3enh

X-ray diffraction
3.6Å resolution

Function and Biology Details

Reactions catalysed:
L-threonylcarbamoyladenylate + adenine(37) in tRNA = AMP + N(6)-L-threonylcarbamoyladenine(37) in tRNA
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-176448 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Probable bifunctional tRNA threonylcarbamoyladenosine biosynthesis protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 540 amino acids
Theoretical weight: 61.13 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q58530 (Residues: 1-535; Coverage: 100%)
Gene name: MJ1130
Sequence domains:
Structure domains:
Regulatory protein Cgi121 Chains: C, D
Molecule details ›
Chains: C, D
Length: 150 amino acids
Theoretical weight: 17.09 KDa
Source organism: Methanocaldococcus jannaschii
Expression system: Escherichia coli
UniProt:
  • Canonical: Q57646 (Residues: 1-145; Coverage: 100%)
Gene names: MJ0187, cgi121
Sequence domains: Kinase binding protein CGI-121
Structure domains: CGI121/TPRKB

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 24-ID-C
Spacegroup: P212121
Unit cell:
a: 76.99Å b: 106.91Å c: 209.48Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.274 0.271 0.324
Expression system: Escherichia coli