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. 2019 Mar 13;24(6):1010. doi: 10.3390/molecules24061010

Figure 2.

Figure 2

Figure 2

Structure of human telomeric duplex DNA (A), human telomeric parallel DNA G-quadruplex (PDB ID: 1KF1) 3(-p-p-p) (B), human telomeric anti-parallel DNA G-quadruplex (PDB ID: 143D) 3(-lwd+ln) (C), and human telomeric hybrid DNA quadruplex (PDB ID: 2HY9) 3(-p-lw-ln) (D). 5′ and 3′ of the DNA chain are indicated by a red and blue ball, respectively.