7SCU

Crystal Structure of the Tick Evasin EVA-AAM1001 Complexed to Human Chemokine CCL7

• PDB DOI: https://doi.org/10.2210/pdb7SCU/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Amblyomma americanum, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2021-09-29 Released: 2023-04-05 
• Deposition Author(s): Devkota, S.R., Bhusal, R.P., Aryal, P., Wilce, M.C.J., Stone, M.J.
• Funding Organization(s): National Health and Medical Research Council (NHMRC, Australia)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.210 
• R-Value Work: 0.193 
• R-Value Observed: 0.194 

Literature

Crystal Structure of Tick Evasin EVA-AAM1001 complexed to human chemokine CCL7

Devkota, S.R., Bhusal, R.P., Aryal, P., Wilce, M.C.J., Stone, M.J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 20.09 kDa 
• Atom Count: 1,214 
• Modelled Residue Count: 148 
• Deposited Residue Count: 177 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Evasin P1243	A	101	Amblyomma americanum	Mutation(s): 0
UniProt
Find proteins for A0A0C9S461 (Amblyomma americanum) Explore A0A0C9S461  Go to UniProtKB:  A0A0C9S461

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
C-C motif chemokine 7	B	76	Homo sapiens	Mutation(s): 0  Gene Names: CCL7, MCP3, SCYA6, SCYA7
UniProt & NIH Common Fund Data Resources
Find proteins for P80098 (Homo sapiens) Explore P80098  Go to UniProtKB:  P80098
PHAROS:  P80098 GTEx:  ENSG00000108688

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.210 
• R-Value Work: 0.193 
• R-Value Observed: 0.194 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.258	α = 90
b = 71.258	β = 90
c = 66.418	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-04-05 
Deposition Author(s): Devkota, S.R., Bhusal, R.P., Aryal, P., Wilce, M.C.J., Stone, M.J.

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Funding Organization	Location	Grant Number
National Health and Medical Research Council (NHMRC, Australia)	Australia	--

Revision History  

• Version 1.0: 2023-04-05
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description