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Trivalent Recognition Unit of Innate Immunity System; Crystal Structure of human M-ficolin Fibrinogen-like Domain

X-ray diffraction
1.9Å resolution
PDB entry 2d39 coloured by chain, front view.
PDB entry 2d39 coloured by chain, side view.
PDB entry 2d39 coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Ficolin-1
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Multimeric state: homo trimer
Accessible surface area: 25300.01 Å2
Buried surface area: 3268.52 Å2
Dissociation area: 1,544.27 Å2
Dissociation energy (ΔGdiss): -0.18 kcal/mol
Dissociation entropy (TΔSdiss): 25.69 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-126364

Macromolecules

Ficolin-1
Chains: A, B, C
Length: 237 amino acids
Theoretical weight: 26.86 KDa
Source organism: Homo sapiens
Expression system: Komagataella pastoris
UniProt:
  • Canonical: O00602 (Residues: 115-326; Coverage: 71%)
Gene names: FCN1, FCNM
Pfam: Fibrinogen beta and gamma chains, C-terminal globular domain
InterPro:
CATH:
Ficolin-1 in PDB entry 2d39, assembly 1, front view.
Ficolin-1 in PDB entry 2d39, assembly 1, side view.
Ficolin-1 in PDB entry 2d39, assembly 1, top view.
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