D-threose
Threose is a tetrose with the molecular formula C4H8O4 and belongs to the aldose family.
There are two isomers of threose: L-threose and D-threose.
Accession Number : KLM0000382This work is released into the public domain; please see our release statement.
Config Rule :
% 'D-threose'
config('D-threose',[
chain([
aldehyde,
car(2,hydroxyl&&hyd;),
car(3,hyd&&hydroxyl;),
hydroxymethyl])]).
Smiles String :
[CH]([C@2H]([OH])[C@2H]([C@2H2][OH])[OH])=[O] 'D-threose'
Fischer Diagram :
Terminal :
% 'D-threose'
c(1,12,(0,nonchiral))-[h(1,nil)~,o(4,nil)~~,c(2,down)~],
c(2,12,(0,chiral))-[o(1,left)~,h(2,right)~,c(1,up)~,c(3,down)~],
c(3,12,(0,chiral))-[h(4,left)~,o(2,right)~,c(2,up)~,c(4,down)~],
c(4,12,(0,nonchiral))-[h(6,left)~,h(7,right)~,c(3,up)~,o(3,down)~],
h(1,1,(0,nonchiral))-[c(1,nil)~],
h(2,1,(0,nonchiral))-[c(2,left)~],
h(3,1,(0,nonchiral))-[o(1,nil)~],
h(4,1,(0,nonchiral))-[c(3,right)~],
h(5,1,(0,nonchiral))-[o(2,nil)~],
h(6,1,(0,nonchiral))-[c(4,right)~],
h(7,1,(0,nonchiral))-[c(4,left)~],
h(8,1,(0,nonchiral))-[o(3,nil)~],
o(1,16,(0,nonchiral))-[h(3,nil)~,c(2,right)~],
o(2,16,(0,nonchiral))-[c(3,left)~,h(5,nil)~],
o(3,16,(0,nonchiral))-[h(8,nil)~,c(4,up)~],
o(4,16,(0,nonchiral))-[c(1,nil)~~]
The Terminals for all the Config Rules are in Prolog Definite Clause Grammar (DCG) form.They can be checked in the Manual here.
The compound's PDB file can be seen here.