List of homing endonuclease cutting sites

Legend of nucleobases
Code Nucleotide represented
A Adenine (A)
C Cytosine (C)
G Guanine (G)
T Thymine (T)
N A, C, G or T
M A or C
R A or G
W A or T
Y C or T
S C or G
K G or T
H A, C or T
B C, G or T
V A, C or G
D A, G or T

The homing endonucleases are a special type of restriction enzymes encoded by introns or inteins. They act on the cellular DNA of the cell that synthesizes them; to be precise, in the opposite allele of the gene that encode them.[1]

Further information: Homing endonuclease.

Homing endonucleases

The list includes some of the most studied examples. The following concepts have been detailed:

Enzyme SF PDB code Source D SCL Recognition sequence Cut
I-AniI [2] HI 1P8K Aspergillus nidulans E mito 5' TTGAGGAGGTTTCTCTGTAAATAA
3' AACTCCTCCAAAGAGACATTTATT
5' ---TTGAGGAGGTTTC   TCTGTAAATAA--- 3'
3' ---AACTCCTCC   AAAGAGACATTTATT--- 5'
I-CeuI [3][4][5][6] HI 2EX5 Chlamydomonas eugametos E chloro 5' TAACTATAACGGTCCTAAGGTAGCGA
3' ATTGATATTGCCAGGATTCCATCGCT
5' ---TAACTATAACGGTCCTAA   GGTAGCGA--- 3'
3' ---ATTGATATTGCCAG   GATTCCATCGCT--- 5'
I-ChuI [7][8] HI Chlamydomonas humicola E chloro 5' GAAGGTTTGGCACCTCGATGTCGGCTCATC
3' CTTCCAAACCGTGGAGCTACAGCCGAGTAG
5' ---GAAGGTTTGGCACCTCG   ATGTCGGCTCATC--- 3'
3' ---CTTCCAAACCGTG   GAGCTACAGCCGAGTAG--- 5'
I-CpaI [8][9] HI Chlamydomonas pallidostigmata E chloro 5' CGATCCTAAGGTAGCGAAATTCA
3' GCTAGGATTCCATCGCTTTAAGT
5' ---CGATCCTAAGGTAGCGAA   ATTCA--- 3'
3' ---GCTAGGATTCCATC   GCTTTAAGT--- 5'
I-CpaII [10] HI Chlamydomonas pallidostigmata E chloro 5' CCCGGCTAACTCTGTGCCAG
3' GGGCCGATTGAGACACGGTC
5' ---CCCGGCTAACTC   TGTGCCAG--- 3'
5' ---GGGCCGAT   TGAGACACGGTC--- 3'
I-CreI [11] HI 1BP7 Chlamydomonas reinhardtii E chloro 5' CTGGGTTCAAAACGTCGTGAGACAGTTTGG
3' GACCCAAGTTTTGCAGCACTCTGTCAAACC
5' ---CTGGGTTCAAAACGTCGTGA   GACAGTTTGG--- 3'
3' ---GACCCAAGTTTTGCAG   CACTCTGTCAAACC--- 5'
I-DmoI HI 1B24 Desulfurococcus mobilis A chrm 5' ATGCCTTGCCGGGTAAGTTCCGGCGCGCAT
3' TACGGAACGGCCCATTCAAGGCCGCGCGTA
5' ---ATGCCTTGCCGGGTAA   GTTCCGGCGCGCAT--- 3'
3' ---TACGGAACGGCC   CATTCAAGGCCGCGCGTA--- 5'
H-DreI [12] 1MOW Escherichia coli pI-DreI B 5' CAAAACGTCGTAAGTTCCGGCGCG
3' GTTTTGCAGCATTCAAGGCCGCGC
5' ---CAAAACGTCGTAA   GTTCCGGCGCG--- 3'
3' ---GTTTTGCAG   CATTCAAGGCCGCGC--- 5'
I-HmuI [13][14] HIII 1U3E Bacillus subtilis phage SPO1 B phage 5' AGTAATGAGCCTAACGCTCAGCAA
3' TCATTACTCGGATTGCGAGTCGTT
  Nicking endonuclease: *
  3' ---TCATTACTCGGATTGC   GAGTCGTT--- 5'
I-HmuII [14][15] HIII Bacillus subtilis phage SP82 B phage 5' AGTAATGAGCCTAACGCTCAACAA
3' TCATTACTCGGATTGCGAGTTGTT
  Nicking endonuclease: *
  3' ---TCATTACTCGGATTGCGAGTTGTTN35   NNNN--- 5'
I-LlaI [16][17] HIII Lactococcus lactis B chrm 5' CACATCCATAACCATATCATTTTT
3' GTGTAGGTATTGGTATAGTAAAAA
5' ---CACATCCATAA   CCATATCATTTTT--- 3'
3' ---GTGTAGGTATTGGTATAGTAA   AAA--- 5'
I-MsoI 1M5X Monomastix sp. E 5' CTGGGTTCAAAACGTCGTGAGACAGTTTGG
3' GACCCAAGTTTTGCAGCACTCTGTCAAACC
5' ---CTGGGTTCAAAACGTCGTGA   GACAGTTTGG--- 3'
3' ---GACCCAAGTTTTGCAG   CACTCTGTCAAACC--- 5'
PI-PfuI 1DQ3 Pyrococcus furiosus Vc1 A 5' GAAGATGGGAGGAGGGACCGGACTCAACTT
3' CTTCTACCCTCCTCCCTGGCCTGAGTTGAA
5' ---GAAGATGGGAGGAGGG   ACCGGACTCAACTT--- 3'
3' ---CTTCTACCCTCC   TCCCTGGCCTGAGTTGAA--- 5'
PI-PkoII 2CW7 Pyrococcus kodakaraensis KOD1 A 5' CAGTACTACGGTTAC
3' GTCATGATGCCAATG
5' ---CAGTACTACG  GTTAC--- 3'
3' ---GTCATG  ATGCCAATG--- 5'
I-PorI [18][19] HIII Pyrobaculum organotrophum A chrm 5' GCGAGCCCGTAAGGGTGTGTACGGG
3' CGCTCGGGCATTCCCACACATGCCC
5' ---GCGAGCCCGTAAGGGT   GTGTACGGG--- 3'
3' ---CGCTCGGGCATT   CCCACACATGCCC--- 5'
I-PpoI HIV 1EVX Physarum polycephalum E nuclear 5' TAACTATGACTCTCTTAAGGTAGCCAAAT
3' ATTGATACTGAGAGAATTCCATCGGTTTA
5' ---TAACTATGACTCTCTTAA   GGTAGCCAAAT--- 3'
3' ---ATTGATACTGAGAG   AATTCCATCGGTTTA--- 5'
PI-PspI HI Pyrococcus sp. A chrm 5' TGGCAAACAGCTATTATGGGTATTATGGGT
3' ACCGTTTGTCGATAATACCCATAATACCCA
5' ---TGGCAAACAGCTATTAT   GGGTATTATGGGT--- 3'
3' ---ACCGTTTGTCGAT   AATACCCATAATACCCA--- 5'
I-ScaI [20][21] HI Saccharomyces capensis E mito 5' TGTCACATTGAGGTGCACTAGTTATTAC
3' ACAGTGTAACTCCACGTGATCAATAATG
5' ---TGTCACATTGAGGTGCACT   AGTTATTAC--- 3'
3' ---ACAGTGTAACTCCAC   GTGATCAATAATG--- 5'
I-SceI [4][5] HI 1R7M Saccharomyces cerevisiae E mito 5' AGTTACGCTAGGGATAACAGGGTAATATAG
3' TCAATGCGATCCCTATTGTCCCATTATATC
5' ---AGTTACGCTAGGGATAA   CAGGGTAATATAG--- 3'
3' ---TCAATGCGATCCC   TATTGTCCCATTATATC--- 5'
PI-SceI [22][23] HI 1VDE Saccharomyces cerevisiae E 5' ATCTATGTCGGGTGCGGAGAAAGAGGTAATGAAATGGCA
3' TAGATACAGCCCACGCCTCTTTCTCCATTACTTTACCGT
5' ---ATCTATGTCGGGTGC   GGAGAAAGAGGTAATGAAATGGCA--- 3'
3' ---TAGATACAGCC   CACGCCTCTTTCTCCATTACTTTACCGT--- 5'
I-SceII [24][25][26] HI Saccharomyces cerevisiae E mito 5' TTTTGATTCTTTGGTCACCCTGAAGTATA
3' AAAACTAAGAAACCAGTGGGACTTCATAT
5' ---TTTTGATTCTTTGGTCACCC   TGAAGTATA--- 3'
3' ---AAAACTAAGAAACCAG   TGGGACTTCATAT--- 5'
I-SecIII [24][27][28] HI Saccharomyces cerevisiae E mito 5' ATTGGAGGTTTTGGTAACTATTTATTACC
3' TAACCTCCAAAACCATTGATAAATAATGG
5' ---ATTGGAGGTTTTGGTAAC   TATTTATTACC--- 3'
3' ---TAACCTCCAAAACC   ATTGATAAATAATGG--- 5'
I-SceIV [24][29][30] HI Saccharomyces cerevisiae E mito 5' TCTTTTCTCTTGATTAGCCCTAATCTACG
3' AGAAAAGAGAACTAATCGGGATTAGATGC
5' ---TCTTTTCTCTTGATTA   GCCCTAATCTACG--- 3'
3' ---AGAAAAGAGAAC   TAATCGGGATTAGATGC--- 5'
I-SceV [24][31] HIII Saccharomyces cerevisiae E mito 5' AATAATTTTCTTCTTAGTAATGCC
3' TTATTAAAAGAAGAATCATTACGG
5' ---AATAATTTTCT   TCTTAGTAATGCC--- 3'
3' ---TTATTAAAAGAAGAATCATTA   CGG--- 5'
I-SceVI [24][32] HIII Saccharomyces cerevisiae E mito 5' GTTATTTAATGTTTTAGTAGTTGG
3' CAATAAATTACAAAATCATCAACC
5' ---GTTATTTAATG   TTTTAGTAGTTGG--- 3'
3' ---CAATAAATTACAAAATCATCA   ACC--- 5'
I-SceVII [20] HI Saccharomyces cerevisiae E mito 5' TGTCACATTGAGGTGCACTAGTTATTAC
3' ACAGTGTAACTCCACGTGATCAATAATG
  Unknown **
I-Ssp6803I 2OST Synechocystis sp. PCC 6803 B 5' GTCGGGCTCATAACCCGAA
3' CAGCCCGAGTATTGGGCTT
5' ---GTCGGGCT   CATAACCCGAA--- 3'
3' ---CAGCCCGAGTA   TTGGGCTT--- 5'
I-TevI [33][34][35] HII 1I3J Escherichia coli phage T4 B phage 5' AGTGGTATCAACGCTCAGTAGATG
3' TCACCATAGT TGCGAGTCATCTAC
5' ---AGTGGTATCAAC   GCTCAGTAGATG--- 3'
3' ---TCACCATAGT   TGCGAGTCATCTAC--- 5'
I-TevII [33][36] HII Escherichia coli phage T4 B phage 5' GCTTATGAGTATGAAGTGAACACGTTATTC
3' CGAATACTCATACTTCACTTGTGCAATAAG
5' ---GCTTATGAGTATGAAGTGAACACGT   TATTC--- 3'
3' ---CGAATACTCATACTTCACTTGTG   CAATAAG--- 5'
I-TevIII [37] HIII Escherichia coli phage RB3 B phage 5' TATGTATCTTTTGCGTGTACCTTTAACTTC
3' ATACATAGAAAACGCACATGGAAATTGAAG
5' ---T   ATGTATCTTTTGCGTGTACCTTTAACTTC--- 3'
3' ---AT   ACATAGAAAACGCACATGGAAATTGAAG--- 5'
PI-TliI [38][39] HI Thermococcus litoralis A chrm 5' TAYGCNGAYACNGACGGYTTYT
3' ATRCGNCTRTGNCTGCCTAARA
5' ---TAYGCNGAYACNGACGG   YTTYT--- 3'
3' ---ATRCGNCTRTGNC   TGCCTAARA--- 5'
PI-TliII [22][39][40] HI Thermococcus litoralis A chrm 5' AAATTGCTTGCAAACAGCTATTACGGCTAT
3' TTTAACGAACGTTTGTCGATAATGCCGATA
  Unknown **
I-Tsp061I 2DCH Thermoproteus sp. IC-061 A 5' CTTCAGTATGCCCCGAAAC
3' GAAGTCATACGGGGCTTTG
5' ---CTTCAGTAT   GCCCCGAAAC--- 3'
3' ---GAAGT   CATACGGGGCTTTG--- 5'
I-Vdi141I 3E54 Vulcanisaeta distributa IC-141 A 5' CCTGACTCTCTTAAGGTAGCCAAA
3' GGACTGAGAGAATTCCATCGGTTT
5' ---CCTGACTCTCTTAA   GGTAGCCAAA--- 3'
3' ---GGACTGAG   AGAATTCCATCGGTTT--- 5'

*: Nicking endonuclease: These enzymes cut only one DNA strand, leaving the other strand untouched.
**: Unknown cutting site: Researchers have not been able to determine the exact cutting site of these enzymes yet.

See also

Information sources

Databases and lists of restriction enzymes:

Databases of proteins:

Notes and references

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