ABI1 (基因名), Abl interactor 1 (蛋白名), ABI1_HUMAN.
Human ABI1/ Abl interactor 1 ELISA Kit
Abelson interactor 1, Abl-binding protein 4, Eps8 SH3 domain-binding protein, Nap1-binding protein, Spectrin SH3 domain-binding protein 1, e3B1, Abi-1, AblBP4, Eps8-binding protein, Nap1BP, SSH3BP1
Natural and recombinant human Abl interactor 1
Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Interacts with ABL1, ENAH, STX1A, SNAP25, VAMP2, EPS8, and through its N-terminus with WASF1. Part of a complex consisting of ABI1, STX1A and SNAP25. Part of a complex consisting of ABI1, EPS8 and SOS1 (By similarity). Interacts with SOS1, SOS2, GRB2, SPTA1 and the first SH3 domain of NCK1. Isoform 6 does not interact with NCK1. Component of the WAVE2 complex composed of ABI1, CYFIP1/SRA1, NCKAP1/NAP1 (NCKAP1l/HEM1 in hematopoietic cells) and WASF2/WAVE2 (PubMed:16417406). Interacts (via SH3 domain) with SHANK2 and SHANK3, but not SHANK1; the interaction is direct. Interacts with the heterodimer MYC:MAX; the interaction may enhance MYC:MAX transcriptional activity. Interacts with human cytomegalovirus protein UL135. Interacts with FNBP1L (via the SH3 domain), WASF2, and CDC42, but only in the presence of FNBP1L (PubMed:19798448).
May act in negative regulation of cell growth and transformation by interacting with nonreceptor tyrosine kinases ABL1 and/or ABL2. May play a role in regulation of EGF-induced Erk pathway activation. Involved in cytoskeletal reorganization and EGFR signaling. Together with EPS8 participates in transduction of signals from Ras to Rac. In vitro, a trimeric complex of ABI1, EPS8 and SOS1 exhibits Rac specific guanine nucleotide exchange factor (GEF) activity and ABI1 seems to act as an adapter in the complex. Regulates ABL1/c-Abl-mediated phosphorylation of ENAH. Recruits WASF1 to lamellipodia and there seems to regulate WASF1 protein level. In brain, seems to regulate the dendritic outgrowth and branching as well as to determine the shape and number of synaptic contacts of developing neurons.
Cytoplasm Nucleus Cell projection Lamellipodium Cell projection Filopodium Cell projection Growth cone Cell junction Synapse Postsynaptic cell membrane Postsynaptic density Cytoplasm Cytoskeleton Localized to protruding lamellipodia and filopodia tips. Also localized to neuronal growth cones and synaptosomes. May shuttle from the postsynaptic densities to the nucleus (By similarity).
MAELQMLLEE | EIPSGKRALI | ESYQNLTRVA | DYCENNYIQA | TDKRKALEET |
KAYTTQSLAS | VAYQINALAN | NVLQLLDIQA | SQLRRMESSI | NHISQTVDIH |
KEKVARREIG | ILTTNKNTSR | THKIIAPANM | ERPVRYIRKP | IDYTVLDDVG |
HGVKWLKAKH | GNNQPARTGT | LSRTNPPTQK | PPSPPMSGRG | TLGRNTPYKT |
LEPVKPPTVP | NDYMTSPARL | GSQHSPGRTA | SLNQRPRTHS | GSSGGSGSRE |
NSGSSSIGIP | IAVPTPSPPT | IGPENISVPP | PSGAPPAPPL | APLLPVSTVI |
AAPGSAPGSQ | YGTMTRQISR | HNSTTSSTSS | GGYRRTPSVT | AQFSAQPHVN |
GGPLYSQNSI | SIAPPPPPMP | QLTPQIPLTG | FVARVQENIA | DSPTPPPPPP |
PDDIPMFDDS | PPPPPPPPVD | YEDEEAAVVQ | YNDPYADGDP | AWAPKNYIEK |
VVAIYDYTKD | KDDELSFMEG | AIIYVIKKND | DGWYEGVCNR | VTGLFPGNYV |
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