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1.15 Angstrom crystal structure of P.pastoris aquaporin, Aqy1, in a closed conformation at pH 3.5

X-ray diffraction
1.15Å resolution
PDB entry 2w2e coloured by chain, front view.
PDB entry 2w2e coloured by chain, side view.
PDB entry 2w2e coloured by chain, top view.
Source organism: Komagataella pastoris
Assembly composition:
homo tetramer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Aquaporin-1
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Multimeric state: homo tetramer
Accessible surface area: 34439.69 Å2
Buried surface area: 31748.43 Å2
Dissociation area: 118.83 Å2
Dissociation energy (ΔGdiss): 11.8 kcal/mol
Dissociation entropy (TΔSdiss): -0.81 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-123393

Macromolecules

Aquaporin-1
Chain: A
Length: 279 amino acids
Theoretical weight: 29.93 KDa
Source organism: Komagataella pastoris
UniProt:
  • Canonical: F2QVG4 (Residues: 1-279; Coverage: 100%)
Gene names: AQY1, PP7435_Chr3-0430
Pfam: Major intrinsic protein
InterPro:
CATH: Glycerol uptake facilitator protein.
Aquaporin-1 in PDB entry 2w2e, assembly 1, front view.
Aquaporin-1 in PDB entry 2w2e, assembly 1, side view.
Aquaporin-1 in PDB entry 2w2e, assembly 1, top view.
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