3S5M | pdb_00003s5m

Crystal structures of falcilysin, a M16 metalloprotease from the malaria parasite Plasmodium falciparum

• PDB DOI: https://doi.org/10.2210/pdb3S5M/pdb

• Classification: HYDROLASE
• Organism(s): Plasmodium falciparum HB3
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-05-23 Released: 2012-05-23 
• Deposition Author(s): Morgunova, E., Ponpuak, M., Istvan, E., Popov, A., Goldberg, D., Eneqvist, T.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.214 (Depositor), 0.211 (DCC) 
• R-Value Work: 
  0.179 (Depositor), 0.177 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Starting Model: experimental

Literature

Crystal structures of falcilysin, a M16 metalloprotease from the malaria parasite Plasmodium falciparum

Morgunova, E., Ponpuak, M., Istvan, E., Popov, A., Goldberg, D., Eneqvist, T.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 139.16 kDa 
• Atom Count: 10,203 
• Modeled Residue Count: 1,094 
• Deposited Residue Count: 1,193 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Falcilysin	A	1,193	Plasmodium falciparum HB3	Mutation(s): 0  Gene Names: flN, PF13_0322 EC: 3.4.24
UniProt
Find proteins for Q76NL8 (Plasmodium falciparum (isolate 3D7)) Explore Q76NL8  Go to UniProtKB:  Q76NL8

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
MG	C [auth A], D [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.214 (Depositor), 0.211 (DCC) 
• R-Value Work:  0.179 (Depositor), 0.177 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.32	α = 90
b = 106.7	β = 90
c = 128.02	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHENIX	model building
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-23 
Deposition Author(s): Morgunova, E., Ponpuak, M., Istvan, E., Popov, A., Goldberg, D., Eneqvist, T.

Revision History  

• Version 1.0: 2012-05-23
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description