6UNN

The crystal structure of 4-methoxycinnamic acid-bound CYP199A4

• PDB DOI: https://doi.org/10.2210/pdb6UNN/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Rhodopseudomonas palustris
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-10-13 Released: 2020-10-14 
• Deposition Author(s): Doherty, Z.D., Bell, S.G., Bruning, J.
• Funding Organization(s): Australian Research Council (ARC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free: 0.196 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 

Literature

The crystal structure of 4-methoxycinnamic acid-bound CYP199A4

Doherty, Z.D., Bell, S.G., Bruning, J.

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: 45.42 kDa 
• Atom Count: 3,536 
• Modelled Residue Count: 393 
• Deposited Residue Count: 410 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CYP199A4	A	410	Rhodopseudomonas palustris	Mutation(s): 0  Gene Names: RPB_3613 EC: 1.14
UniProt
Find proteins for Q2IU02 (Rhodopseudomonas palustris (strain HaA2)) Explore Q2IU02  Go to UniProtKB:  Q2IU02

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM (Subject of Investigation/LOI)	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
K3Z (Subject of Investigation/LOI)	C [auth A]	(E)-3-(4-methoxyphenyl)acrylic acid C10 H10 O3 AFDXODALSZRGIH-QPJJXVBHSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free: 0.196 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.1	α = 90
b = 51.31	β = 91.97
c = 79.56	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
PHASER	phasing

Structure Validation

Currently 6UNN does not have a validation slider image.

Entry History & Funding Information

Deposition Data

• Released Date: 2020-10-14 
Deposition Author(s): Doherty, Z.D., Bell, S.G., Bruning, J.

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Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DP140103229

Revision History  

• Version 1.0: 2020-10-14
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Refinement description