1ZBT

Crystal structure of Peptide chain release factor 1 (RF-1) (SMU.1085) from Streptococcus mutans at 2.34 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1ZBT/pdb

• Classification: TRANSLATION
• Organism(s): Streptococcus mutans
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-04-08 Released: 2005-05-03 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.34 Å
• R-Value Free: 0.275 
• R-Value Work: 0.221 
• R-Value Observed: 0.223 

Literature

Crystal structure of Peptide chain release factor 1 (RF-1) (SMU.1085) from Streptococcus mutans at 2.34 A resolution

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 42.64 kDa 
• Atom Count: 2,547 
• Modelled Residue Count: 320 
• Deposited Residue Count: 371 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptide chain release factor 1	A	371	Streptococcus mutans	Mutation(s): 10  Gene Names: prfA, rf1
UniProt
Find proteins for Q8DU64 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DU64  Go to UniProtKB:  Q8DU64

Small Molecules

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: 2.34 Å
• R-Value Free: 0.275 
• R-Value Work: 0.221 
• R-Value Observed: 0.223 
• Space Group: P 4₃ 2₁ 2
• Diffraction Data: https://doi.org/10.18430/M31ZBT

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.444	α = 90
b = 69.444	β = 90
c = 188.165	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
XDS	data reduction
CCP4	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-05-03 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2005-05-03
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations