TsaD

• Description: there are two annotations for the corresponding E. coli protein: O-sialoglycoprotein endopeptidase, and required for threonyl carbamoyl adenosine (t6A) modification of tRNAs that pair with ANN codons in mRNA (together with YwlC), universally conserved protein
  
  

Gene name	gcp
Synonyms	ydiE
Essential	yes PubMed
Product	O-sialoglycoprotein endopeptidase (putative)
Function	tRNA modification
Interactions involving this protein in SubtInteract: Gcp
MW, pI	36 kDa, 5.016
Gene length, protein length	1038 bp, 346 aa
Immediate neighbours	ydiD, ydiF
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

translation, essential genes, universally conserved proteins, poorly characterized/ putative enzymes

The gene

Basic information

• Locus tag: BSU05940

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:
  • biosynthesis of the threonylcarbamoyladenosine (t6A) residue at position 37 of ANN-decoding tRNAs PubMed
  • conserved glycopeptidase that may be directly involved in the metabolism of glycated proteins PubMed

• Protein family: peptidase M22 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • the corresponding E. coli protein interacts with the proteins corresponding to YdiB and YdiC PubMed

• Localization:

Database entries

• Structure:

• UniProt: O05518

• KEGG entry: [2]

• E.C. number:

Additional information

universally conserved protein

Expression and regulation

• Operon:

• Expression browser: gcp PubMed

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Publications on the corresponding E. coli protein, YgjD

Tobias Bergmiller, Rafael Peña-Miller, Alexander Boehm, Martin Ackermann
Single-cell time-lapse analysis of depletion of the universally conserved essential protein YgjD.
BMC Microbiol: 2011, 11;118
[PubMed:21619589] [WorldCat.org] [DOI] (I e)

Basma El Yacoubi, Isabelle Hatin, Christopher Deutsch, Tamer Kahveci, Jean-Pierre Rousset, Dirk Iwata-Reuyl, Alexey G Murzin, Valérie de Crécy-Lagard
A role for the universal Kae1/Qri7/YgjD (COG0533) family in tRNA modification.
EMBO J: 2011, 30(5);882-93
[PubMed:21285948] [WorldCat.org] [DOI] (I p)

Madhusudhan Srinivasan, Preeti Mehta, Yao Yu, Evelyn Prugar, Eugene V Koonin, A Wali Karzai, Rolf Sternglanz
The highly conserved KEOPS/EKC complex is essential for a universal tRNA modification, t6A.
EMBO J: 2011, 30(5);873-81
[PubMed:21183954] [WorldCat.org] [DOI] (I p)

Chen Katz, Ifat Cohen-Or, Uri Gophna, Eliora Z Ron
The ubiquitous conserved glycopeptidase Gcp prevents accumulation of toxic glycated proteins.
mBio: 2010, 1(3);
[PubMed:20824107] [WorldCat.org] [DOI] (I e)

Jennifer I Handford, Bérengère Ize, Grant Buchanan, Gareth P Butland, Jack Greenblatt, Andrew Emili, Tracy Palmer
Conserved network of proteins essential for bacterial viability.
J Bacteriol: 2009, 191(15);4732-49
[PubMed:19376873] [WorldCat.org] [DOI] (I p)