1U7G Transport Protein date Aug 03, 2004
title Crystal Structure Of Ammonia Channel Amtb From E. Coli
authors S.Khademi, J.O'Connell Iii, J.Remis, Y.Robles-Colmenares, L.J.W. R.M.Stroud
compound source
Molecule: Probable Ammonium Transporter
Chain: A
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Amtb
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet29b
symmetry Space Group: P 63
R_factor 0.133 R_Free 0.168
length a length b length c angle alpha angle beta angle gamma
96.541 96.541 94.622 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.40 Å
ligand BOG, MSE, NH3, NH4 enzyme
note 1U7G is a representative structure
related structures by homologous chain: 1XQF

Primary referenceMechanism of ammonia transport by Amt/MEP/Rh: structure of AmtB at 1.35 A., Khademi S, O'Connell J 3rd, Remis J, Robles-Colmenares Y, Miercke LJ, Stroud RM, Science 2004 Sep 10;305(5690):1587-94. PMID:15361618
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (139 Kb) [Save to disk]
  • Biological Unit Coordinates (1u7g.pdb1.gz) 394 Kb
  • LPC: Ligand-Protein Contacts for 1U7G
  • CSU: Contacts of Structural Units for 1U7G
  • Likely Quarternary Molecular Structure file(s) for 1U7G
  • Structure Factors (1313 Kb)
  • Retrieve 1U7G in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1U7G from S2C, [Save to disk]
  • Re-refined 1u7g structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1U7G 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 1U7G
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1U7G from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1U7G, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1u7ga_, region A [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1u7g] [1u7g_A]
  • SWISS-PROT database: [P69681]
  • Belongs to the ammonium transporter channel (amt) family according to TCDB.
  • Domain organization of [AMTB_ECOLI] by SWISSPFAM
  • Other resources with information on 1U7G
  • Community annotation for 1U7G 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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