Immunogen sequence: AGVNLSGWRP NEDDAGNGVK PAPGRDPLTC DREGDGEPKS AHTSPEKKKA KELPEMDATS SRVWILTSTL TTSKVVIIDA NQPGTVVDQF
Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 89%.
c-Jun NH2-terminal kinases (JNKs) are distant members of the MAP kinase family. JNK1 is activated by dual phosphorylation at a Thr-Pro-Tyr motif in response to ultraviolet (UV) light, and it functions to phosphorylate c-Jun at amino terminal serine regulatory sites Ser 63 and Ser 73, resulting in transcriptional activation. Two additional JNK family members, JNK2 and JNK3, have been identified. JIP-1 (for JNK interacting protein-1) has been identified as a cytoplasmic inhibitor of JNK that retains JNK in the cytoplasm, thereby inhibiting JNK-regulated gene expression. Evidence suggests that JNK1 and JNK2 bind to JIP-1 with greater affinity than to ATF-2 and c-Jun, which are targets of the JNK signaling pathway. JIP-1 contains an amino terminal JNK binding domain and a carboxy terminal SH3 domain. ATF-2 and c-Jun also contain the JNK binding domain and are thought to compete with JIP-1 for JNK binding. Multiple splice variants of JIP-1, including JIP-1b, JIP-1c (also designated islet-brain 1 or IB-1), JIP-2a, JIP-2b and JIP-3, have been identified in brain.
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Protein Aliases: C-jun-amino-terminal kinase interacting protein 3; C-Jun-amino-terminal kinase-interacting protein 3; homolog of Drosophila Sunday driver 2; JIP-3; JIP3; JNK MAP kinase scaffold protein 3; JNK-interacting protein 3; JNK/SAPK-associated protein-1; JNK/stress-activated protein kinase-associated protein 1; KIAA1066; Mitogen-activated protein kinase 8-interacting protein 3
Gene Aliases: JIP-3; JIP3; JSAP1; KIAA1066; MAPK8IP3; syd; SYD2
UniProt ID: (Human) Q9UPT6
Entrez Gene ID: (Human) 23162