Warning: The NCBI web site requires JavaScript to function. more...

An official website of the United States government

Here's how you know

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Log in

Account

Logged in as:
username

Dashboard
Publications
Account settings
Log out

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

MeSH

NLM Controlled Vocabulary

Search database

Search term

Limits
Advanced
Help

Full

Format

Full
Full (text)
Summary
Summary (text)

Send to:

Choose Destination

File
Clipboard
Collections

Format

Cytochrome P450 Family 21

A cytochrome P450 enzyme family that includes STEROID 21-HYDROXYLASE, which functions in the biosynthesis of STEROIDS.

Year introduced: 2017

PubMed search builder options

administration and dosage
adverse effects
analysis
antagonists and inhibitors
biosynthesis
blood
cerebrospinal fluid
chemical synthesis
chemistry
classification

deficiency
drug effects
economics
genetics
history
immunology
isolation and purification
metabolism
pharmacokinetics
pharmacology

physiology
poisoning
radiation effects
standards
supply and distribution
therapeutic use
toxicity
ultrastructure
urine

Restrict to MeSH Major Topic.

Do not include MeSH terms found below this term in the MeSH hierarchy.

Tree Number(s): D08.244.453.493, D08.811.682.690.708.170.463, D12.776.422.220.453.493

MeSH Unique ID: D000072497

Registry Number: EC 1.14.14.16

Entry Terms:

CYP21 Family
CYP21 Enzymes

Previous Indexing:

Steroid 21-Hydroxylase (1989-2016)

All MeSH Categories

Chemicals and Drugs Category

Enzymes and Coenzymes

Cytochrome P-450 Enzyme System

Cytochrome P450 Family 21

Steroid 21-Hydroxylase

All MeSH Categories

Chemicals and Drugs Category

Enzymes and Coenzymes

Oxidoreductases

Mixed Function Oxygenases

Cytochrome P-450 Enzyme System

Cytochrome P450 Family 21

Steroid 21-Hydroxylase

All MeSH Categories

Chemicals and Drugs Category

Amino Acids, Peptides, and Proteins

Cytochrome P-450 Enzyme System

Cytochrome P450 Family 21

Steroid 21-Hydroxylase

Supplemental Content

Follow NCBI

Connect with NLM

National Library of Medicine
8600 Rockville Pike
Bethesda, MD 20894

Web Policies
FOIA
HHS Vulnerability Disclosure

Help
Accessibility
Careers

NLM
NIH
HHS
USA.gov