Biological Assembly 1  

 3D View: Structure | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

 3D View: Structure | Ligand Interaction

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 31.63 kDa 
• Atom Count: 1806 
• Modelled Residue Count: 211 
• Deposited Residue Count: 266 
• Unique protein chains: 1

1DM9

HEAT SHOCK PROTEIN 15 KD

• DOI: 10.2210/pdb1DM9/pdb

• Classification: STRUCTURAL GENOMICS
• Organism(s): Escherichia coli
• Mutation(s): No 


• Deposited: 1999-12-14 Released: 2000-02-18 
• Deposition Author(s): Staker, B.L., Korber, P., Bardwell, J.C.A., Saper, M.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.286 
• R-Value Work: 0.226 
• R-Value Observed: 0.226 

Literature

Structure of Hsp15 reveals a novel RNA-binding motif.

Staker, B.L., Korber, P., Bardwell, J.C., Saper, M.A.

(2000) EMBO J 19: 749-757

• PubMed: 10675344 
• DOI: 10.1093/emboj/19.4.749
• Primary Citation of Related Structures:  
  1DM9


• PubMed Abstract: 
  

We have solved the crystal structure of the heat shock protein Hsp15, a newly isolated and very highly inducible heat shock protein that binds the ribosome. Comparison of its structure with those of two RNA-binding proteins, ribosomal protein S4 and threonyl-tRNA synthetase, reveals a novel RNA-binding motif. This newly recognized motif is remarkably common, present in at least eight different protein families that bind RNA. The motif's surface is populated by conserved, charged residues that define a likely RNA-binding site. An intriguing pattern emerges: stress proteins, ribosomal proteins and tRNA synthetases repeatedly share a conserved motif. This may imply a hitherto unrecognized functional similarity between these three protein classes.

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Organizational Affiliation: 

Department of Biological Chemistry, University of Michigan, Ann Arbor, MI 48109, USA.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HYPOTHETICAL 15.5 KD PROTEIN IN MRCA-PCKA INTERGENIC REGION	A, B	133	Escherichia coli	Mutation(s): 0
UniProt
Find proteins for P0ACG8 (Escherichia coli (strain K12)) Explore P0ACG8  Go to UniProtKB:  P0ACG8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth B], E [auth B], F [auth B], G [auth B], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.286 
• R-Value Work: 0.226 
• R-Value Observed: 0.226 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.07	α = 90
b = 67.93	β = 90
c = 41.01	γ = 90

Software Package:

Software Name	Purpose
MLPHARE	phasing
CNS	refinement
bioteX	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 1999-12-14 
• Released Date: 2000-02-18 
Deposition Author(s): Staker, B.L., Korber, P., Bardwell, J.C.A., Saper, M.A.

Revision History  

• Version 1.0: 2000-02-18
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description