ID I3R9K4_HALMT Unreviewed; 371 AA.
AC I3R9K4;
DT 05-SEP-2012, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2012, sequence version 1.
DT 27-MAR-2024, entry version 77.
DE RecName: Full=Biotin synthase {ECO:0000256|ARBA:ARBA00012236, ECO:0000256|HAMAP-Rule:MF_01694};
DE EC=2.8.1.6 {ECO:0000256|ARBA:ARBA00012236, ECO:0000256|HAMAP-Rule:MF_01694};
GN Name=bioB {ECO:0000256|HAMAP-Rule:MF_01694,
GN ECO:0000313|EMBL:AFK20914.1};
GN OrderedLocusNames=HFX_5079 {ECO:0000313|EMBL:AFK20914.1};
GN ORFNames=BM92_18620 {ECO:0000313|EMBL:AHZ24217.1}, C439_00815
GN {ECO:0000313|EMBL:EMA05296.1}, E6P09_18715
GN {ECO:0000313|EMBL:QCQ77343.1};
OS Haloferax mediterranei (strain ATCC 33500 / DSM 1411 / JCM 8866 / NBRC
OS 14739 / NCIMB 2177 / R-4) (Halobacterium mediterranei).
OG Plasmid HMPLAS2 {ECO:0000313|EMBL:AHZ24217.1,
OG ECO:0000313|Proteomes:UP000027075},
OG Plasmid pHM300 {ECO:0000313|EMBL:AFK20914.1,
OG ECO:0000313|Proteomes:UP000006469}, and
OG Plasmid pHME322 {ECO:0000313|EMBL:QCQ77343.1,
OG ECO:0000313|Proteomes:UP000299011}.
OC Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC Haloferacaceae; Haloferax.
OX NCBI_TaxID=523841 {ECO:0000313|EMBL:AFK20914.1, ECO:0000313|Proteomes:UP000006469};
RN [1] {ECO:0000313|EMBL:AFK20914.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=CGMCC 1.2087 {ECO:0000313|EMBL:AFK20914.1};
RX PubMed=22247127; DOI=10.1128/AEM.07114-11;
RA Cai S., Cai L., Liu H., Liu X., Han J., Zhou J., Xiang H.;
RT "Identification of the haloarchaeal phasin (PhaP) that functions in
RT polyhydroxyalkanoate accumulation and granule formation in Haloferax
RT mediterranei.";
RL Appl. Environ. Microbiol. 78:1946-1952(2012).
RN [2] {ECO:0000313|EMBL:AFK20914.1, ECO:0000313|Proteomes:UP000006469}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33500 / DSM 1411 / JCM 8866 / NBRC 14739 / NCIMB 2177 /
RC R-4 {ECO:0000313|Proteomes:UP000006469}, and CGMCC 1.2087
RC {ECO:0000313|EMBL:AFK20914.1};
RC PLASMID=pHM300 {ECO:0000313|Proteomes:UP000006469};
RX PubMed=22843593; DOI=10.1128/JB.00880-12;
RA Han J., Zhang F., Hou J., Liu X., Li M., Liu H., Cai L., Zhang B., Chen Y.,
RA Zhou J., Hu S., Xiang H.;
RT "Complete genome sequence of the metabolically versatile halophilic
RT archaeon Haloferax mediterranei, a poly(3-hydroxybutyrate-co-3-
RT hydroxyvalerate) producer.";
RL J. Bacteriol. 194:4463-4464(2012).
RN [3] {ECO:0000313|Proteomes:UP000011603}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33500 / DSM 1411 / JCM 8866 / NBRC 14739 / NCIMB 2177 /
RC R-4 {ECO:0000313|Proteomes:UP000011603};
RA Becker E.A., Seitzer P., Tritt A., Larsen D., Yao A., Wu D., Darling A.,
RA Eisen J.A., Facciotti M.T.;
RL Submitted (NOV-2012) to the EMBL/GenBank/DDBJ databases.
RN [4] {ECO:0000313|EMBL:EMA05296.1, ECO:0000313|Proteomes:UP000011603}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33500 {ECO:0000313|EMBL:EMA05296.1}, and ATCC 33500 / DSM
RC 1411 / JCM 8866 / NBRC 14739 / NCIMB 2177 / R-4
RC {ECO:0000313|Proteomes:UP000011603};
RX PubMed=25393412; DOI=10.1371/journal.pgen.1004784;
RA Becker E.A., Seitzer P.M., Tritt A., Larsen D., Krusor M., Yao A.I., Wu D.,
RA Madern D., Eisen J.A., Darling A.E., Facciotti M.T.;
RT "Phylogenetically driven sequencing of extremely halophilic archaea reveals
RT strategies for static and dynamic osmo-response.";
RL PLoS Genet. 10:E1004784-E1004784(2014).
RN [5] {ECO:0000313|EMBL:AHZ24217.1, ECO:0000313|Proteomes:UP000027075}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33500 {ECO:0000313|EMBL:AHZ24217.1}, and ATCC 33500 / DSM
RC 1411 / JCM 8866 / NBRC 14739 / NCIMB 2177 / R-4
RC {ECO:0000313|Proteomes:UP000027075};
RC PLASMID=HMPLAS2 {ECO:0000313|EMBL:AHZ24217.1}, and Plasmid HMPLAS2
RC {ECO:0000313|Proteomes:UP000027075};
RA Bautista V.;
RT "Transcriptional profiles of Haloferax mediterranei on the basis of
RT nitrogen availability.";
RL Submitted (APR-2014) to the EMBL/GenBank/DDBJ databases.
RN [6] {ECO:0000313|EMBL:AFK20914.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=CGMCC 1.2087 {ECO:0000313|EMBL:AFK20914.1};
RC PLASMID=pHM300 {ECO:0000313|EMBL:AFK20914.1};
RA Wang L., Yang H., Xiang H.;
RL Submitted (MAY-2014) to the EMBL/GenBank/DDBJ databases.
RN [7] {ECO:0000313|EMBL:QCQ77343.1, ECO:0000313|Proteomes:UP000299011}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33500 {ECO:0000313|EMBL:QCQ77343.1}, and ATCC 33500 / DSM
RC 1411 / JCM 8866 / NBRC 14739 / NCIMB 2177 / R-4
RC {ECO:0000313|Proteomes:UP000299011};
RC PLASMID=pHME322 {ECO:0000313|EMBL:QCQ77343.1,
RC ECO:0000313|Proteomes:UP000299011};
RA DasSarma S., DasSarma P., DasSarma S., Fomenkov A., Vincze T., Anton B.P.,
RA Roberts R.J.;
RT "Methylomes of two halophilic Archaea, Haloarcula marismortui and Haloferax
RT mediterranei.";
RL Submitted (APR-2019) 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:0000256|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:0000256|HAMAP-Rule:MF_01694};
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01694};
CC Note=Binds 1 [2Fe-2S] cluster. The cluster is coordinated with 3
CC cysteines and 1 arginine. {ECO:0000256|HAMAP-Rule:MF_01694};
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000256|PIRSR:PIRSR001619-1};
CC Note=Binds 1 [2Fe-2S] cluster. The cluster is coordinated with 3
CC cysteines and 1 arginine. {ECO:0000256|PIRSR:PIRSR001619-1};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01694,
CC ECO:0000256|PIRSR:PIRSR001619-1};
CC Note=Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3
CC cysteines and an exchangeable S-adenosyl-L-methionine.
CC {ECO:0000256|HAMAP-Rule:MF_01694, ECO:0000256|PIRSR:PIRSR001619-1};
CC -!- PATHWAY: Cofactor biosynthesis; biotin biosynthesis; biotin from 7,8-
CC diaminononanoate: step 2/2. {ECO:0000256|ARBA:ARBA00004942,
CC ECO:0000256|HAMAP-Rule:MF_01694}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01694}.
CC -!- SIMILARITY: Belongs to the radical SAM superfamily. Biotin synthase
CC family. {ECO:0000256|ARBA:ARBA00010765, ECO:0000256|HAMAP-
CC Rule:MF_01694}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01694}.
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DR EMBL; CP001870; AFK20914.1; -; Genomic_DNA.
DR EMBL; CP007553; AHZ24217.1; -; Genomic_DNA.
DR EMBL; AOLO01000001; EMA05296.1; -; Genomic_DNA.
DR EMBL; CP039141; QCQ77343.1; -; Genomic_DNA.
DR RefSeq; WP_004056368.1; NZ_CP039141.1.
DR AlphaFoldDB; I3R9K4; -.
DR GeneID; 40158494; -.
DR KEGG; hme:HFX_5079; -.
DR PATRIC; fig|523841.21.peg.163; -.
DR HOGENOM; CLU_033172_2_1_2; -.
DR OrthoDB; 9264at2157; -.
DR UniPathway; UPA00078; UER00162.
DR Proteomes; UP000006469; Plasmid pHM300.
DR Proteomes; UP000011603; Unassembled WGS sequence.
DR Proteomes; UP000027075; Plasmid HMPLAS2.
DR Proteomes; UP000299011; Plasmid pHME322.
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 {ECO:0000256|ARBA:ARBA00022714, ECO:0000256|HAMAP-Rule:MF_01694};
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01694};
KW Biotin biosynthesis {ECO:0000256|ARBA:ARBA00022756, ECO:0000256|HAMAP-
KW Rule:MF_01694};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01694};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_01694};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01694}; Plasmid {ECO:0000313|EMBL:AFK20914.1};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_01694};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01694, ECO:0000313|EMBL:AFK20914.1}.
FT DOMAIN 50..276
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
FT REGION 350..371
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 354..371
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 68
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_note="4Fe-4S-S-AdoMet"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01694,
FT ECO:0000256|PIRSR:PIRSR001619-1"
FT BINDING 72
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_note="4Fe-4S-S-AdoMet"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01694,
FT ECO:0000256|PIRSR:PIRSR001619-1"
FT BINDING 75
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_note="4Fe-4S-S-AdoMet"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01694,
FT ECO:0000256|PIRSR:PIRSR001619-1"
FT BINDING 208
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01694,
FT ECO:0000256|PIRSR:PIRSR001619-1"
FT BINDING 280
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01694,
FT ECO:0000256|PIRSR:PIRSR001619-1"
SQ SEQUENCE 371 AA; 39717 MW; ED73DD13FE23F233 CRC64;
MVYETGNRTV DDAVTTLLDG GQLDRTDALA LMAQPVEDLA PAADVVRSHF GDDTVDACSI
VNAKAGNCAE DCGFCAQSVH FDTGIETYGF LGPEEVLAAA KRAERDGAQR FGIVVAEKGV
SKERRPDEWD EVIQAIRLVR DETDIEVDAS LGILTQEEAE ILAAEGINHY NHNIETSPRY
FPEVVSTHSF EDRVKTLERA KSVGMDLCAG VILGMGESPT DRVDAALALR DIGISSLPVN
ILNPVAGTPL GDDGSAEITT EEIIKTIAVY RMLHPEARVR LTGGREVNLS PDEQHLPFEA
GADGILTGDY LTTEGQSPGD DLEIIERAGL EPNMEANEFD PETVKDGCTD SDSAVETAAG
TAVTNVNVTE D
//
