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B4ESU3

- BIOB_PROMH

UniProt

B4ESU3 - BIOB_PROMH

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Protein

Biotin synthase

Gene

bioB

Organism
Proteus mirabilis (strain HI4320)
Status
Reviewed - 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 bindingi53 – 531Iron-sulfur 1 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi57 – 571Iron-sulfur 1 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi60 – 601Iron-sulfur 1 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi97 – 971Iron-sulfur 2 (2Fe-2S)UniRule annotation
Metal bindingi128 – 1281Iron-sulfur 2 (2Fe-2S)UniRule annotation
Metal bindingi188 – 1881Iron-sulfur 2 (2Fe-2S)UniRule annotation
Metal bindingi260 – 2601Iron-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

BioCyciPMIR529507:GJIW-618-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:PMI0603
OrganismiProteus mirabilis (strain HI4320)
Taxonomic identifieri529507 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeProteus
ProteomesiUP000008319: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 345345Biotin synthasePRO_0000381544Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi529507.PMI0603.

Structurei

3D structure databases

ProteinModelPortaliB4ESU3.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiCOG0502.
HOGENOMiHOG000239957.
KOiK01012.
OMAiRIMMPAS.
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.

B4ESU3-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MSTLKRWTLK EARALFDMPF LDLVFQAQQV HRQHFDPSQI QVSTLLSIKT
60 70 80 90 100
GACPEDCKYC AQSARYKTGL EKERLMEVQQ VIESAKKAKA AGSTRFCMGA
110 120 130 140 150
AWRNPHERDM PYLEQMVKEV KALGMETCMT LGKLDDSQAS RLAQAGLDFY
160 170 180 190 200
NHNLDTSPEF YGSIITTRTY QDRLDTLDKV RNAGIKVCSG GILGLGEEVK
210 220 230 240 250
DRAAMLVQLA NLPQPPESVP INMLAKIKGT PLADNEDVDP FDFIRTIAVA
260 270 280 290 300
RIMMPRSYVR LSAGREQMSE QTQAFCFMAG ANSIFYGCKL LTTTNPTEDK
310 320 330 340
DHQLFRKLGL NPERLSVSMG DQQQEDVLLQ AVAEKDTEQF YNAAL
Length:345
Mass (Da):38,725
Last modified:September 23, 2008 - v1
Checksum:i3AFA6F04AA70E423
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AM942759 Genomic DNA. Translation: CAR41439.1.
RefSeqiYP_002150372.1. NC_010554.1.

Genome annotation databases

EnsemblBacteriaiCAR41439; CAR41439; PMI0603.
GeneIDi6803461.
KEGGipmr:PMI0603.
PATRICi20515893. VBIProMir120933_0587.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AM942759 Genomic DNA. Translation: CAR41439.1 .
RefSeqi YP_002150372.1. NC_010554.1.

3D structure databases

ProteinModelPortali B4ESU3.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 529507.PMI0603.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAR41439 ; CAR41439 ; PMI0603 .
GeneIDi 6803461.
KEGGi pmr:PMI0603.
PATRICi 20515893. VBIProMir120933_0587.

Phylogenomic databases

eggNOGi COG0502.
HOGENOMi HOG000239957.
KOi K01012.
OMAi RIMMPAS.
OrthoDBi EOG622PMP.

Enzyme and pathway databases

UniPathwayi UPA00078 ; UER00162 .
BioCyci PMIR529507:GJIW-618-MONOMER.

Family and domain databases

Gene3Di 3.20.20.70. 1 hit.
HAMAPi MF_01694. BioB.
InterProi IPR013785. Aldolase_TIM.
IPR010722. BATS_dom.
IPR002684. Biotin_synth/BioAB.
IPR024177. Biotin_synthase.
IPR006638. Elp3/MiaB/NifB.
IPR007197. rSAM.
[Graphical view ]
Pfami PF06968. BATS. 1 hit.
PF04055. Radical_SAM. 1 hit.
[Graphical view ]
PIRSFi PIRSF001619. Biotin_synth. 1 hit.
SMARTi SM00876. BATS. 1 hit.
SM00729. Elp3. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR00433. bioB. 1 hit.
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: HI4320.

Entry informationi

Entry nameiBIOB_PROMH
AccessioniPrimary (citable) accession number: B4ESU3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: September 23, 2008
Last modified: November 26, 2014
This is version 45 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