Structure analysis

Crystal structure of the UHM domain of human SPF45 in complex with SF3b155-ULM5

X-ray diffraction
2.11Å resolution
Source organism: Homo sapiens
Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero dimer
Accessible surface area: 6084.83 Å2
Buried surface area: 1044.0 Å2
Dissociation area: 522 Å2
Dissociation energy (ΔGdiss): 2.54 kcal/mol
Dissociation entropy (TΔSdiss): 7.49 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-131048
Assembly 2
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Multimeric state: hetero dimer
Accessible surface area: 5907.11 Å2
Buried surface area: 930.5 Å2
Dissociation area: 465.25 Å2
Dissociation energy (ΔGdiss): 1.44 kcal/mol
Dissociation entropy (TΔSdiss): 6.9 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-131048
Assembly 3
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Multimeric state: hetero tetramer
Accessible surface area: 11505.87 Å2
Buried surface area: 2460.56 Å2
Dissociation area: 243.03 Å2
Dissociation energy (ΔGdiss): -3.9 kcal/mol
Dissociation entropy (TΔSdiss): 10.92 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-131050

Macromolecules

Chains: A, B
Length: 105 amino acids
Theoretical weight: 11.69 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q96I25 (Residues: 301-401; Coverage: 25%)
Gene names: RBM17, SPF45
Pfam: RNA recognition motif
InterPro:
CATH: Alpha-Beta Plaits

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Chains: C, D
Length: 10 amino acids
Theoretical weight: 1.31 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: O75533 (Residues: 333-342; Coverage: 1%)
Gene names: SAP155, SF3B1

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