3zeu

X-ray diffraction
1.65Å resolution

Function and Biology Details

Reaction catalysed:
L-threonylcarbamoyladenylate + adenine(37) in tRNA = AMP + N(6)-L-threonylcarbamoyladenine(37) in tRNA

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-123129 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
tRNA threonylcarbamoyladenosine biosynthesis protein TsaB Chains: A, D
Molecule details ›
Chains: A, D
Length: 231 amino acids
Theoretical weight: 25 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. ST4/74
Expression system: Escherichia coli
UniProt:
  • Canonical: E8X8J1 (Residues: 1-231; Coverage: 100%)
Gene names: STM474_1842, yeaz
Sequence domains: tRNA N6-adenosine threonylcarbamoyltransferase
Structure domains: Nucleotidyltransferase; domain 5
tRNA N6-adenosine threonylcarbamoyltransferase Chains: B, E
Molecule details ›
Chains: B, E
Length: 337 amino acids
Theoretical weight: 35.98 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. ST4/74
Expression system: Escherichia coli
UniProt:
  • Canonical: P40731 (Residues: 1-337; Coverage: 100%)
Gene names: STM3208, gcp, tsaD
Sequence domains: tRNA N6-adenosine threonylcarbamoyltransferase
Structure domains: Nucleotidyltransferase; domain 5

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Spacegroup: P1
Unit cell:
a: 61.214Å b: 68.084Å c: 87.624Å
α: 107.66° β: 92.63° γ: 116.45°
R-values:
R R work R free
0.16 0.159 0.186
Expression system: Escherichia coli