3LOF

C-terminal domain of human heat shock 70kDa protein 1B.

• PDB DOI: https://doi.org/10.2210/pdb3LOF/pdb

• Classification: CHAPERONE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-02-03 Released: 2010-02-16 
• Deposition Author(s): Osipiuk, J., Gu, M., Mihelic, M., Orton, K., Morimoto, R.I., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.235 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 

Literature

X-ray crystal structure of C-terminal domain of human heat shock 70kDa protein 1B.

Osipiuk, J., Gu, M., Mihelic, M., Orton, K., Morimoto, R.I., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 71.66 kDa 
• Atom Count: 3,934 
• Modelled Residue Count: 485 
• Deposited Residue Count: 678 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heat shock 70 kDa protein 1	A, B, C, D, E, F	113	Homo sapiens	Mutation(s): 0  Gene Names: HSPA1, HSPA1A, HSPA1B
UniProt & NIH Common Fund Data Resources
Find proteins for P0DMV8 (Homo sapiens) Explore P0DMV8  Go to UniProtKB:  P0DMV8
PHAROS:  P0DMV8 GTEx:  ENSG00000204389

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D, E, F	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.235 
• R-Value Work: 0.192 
• R-Value Observed: 0.194 
• Space Group: P 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.702	α = 90
b = 71.88	β = 90
c = 143.159	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-02-16 
Deposition Author(s): Osipiuk, J., Gu, M., Mihelic, M., Orton, K., Morimoto, R.I., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2010-02-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2024-11-06
  Changes: Data collection, Database references, Derived calculations, Structure summary