US 7,482,444 B2
Terminating substrates for DNA polymerases
Jari Hovinen, Raisio (Finland)
Assigned to Wallac Oy, Turku (Finland)
Filed on Feb. 26, 2007, as Appl. No. 11/710,470.
Claims priority of provisional application 60/781380, filed on Mar. 13, 2006.
Prior Publication US 2007/0248973 A1, Oct. 25, 2007
Int. Cl. C07H 19/04 (2006.01); C07H 21/00 (2006.01); C07H 21/02 (2006.01); C12P 19/34 (2006.01); C12Q 1/68 (2006.01)
U.S. Cl. 536—26.6  [536/23.1; 536/24.3; 536/24.33; 435/6; 435/91.1] 9 Claims
 
1. A molecule of formula (I)
Z-R-L-X (I)
wherein,
Z is a triphosphate anion or its organic or inorganic salt;
R is a recognizing moiety, which is a nucleoside comprising a base bound to a 2,3-dideoxyribose or its acyclic derivative; and
Z-R has the formula (II)

OG Complex Work Unit Drawing
wherein the ribose ring optionally is replaced by an acyclic derivative in which one or both of the 2- and 3-carbon atoms from the ribose ring optionally are missing;
-L- is a linker; and
X is a non-luminescent lanthanide(III) chelate comprising a lanthanide(III) ion, wherein the lanthanide(III) ion is selected from the group consisting of europium, terbium,dysprosium and samarium.