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- Table of Contents
Facts about XIAP-associated factor 1.
Mediates TNF-alpha- induced apoptosis and is involved in apoptosis in trophoblast cells. May inhibit BIRC4 indirectly by activating the mitochondrial apoptosis pathway.
Human | |
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Gene Name: | XAF1 |
Uniprot: | Q6GPH4 |
Entrez: | 54739 |
Belongs to: |
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No superfamily |
BIRC4-binding protein; BIRC4BPBIRC4 binding protein; HSXIAPAF1; XIAP associated factor 1; XIAPAF1XIAP-associated factor 1
Mass (kDA):
34.626 kDA
Human | |
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Location: | 17p13.1 |
Sequence: | 17; NC_000017.11 (6755408..6775647) |
Widely expressed. Expression is frequently down-regulated in cancer cell lines. Isoform 5 is widely expressed. Expressed in placenta (at protein level).
Cytoplasm. Nucleus. Mitochondrion. Found in the cytoplasm and nucleus of placental syncytiotrophoblasts. Translocates to mitochondria upon TNF-alpha treatment.; [Isoform 1]: Nucleus.; [Isoform 5]: Nucleus.
PMID: 11175744 by Liston P., et al. Identification of XAF1 as an antagonist of XIAP anti-Caspase activity.
PMID: 17570219 by Chung S.K., et al. Frequent alteration of XAF1 in human colorectal cancers: implication for tumor cell resistance to apoptotic stresses.