1g38

X-ray diffraction
2Å resolution

ADENINE-SPECIFIC METHYLTRANSFERASE M. TAQ I/DNA COMPLEX

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-113841 (preferred)
Entry contents:
1 distinct polypeptide molecule
2 distinct DNA molecules
Macromolecules (3 distinct):
Type II methyltransferase M.TaqI Chains: A, D
Molecule details ›
Chains: A, D
Length: 393 amino acids
Theoretical weight: 44.98 KDa
Source organism: Thermus aquaticus
Expression system: Escherichia coli
UniProt:
  • Canonical: P14385 (Residues: 21-413; Coverage: 93%)
Gene name: taqIM
Sequence domains:
Structure domains:
5'-D(*GP*TP*TP*CP*GP*AP*TP*GP*TP*C)-3' Chains: B, E
Molecule details ›
Chains: B, E
Length: 10 nucleotides
Theoretical weight: 3.05 KDa
Source organism: Thermus aquaticus
Expression system: Not provided
5'-D(*GP*AP*CP*AP*TP*CP*GP*(6MA)P*AP*C)-3' Chains: C, F
Molecule details ›
Chains: C, F
Length: 10 nucleotides
Theoretical weight: 3.05 KDa
Source organism: Thermus aquaticus
Expression system: Not provided

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ENRAF-NONIUS
Spacegroup: P21
Unit cell:
a: 59.5Å b: 68.65Å c: 114.43Å
α: 90° β: 92.2° γ: 90°
R-values:
R R work R free
0.208 0.196 0.234
Expression systems:
  • Escherichia coli
  • Not provided