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Protein

Biotin synthase

Gene

bioB

Organism
Haemophilus ducreyi (strain 35000HP / ATCC 700724)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical-based mechanism.UniRule annotation

Catalytic activityi

Dethiobiotin + sulfur-(sulfur carrier) + 2 S-adenosyl-L-methionine = biotin + (sulfur carrier) + 2 L-methionine + 2 5'-deoxyadenosine.UniRule annotation

Cofactori

Protein has several cofactor binding sites:
  • [4Fe-4S] clusterUniRule annotationNote: Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3 cysteines and an exchangeable S-adenosyl-L-methionine.UniRule annotation
  • [2Fe-2S] clusterUniRule annotationNote: Binds 1 [2Fe-2S] cluster. The cluster is coordinated with 3 cysteines and 1 arginine.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi69 – 691Iron-sulfur 1 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi73 – 731Iron-sulfur 1 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi76 – 761Iron-sulfur 1 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi113 – 1131Iron-sulfur 2 (2Fe-2S)UniRule annotation
Metal bindingi144 – 1441Iron-sulfur 2 (2Fe-2S)UniRule annotation
Metal bindingi204 – 2041Iron-sulfur 2 (2Fe-2S)UniRule annotation
Metal bindingi276 – 2761Iron-sulfur 2 (2Fe-2S)UniRule annotation

GO - Molecular functioni

  1. 2 iron, 2 sulfur cluster binding Source: UniProtKB-KW
  2. 4 iron, 4 sulfur cluster binding Source: UniProtKB-KW
  3. biotin synthase activity Source: UniProtKB-HAMAP
  4. iron ion binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. biotin biosynthetic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Biological processi

Biotin biosynthesis

Keywords - Ligandi

2Fe-2S, 4Fe-4S, Iron, Iron-sulfur, Metal-binding, S-adenosyl-L-methionine

Enzyme and pathway databases

BioCyciHDUC233412:GH5F-925-MONOMER.
UniPathwayiUPA00078; UER00162.

Names & Taxonomyi

Protein namesi
Recommended name:
Biotin synthaseUniRule annotation (EC:2.8.1.6UniRule annotation)
Gene namesi
Name:bioBUniRule annotation
Ordered Locus Names:HD_1007
OrganismiHaemophilus ducreyi (strain 35000HP / ATCC 700724)
Taxonomic identifieri233412 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPasteurellalesPasteurellaceaeHaemophilus
ProteomesiUP000001022: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 334334Biotin synthasePRO_0000381413Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi233412.HD1007.

Structurei

3D structure databases

ProteinModelPortaliQ7VMH0.
SMRiQ7VMH0. Positions 22-330.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the radical SAM superfamily. Biotin synthase family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0502.
KOiK01012.
OMAiCGYCPQS.
OrthoDBiEOG622PMP.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_01694. BioB.
InterProiIPR013785. Aldolase_TIM.
IPR010722. BATS_dom.
IPR002684. Biotin_synth/BioAB.
IPR024177. Biotin_synthase.
IPR006638. Elp3/MiaB/NifB.
IPR007197. rSAM.
[Graphical view]
PfamiPF06968. BATS. 1 hit.
PF04055. Radical_SAM. 1 hit.
[Graphical view]
PIRSFiPIRSF001619. Biotin_synth. 1 hit.
SMARTiSM00876. BATS. 1 hit.
SM00729. Elp3. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00433. bioB. 1 hit.

Sequencei

Sequence statusi: Complete.

Q7VMH0-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MTTYNLRLKA KDELTPHPSV QYWRKCQVEE LFAMPFMELV FKAAQVHREH
60 70 80 90 100
FDPQAIQLST LLSIKTGGCP EECEYCPQSA RYDTGLEKQV MLDIEEIVEK
110 120 130 140 150
AKIAKQRGAS RFCMGAAWRG PKPKDIKVVS EIIGAVKALG LETCGTFGLL
160 170 180 190 200
EDGMAEDLKQ AGLDYYNHNL DTDPERYSKV VHTRSHDDRM DTLGKVRHAG
210 220 230 240 250
LKVCCGGIVG MNETRPERAG LIASLANLDP QPESVPINQL IKVEGTPMAE
260 270 280 290 300
AEDLDWTEFV RTIAVARITM PKSYVRLSAG RTAMSEAMQT LCFIAGANSI
310 320 330
FYGEKLLTTC NPEEDADCLL MQKLDLYPLQ YQEC
Length:334
Mass (Da):37,349
Last modified:October 1, 2003 - v1
Checksum:i34D7B9E9CC8EC83A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE017143 Genomic DNA. Translation: AAP95886.1.
RefSeqiNP_873497.1. NC_002940.2.
WP_010944936.1. NC_002940.2.

Genome annotation databases

EnsemblBacteriaiAAP95886; AAP95886; HD_1007.
GeneIDi1490947.
KEGGihdu:HD1007.
PATRICi20178377. VBIHaeDuc133973_0828.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE017143 Genomic DNA. Translation: AAP95886.1.
RefSeqiNP_873497.1. NC_002940.2.
WP_010944936.1. NC_002940.2.

3D structure databases

ProteinModelPortaliQ7VMH0.
SMRiQ7VMH0. Positions 22-330.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi233412.HD1007.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAP95886; AAP95886; HD_1007.
GeneIDi1490947.
KEGGihdu:HD1007.
PATRICi20178377. VBIHaeDuc133973_0828.

Phylogenomic databases

eggNOGiCOG0502.
KOiK01012.
OMAiCGYCPQS.
OrthoDBiEOG622PMP.

Enzyme and pathway databases

UniPathwayiUPA00078; UER00162.
BioCyciHDUC233412:GH5F-925-MONOMER.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_01694. BioB.
InterProiIPR013785. Aldolase_TIM.
IPR010722. BATS_dom.
IPR002684. Biotin_synth/BioAB.
IPR024177. Biotin_synthase.
IPR006638. Elp3/MiaB/NifB.
IPR007197. rSAM.
[Graphical view]
PfamiPF06968. BATS. 1 hit.
PF04055. Radical_SAM. 1 hit.
[Graphical view]
PIRSFiPIRSF001619. Biotin_synth. 1 hit.
SMARTiSM00876. BATS. 1 hit.
SM00729. Elp3. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00433. bioB. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. "The complete genome sequence of Haemophilus ducreyi."
    Munson R.S. Jr., Ray W.C., Mahairas G., Sabo P., Mungur R., Johnson L., Nguyen D., Wang J., Forst C., Hood L.
    Submitted (JUN-2003) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: 35000HP / ATCC 700724.

Entry informationi

Entry nameiBIOB_HAEDU
AccessioniPrimary (citable) accession number: Q7VMH0
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: October 1, 2003
Last modified: February 4, 2015
This is version 79 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.