8R28 | pdb_00008r28

Crystal structure of Amacstatin-1, a cystatin from the hard tick Amblyomma maculatum

• PDB DOI: https://doi.org/10.2210/pdb8R28/pdb

• Classification: PROTEIN BINDING
• Organism(s): Amblyomma maculatum
• Expression System: Komagataella pastoris
• Mutation(s): No 


• Deposited: 2023-11-03 Released: 2024-11-13 
• Deposition Author(s): Busa, M., Mares, M.
• Funding Organization(s): Czech Academy of Sciences

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.81 Å
• R-Value Free: 
  0.202 (Depositor), 0.204 (DCC) 
• R-Value Work: 
  0.161 (Depositor), 0.162 (DCC) 

Starting Model: experimental

Literature

Crystal structure of Amacstatin-1, a cystatin from the hard tick Amblyomma maculatum

Busa, M., Mares, M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 13.48 kDa 
• Atom Count: 975 
• Modeled Residue Count: 103 
• Deposited Residue Count: 121 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cystatin domain-containing protein	A	121	Amblyomma maculatum	Mutation(s): 0
UniProt
Find proteins for G3MPE6 (Amblyomma maculatum) Explore G3MPE6  Go to UniProtKB:  G3MPE6

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.81 Å
• R-Value Free:  0.202 (Depositor), 0.204 (DCC) 
• R-Value Work:  0.161 (Depositor), 0.162 (DCC) 

Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.411	α = 90
b = 98.411	β = 90
c = 27.579	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-11-13 
Deposition Author(s): Busa, M., Mares, M.

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Funding Organization	Location	Grant Number
Czech Academy of Sciences	Czech Republic	--

Revision History  

• Version 1.0: 2024-11-13
  Type: Initial release