1A46 Hydrolase Hydrolase Inhibitor date Feb 11, 1998
title Thrombin Complexed With Hirugen And A Beta-Strand Mimetic In
authors R.St Charles, J.H.Matthews, E.Zhang, A.Tulinsky, M.Kahn
compound source
Molecule: Alpha-Thrombin (Small Subunit)
Chain: L
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Blood
Tissue: Blood

Molecule: Alpha-Thrombin (Large Subunit)
Chain: H

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Organ: Blood
Tissue: Blood

Molecule: Hirugen
Chain: I

Organism_scientific: Hirudo Medicinalis
Organism_common: Medicinal Leech
Organism_taxid: 6421
symmetry Space Group: C 1 2 1
R_factor 0.155 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
71.300 73.090 73.820 90.00 101.12 90.00
method X-Ray Diffractionresolution 2.12 Å
ligand 00K, NA, TYS enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1B7X, 1NZQ


Primary referenceBound structures of novel P3-P1' beta-strand mimetic inhibitors of thrombin., St Charles R, Matthews JH, Zhang E, Tulinsky A, J Med Chem 1999 Apr 22;42(8):1376-83. PMID:10212123
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk]
  • Biological Unit Coordinates (1a46.pdb1.gz) 52 Kb
  • LPC: Ligand-Protein Contacts for 1A46
  • CSU: Contacts of Structural Units for 1A46
  • Likely Quarternary Molecular Structure file(s) for 1A46
  • Structure Factors (85 Kb)
  • Retrieve 1A46 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1A46 from S2C, [Save to disk]
  • Re-refined 1a46 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1A46 in 3D
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  • 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 1A46
  • 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 1A46, from MSDmotif at EBI
  • Genome occurence of 1A46's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1a46.1, region L:,H [Jmol] [rasmolscript] [script source]
  • Fold representative 1a46 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: [1a46] [1a46_I] [1a46_H] [1a46_L]
  • SWISS-PROT database: [P09945] [P00734]
  • Domain organization of [HIRV2_HIRME] [THRB_HUMAN] by SWISSPFAM
  • Domain found in 1A46: [Tryp_SPc ] by SMART
  • Other resources with information on 1A46
  • Community annotation for 1A46 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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