active site

noun

Definition of active site

  1. :  a region on the surface of an enzyme whose shape permits binding only of a specific molecular substrate that then undergoes catalysis

1957

First Known Use of active site

1957


Medical Dictionary

active site

noun

Medical Definition of active site

  1. :  a region especially of a biologically active protein (as an enzyme) where catalytic activity takes place and whose shape permits the binding only of a specific reactant molecule


Learn More about active site


Seen and Heard

What made you want to look up active site? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

contemplative of or relative to the past

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • manet-jeanne-spring
  • Which is a synonym of chaffer?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ