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Structure of complex between E. coli translation termination factor RF1 and the PrmC methyltransferase

X-ray diffraction
3.1Å resolution
PDB entry 2b3t coloured by chain, front view.
PDB entry 2b3t coloured by chain, side view.
PDB entry 2b3t coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Peptide chain release factor RF1 and Release factor glutamine methyltransferase
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Multimeric state: hetero dimer
Accessible surface area: 27835.9 Å2
Buried surface area: 3480.99 Å2
Dissociation area: 1,740.5 Å2
Dissociation energy (ΔGdiss): 3.21 kcal/mol
Dissociation entropy (TΔSdiss): 13.46 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-141598

Macromolecules

Release factor glutamine methyltransferase
Chain: A
Length: 276 amino acids
Theoretical weight: 30.88 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ACC1 (Residues: 1-276; Coverage: 100%)
Gene names: JW1203, b1212, hemK, prmC
Pfam:
InterPro:
CATH:
SCOP: N5-glutamine methyltransferase, HemK
Release factor glutamine methyltransferase in PDB entry 2b3t, assembly 1, front view.
Release factor glutamine methyltransferase in PDB entry 2b3t, assembly 1, side view.
Release factor glutamine methyltransferase in PDB entry 2b3t, assembly 1, top view.
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Peptide chain release factor RF1
Chain: B
Length: 360 amino acids
Theoretical weight: 40.56 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A7I0 (Residues: 1-360; Coverage: 100%)
Gene names: JW1202, b1211, prfA, sueB, uar
Pfam:
InterPro:
CATH:
SCOP: Release factor
Peptide chain release factor RF1 in PDB entry 2b3t, assembly 1, front view.
Peptide chain release factor RF1 in PDB entry 2b3t, assembly 1, side view.
Peptide chain release factor RF1 in PDB entry 2b3t, assembly 1, top view.
Molecule details ›

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