1A28 Progesterone Receptor date Jan 19, 1998
title Hormone-Bound Human Progesterone Receptor Ligand-Binding Domain
authors P.B.Sigler, S.P.Williams
compound source
Molecule: Progesterone Receptor
Chain: A, B
Fragment: Ligand Binding Domain
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell_line: T47-D
Gene: Pgr
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ppr677-933
Expression_system_gene: Pgr
Other_details: Breast Cancer
symmetry Space Group: P 1 21 1
R_factor 0.191 R_Free 0.227
length a length b length c angle alpha angle beta angle gamma
58.123 64.444 69.954 90.00 95.74 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand STR BindingDB enzyme
related structures by homologous chain: 1E3K, 1SR7
Primary referenceAtomic structure of progesterone complexed with its receptor., Williams SP, Sigler PB, Nature 1998 May 28;393(6683):392-6. PMID:9620806
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (90 Kb) [Save to disk]
  • Biological Unit Coordinates (1a28.pdb1.gz) 44 Kb
  • Biological Unit Coordinates (1a28.pdb2.gz) 44 Kb
  • LPC: Ligand-Protein Contacts for 1A28
  • CSU: Contacts of Structural Units for 1A28
  • Likely Quarternary Molecular Structure file(s) for 1A28
  • Structure Factors (367 Kb)
  • Retrieve 1A28 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1A28 from S2C, [Save to disk]
  • Re-refined 1a28 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1A28 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 1A28
  • 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 1A28, from MSDmotif at EBI
  • Genome occurence of 1A28's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1a28a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1a28b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1a28 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: [1a28_A] [1a28] [1a28_B]
  • SWISS-PROT database: [P06401]
  • Domain organization of [PRGR_HUMAN] by SWISSPFAM
  • Domain found in 1A28: [HOLI ] by SMART
  • Other resources with information on 1A28
  • Community annotation for 1A28 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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