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TRIAP1

Gene
triap1
Protein
TP53-regulated inhibitor of apoptosis 1
Organism
Xenopus tropicalis
Length
78 amino acids
Function
Involved in the modulation of the mitochondrial apoptotic pathway by ensuring the accumulation of cardiolipin (CL) in mitochondrial membranes. The triap1:prelid1 complex probably functions as a phosphatidic acid (PA) transporter across the mitochondrion intermembrane space to provide PA for cardiolipin CL synthesis in the inner membrane. Likewise, the triap1:prelid3a complex mediates the transfer of phosphatidic acid (PA) between liposomes (in vitro) and probably functions as a PA transporter across the mitochondrion intermembrane space (in vivo). Mediates cell survival by inhibiting activation of caspase-9 which prevents induction of apoptosis (By similarity). Required for pronephros development; probably involved at an early stage in the formation of pronephric components derived from the somatic layer (PubMed:18472403).
Similarity
Belongs to the TRIAP1/MDM35 family.
Mass
8.944 kDa
Sequence
MNSVGEECTDMKREYDQCFNRWFAEKFLKGECSGDPCTELFRRYRDCVQKAIKDKDIPVDGVDFMGPSKSKTESDGSS

Gene
TRIAP1
Protein
TP53-regulated inhibitor of apoptosis 1
Organism
Homo sapiens
Length
76 amino acids
Function
Involved in the modulation of the mitochondrial apoptotic pathway by ensuring the accumulation of cardiolipin (CL) in mitochondrial membranes. In vitro, the TRIAP1:PRELID1 complex mediates the transfer of phosphatidic acid (PA) between liposomes and probably functions as a PA transporter across the mitochondrion intermembrane space to provide PA for CL synthesis in the inner membrane (PubMed:23931759). Likewise, the TRIAP1:PRELID3A complex mediates the transfer of phosphatidic acid (PA) between liposomes (in vitro) and probably functions as a PA transporter across the mitochondrion intermembrane space (in vivo) (PubMed:26071602). Mediates cell survival by inhibiting activation of caspase-9 which prevents induction of apoptosis (PubMed:15735003).
Similarity
Belongs to the TRIAP1/MDM35 family.
Mass
8.786 kDa
Sequence
MNSVGEACTDMKREYDQCFNRWFAEKFLKGDSSGDPCTDLFKRYQQCVQKAIKEKEIPIEGLEFMGHGKEKPENSS

Gene
Triap1
Protein
TP53-regulated inhibitor of apoptosis 1
Organism
Mus musculus
Length
76 amino acids
Function
Involved in the modulation of the mitochondrial apoptotic pathway by ensuring the accumulation of cardiolipin (CL) in mitochondrial membranes. In vitro, the TRIAP1:PRELID1 complex mediates the transfer of phosphatidic acid (PA) between liposomes and probably functions as a PA transporter across the mitochondrion intermembrane space to provide PA for CL synthesis in the inner membrane. Likewise, the TRIAP1:PRELID3A complex mediates the transfer of phosphatidic acid (PA) between liposomes (in vitro) and probably functions as a PA transporter across the mitochondrion intermembrane space (in vivo). Mediates cell survival by inhibiting activation of caspase-9 which prevents induction of apoptosis.
Similarity
Belongs to the TRIAP1/MDM35 family.
Mass
8.756 kDa
Sequence
MNSVGEACTDMKREYDQCFNRWFAEKFLKGDGSGDPCTDLFKRYQQCVQKAIKEKEIPIEGLEFMGHGKEKPENSS