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Q7U7P8 (BIOB_SYNPX) Reviewed, UniProtKB/Swiss-Prot

Last modified February 19, 2014. Version 73. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Biotin synthase

EC=2.8.1.6
Gene names
Name:bioB
Ordered Locus Names:SYNW0933
OrganismSynechococcus sp. (strain WH8102) [Complete proteome] [HAMAP]
Taxonomic identifier84588 [NCBI]
Taxonomic lineageBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechococcus

Protein attributes

Sequence length325 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical-based mechanism By similarity. HAMAP-Rule MF_01694

Catalytic activity

Dethiobiotin + sulfur-(sulfur carrier) + 2 S-adenosyl-L-methionine = biotin + (sulfur carrier) + 2 L-methionine + 2 5'-deoxyadenosine. HAMAP-Rule MF_01694

Cofactor

Binds 1 4Fe-4S cluster. The cluster is coordinated with 3 cysteines and an exchangeable S-adenosyl-L-methionine By similarity.

Binds 1 2Fe-2S cluster. The cluster is coordinated with 3 cysteines and 1 arginine By similarity.

Pathway

Cofactor biosynthesis; biotin biosynthesis; biotin from 7,8-diaminononanoate: step 2/2. HAMAP-Rule MF_01694

Subunit structure

Homodimer By similarity. HAMAP-Rule MF_01694

Sequence similarities

Belongs to the radical SAM superfamily. Biotin synthase family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 325325Biotin synthase HAMAP-Rule MF_01694
PRO_0000381678

Sites

Metal binding551Iron-sulfur 1 (4Fe-4S-S-AdoMet) By similarity
Metal binding591Iron-sulfur 1 (4Fe-4S-S-AdoMet) By similarity
Metal binding621Iron-sulfur 1 (4Fe-4S-S-AdoMet) By similarity
Metal binding1001Iron-sulfur 2 (2Fe-2S) By similarity
Metal binding1321Iron-sulfur 2 (2Fe-2S) By similarity
Metal binding1921Iron-sulfur 2 (2Fe-2S) By similarity
Metal binding2641Iron-sulfur 2 (2Fe-2S) By similarity

Sequences

Sequence LengthMass (Da)Tools
Q7U7P8 [UniParc].

Last modified October 1, 2003. Version 1.
Checksum: A82F79AEB7C8CC10

FASTA32535,789
        10         20         30         40         50         60 
MTFTIRHDWT IAEIQALLEL PLMELLWQAQ YVHRAANPGY RVQLASLLSV KTGGCEEDCA 

        70         80         90        100        110        120 
YCSQSIHNSS DVTAFEAQMQ VEPVLQRARA AKEAGADRFC MGWAWREIRD GAPFEAMLSM 

       130        140        150        160        170        180 
VRGVRDLGME ACVTAGMLSD QQAERLAEAG LTAYNHNLDT SPEHYDRIIS TRTYQERLET 

       190        200        210        220        230        240 
LQRVRKAGVT LCCGGIIGMG ETLRDRASML QVLASMAPHP ESVPVNGLVA VEGTPLEDQA 

       250        260        270        280        290        300 
PFEPLELVRM VATARILMPR ARVRLSAGRE SMSREAQILC LQAGADSIFY GDTLLTTGNP 

       310        320 
DVEADRQLLA DAGVQANWQE CQTTA 

« Hide

References

[1]"The genome of a motile marine Synechococcus."
Palenik B., Brahamsha B., Larimer F.W., Land M.L., Hauser L., Chain P., Lamerdin J.E., Regala W., Allen E.E., McCarren J., Paulsen I.T., Dufresne A., Partensky F., Webb E.A., Waterbury J.
Nature 424:1037-1042(2003) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: WH8102.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
BX569691 Genomic DNA. Translation: CAE07448.1.
RefSeqNP_897026.1. NC_005070.1.

3D structure databases

ProteinModelPortalQ7U7P8.
SMRQ7U7P8. Positions 6-316.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING84588.SYNW0933.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaCAE07448; CAE07448; SYNW0933.
GeneID1731355.
KEGGsyw:SYNW0933.
PATRIC23833345. VBISynSp27240_0977.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0502.
HOGENOMHOG000239957.
KOK01012.
OMAADRFCMG.
OrthoDBEOG622PMP.
ProtClustDBCLSK2305730.

Enzyme and pathway databases

UniPathwayUPA00078; UER00162.

Family and domain databases

Gene3D3.20.20.70. 1 hit.
HAMAPMF_01694. BioB.
InterProIPR013785. Aldolase_TIM.
IPR010722. BATS_dom.
IPR002684. Biotin_synth/BioAB.
IPR024177. Biotin_synthase.
IPR006638. Elp3/MiaB/NifB.
IPR007197. rSAM.
[Graphical view]
PfamPF06968. BATS. 1 hit.
PF04055. Radical_SAM. 1 hit.
[Graphical view]
PIRSFPIRSF001619. Biotin_synth. 1 hit.
SMARTSM00876. BATS. 1 hit.
SM00729. Elp3. 1 hit.
[Graphical view]
TIGRFAMsTIGR00433. bioB. 1 hit.
ProtoNetSearch...

Entry information

Entry nameBIOB_SYNPX
AccessionPrimary (citable) accession number: Q7U7P8
Entry history
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: October 1, 2003
Last modified: February 19, 2014
This is version 73 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways