3EJV

Crystal structure of a cystatin-like protein (saro_2766) from novosphingobium aromaticivorans dsm at 1.40 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3EJV/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Novosphingobium aromaticivorans DSM 12444
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-09-18 Released: 2008-09-30 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 0.161 
• R-Value Work: 0.142 
• R-Value Observed: 0.143 

Literature

Crystal structure of protein of unknown function with a cystatin-like fold (YP_498036.1) from NOVOSPHINGOBIUM AROMATICIVORANS DSM 12444 at 1.40 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 20.57 kDa 
• Atom Count: 1,536 
• Modelled Residue Count: 159 
• Deposited Residue Count: 179 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
uncharacterized protein with cystatin-like fold	A	179	Novosphingobium aromaticivorans DSM 12444	Mutation(s): 0  Gene Names: YP_498036.1, Saro_2766
UniProt
Find proteins for Q2G4M1 (Novosphingobium aromaticivorans (strain ATCC 700278 / DSM 12444 / CCUG 56034 / CIP 105152 / NBRC 16084 / F199)) Explore Q2G4M1  Go to UniProtKB:  Q2G4M1

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGE	G [auth A]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N
EDO	C [auth A], D [auth A], E [auth A], F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
UNL	B [auth A]	Unknown ligand LYCAIKOWRPUZTN-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: 1.40 Å
• R-Value Free: 0.161 
• R-Value Work: 0.142 
• R-Value Observed: 0.143 
• Space Group: P 2₁ 3
• Diffraction Data: https://doi.org/10.18430/M33EJV

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.54	α = 90
b = 79.54	β = 90
c = 79.54	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-30 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2008-09-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description
• Version 1.4: 2023-02-01
  Changes: Database references, Derived calculations
• Version 1.5: 2024-11-06
  Changes: Data collection, Structure summary