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Crystal Structure of the CUB1-EGF Interaction Domain of Complement Protease C1s

X-ray diffraction
1.5Å resolution
PDB entry 1nzi coloured by chain, front view.
PDB entry 1nzi coloured by chain, side view.
PDB entry 1nzi coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Complement C1s subcomponent heavy chain
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Multimeric state: homo dimer
Accessible surface area: 16611.67 Å2
Buried surface area: 2350.0 Å2
Dissociation area: 1,063.15 Å2
Dissociation energy (ΔGdiss): 7.31 kcal/mol
Dissociation entropy (TΔSdiss): 12.6 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-140783

Macromolecules

Complement C1s subcomponent heavy chain
Chains: A, B
Length: 159 amino acids
Theoretical weight: 18.14 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P09871 (Residues: 16-174; Coverage: 24%)
Gene name: C1S
Pfam:
InterPro:
CATH:
SCOP:
Complement C1s subcomponent heavy chain in PDB entry 1nzi, assembly 1, front view.
Complement C1s subcomponent heavy chain in PDB entry 1nzi, assembly 1, side view.
Complement C1s subcomponent heavy chain in PDB entry 1nzi, assembly 1, top view.
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