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Crystal structure of the GTP-bound Rab1a in complex with the coiled-coil domain of LidA from Legionella pneumophila

X-ray diffraction
2.183Å resolution
PDB entry 3tkl coloured by chain, front view.
PDB entry 3tkl coloured by chain, side view.
PDB entry 3tkl coloured by chain, top view.
Source organisms:
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Ras-related protein Rab-1A
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Multimeric state: hetero dimer
Accessible surface area: 18371.02 Å2
Buried surface area: 3234.43 Å2
Dissociation area: 1,101.5 Å2
Dissociation energy (ΔGdiss): 3.94 kcal/mol
Dissociation entropy (TΔSdiss): 12.28 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-158707

Macromolecules

Ras-related protein Rab-1A
Chain: A
Length: 196 amino acids
Theoretical weight: 21.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P62820 (Residues: 1-191; Coverage: 93%)
Gene names: RAB1, RAB1A
Pfam: Ras family
InterPro:
CATH: P-loop containing nucleotide triphosphate hydrolases
Ras-related protein Rab-1A in PDB entry 3tkl, assembly 1, front view.
Ras-related protein Rab-1A in PDB entry 3tkl, assembly 1, side view.
Ras-related protein Rab-1A in PDB entry 3tkl, assembly 1, top view.
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LidA protein, substrate of the Dot/Icm system
Chain: B
Length: 267 amino acids
Theoretical weight: 30.63 KDa
Source organism: Legionella pneumophila str. Corby
Expression system: Escherichia coli
InterPro: LidA long coiled-coil domain
CATH:
LidA protein, substrate of the Dot/Icm system in PDB entry 3tkl, assembly 1, front view.
LidA protein, substrate of the Dot/Icm system in PDB entry 3tkl, assembly 1, side view.
LidA protein, substrate of the Dot/Icm system in PDB entry 3tkl, assembly 1, top view.
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