7NN9 Hydrolase (O-Glycosyl) date Mar 15, 1995
title Native Influenza Virus Neuraminidase Subtype N9 (Tern)
authors J.N.Varghese, P.M.Colman
compound source
Molecule: Neuraminidase N9
Chain: A
Synonym: Sialidase
Organism_scientific: Influenza A Virus (Aternaustraliag70c1975(H11n9));
Organism_taxid: 384509
Strain: Aternaustraliag70c75
symmetry Space Group: I 4 3 2
R_factor 0.152 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
182.800 182.800 182.800 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CA, MAN, NAG enzyme Hydrolase E.C. BRENDA
note 7NN9 supersedes 2NN9
related structures by homologous chain: 1BJI, 2QWE

Primary referenceThree-dimensional structure of the complex of 4-guanidino-Neu5Ac2en and influenza virus neuraminidase., Varghese JN, Epa VC, Colman PM, Protein Sci 1995 Jun;4(6):1081-7. PMID:7549872
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk]
  • Biological Unit Coordinates (7nn9.pdb1.gz) 271 Kb
  • LPC: Ligand-Protein Contacts for 7NN9
  • CSU: Contacts of Structural Units for 7NN9
  • Likely Quarternary Molecular Structure file(s) for 7NN9
  • Structure Factors (237 Kb)
  • Retrieve 7NN9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 7NN9 from S2C, [Save to disk]
  • Re-refined 7nn9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 7NN9 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 7NN9
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 7NN9, from MSDmotif at EBI
  • Genome occurence of 7NN9's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d7nn9__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 7nn9 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: [7nn9_A] [7nn9]
  • SWISS-PROT database: [P03472]
  • Domain organization of [NRAM_I75A5] by SWISSPFAM
  • Other resources with information on 7NN9
  • Community annotation for 7NN9 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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