Skip to main content
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NALT Concept Space
U.S. Department of Agriculture

NALT Full

Concept information

  1. Research, Technology, Methods
  2. drugs
  3. anti-infective agents
  4. antibiotics
  5. beta-lactam antibiotics
  6. penicillins
  1. Research, Technology, Methods
  2. chemical compounds
  3. organic compounds
  4. heterocyclic compounds
  5. heterocyclic nitrogen compounds
  6. penicillins
  1. Research, Technology, Methods
  2. chemical compounds
  3. organic compounds
  4. organic nitrogen compounds
  5. heterocyclic nitrogen compounds
  6. penicillins
  1. Research, Technology, Methods
  2. chemical compounds
  3. nitrogen compounds
  4. organic nitrogen compounds
  5. heterocyclic nitrogen compounds
  6. penicillins
  1. Research, Technology, Methods
  2. chemical substances
  3. chemical compounds
  4. sulfur compounds
  5. beta-lactams
  6. penicillins
  1. Research, Technology, Methods
  2. organic nitrogen compounds
  3. amides
  4. lactams
  5. beta-lactams
  6. penicillins
  1. Research, Technology, Methods
  2. organic nitrogen compounds
  3. amides
  4. lactams
  5. beta-lactams
  6. penicillins

Preferred term

penicillins

Type

  • Chemical

Definition

  • Information A group of antibiotics that contain 6-aminopenicillanic acid with a side chain attached to the 6-amino group. The penicillin nucleus is the chief structural requirement for biological activity. The side-chain structure determines many of the antibacterial and pharmacological characteristics.

    Source: Medical Subject Headings 2011

    Type: Concept definition

Broader concept

Narrower concepts

Related concepts

In other languages

URI

https://lod.nal.usda.gov/nalt/8044

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 10/29/15