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B7NA74

- BIOB_ECOLU

UniProt

B7NA74 - BIOB_ECOLU

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Protein

Biotin synthase

Gene
bioB, ECUMN_0917
Organism
Escherichia coli O17:K52:H18 (strain UMN026 / ExPEC)
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 By similarity.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

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.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi53 – 531Iron-sulfur 1 (4Fe-4S-S-AdoMet) By similarity
Metal bindingi57 – 571Iron-sulfur 1 (4Fe-4S-S-AdoMet) By similarity
Metal bindingi60 – 601Iron-sulfur 1 (4Fe-4S-S-AdoMet) By similarity
Metal bindingi97 – 971Iron-sulfur 2 (2Fe-2S) By similarity
Metal bindingi128 – 1281Iron-sulfur 2 (2Fe-2S) By similarity
Metal bindingi188 – 1881Iron-sulfur 2 (2Fe-2S) By similarity
Metal bindingi260 – 2601Iron-sulfur 2 (2Fe-2S) By similarity

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

UniPathwayiUPA00078; UER00162.

Names & Taxonomyi

Protein namesi
Recommended name:
Biotin synthase (EC:2.8.1.6)
Gene namesi
Name:bioB
Ordered Locus Names:ECUMN_0917
OrganismiEscherichia coli O17:K52:H18 (strain UMN026 / ExPEC)
Taxonomic identifieri585056 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000007097: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 346346Biotin synthaseUniRule annotationPRO_0000381370Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi585056.ECUMN_0917.

Structurei

3D structure databases

ProteinModelPortaliB7NA74.
SMRiB7NA74. Positions 3-315.

Family & Domainsi

Sequence similaritiesi

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.

B7NA74-1 [UniParc]FASTAAdd to Basket

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MAHRPRWTLS QVTELFEKPL LDLLFEAQQV HRQHFDPRQV QVSTLLSIKT    50
GACPEDCKYC PQSSRYKTGL EAERLMEVEQ VLESARKAKA AGSTRFCMGA 100
AWKNPHERDM PYLEQMVQGV KAMGLEACMT LGTLSESQAQ RLANAGLDYY 150
NHNLDTSPEF YGNIITTRTY QERLDTLEKV RDAGIKVCSG GIVGLGETVK 200
DRAGLLLQLA NLPTPPESVP INMLVKVKGT PLADNDDVDA FDFIRTIAVA 250
RIMMPTSYVR LSAGREQMNE QTQAMCFMAG ANSIFYGCKL LTTPNPEEDK 300
DLQLFRKLGL NPQQTAVLAG DNEQQQRLEQ ALMTPDTDEY YNAAAL 346
Length:346
Mass (Da):38,648
Last modified:March 24, 2009 - v1
Checksum:i550A7899A2DF6082
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928163 Genomic DNA. Translation: CAR12126.1.
RefSeqiYP_002411671.1. NC_011751.1.

Genome annotation databases

EnsemblBacteriaiCAR12126; CAR12126; ECUMN_0917.
GeneIDi7155876.
KEGGieum:ECUMN_0917.
PATRICi18441085. VBIEscCol32010_1112.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CU928163 Genomic DNA. Translation: CAR12126.1 .
RefSeqi YP_002411671.1. NC_011751.1.

3D structure databases

ProteinModelPortali B7NA74.
SMRi B7NA74. Positions 3-315.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 585056.ECUMN_0917.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAR12126 ; CAR12126 ; ECUMN_0917 .
GeneIDi 7155876.
KEGGi eum:ECUMN_0917.
PATRICi 18441085. VBIEscCol32010_1112.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00078 ; UER00162 .

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: UMN026 / ExPEC.

Entry informationi

Entry nameiBIOB_ECOLU
AccessioniPrimary (citable) accession number: B7NA74
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: March 24, 2009
Last modified: May 14, 2014
This is version 41 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

Documents

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

External Data

Dasty 3

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