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Table 1 Pseudo attP sites in pig kidney PK15 cell line

From: Pseudo attP sites in favor of transgene integration and expression in cultured porcine cells identified by streptomyces phage phiC31 integrase

Site

Sequencea,b

Identity to attP (%)c

Genomic location

Integration frequencyd

attP

CCCCAACTGGGGTAACCTTTG AGTTCTCTCAGTTGGGGG

100

  

5113

AAGGA TTTGG ATT TCATC TGT GTAT GCTCAGTACTTTTT

18

Chr1, † , 114220089–114220127,Int.Ge

2/6=33%

5156

TGGATTTGGG TG CCAC GG TGA CTCAGATGGGAT GCCGGG

26

Chr7, − , 45581124–45581162,Int.G

2/6 = 33%

1015

GCC TGGTATCATCAA ACA TTT A TGGGATCTCTGCCATG T

23

Chr9, − , 42746366–42746404,Int.G

1/6 = 17%

2015

ATAC CCC CAATATA GC TC TGA A AT AC CAATGG GTG TTCC

31

Chr3, - , 54698718–54698756,Int.G

1/6 = 17%

  1. aThe TTG core in the wild-type attP site and similar core in pseudo attP site of pig genome are shown in bold.
  2. bNucleotides identical to the wild-type site at that position are underlined.
  3. cThe identity is calculated by Bioedit.
  4. dIntegration frequency = recombination clones/total selected clones × 100%.
  5. eInt.G, intergenic region.