1NQ9 Blood Clotting date Jan 21, 2003
title Crystal Structure Of Antithrombin In The Pentasaccharide-Bou Intermediate State
authors J.A.Huntington, D.J.D.Johnson
compound source
Molecule: Antithrombin-III
Chain: I, L
Synonym: Atiii; Pro0309
Other_details: Alpha Glycoform
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Blood
Tissue: Plasma
Other_details: Alpha Glycoform Purified From Discarded Plas
symmetry Space Group: P 1 21 1
R_factor 0.209 R_Free 0.250
crystal
cell
length a length b length c angle alpha angle beta angle gamma
69.679 86.760 96.921 90.00 109.54 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand NAG, NTP enzyme
related structures by homologous chain: 1E04, 2ANT
Gene
Ontology
ChainFunctionProcessComponent
I, L
  • serine-type endopeptidase in...


  • Primary referenceCrystal structure of antithrombin in a heparin-bound intermediate state., Johnson DJ, Huntington JA, Biochemistry 2003 Jul 29;42(29):8712-9. PMID:12873131
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk]
  • Biological Unit Coordinates (1nq9.pdb1.gz) 70 Kb
  • Biological Unit Coordinates (1nq9.pdb2.gz) 71 Kb
  • LPC: Ligand-Protein Contacts for 1NQ9
  • CSU: Contacts of Structural Units for 1NQ9
  • Likely Quarternary Molecular Structure file(s) for 1NQ9
  • Structure Factors (245 Kb)
  • Retrieve 1NQ9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NQ9 from S2C, [Save to disk]
  • Re-refined 1nq9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1NQ9 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 1NQ9
  • 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 1NQ9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1nq9i_, region I [Jmol] [rasmolscript] [script source]
        - Domain d1nq9l_, region L [Jmol] [rasmolscript] [script source]
  • Fold representative 1nq9 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: [1nq9_L] [1nq9_I] [1nq9]
  • SWISS-PROT database: [P01008]
  • Domain organization of [ANT3_HUMAN] by SWISSPFAM
  • Domain found in 1NQ9: [SERPIN ] by SMART
  • Other resources with information on 1NQ9
  • Community annotation for 1NQ9 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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