCS; 853203; 2 hits in 10 CRISPR screens.
DR   PRO; PR:P32451; -.
DR   Proteomes; UP000002311; Chromosome VII.
DR   RNAct; P32451; Protein.
DR   GO; GO:0005739; C:mitochondrion; HDA:SGD.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IBA:GO_Central.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0004076; F:biotin synthase activity; IMP:SGD.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0009102; P:biotin biosynthetic process; IMP:SGD.
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; SFLDF00272; biotin_synthase; 1.
DR   SFLD; SFLDG01278; biotin_synthase_like; 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   1: Evidence at protein level;
KW   2Fe-2S; 4Fe-4S; Biotin biosynthesis; Iron; Iron-sulfur; Metal-binding;
KW   Mitochondrion; Reference proteome; S-adenosyl-L-methionine; Transferase;
KW   Transit peptide.
FT   TRANSIT         1..16
FT                   /note="Mitochondrion"
FT                   /evidence="ECO:0000255"
FT   CHAIN           17..375
FT                   /note="Biotin synthase, mitochondrial"
FT                   /id="PRO_0000185567"
FT   DOMAIN          81..310
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01266"
FT   BINDING         99
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000250"
FT   BINDING         103
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000250"
FT   BINDING         106
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000250"
FT   BINDING         143
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         176
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         236
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   BINDING         314
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000250"
FT   CONFLICT        348..349
FT                   /note="MC -> IY (in Ref. 1; CAA51253)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   375 AA;  41884 MW;  BE44E0B34AA3942A CRC64;
     MMSTIYRHLS TARPALTKYA TNAAVKSTTA SSEASTLGAL QYALSLDEPS HSWTKSQLKE
     IYHTPLLELT HAAQLQHRKW HDPTKVQLCT LMNIKSGGCS EDCKYCAQSS RNDTGLKAEK
     MVKVDEVIKE AEEAKRNGST RFCLGAAWRD MKGRKSAMKR IQEMVTKVND MGLETCVTLG
     MVDQDQAKQL KDAGLTAYNH NIDTSREHYS KVITTRTYDD RLQTIKNVQE SGIKACTGGI
     LGLGESEDDH IGFIYTLSNM SPHPESLPIN RLVAIKGTPM AEELADPKSK KLQFDEILRT
     IATARIVMPK AIIRLAAGRY TMKETEQFVC FMAGCNSIFT GKKMLTTMCN GWDEDKAMLA
     KWGLQPMEAF KYDRS
//