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Table A lists enzymes with recognition sequences containing the start codon AUG. Those enzymes having a limited degree of degeneracy for the AUG codon (e.g., R, Y, W, etc.) are listed; however, those that would require the AUG to be composed completely of unspecified nucleotides (e.g., NNN) are not included. These enzymes can be useful for creating promoter fusions in gene expression studies.

Table A. Enzymes with the Start Codon (AUG) as Part of Recognition Sequence.
AflIII A/CRYGT BstF5I GGATG(2/0) NlaIII CATG/
BsaMI GAATGC(1/-1) DsaI C/CRYGG NsiI ATGCA/T
BseGI GGATG(2/0) FokI GGATG(9/13) NspI RCATG/Y
Bsp19I C/CATGG MslI CAYNN/NNRTG Ppu10I A/TGCAT
BspHI T/CATGA NcoI C/CATGG SphI GCATG/C
BspLU11I A/CATGT NdeI CA/TATG StyI C/CWWGG
BsrDI GCAATG(2/0)        

Table B lists enzymes with recognition sequences containing the stop codons UAA, UAG and UGA. Those enzymes having a limited degree of degeneracy for the stop codons (e.g. R, Y, W, etc.) are listed; however, those that would require the stop codons to be composed completely of unspecified nucleotides (e.g., NNN) are not included.

Table B. Enzymes with a Stop Codon (UAA, UAG, UGA) as Part of Recognition Sequence.
UAA UAG UGA
AseI AT/TAAT AccI GT/MKAC AsuHPI GGTGA(8/7)
Bst98I C/TTAAG AvrII C/CTAGG BclI T/GATCA
BstHPI GTT/AAC BfaI C/TAG BspHI T/CATGA
DraI TTT/AAA BfmI C/TRYAG Eco57I CTGAAG(16/14)
HincII GTY/RAC NheI G/CTAGC HincII GTY/RAC
HpaI GTT/AAC SfcI C/TRYAG HphI GGTGA(8/7)
PacI TTAAT/TAA SpeI A/CTAGT SmlI C/TYRAG
PmeI GTTT/AAAC StyI C/CWWGG Tsp45I /GTSAG
SmlI C/TYRAC XbaI T/CTAGA    
SwaI ATTT/AAAT        
Tru9I T/TAA        
VspI AT/TAAT