6jo8

X-ray diffraction
3.5Å resolution

The complex structure of CHIKV envelope glycoprotein bound to human MXRA8

Released:

Function and Biology Details

Reaction catalysed:
Autocatalytic release of the core protein from the N-terminus of the togavirus structural polyprotein by hydrolysis of a -Trp-|-Ser- bond.
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-107388 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (4 distinct):
p130 Chains: A, C, E
Molecule details ›
Chains: A, C, E
Length: 406 amino acids
Theoretical weight: 45.88 KDa
Source organism: Chikungunya virus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: C8YZ73 (Residues: 262-666; Coverage: 33%)
Sequence domains:
Structure domains:
Alphavirus E1 glycoprotein domain-containing protein Chains: B, D, F
Molecule details ›
Chains: B, D, F
Length: 432 amino acids
Theoretical weight: 46.03 KDa
Source organism: Chikungunya virus
Expression system: Trichoplusia ni
UniProt:
  • Canonical: A4L787 (Residues: 101-512; Coverage: 76%)
Sequence domains: Alphavirus E1 glycoprotein
Matrix remodeling-associated protein 8 Chains: M, N, O
Molecule details ›
Chains: M, N, O
Length: 269 amino acids
Theoretical weight: 30.15 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9BRK3 (Residues: 25-292; Coverage: 63%)
Gene name: MXRA8
Sequence domains: Immunoglobulin V-set domain

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, NDG
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL19U1
Spacegroup: P3121
Unit cell:
a: 208.79Å b: 208.79Å c: 299.739Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.25 0.248 0.271
Expression systems:
  • Trichoplusia ni
  • Escherichia coli