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Double layered 2D crystal structure of AQUAPORIN-4 (AQP4M23) at 3.2 a resolution by electron crystallography

Electron crystallography
3.2Å resolution
PDB entry 2d57 coloured by chain, front view.
PDB entry 2d57 coloured by chain, side view.
PDB entry 2d57 coloured by chain, top view.
Source organism: Rattus norvegicus
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-4
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Multimeric state: homo tetramer
Accessible surface area: 30567.32 Å2
Buried surface area: 12995.31 Å2
Dissociation area: 6,497.66 Å2
Dissociation energy (ΔGdiss): 102.83 kcal/mol
Dissociation entropy (TΔSdiss): 40.37 kcal/mol
Symmetry number: 4
PDBe Complex ID: PDB-CPX-155662

Macromolecules

Aquaporin-4
Chain: A
Length: 301 amino acids
Theoretical weight: 32.19 KDa
Source organism: Rattus norvegicus
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P47863 (Residues: 23-323; Coverage: 93%)
Gene name: Aqp4
Pfam: Major intrinsic protein
InterPro:
CATH: Glycerol uptake facilitator protein.
Aquaporin-4 in PDB entry 2d57, assembly 1, front view.
Aquaporin-4 in PDB entry 2d57, assembly 1, side view.
Aquaporin-4 in PDB entry 2d57, assembly 1, top view.
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