1N1X Crystal Structure Analysis of the monomeric [S-carboxyamidomethyl-Cys31, S-carboxyamidomethyl-Cys32] Bovine seminal ribonuclease date
authors Sica, F., Fiore, A.Di., Zagari, A., Mazzarella, L.
compound source
R_Free 0.258
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 1.45
ligand YCM enzyme
related structures by homologous chain: 1EIE, 3RN3
  • ribonuclease A activity

  • Primary referenceThe unswapped chain of bovine seminal ribonuclease: Crystal structure of the free and liganded monomeric derivative., Sica F, Di Fiore A, Zagari A, Mazzarella L, Proteins 2003 Aug 1;52(2):263-71. PMID:12833549
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk]
  • Biological Unit Coordinates (1n1x.pdb1.gz) 24 Kb
  • LPC: Ligand-Protein Contacts for 1N1X
  • CSU: Contacts of Structural Units for 1N1X
  • Likely Quarternary Molecular Structure file(s) for 1N1X
  • Structure Factors (163 Kb)
  • Retrieve 1N1X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1N1X from S2C, [Save to disk]
  • Re-refined 1n1x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1N1X 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 1N1X
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1N1X 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 1N1X, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1n1xa_, 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: [1n1x_A] [1n1x]
  • SWISS-PROT database: [P00669]
  • Domain organization of [RNS_BOVIN] by SWISSPFAM
  • Domain found in 1N1X: [RNAse_Pc ] by SMART
  • Other resources with information on 1N1X
  • Community annotation for 1N1X 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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