2HLC | pdb_00002hlc

HL COLLAGENASE STRUCTURE AT 1.7A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2HLC/pdb

• Classification: SERINE PROTEASE
• Organism(s): Hypoderma lineatum
• Mutation(s): No 


• Deposited: 1997-01-08 Released: 1997-09-04 
• Deposition Author(s): Broutin, I., Merigeau, K., Arnoux, B., Ducruix, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 
  0.245 (Depositor) 
• R-Value Work: 
  0.195 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.195 (Depositor) 

Starting Model: experimental

Literature

1.7 A x-ray structure of space-grown collagenase crystals.

Broutin-L'Hermite, I., Ries-Kautt, M., Ducruix, A.

(2000) Acta Crystallogr D Biol Crystallogr 56: 376-378

• PubMed: 10713532 
• DOI: https://doi.org/10.1107/s0907444999016789
• Primary Citation of Related Structures:  
  2HLC


• PubMed Abstract: 
  

  Collagenases, divided into metallocollagenases and serine collagenases, are the only proteases that cleave the triple helix of collagen under physiological conditions. In the present work, the serine protease collagenase purified from Hypoderma lineatum larvae is studied. From crystals grown in the International Microgravity Laboratory (IML2), a data set was collected at 1.7 A using synchrotron radiation. Although the resolution is not very different, the signal-to-noise ratio and the quality of the electron density are much improved. Alternate conformations were revealed for several residues, in particular Tyr99, suggesting a gate mechanism of recognition.

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Organizational Affiliation: 
• Laboratoire d'Enzymologie et de Biochimie Structurales, Bâtiment 34, CNRS, 91198 Gif sur Yvette CEDEX, France. [e-mail]

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 50.49 kDa 
• Atom Count: 3,939 
• Modeled Residue Count: 460 
• Deposited Residue Count: 460 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
COLLAGENASE	A, B	230	Hypoderma lineatum	Mutation(s): 0  EC: 3.4.21 (PDB Primary Data), 3.4.21.49 (UniProt)
UniProt
Find proteins for P08897 (Hypoderma lineatum) Explore P08897  Go to UniProtKB:  P08897

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free:  0.245 (Depositor) 
• R-Value Work:  0.195 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.195 (Depositor) 

Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 111.3	α = 90
b = 111.3	β = 90
c = 165.68	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
ROTAVATA	data reduction
X-PLOR	model building
X-PLOR	refinement
CCP4	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-09-04 
Deposition Author(s): Broutin, I., Merigeau, K., Arnoux, B., Ducruix, A.

Revision History  

• Version 1.0: 1997-09-04
  Type: Initial release
  
• Version 1.1: 2008-03-03
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-08-09
  Changes: Database references, Refinement description
• Version 1.4: 2024-10-23
  Changes: Data collection, Structure summary
• Version 1.5: 2025-11-12
  Changes: Database references