1SQN Hormone Growth Factor Receptor date Mar 19, 2004
title Progesterone Receptor Ligand Binding Domain With Bound Noret
authors S.P.Williams, K.P.Madauss, J.S.Deng, R.J.H.Austin, M.H.Lambert, J.Pritchard, S.A.Short, E.L.Stewart, I.J.Uings
compound source
Molecule: Progesterone Receptor
Chain: A, B
Fragment: Residues 676-933, Ligand Binding Domain
Synonym: Pr
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Humpgrr
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21[De3]
Expression_system_vector_type: T7
Expression_system_plasmid: Gst-Pr Lbd
Other_details: Gst Fusion
symmetry Space Group: P 1 21 1
R_factor 0.186 R_Free 0.216
length a length b length c angle alpha angle beta angle gamma
57.753 64.142 70.138 90.00 95.84 90.00
method X-Ray Diffractionresolution 1.45 Å
ligand NDR BindingDB enzyme
related structures by homologous chain: 1SR7
Primary referenceProgesterone receptor ligand binding pocket flexibility: crystal structures of the norethindrone and mometasone furoate complexes., Madauss KP, Deng SJ, Austin RJ, Lambert MH, McLay I, Pritchard J, Short SA, Stewart EL, Uings IJ, Williams SP, J Med Chem 2004 Jun 17;47(13):3381-7. PMID:15189034
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (92 Kb) [Save to disk]
  • Biological Unit Coordinates (1sqn.pdb1.gz) 44 Kb
  • Biological Unit Coordinates (1sqn.pdb2.gz) 44 Kb
  • LPC: Ligand-Protein Contacts for 1SQN
  • CSU: Contacts of Structural Units for 1SQN
  • Likely Quarternary Molecular Structure file(s) for 1SQN
  • Structure Factors (546 Kb)
  • Retrieve 1SQN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SQN from S2C, [Save to disk]
  • Re-refined 1sqn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1SQN 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 1SQN
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1SQN 1SQNA 1SQNB from the CEP Server.
  • 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 1SQN, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sqna_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1sqnb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1sqn 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: [1sqn] [1sqn_B] [1sqn_A]
  • SWISS-PROT database: [P06401]
  • Domain organization of [PRGR_HUMAN] by SWISSPFAM
  • Domain found in 1SQN: [HOLI ] by SMART
  • Other resources with information on 1SQN
  • Community annotation for 1SQN 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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