5U6W

The crystal structure of 4-methylaminobenzoate-bound CYP199A4

• PDB DOI: https://doi.org/10.2210/pdb5U6W/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Rhodopseudomonas palustris HaA2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2016-12-09 Released: 2018-06-13 
• Deposition Author(s): Coleman, T., Bruning, J.B., Bell, S.G.
• Funding Organization(s): Australian Research Council (ARC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.64 Å
• R-Value Free: 0.261 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 

Literature

Cytochrome P450 CYP199A4 from Rhodopseudomonas palustris Catalyzes Heteroatom Dealkylations, Sulfoxidation, and Amide and Cyclic Hemiacetal Formation

Coleman, T., Wong, S.H., Podgorski, M.N., Bruning, J.B., De Voss, J.J., Bell, S.G.

(2018) ACS Catal 8: 5915

• DOI: https://doi.org/10.1021/acscatal.8b00909

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: 43.7 kDa 
• Atom Count: 3,161 
• Modelled Residue Count: 393 
• Deposited Residue Count: 393 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome P450	A	393	Rhodopseudomonas palustris HaA2	Mutation(s): 0  Gene Names: RPB_3613
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	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
81P	C [auth A]	4-(methylamino)benzoic acid C8 H9 N O2 ZVIDMSBTYRSMAR-UHFFFAOYSA-N
CL	D [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.64 Å
• R-Value Free: 0.261 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.365	α = 90
b = 51.152	β = 91.98
c = 78.92	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-06-13 
Deposition Author(s): Coleman, T., Bruning, J.B., Bell, S.G.

---

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

Revision History  

• Version 1.0: 2018-06-13
  Type: Initial release
  
• Version 1.1: 2018-12-26
  Changes: Data collection, Database references
• Version 1.2: 2020-01-01
  Changes: Author supporting evidence
• Version 1.3: 2023-10-04
  Changes: Data collection, Database references, Refinement description