1M0S | pdb_00001m0s

NORTHEAST STRUCTURAL GENOMICS CONSORTIUM (NESG ID IR21)

• PDB DOI: https://doi.org/10.2210/pdb1M0S/pdb

• Classification: ISOMERASE
• Organism(s): Haemophilus influenzae
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2002-06-14 Released: 2002-09-04 
• Deposition Author(s): Das, K., Xiao, R., Acton, T., Montelione, G., Arnold, E., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.208 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.179 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.179 (Depositor) 

Starting Model: experimental

Literature

D-RIBOSE-5-PHOSPHATE ISOMERASE, IR21

Das, K., Xiao, R., Acton, T., Montelione, G., Arnold, E.

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: 46.73 kDa 
• Atom Count: 3,604 
• Modelled Residue Count: 438 
• Deposited Residue Count: 438 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribose-5-Phosphate Isomerase A	A, B	219	Haemophilus influenzae	Mutation(s): 0  Gene Names: RPIA EC: 5.3.1.6
UniProt
Find proteins for P44725 (Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)) Explore P44725  Go to UniProtKB:  P44725

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	C [auth A], D [auth B]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.208 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.179 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.179 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.826	α = 90
b = 96.737	β = 90
c = 122.05	γ = 90

Software Package:

Software Name	Purpose
AMoRE	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-09-04 
Deposition Author(s): Das, K., Xiao, R., Acton, T., Montelione, G., Arnold, E., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2002-09-04
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-02-14
  Changes: Data collection, Database references, Derived calculations, Refinement description