DeaD

• Description: DEAD-box RNA helicase
  
  

Gene name	deaD
Synonyms	yxiN
Essential	no
Product	ATP-dependent RNA helicase
Function	RNA helicase
MW, pI	53 kDa, 7.706
Gene length, protein length	1437 bp, 479 aa
Immediate neighbours	yxiO, yxiM
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU39110

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: RNA helicase

• Protein family: DEAD-box RNA helicase

• Paralogous protein(s): CshA, CshB, YfmL

Extended information on the protein

• Kinetic information:

• Domains:
  • Helicase domain 1: AS 1-203
  • Linker region: AS 204-212
  • Helicase domain 2: AS 207-368
  • RNA-binding domain: AS 404-479

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 2G0C (RNA-binding domain, AA 404-479), 2HJV (second domain, AA 207-368)

• UniProt: P42305

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: yxiM-deaD PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant: GP1121 (tet), available in the Stülke lab

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab

• Antibody:

Labs working on this gene/protein

Dagmar Klostermeier, Biozentrum Basel, Switzerland homepage

References

Regula Aregger, Dagmar Klostermeier
The DEAD box helicase YxiN maintains a closed conformation during ATP hydrolysis.
Biochemistry: 2009, 48(45);10679-81
[PubMed:19839642] [WorldCat.org] [DOI] (I p)

Anne R Karow, Dagmar Klostermeier
A conformational change in the helicase core is necessary but not sufficient for RNA unwinding by the DEAD box helicase YxiN.
Nucleic Acids Res: 2009, 37(13);4464-71
[PubMed:19474341] [WorldCat.org] [DOI] (I p)

Bettina Theissen, Anne R Karow, Jürgen Köhler, Airat Gubaev, Dagmar Klostermeier
Cooperative binding of ATP and RNA induces a closed conformation in a DEAD box RNA helicase.
Proc Natl Acad Sci U S A: 2008, 105(2);548-53
[PubMed:18184816] [WorldCat.org] [DOI] (I p)

Anne R Karow, Bettina Theissen, Dagmar Klostermeier
Authentic interdomain communication in an RNA helicase reconstituted by expressed protein ligation of two helicase domains.
FEBS J: 2007, 274(2);463-73
[PubMed:17229151] [WorldCat.org] [DOI] (P p)

Jonathan M Caruthers, YaoXiong Hu, David B McKay
Structure of the second domain of the Bacillus subtilis DEAD-box RNA helicase YxiN.
Acta Crystallogr Sect F Struct Biol Cryst Commun: 2006, 62(Pt 12);1191-5
[PubMed:17142894] [WorldCat.org] [DOI] (I p)

Shuying Wang, Yaoxiong Hu, Michael T Overgaard, Fedor V Karginov, Olke C Uhlenbeck, David B McKay
The domain of the Bacillus subtilis DEAD-box helicase YxiN that is responsible for specific binding of 23S rRNA has an RNA recognition motif fold.
RNA: 2006, 12(6);959-67
[PubMed:16611943] [WorldCat.org] [DOI] (P p)

Fedor V Karginov, Jonathan M Caruthers, YaoXiong Hu, David B McKay, Olke C Uhlenbeck
YxiN is a modular protein combining a DEx(D/H) core and a specific RNA-binding domain.
J Biol Chem: 2005, 280(42);35499-505
[PubMed:16118224] [WorldCat.org] [DOI] (P p)