Amber codon is:
Terminator Codons/Stop Codons/Nonsense Codons
UAG --- Amber
UGA --- Opal
UAA --- Ochre
Exceptions
UGA can be recoded to Selenocysteine.
UAG can be recoded to Pyrrolysine.
UGA codes for Tryptophan in mitochondrial DNA.
Reference- Harper 30th edition Pg- 415
UAA
UAG
UGA
UAC