Ring Finger Domain

The RING finger is a specialized type of Zn-finger consisting of 40 to 60 residues, which has the consensus sequence CX2CX(9-39)CX(1-3)HX(2-3)C/HX2CX(4-48)CX2C, that binds two atoms of zinc, and is involved in mediating protein-protein interactions. The RING domain mediates the interaction with the appropriate E2 enzyme. Unlike HECT E3 enzymes that form a thiol-ester with ubiquitin, RING fingers likely mediate ubiquitination by facilitating the direct transfer of ubiquitin from E2 enzyme to lysine residues on the target substrate. (NCI Thesaurus)

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A dosing unit equal to the amount of active ingredient(s) contained in a ring.

Ring Dosage Form

A solid composed active and/or inert ingredient(s) of in the shape of a hoop.

Ring Device Component

Any doughnut-shaped device.

Ring Compound

A cyclic compound. any compound in which the constituent atoms, or any part of them, form a ring. Used mainly in organic…

RING Box Protein 1

RING-box protein 1 (108 aa, ~12 kDa) is encoded by the human RBX1 gene. This protein plays a role in the modulation…

Ring Artifact

An artifact that is due to errors in an individual detector calibration.