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:
Claiming the Credit. To claim the child tax credit, you must file Form 1040, Form 1040A, or Form 1040NR. You cannot claim the child tax credit on Form 1040EZ or Form 1040NR-EZ. You must provide the name and identification number (usually a social security number) on your tax return for each qualifying child.f you answered â Yes â on line 9 or line 10 of the Child Tax Credit Worksheet in the Form 1040, Form 1040A, or Form 1040NR instructions (or on line 13 of the Child Tax Credit Worksheet in this publication), use Parts II through IV of Schedule 8812 to see if you can take the additional child tax credit.