1SXW Transport Protein date Mar 31, 2004
title 1.05 A Crystal Structure Of D30a Mutant Of Nitrophorin 4 Fro Prolixus Complexed With Nitric Oxide
authors E.M.Maes, A.Weichsel, J.F.Andersen, D.Shepley, W.R.Montfort
compound source
Molecule: Nitrophorin 4
Chain: A
Synonym: Np4
Engineered: Yes
Mutation: Yes
Organism_scientific: Rhodnius Prolixus
Organism_taxid: 13249
Organ: Salivary Gland
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21de3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet17b
symmetry Space Group: C 1 2 1
R_factor 0.152 R_Free 0.179
crystal
cell
length a length b length c angle alpha angle beta angle gamma
70.358 42.839 53.077 90.00 94.14 90.00
method X-Ray Diffractionresolution 1.05 Å
ligand HEM, NO, PO4 enzyme
related structures by homologous chain: 1SXX, 1SXY
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceRole of binding site loops in controlling nitric oxide release: structure and kinetics of mutant forms of nitrophorin 4., Maes EM, Weichsel A, Andersen JF, Shepley D, Montfort WR, Biochemistry 2004 Jun 1;43(21):6679-90. PMID:15157102
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk]
  • Biological Unit Coordinates (1sxw.pdb1.gz) 75 Kb
  • LPC: Ligand-Protein Contacts for 1SXW
  • CSU: Contacts of Structural Units for 1SXW
  • Likely Quarternary Molecular Structure file(s) for 1SXW
  • Structure Factors (1003 Kb)
  • Retrieve 1SXW in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SXW from S2C, [Save to disk]
  • Re-refined 1sxw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1SXW 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 1SXW
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1SXW 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 1SXW, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sxwa_, region A [Jmol] [rasmolscript] [script source]
  • 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: [1sxw] [1sxw_A]
  • SWISS-PROT database: [Q94734]
  • Domain organization of [NP4_RHOPR] by SWISSPFAM
  • Other resources with information on 1SXW
  • Community annotation for 1SXW 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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