3QZ1 | pdb_00003qz1

Crystal Structure of Bovine Steroid of 21-hydroxylase (P450c21)

• PDB DOI: https://doi.org/10.2210/pdb3QZ1/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Bos taurus
• Expression System: Escherichia coli DH5[alpha]
• Mutation(s): Yes 
• Membrane Protein: Yes  OPM


• Deposited: 2011-03-04 Released: 2012-01-18 
• Deposition Author(s): Zhao, B., Waterman, M.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free: 
  0.297 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.282 (Depositor), 0.260 (DCC) 

Literature

Crystal Structure of Bovine Steroid of 21-hydroxylase (P450c21)

Zhao, B., Lei, L., Sundaramoorthy, M., Kagawa, N., Waterman, M.R.

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)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 229.75 kDa 
• Atom Count: 14,525 
• Modelled Residue Count: 1,752 
• Deposited Residue Count: 1,984 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Steroid 21-hydroxylase	A, B, C, D	496	Bos taurus	Mutation(s): 2  Gene Names: CYP21, CYP21A1 EC: 1.14.99.10 (PDB Primary Data), 1.14.14.16 (UniProt) Membrane Entity: Yes
UniProt
Find proteins for P00191 (Bos taurus) Explore P00191  Go to UniProtKB:  P00191

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	E [auth A], H [auth B], K [auth C], N [auth D]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
3QZ	F [auth A], G [auth A], I [auth B], J [auth B], L [auth C], M [auth C], O [auth D], P [auth D]	(9beta)-17-hydroxypregn-4-ene-3,20-dione C21 H30 O3 DBPWSSGDRRHUNT-CEGNMAFCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.00 Å
• R-Value Free:  0.297 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.282 (Depositor), 0.260 (DCC) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.871	α = 90
b = 167.998	β = 90.09
c = 111.843	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-01-18 
Deposition Author(s): Zhao, B., Waterman, M.R.

Revision History  

• Version 1.0: 2012-01-18
  Type: Initial release
  
• Version 1.1: 2012-05-09
  Changes: Data collection
• Version 1.2: 2017-11-08
  Changes: Refinement description
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references, Derived calculations