6K2F | pdb_00006k2f

Structure of Eh TWINFILIN

• PDB DOI: https://doi.org/10.2210/pdb6K2F/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Entamoeba histolytica HM-1:IMSS
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2019-05-14 Released: 2020-06-03 
• Deposition Author(s): Kumar, N., Gourinath, S., Rath, P.P.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free: 
  0.187 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.166 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.167 (Depositor) 

Starting Model: experimental

Literature

Structure of N-terminal Twinfilin domain from Entamoeba histolytica

Kumar, N., Gourinath, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 31.52 kDa 
• Atom Count: 2,369 
• Modeled Residue Count: 276 
• Deposited Residue Count: 276 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Actin binding protein family protein	A, B	138	Entamoeba histolytica HM-1:IMSS	Mutation(s): 0
UniProt
Find proteins for N9V330 (Entamoeba histolytica HM-1:IMSS-A) Explore N9V330  Go to UniProtKB:  N9V330

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.55 Å
• R-Value Free:  0.187 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.166 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.167 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 34.71	α = 90
b = 86.544	β = 90
c = 88.06	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-06-03 
Deposition Author(s): Kumar, N., Gourinath, S., Rath, P.P.

Revision History  

• Version 1.0: 2020-06-03
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description