3UX4	Transport Protein	date	Dec 03, 2011
title	Crystal Structure Of The Urea Channel From The Human Gastric Helicobacter Pylori
authors	R.Mcnulty, H.Luecke
compound		source
Molecule: Acid-Activated Urea Channel Chain: A, B, C Synonym: Urease Accessory Protein Urei Engineered: Yes		Organism_scientific: Helicobacter Pylori Organism_taxid: 85963 Strain: J99 Gene: Jhp_0066, Urei Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: C43 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet100d
symmetry	Space Group: P 42 21 2	R_factor 0.239 R_Free 0.299
crystal cell	length a length b length c angle alpha angle beta angle gamma 122.904 122.904 141.348 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.26 Å
ligand	XP4	enzyme
note	3UX4 (Molecule of the Month:pdb158)
Gene	JHP
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Structure of the proton-gated urea channel from the gastric pathogen Helicobacter pylori., Strugatsky D, McNulty R, Munson K, Chen CK, Soltis SM, Sachs G, Luecke H, Nature. 2012 Dec 9. doi: 10.1038/nature11684. PMID:23222544

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (204 Kb) [Save to disk] Biological Unit Coordinates (3ux4.pdb1.gz) 390 Kb LPC: Ligand-Protein Contacts for 3UX4 CSU: Contacts of Structural Units for 3UX4 Structure Factors (824 Kb) Retrieve 3UX4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3UX4 from S2C, [Save to disk] Re-refined 3ux4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3UX4 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 3UX4

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3UX4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ux4_A] [3ux4] [3ux4_C] [3ux4_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3UX4

Community annotation for 3UX4 at PDBWiki (http://pdbwiki.org)

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