1A4Q Hydrolase date Jan 30, 1998
title Influenza Virus Bbeijing187 Neuraminidase Complexed With Dihydropyran-Phenethyl-Propyl-Carboxamide
authors A.Cleasby, O.Singh, T.Skarzynski, A.J.Wonacott
compound source
Molecule: Neuraminidase
Chain: A, B
Fragment: Residues 76-465
Synonym: Sialidase
Ec: 3.2.1.18
Organism_scientific: Influenza B Virus (Strain Bbeijing1
Organism_taxid: 11525
Strain: Bbeijing187
symmetry Space Group: P 31 2 1
R_factor 0.201 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
88.300 88.300 221.100 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.90 Å
ligand CA, DPC, NAG BindingDB enzyme Hydrolase E.C.3.2.1.18 BRENDA
related structures by homologous chain: 1NSB, 1NSD
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceDihydropyrancarboxamides related to zanamivir: a new series of inhibitors of influenza virus sialidases. 2. Crystallographic and molecular modeling study of complexes of 4-amino-4H-pyran-6-carboxamides and sialidase from influenza virus types A and B., Taylor NR, Cleasby A, Singh O, Skarzynski T, Wonacott AJ, Smith PW, Sollis SL, Howes PD, Cherry PC, Bethell R, Colman P, Varghese J, J Med Chem 1998 Mar 12;41(6):798-807. PMID:9526556
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (138 Kb) [Save to disk]
  • Biological Unit Coordinates (1a4q.pdb1.gz) 259 Kb
  • LPC: Ligand-Protein Contacts for 1A4Q
  • CSU: Contacts of Structural Units for 1A4Q
  • Likely Quarternary Molecular Structure file(s) for 1A4Q
  • Retrieve 1A4Q in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1A4Q from S2C, [Save to disk]
  • View 1A4Q 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 1A4Q
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1A4Q, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1a4qa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1a4qb_, region B [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: [1a4q_A] [1a4q_B] [1a4q]
  • SWISS-PROT database: [P27907]
  • Domain organization of [NRAM_INBBE] by SWISSPFAM
  • Other resources with information on 1A4Q
  • Community annotation for 1A4Q 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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