4PAC

Crystal Structure of Histidine-containing Phosphotransfer Protein AHP2 from Arabidopsis thaliana

• PDB DOI: https://doi.org/10.2210/pdb4PAC/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-04-08 Released: 2015-05-20 
• Deposition Author(s): Degtjarik, O., Dopitova, R., Puehringer, S., Weiss, M.S., Janda, L., Hejatko, J., Kuta-Smatanova, I.
• Funding Organization(s): Czech Science Foundation, Central European Institute of Technology, Czech Academy of Sciences

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.53 Å
• R-Value Free: 0.304 
• R-Value Work: 0.229 
• R-Value Observed: 0.232 

Literature

Crystal structure of AHP2 from Arabidopsis thaliana

Degtjarik, O., Dopitova, R., Puehringer, S., Reha, D., Otrusinova, O., Pekarova, B., Kuty, M., Zidek, L., Janda, L., Weiss, M.S., Kuta-Smatanova, I., Hejatko, H.

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)

Macromolecule Content

• Total Structure Weight: 22.63 kDa 
• Atom Count: 1,248 
• Modelled Residue Count: 153 
• Deposited Residue Count: 200 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Histidine-containing phosphotransfer protein 2	A	200	Arabidopsis thaliana	Mutation(s): 0  Gene Names: AHP2, ATHP1, At3g29350, MUO10.6
UniProt
Find proteins for Q9ZNV8 (Arabidopsis thaliana) Explore Q9ZNV8  Go to UniProtKB:  Q9ZNV8

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MES	B [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
IMD	C [auth A]	IMIDAZOLE C3 H5 N2 RAXXELZNTBOGNW-UHFFFAOYSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.53 Å
• R-Value Free: 0.304 
• R-Value Work: 0.229 
• R-Value Observed: 0.232 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.9	α = 90
b = 59.9	β = 90
c = 169.7	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
MAR345dtb	data collection
SHELXDE	phasing
XSCALE	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2015-05-20 
Deposition Author(s): Degtjarik, O., Dopitova, R., Puehringer, S., Weiss, M.S., Janda, L., Hejatko, J., Kuta-Smatanova, I.

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Funding Organization	Location	Grant Number
Czech Science Foundation	Czech Republic	521/09/1699
Czech Science Foundation	Czech Republic	P305/11/0756,
Central European Institute of Technology	Czech Republic	CZ.1.05/1.1.00/02.0068
Czech Academy of Sciences	Czech Republic	AV0Z60870520
	Czech Republic	ME09016
	Czech Republic	CZ.1.05/2.1.00/01.0024

Revision History  

• Version 1.0: 2015-05-20
  Type: Initial release
  
• Version 2.0: 2017-09-06
  Changes: Atomic model, Author supporting evidence
• Version 2.1: 2024-05-08
  Changes: Data collection, Database references