4RD7

The crystal structure of a Cupin 2 conserved barrel domain protein from Salinispora arenicola CNS-205

• PDB DOI: https://doi.org/10.2210/pdb4RD7/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Salinispora arenicola CNS-205
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-09-18 Released: 2014-10-01 
• Deposition Author(s): Tan, K., Gu, M., Clancy, S., Phillips Jr., G.N., Joachimiak, A., Midwest Center for Structural Genomics (MCSG), Enzyme Discovery for Natural Product Biosynthesis (NatPro)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.57 Å
• R-Value Free: 0.194 
• R-Value Work: 0.155 
• R-Value Observed: 0.157 

Literature

The crystal structure of a Cupin 2 conserved barrel domain protein from Salinispora arenicola CNS-205

Tan, K., Gu, M., Clancy, S., Phillips Jr., G.N., Joachimiak, A.

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: 15.14 kDa 
• Atom Count: 1,056 
• Modelled Residue Count: 119 
• Deposited Residue Count: 127 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cupin 2 conserved barrel domain protein	A	127	Salinispora arenicola CNS-205	Mutation(s): 0  Gene Names: Sare_2150
UniProt
Find proteins for A8M0K5 (Salinispora arenicola (strain CNS-205)) Explore A8M0K5  Go to UniProtKB:  A8M0K5

Small Molecules

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

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.57 Å
• R-Value Free: 0.194 
• R-Value Work: 0.155 
• R-Value Observed: 0.157 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.687	α = 90
b = 43.687	β = 90
c = 132.811	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-01 
Deposition Author(s): Tan, K., Gu, M., Clancy, S., Phillips Jr., G.N., Joachimiak, A., Midwest Center for Structural Genomics (MCSG), Enzyme Discovery for Natural Product Biosynthesis (NatPro)

Revision History  

• Version 1.0: 2014-10-01
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description