Keywords: Telomere quadruplex without fog.jpg Crystal structure of parallel quadruplexes from human telomeric DNA The DNA strand circles the bases that stack together in the center around two co-ordinated metal ions Carbon is shown in white oxygen in red nitrogen in blue and phosphorus in yellow Hydrogens are omitted for clarity http //ndbserver rutgers edu/atlas/xray/structures/U/ud0017/ud0017 html Produced from NDB ID UD0017 en wikipedia 2007-01-12 TimVickers wikipedia en thumb Fogged TimVickers original upload log page en wikipedia Telomere_quadruplex jpg 2007-01-12 02 36 TimVickers 1031×1018× 474796 bytes <nowiki>Crystal structure of parallel quadruplexes from human telomeric DNA The DNA strand circles the bases that stack together in the center around a co-ordinated metal ion http //ndbserver rutgers edu/atlas/xray/structures/U/ud0017/ud0017 html Produced from</nowiki> 2006-12-21 01 52 TimVickers 611×574× 226817 bytes <nowiki>Crystal structure of parallel quadruplexes from human telomeric DNA http //ndbserver rutgers edu/atlas/xray/structures/U/ud0017/ud0017 html Produced from NDB ID UD0017</nowiki> 2006-12-21 01 50 TimVickers 612×598× 227286 bytes <nowiki>Crystal structure of parallel quadruplexes from human telomeric DNA http //ndbserver rutgers edu/atlas/xray/structures/U/ud0017/ud0017 html Produced from NDB ID UD0017</nowiki> DNA chemical structures Telomeres |