4ZAJ | pdb_00004zaj

2.2 Angstrom Crystal Structure of a Human Arginyl-tRNA Synthetase

• PDB DOI: https://doi.org/10.2210/pdb4ZAJ/pdb

• Classification: LIGASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2015-04-13 Released: 2016-03-30 
• Deposition Author(s): Smith, A.T., Rosenzweig, A.C.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.22 Å
• R-Value Free: 
  0.264 (Depositor), 0.251 (DCC) 
• R-Value Work: 
  0.219 (Depositor) 
• R-Value Observed: 
  0.221 (Depositor) 

Starting Model: experimental

Literature

2.2 Angstrom crystal structure of a human Arginyl-tRNA synthetase

Smith, A.T., Rosenzweig, A.C.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 68.94 kDa 
• Atom Count: 4,744 
• Modeled Residue Count: 577 
• Deposited Residue Count: 601 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Arginine--tRNA ligase, cytoplasmic	A	601	Homo sapiens	Mutation(s): 0  Gene Names: RARS EC: 6.1.1.19
UniProt & NIH Common Fund Data Resources
Find proteins for P54136 (Homo sapiens) Explore P54136  Go to UniProtKB:  P54136
PHAROS:  P54136 GTEx:  ENSG00000113643

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.22 Å
• R-Value Free:  0.264 (Depositor), 0.251 (DCC) 
• R-Value Work:  0.219 (Depositor) 
• R-Value Observed: 0.221 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.72	α = 90
b = 61.92	β = 90
c = 208.47	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction
xia2	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-03-30 
Deposition Author(s): Smith, A.T., Rosenzweig, A.C.

Revision History  

• Version 1.0: 2016-03-30
  Type: Initial release
  
• Version 1.1: 2016-07-20
  Changes: Data collection
• Version 1.2: 2017-11-01
  Changes: Author supporting evidence, Derived calculations
• Version 1.3: 2023-09-27
  Changes: Data collection, Database references, Refinement description