4PAC | pdb_00004pac

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 (Depositor), 0.300 (DCC) 
• R-Value Work: 
  0.229 (Depositor), 0.230 (DCC) 
• R-Value Observed: 
  0.232 (Depositor) 

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 (Depositor), 0.300 (DCC) 
• R-Value Work:  0.229 (Depositor), 0.230 (DCC) 
• R-Value Observed: 0.232 (Depositor) 

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