5JK6

Phenylalanine hydroxylase from dictyostelium - apo form

• PDB DOI: https://doi.org/10.2210/pdb5JK6/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Dictyostelium discoideum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2016-04-26 Released: 2017-04-26 
• Deposition Author(s): Zhuang, N., Lee, K.H.
• Funding Organization(s): National research foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.208 
• R-Value Work: 0.159 
• R-Value Observed: 0.162 

Literature

Phenylalanine hydroxylase from dictyostelium - apo form

Zhuang, N., Lee, K.H.

To be published.

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)

Macromolecule Content

• Total Structure Weight: 100.81 kDa 
• Atom Count: 6,911 
• Modelled Residue Count: 789 
• Deposited Residue Count: 876 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phenylalanine-4-hydroxylase	A, B	438	Dictyostelium discoideum	Mutation(s): 0  Gene Names: pah, DDB_G0278781 EC: 1.14.16.1 (PDB Primary Data), 1.14.16.4 (PDB Primary Data)
UniProt
Find proteins for Q54XS1 (Dictyostelium discoideum) Explore Q54XS1  Go to UniProtKB:  Q54XS1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PIN	C [auth A], E [auth B]	PIPERAZINE-N,N'-BIS(2-ETHANESULFONIC ACID) C8 H18 N2 O6 S2 IHPYMWDTONKSCO-UHFFFAOYSA-N
FE	D [auth A], F [auth B]	FE (III) ION Fe VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.07 Å
• R-Value Free: 0.208 
• R-Value Work: 0.159 
• R-Value Observed: 0.162 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.871	α = 90
b = 85.309	β = 110.04
c = 74.913	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
AMoRE	phasing
CNS	refinement
Coot	model building

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-04-26 
Deposition Author(s): Zhuang, N., Lee, K.H.

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Funding Organization	Location	Grant Number
National research foundation	Korea, Republic Of	--

Revision History  

• Version 1.0: 2017-04-26
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary