3D9S	Membrane Protein	date	May 27, 2008
title	Human Aquaporin 5 (Aqp5) - High Resolution X-Ray Structure
authors	R.Horsefield, K.Norden, M.Fellert, A.Backmark, S.Tornroth-Horsef A.C.Terwisscha Van Scheltinga, J.Kvassman, P.Kjellbom, U.Johan R.Neutze
compound		source
Molecule: Aquaporin-5 Chain: A, B, C, D Synonym: Aqp-5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Aqp5 Expression_system: Pichia Pastoris Expression_system_taxid: 4922 Expression_system_strain: X33 Expression_system_vector_type: Plasmid Expression_system_plasmid: Ppiczb Other_details: Easyselect Pichia Expression Kit (Invitrogen
symmetry	Space Group: P 21 21 21	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 90.477 90.644 184.395 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PS6	enzyme
note	3D9S is a representative structure
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	High-resolution x-ray structure of human aquaporin 5., Horsefield R, Norden K, Fellert M, Backmark A, Tornroth-Horsefield S, Terwisscha van Scheltinga AC, Kvassman J, Kjellbom P, Johanson U, Neutze R, Proc Natl Acad Sci U S A. 2008 Sep 9;105(36):13327-32. Epub 2008 Sep 3. PMID:18768791

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (3d9s.pdb1.gz) 146 Kb LPC: Ligand-Protein Contacts for 3D9S CSU: Contacts of Structural Units for 3D9S Likely Quarternary Molecular Structure file(s) for 3D9S Structure Factors (720 Kb) Retrieve 3D9S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3D9S from S2C, [Save to disk] Re-refined 3d9s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3D9S 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 3D9S

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3D9S, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3d9s_B] [3d9s] [3d9s_D] [3d9s_A] [3d9s_C] SWISS-PROT database: [P55064] Belongs to the major intrinsic protein (mip) family according to TCDB. Domain organization of [AQP5_HUMAN] by SWISSPFAM

Other resources with information on 3D9S

Community annotation for 3D9S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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