Question

How many types of restriction endonucleases are found.

Answer 1

Restriction protein, conjointly referred to as endonuclease, a macromolecule made by a microorganism that cleaves polymer at specific sites on the molecule.

Complete answer:
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Restriction accelerator, restriction enzyme, or restrictase is an Associate in Nursing accelerator that cleaves DNA into fragments at or getting ready to specific recognition sites among molecules referred to as restriction sites.
Restriction accelerator, additionally known as restriction enzyme, a macromolecule made by microorganism that cleaves DNA at specific sites on the molecule. Within the microorganism cell, restriction enzymes cleave foreign DNA, therefore eliminating infecting organisms.
Restriction enzymes unit one class of the broader enzyme cluster of enzymes.
A restriction endonuclease|restriction nuclease (endonuclease) (or restriction endonuclease) is an enzyme that cuts DNA at or close to specific recognition ester sequences referred to as restriction sites.
completely different restriction endonucleases are classified into four different restriction sorts I, II, III and IV.
sort I enzymes cleave at websites remote from recognition sites.
sort II enzymes cleave inside or at short specific distances
from a recognition website.
sort III enzymes cleave at websites a brief distance from recognition sites.

Hence 4 types of restriction endonucleases are found.

Note: In the microorganism cell, restriction enzymes cleave foreign polymers, therefore eliminating infecting organisms.