1H6I Membrane Protein date Jun 15, 2001
title A Refined Structure Of Human Aquaporin 1
authors B.L.De Groot, A.Engel, H.Grubmuller
compound source
Molecule: Aquaporin-1
Chain: A
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell: Erythrocyte
symmetry Space Group: P 4 21 2
R_factor 0.364 R_Free 0.376
length a length b length c angle alpha angle beta angle gamma
99.580 99.580 100.000 90.00 90.00 90.00
method Electron Crystallographyresolution 3.54 Å
subcellular loc. Membrane localization by OPM: Eukaryotic plasma membrane
extracellular side
cytoplasmic side
  • intracellular cGMP activated...
  • potassium channel activity
  • ammonium transmembrane trans...
  • potassium ion transmembrane ...
  • cell volume homeostasis
  • cellular water homeostasis
  • cellular homeostasis

  • Primary referenceA refined structure of human aquaporin-1., de Groot BL, Engel A, Grubmuller H, FEBS Lett 2001 Aug 31;504(3):206-11. PMID:11532455
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk]
  • Biological Unit Coordinates (1h6i.pdb1.gz) 31 Kb
  • CSU: Contacts of Structural Units for 1H6I
  • Likely Quarternary Molecular Structure file(s) for 1H6I
  • Retrieve 1H6I in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1H6I from S2C, [Save to disk]
  • View 1H6I in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1H6I
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1H6I, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1h6ia_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1h6i from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1h6i] [1h6i_A]
  • SWISS-PROT database: [P29972]
  • Belongs to the major intrinsic protein (mip) family according to TCDB.
  • Domain organization of [AQP1_HUMAN] by SWISSPFAM
  • Other resources with information on 1H6I
  • Community annotation for 1H6I at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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