leucine zipper a structured motif found in some DNA binding regulatory proteins formed from a region of Î±-helix containing at least four leucines, each separated by six amino acids from one another; the leucines align along one edge of the Î±-helix with one leucine at every second turn of the helix such that the leucine of one protein can interdigitate with the leucines of another protein in a zipper manner.
You may be able to claim Child Tax Credit if youâre responsible for children either: aged 16 or under - you can claim up until 31 August after their 16th birthday; under 20 and in eligible education or training; You donât need to be working to claim Child Tax Credit. Only one household can get Child Tax Credit for a child. What youâll get. The amount you can get depends on how many children youâve got and whether youâre:
Introduction. The child tax credit is a credit that may reduce your tax by as much as $1,000 for each of your qualifying children. The additional child tax credit is a credit you may be able to take if you are not able to claim the full amount of the child tax credit.o claim the child tax credit, you must file Form 1040 or Form 1040A. You cannot claim the child tax credit on Form 1040EZ. You must provide the name and identification number (usually a social security number) on your tax return for each qualifying child.