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. 2008 Mar 5;3(3):e1731. doi: 10.1371/journal.pone.0001731

Figure 1. Four conserved regions (region1∼4) on ALVEs and one unique region (region5) of ALVE1 for pyrosequencing and real-time RT-PCR.

Figure 1

5′LTR: 5′ long terminal repeat; U3: U3 region in LTR; R: R region in LTR; U5: U5 region in LTR; gag: gag gene; pol: pol gene; env: env gene; PPT: polypurine tract; 3′LTR: 3′ long terminal repeat of ALVE. PPT-U3 region: combined PPT and U3 regions for real-time RT-PCR. Green arrow shows the CpG islands that including 813 CpG sites within 7525 bp of ALVE1 (Blat result from UCSC Genome Browser website).