6QPK | pdb_00006qpk

Zt-KP6-1: an effector from Zymoseptoria tritici

• PDB DOI: https://doi.org/10.2210/pdb6QPK/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Zymoseptoria tritici ST99CH_1E4
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-02-14 Released: 2020-03-04 
• Deposition Author(s): Padilla, A., Hoh, F., De guillen, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.36 Å
• R-Value Free: 
  0.180 (Depositor) 
• R-Value Work: 
  0.140 (Depositor) 
• R-Value Observed: 
  0.140 (Depositor) 

Literature

Zymoseptoria tritici effectors structurally related to killer proteins UmV-KP4 and UmV-KP6 are toxic to fungi, and define extended protein families in fungi

de Guillen, K., Mammri, L., Gracy, J., Padilla, A., Barthe, P., Hoh, F., Lahfa, M., Rouffet, J., Petit-Houdenot, Y., Kroj, T., Lebrun, M.H.

(2024) bioRxiv 

• DOI: https://doi.org/10.1101/2024.10.14.618152

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 19.02 kDa 
• Atom Count: 1,570 
• Modeled Residue Count: 156 
• Deposited Residue Count: 160 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B	80	Zymoseptoria tritici ST99CH_1E4	Mutation(s): 0  Gene Names: ZT1E4_G3693
UniProt
Find proteins for A0A2H1G421 (Zymoseptoria tritici ST99CH_1E4) Explore A0A2H1G421  Go to UniProtKB:  A0A2H1G421

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CIT	F [auth A], I [auth B]	CITRIC ACID C6 H8 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-N
TRS	E [auth A], H [auth B]	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL C4 H12 N O3 LENZDBCJOHFCAS-UHFFFAOYSA-O
SO4	D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	C [auth A], G [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.36 Å
• R-Value Free:  0.180 (Depositor) 
• R-Value Work:  0.140 (Depositor) 
• R-Value Observed: 0.140 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.395	α = 90
b = 57.294	β = 90
c = 79.355	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
HKL2Map	phasing
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-03-04 
Deposition Author(s): Padilla, A., Hoh, F., De guillen, K.

Revision History  

• Version 1.0: 2020-03-04
  Type: Initial release
  
• Version 2.0: 2020-11-04
  Type: Coordinate replacement
  Reason: Polymer backbone linkage
  Changes: Advisory, Atomic model, Author supporting evidence, Data collection, Database references, Derived calculations, Other, Polymer sequence, Refinement description, Structure summary
• Version 2.1: 2024-10-23
  Changes: Data collection, Database references, Structure summary
• Version 2.2: 2025-01-29
  Changes: Database references