Biological Assembly 1  

 3D View: Structure | Electron Density

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Global Symmetry: Cyclic - C3  (3D View)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 36425.63 
• Atom Count: 1407 
• Residue Count: 332 
• Unique protein chains: 1

3NUM

Substrate induced remodeling of the active site regulates HtrA1 activity

• DOI: 10.2210/pdb3NUM/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): 1 


• Deposited: 2010-07-07 Released: 2011-02-23 
• Deposition Author(s): Truebestein, L., Tennstaedt, A., Hauske, P., Krojer, T., Kaiser, M., Clausen, T., Ehrmann, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 0.287 
• R-Value Work: 0.242 

Literature

Substrate-induced remodeling of the active site regulates human HTRA1 activity.

Truebestein, L., Tennstaedt, A., Monig, T., Krojer, T., Canellas, F., Kaiser, M., Clausen, T., Ehrmann, M.

(2011) Nat.Struct.Mol.Biol. 18: 386-388

• PubMed: 21297635 
• DOI: 10.1038/nsmb.2013
• Primary Citation of Related Structures:  
  3NZI, 3NWU


• PubMed Abstract: 
  

Crystal structures of active and inactive conformations of the human serine protease HTRA1 reveal that substrate binding to the active site is sufficient to stimulate proteolytic activity. HTRA1 attaches to liposomes, digests misfolded proteins into defined fragments and undergoes substrate-mediated oligomer conversion. In contrast to those of other serine proteases, the PDZ domain of HTRA1 is dispensable for activation or lipid attachment, indicative of different underlying mechanistic features.

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Organizational Affiliation: 

Centre for Medical Biotechnology, Faculty of Biology, University Duisburg-Essen, Essen, Germany.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Serine protease HTRA1	A	332	Homo sapiens	Mutation(s): 1  Gene Names: HTRA1 (HTRA, PRSS11) EC: 3.4.21.-
Find proteins for Q92743 (Homo sapiens) Go to Gene View: HTRA1 Go to UniProtKB:  Q92743

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.75 Å
• R-Value Free: 0.287 
• R-Value Work: 0.242 
• Space Group: H 3

Unit Cell:

Length (Å)	Angle (°)
a = 109.476	α = 90.00
b = 109.476	β = 90.00
c = 113.956	γ = 120.00

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
MxCuBE	data collection

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2010-07-07 
• Released Date: 2011-02-23 
• Deposition Author(s): Truebestein, L., Tennstaedt, A., Hauske, P., Krojer, T., Kaiser, M., Clausen, T., Ehrmann, M.

Revision History 

• Version 1.0: 2011-02-23
  Type: Initial release
• Version 1.1: 2011-07-13
  Type: Version format compliance