Type: | Domain | Name: | HECT domain |
Description: | The HECT (Homologous to the E6-AP Carboxyl Terminus) domain is an around 350 amino acids motif that has been identified in proteins that all belong to aparticular E3 ubiquitin-protein ligase family []. HECT domain containing proteins accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then transfer it to target proteins. The site of ubiquitin thioester formation is a conserved cysteine residue located in the last 32-36 aa of the HECT domain []. The amino-terminal part of the HECT domain has been involved in E2 binding []. Once linked to ubiquitin, the target proteins are degraded in the 26 S proteasome. | Short Name: | HECT_dom |