3NG1 Signal Recognition date Sep 13, 1998
title N And Gtpase Domains Of The Signal Sequence Recognition Prot From Thermus Aquaticus
authors D.M.Freymann, R.M.Stroud, P.Walter
compound source
Molecule: Signal Sequence Recognition Protein Ffh
Chain: A, B
Fragment: Ng Gtpase Fragment
Synonym: Ffh
Engineered: Yes
 Organism_scientific: Thermus Aquaticus
Organism_taxid: 271
Gene: Ffh
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3) Plyse
Expression_system_plasmid: Pet3c
symmetry Space Group: P 21 21 21
R_factor 0.199 R_Free 0.225
crystal
cell
length a length b length c angle alpha angle beta angle gamma
73.310 99.010 99.830 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand CD, EDO, SO4 enzyme
related structures by homologous chain: 1JPJ, 1O87
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceFunctional changes in the structure of the SRP GTPase on binding GDP and Mg2+GDP., Freymann DM, Keenan RJ, Stroud RM, Walter P, Nat Struct Biol 1999 Aug;6(8):793-801. PMID:10426959
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk]
  • Biological Unit Coordinates (3ng1.pdb1.gz) 49 Kb
  • Biological Unit Coordinates (3ng1.pdb2.gz) 49 Kb
  • LPC: Ligand-Protein Contacts for 3NG1
  • CSU: Contacts of Structural Units for 3NG1
  • Likely Quarternary Molecular Structure file(s) for 3NG1
  • Structure Factors (209 Kb)
  • Retrieve 3NG1 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3NG1 from S2C, [Save to disk]
  • Re-refined 3ng1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 3NG1 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 3NG1
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3NG1, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3ng1a1, region A:1-88 [Jmol] [rasmolscript] [script source]
        - Domain d3ng1a2, region A:89-294 [Jmol] [rasmolscript] [script source]
        - Domain d3ng1b1, region B:1-88 [Jmol] [rasmolscript] [script source]
        - Domain d3ng1b2, region B:89-294 [Jmol] [rasmolscript] [script source]
        - Domain d1g3ng1, region G:16-147 [Jmol] [rasmolscript] [script source]
        - Domain d1n3ng1, region G:182-276 [Jmol] [rasmolscript] [script source]
        - Domain d1r3ng1, region G:26-247,G:364-455 [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: [3ng1_B] [3ng1] [3ng1_A]
  • SWISS-PROT database: [O07347]
  • Domain organization of [SRP54_THEAQ] by SWISSPFAM
  • Domains found in 3NG1: [AAA] [SRP54] [SRP54_N ] by SMART
    • Other resources with information on 3NG1
  • Community annotation for 3NG1 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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