8u4o

Electron Microscopy
3.29Å resolution

Structure of CXCL12-bound CXCR4/Gi complex

Released:

Function and Biology Details

Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero pentamer (preferred)
PDBe Complex ID:
PDB-CPX-245783 (preferred)
Entry contents:
5 distinct polypeptide molecules
Macromolecules (5 distinct):
C-X-C chemokine receptor type 4; Green fluorescent protein Chain: R
Molecule details ›
Chain: R
Length: 632 amino acids
Theoretical weight: 71.06 KDa
Source organisms: Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P61073 (Residues: 2-352; Coverage: 100%)
  • Canonical: P42212 (Residues: 1-238; Coverage: 100%)
Gene names: CXCR4, GFP
Sequence domains:
Guanine nucleotide-binding protein G(i) subunit alpha-1 Chain: A
Molecule details ›
Chain: A
Length: 365 amino acids
Theoretical weight: 41.59 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P63096 (Residues: 2-354; Coverage: 100%)
  • Best match: P63096-2 (Residues: 1-302)
Gene name: GNAI1
Sequence domains: G-protein alpha subunit
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 Chain: B
Molecule details ›
Chain: B
Length: 350 amino acids
Theoretical weight: 38.53 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P62873 (Residues: 2-340; Coverage: 100%)
Gene name: GNB1
Sequence domains: WD domain, G-beta repeat
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 Chain: C
Molecule details ›
Chain: C
Length: 71 amino acids
Theoretical weight: 7.86 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P59768 (Residues: 1-71; Coverage: 100%)
Gene name: GNG2
Sequence domains: GGL domain
Stromal cell-derived factor 1 Chain: J
Molecule details ›
Chain: J
Length: 68 amino acids
Theoretical weight: 7.98 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P48061 (Residues: 22-89; Coverage: 94%)
Gene names: CXCL12, SDF1, SDF1A, SDF1B
Sequence domains: Small cytokines (intecrine/chemokine), interleukin-8 like

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.29Å
Relevant EMDB volumes: EMD-41889
Expression systems:
  • Spodoptera frugiperda
  • Escherichia coli