1S3X Chaperone date Jan 14, 2004
title The Crystal Structure Of The Human Hsp70 Atpase Domain
authors M.Sriram, J.Osipiuk, B.Freeman, R.I.Morimoto, A.Joachimiak
compound source
Molecule: Heat Shock 70 Kda Protein 1
Chain: A
Fragment: Atpase Domain
Synonym: Hsp70.1, Hsp70-1hsp70-2
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hspa1a, Hspa1, Hspa1b
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.203 R_Free 0.219
length a length b length c angle alpha angle beta angle gamma
145.470 63.340 45.950 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.84 Å
ligand ADP, CA, NA, PO4 BindingDB enzyme
related structures by homologous chain: 1KAX, 1QQM
Primary referenceHuman Hsp70 molecular chaperone binds two calcium ions within the ATPase domain., Sriram M, Osipiuk J, Freeman B, Morimoto R, Joachimiak A, Structure 1997 Mar 15;5(3):403-14. PMID:9083109
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk]
  • Biological Unit Coordinates (1s3x.pdb1.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 1S3X
  • CSU: Contacts of Structural Units for 1S3X
  • Likely Quarternary Molecular Structure file(s) for 1S3X
  • Retrieve 1S3X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1S3X from S2C, [Save to disk]
  • View 1S3X 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 1S3X
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1S3X, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1s3xa2, region A:189-382 [Jmol] [rasmolscript] [script source]
        - Domain d1s3xa1, region A:3-188 [Jmol] [rasmolscript] [script source]
  • Fold representative 1s3x 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: [1s3x] [1s3x_A]
  • SWISS-PROT database: [P08107]
  • Belongs to the cation channel-forming heat shock protein-70 (hsp70) family according to TCDB.
  • Domain organization of [HSP71_HUMAN] by SWISSPFAM
  • Other resources with information on 1S3X
  • Community annotation for 1S3X 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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