YwkE

• Description: similar to N5-glutamine methyltransferase that modifies peptide release factors
  
  

Gene name	ywkE
Synonyms
Essential	no
Product	N5-glutamine methyltransferase
Function	peptide release factor methylation
Gene expression levels in SubtiExpress: ywkE
MW, pI	32 kDa, 4.89
Gene length, protein length	864 bp, 288 aa
Immediate neighbours	ywkF, prfA
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

translation, protein modification

The gene

Basic information

• Locus tag: BSU37000

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: hemK family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 1NV8 (the protein from Thermotoga maritima) PubMed

• UniProt: P45873

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon:

• Expression browser: ywkE PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Heidi L Schubert, John D Phillips, Christopher P Hill
Structures along the catalytic pathway of PrmC/HemK, an N5-glutamine AdoMet-dependent methyltransferase.
Biochemistry: 2003, 42(19);5592-9
[PubMed:12741815] [WorldCat.org] [DOI] (P p)

Valérie Heurgué-Hamard, Stéphanie Champ, Ake Engström, Måns Ehrenberg, Richard H Buckingham
The hemK gene in Escherichia coli encodes the N(5)-glutamine methyltransferase that modifies peptide release factors.
EMBO J: 2002, 21(4);769-78
[PubMed:11847124] [WorldCat.org] [DOI] (P p)

Kenji Nakahigashi, Naoko Kubo, Shin-ichiro Narita, Takeshi Shimaoka, Simon Goto, Taku Oshima, Hirotada Mori, Maki Maeda, Chieko Wada, Hachiro Inokuchi
HemK, a class of protein methyl transferase with similarity to DNA methyl transferases, methylates polypeptide chain release factors, and hemK knockout induces defects in translational termination.
Proc Natl Acad Sci U S A: 2002, 99(3);1473-8
[PubMed:11805295] [WorldCat.org] [DOI] (P p)