Structure analysis

Crystal structure of the S1 domain of RNase E from E. coli (native)

X-ray diffraction
1.8Å resolution
Source organism: Escherichia coli
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule


Assembly 1 (preferred)
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Multimeric state: homo dimer
Accessible surface area: 10100 Å2
Buried surface area: 1300 Å2
Dissociation area: 650 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 11 kcal/mol
Interface energy (ΔGint): -7 kcal/mol
Symmetry number: 2


Chains: A, B
Length: 96 amino acids
Theoretical weight: 10.7 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21
  • Canonical: P21513 (Residues: 35-125; Coverage: 9%)
Gene names: JW1071, ams, b1084, hmp1, rne
Pfam: S1 RNA binding domain
CATH: Nucleic acid-binding proteins
SCOP: Cold shock DNA-binding domain-like

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