4MMO

The crystal structure of a M20 family metallo-carboxypeptidase Sso-CP2 from Sulfolobus solfataricus

• PDB DOI: https://doi.org/10.2210/pdb4MMO/pdb

• Classification: HYDROLASE
• Organism(s): Saccharolobus solfataricus P2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-09-09 Released: 2014-10-15 
• Deposition Author(s): Dupuy, J., Dutoit, R., Durisotti, V., Demarez, M., Borel, F., Van Elder, D., Legrain, C., Bauvois, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.253 
• R-Value Work: 0.206 
• R-Value Observed: 0.208 

Literature

Biochemical characterization of a novel thermostable dinuclear carboxypeptidase from the thermoacidophilic archaeum Sulfolobus solfataricus.

Bauvois, C., Demarez, M., Durisotti, V., Roovers, M., Dutoit, R., Gigot, D., Dupuy, J., Wattiez, R., Legrain, C.

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)

Macromolecule Content

• Total Structure Weight: 98.69 kDa 
• Atom Count: 6,604 
• Modelled Residue Count: 819 
• Deposited Residue Count: 874 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sso-CP2 metallo-carboxypetidase	A, B	437	Saccharolobus solfataricus P2	Mutation(s): 0  Gene Names: SSO2737
UniProt
Find proteins for Q97V97 (Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)) Explore Q97V97  Go to UniProtKB:  Q97V97

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A], E [auth A], F [auth A], G [auth B], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	I [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.253 
• R-Value Work: 0.206 
• R-Value Observed: 0.208 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.07	α = 90
b = 89.37	β = 90
c = 161.42	γ = 90

Software Package:

Software Name	Purpose
MAR345	data collection
BALBES	phasing
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-15 
Deposition Author(s): Dupuy, J., Dutoit, R., Durisotti, V., Demarez, M., Borel, F., Van Elder, D., Legrain, C., Bauvois, C.

Revision History  

• Version 1.0: 2014-10-15
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2017-12-20
  Changes: Database references
• Version 1.3: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description