3NM7 | pdb_00003nm7

Crystal Structure of Borrelia burgdorferi Pur-alpha

• PDB DOI: https://doi.org/10.2210/pdb3NM7/pdb

• Classification: NUCLEIC ACID BINDING PROTEIN
• Organism(s): Borreliella burgdorferi
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2010-06-22 Released: 2010-10-06 
• Deposition Author(s): Graebsch, A., Roche, S., Kostrewa, D., Niessing, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.261 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.217 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.219 (Depositor) 

Starting Model: experimental

Literature

Of Bits and Bugs - on the use of bioinformatics and a bacterial crystal structure to solve a eukaryotic repeat-protein structure.

Graebsch, A., Roche, S., Kostrewa, D., Soeding, S., Niessing, D.

(2010) PLoS One 5: e13402-e13402

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 59.68 kDa 
• Atom Count: 2,774 
• Modeled Residue Count: 309 
• Deposited Residue Count: 508 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B, C, D	127	Borreliella burgdorferi	Mutation(s): 0  Gene Names: BB_0047
UniProt
Find proteins for O51076 (Borreliella burgdorferi (strain ATCC 35210 / DSM 4680 / CIP 102532 / B31)) Explore O51076  Go to UniProtKB:  O51076

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	F [auth A], G [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
MG	E [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.261 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.217 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.219 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.79	α = 90
b = 57.75	β = 90
c = 142.31	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
SCALA	data scaling
BUSTER	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-10-06 
Deposition Author(s): Graebsch, A., Roche, S., Kostrewa, D., Niessing, D.

Revision History  

• Version 1.0: 2010-10-06
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description