Entrez Summary: Apoptosis is defined by several morphologic nuclear changes, including chromatin condensation and nuclear fragmentation. This gene encodes a nuclear protein that induces apoptotic chromatin condensation after activation by caspase-3, without inducing DNA fragmentation. This protein has also been shown to be a component of a splicing-dependent multiprotein exon junction complex (EJC) that is deposited at splice junctions on mRNAs, as a consequence of pre-mRNA splicing. It may thus be involved in mRNA metabolism associated with splicing. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Oct 2011].
UniProt Summary: Auxiliary component of the splicing-dependent multiprotein exon junction complex (EJC) deposited at splice junction on mRNAs. The EJC is a dynamic structure consisting of core proteins and several peripheral nuclear and cytoplasmic associated factors that join the complex only transiently either during EJC assembly or during subsequent mRNA metabolism. Component of the ASAP complexes which bind RNA in a sequence- independent manner and are proposed to be recruited to the EJC prior to or during the splicing process and to regulate specific excision of introns in specific transcription subsets; ACIN1 confers RNA-binding to the complex. The ASAP complex can inhibit RNA processing during in vitro splicing reactions. The ASAP complex promotes apoptosis and is disassembled after induction of apoptosis. Involved in the splicing modulation of BCL2L1/Bcl-X (and probably other apoptotic genes); specifically inhibits formation of proapoptotic isoforms such as Bcl-X(S); the activity is different from the established EJC assembly and function. Induces apoptotic chromatin condensation after activation by CASP3. Regulates cyclin A1, but not cyclin A2, expression in leukemia cells. {ECO:0000269|PubMed:10490026, ECO:0000269|PubMed:12665594, ECO:0000269|PubMed:18559500, ECO:0000269|PubMed:22203037, ECO:0000269|PubMed:22388736}.
Pfam DomainsGO Terms
Pfam Domains
SAP
GO Terms
ASAP complex
apoptotic chromosome condensation
positive regulation of monocyte differentiation
regulation of monocyte differentiation
apoptotic nuclear changes
cellular component disassembly involved in execution phase of apoptosis
chromosome condensation
execution phase of apoptosis
positive regulation of myeloid leukocyte differentiation
erythrocyte differentiation
erythrocyte homeostasis
positive regulation of myeloid cell differentiation
myeloid cell homeostasis
regulation of myeloid leukocyte differentiation
positive regulation of leukocyte differentiation
DNA packaging
positive regulation of hemopoiesis
nucleic acid binding
homeostasis of number of cells
myeloid cell differentiation
regulation of myeloid cell differentiation
ATPase activity
regulation of leukocyte differentiation
DNA conformation change
enzyme binding
RNA splicing
cellular component disassembly
nuclear speck
regulation of hemopoiesis
mRNA processing
hemopoiesis
hematopoietic or lymphoid organ development
immune system development
mRNA metabolic process
nucleolus
RNA processing
apoptotic process
positive regulation of cell differentiation
programmed cell death
chromosome organization
cell death
positive regulation of immune system process
positive regulation of developmental process
RNA binding
homeostatic process
regulation of immune system process
RNA metabolic process
positive regulation of multicellular organismal process
regulation of cell differentiation
gene expression
CRISPR Data
Compound HitMost Correlated Genes in ChemogenomicsTissues where Essential in the Avana Dataset (DepMap 20Q1)