2Y90 | pdb_00002y90

Crystal structure of Hfq riboregulator from E. coli (P6 space group)

PDB DOI: https://doi.org/10.2210/pdb2Y90/pdb

Classification: RNA BINDING PROTEIN
Organism(s): Escherichia coli
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2011-02-11 Released: 2011-12-21
Deposition Author(s): Basquin, J., Sauter, C.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.25 Å
R-Value Free:
0.226 (Depositor), 0.212 (DCC)
R-Value Work:
0.180 (Depositor), 0.174 (DCC)
R-Value Observed:
0.188 (Depositor)

Starting Model: experimental
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This is version 1.3 of the entry. See complete history.

Literature

Exploiting Protein Engineering and Crystal Polymorphism for Successful X-Ray Structure Determination

Bonnefond, L., Schellenberger, P., Basquin, J., Demangeat, G., Ritzenthaler, C., Chenevert, R., Balg, C., Frugier, M., Rudinger-Thirion, J., Giege, R., Lorber, L., Sauter, C.

(2011) Cryst Growth Des 11: 4334

Macromolecule Content

Total Structure Weight: 11.31 kDa
Atom Count: 521
Modeled Residue Count: 64
Deposited Residue Count: 104
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PROTEIN HFQ	A	104	Escherichia coli	Mutation(s): 0
UniProt
Find proteins for P0A6X3 (Escherichia coli (strain K12)) Explore P0A6X3 Go to UniProtKB: P0A6X3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0A6X3
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.25 Å
R-Value Free: 0.226 (Depositor), 0.212 (DCC)
R-Value Work: 0.180 (Depositor), 0.174 (DCC)
R-Value Observed: 0.188 (Depositor)

Space Group: P 6

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.5	α = 90
b = 61.5	β = 90
c = 28.25	γ = 120

Software Package:

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

Structure Validation

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Entry History

Deposition Data

Released Date: 2011-12-21

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2011-12-21
Type: Initial release
Version 1.1: 2019-05-08
Changes: Data collection, Experimental preparation, Other
Version 1.2: 2019-05-15
Changes: Data collection, Experimental preparation
Version 1.3: 2023-12-20
Changes: Data collection, Database references, Other, Refinement description

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.