2R3S

CRYSTAL STRUCTURE OF A PUTATIVE O-METHYLTRANSFERASE (NPUN_R0239) FROM NOSTOC PUNCTIFORME PCC 73102 AT 2.15 A RESOLUTION

• PDB DOI:  https://doi.org/10.2210/pdb2R3S/pdb

• Classification: TRANSFERASE
• Organism(s): Nostoc punctiforme PCC 73102
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-08-29 Released: 2007-09-11 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.228 
• R-Value Work: 0.188 
• R-Value Observed: 0.190 

Literature

Crystal structure of an uncharacterized protein (ZP_00112478.1) from Nostoc punctiforme PCC 73102 at 2.15 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Dihedral - D2  (3D View)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 74.74 kDa 
• Atom Count: 5,411 
• Modelled Residue Count: 655 
• Deposited Residue Count: 670 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
uncharacterized protein	A, B	335	Nostoc punctiforme PCC 73102	Mutation(s): 0  Gene Names: ZP_00112478.1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], K [auth B], L [auth B], M [auth B], N [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	C [auth A], J [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.228 
• R-Value Work: 0.188 
• R-Value Observed: 0.190 
• Space Group: P 4₁ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/M32R3S

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.9	α = 90
b = 93.9	β = 90
c = 180.52	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-09-11 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2007-09-11
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Author supporting evidence, Refinement description
• Version 1.3: 2019-07-24
  Changes: Data collection, Derived calculations, Refinement description