1IXG Phosphate Transport date Aug 01, 1996
title Phosphate-Binding Protein Mutant With Thr 141 Replaced By As Complexed With Phospate
authors Z.Wang, H.Luecke, F.A.Quiocho
compound source
Molecule: Phosphate-Binding Protein
Chain: A
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Strain: Pan92
Cell_line: An2538
Cellular_location: Periplasm
Gene: Pho-S
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Pibi24
Expression_system_cell_line: An2538
Expression_system_cellular_location: Periplasm
symmetry Space Group: P 21 21 21
length a length b length c angle alpha angle beta angle gamma
41.645 63.493 123.788 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.05 Å
ligand PO4 enzyme
related structures by homologous chain: 1A54, 1IXH

Primary referenceA low energy short hydrogen bond in very high resolution structures of protein receptor--phosphate complexes., Wang Z, Luecke H, Yao N, Quiocho FA, Nat Struct Biol 1997 Jul;4(7):519-22. PMID:9228942
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (169 Kb) [Save to disk]
  • Biological Unit Coordinates (1ixg.pdb1.gz) 160 Kb
  • LPC: Ligand-Protein Contacts for 1IXG
  • CSU: Contacts of Structural Units for 1IXG
  • Likely Quarternary Molecular Structure file(s) for 1IXG
  • Retrieve 1IXG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IXG from S2C, [Save to disk]
  • View 1IXG 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 1IXG
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1IXG from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1IXG, from MSDmotif at EBI
  • Genome occurence of 1IXG's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ixg__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 1ixg 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: [1ixg] [1ixg_A]
  • SWISS-PROT database: [P0AG82]
  • Belongs to the atp-binding cassette (abc) superfamily according to TCDB.
  • Domain organization of [PSTS_ECOLI] by SWISSPFAM
  • Other resources with information on 1IXG
  • Community annotation for 1IXG at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1IXG from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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