1OYO

Regulation of protease activity by melanin: Crystal structure of the complex formed between proteinase K and melanin monomers at 2.0 resolution

• PDB DOI: https://doi.org/10.2210/pdb1OYO/pdb

• Classification: HYDROLASE
• Organism(s): Parengyodontium album
• Mutation(s): No 


• Deposited: 2003-04-06 Released: 2003-05-20 
• Deposition Author(s): Singh, N., Sharma, S., Kumar, S., Raman, G., Singh, T.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 
  0.190 (Depositor) 
• R-Value Work: 
  0.171 (Depositor) 
• R-Value Observed: 
  0.171 (Depositor) 

Starting Model: experimental

Literature

Regulation of protease activity by melanin: Crystal structure of the complex formed between proteinase K and melanin monomers at 2.0 resolution

Singh, N., Sharma, S., Kumar, S., Raman, G., Singh, T.P.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 29.16 kDa 
• Atom Count: 2,173 
• Modelled Residue Count: 279 
• Deposited Residue Count: 279 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Proteinase K	A	279	Parengyodontium album	Mutation(s): 0  EC: 3.4.21.64
UniProt
Find proteins for P06873 (Parengyodontium album) Explore P06873  Go to UniProtKB:  P06873

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
3ID	D [auth A]	3H-INDOLE-5,6-DIOL C8 H7 N O2 SGNZYJXNUURYCH-UHFFFAOYSA-N
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free:  0.190 (Depositor) 
• R-Value Work:  0.171 (Depositor) 
• R-Value Observed: 0.171 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.319	α = 90
b = 68.319	β = 90
c = 108.292	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-05-20 
Deposition Author(s): Singh, N., Sharma, S., Kumar, S., Raman, G., Singh, T.P.

Revision History  

• Version 1.0: 2003-05-20
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-04-03
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-10-16
  Changes: Structure summary