ESRRA
Function
Binds to an ERR-alpha response element (ERRE) containing a single consensus half-site, 5'-TNAAGGTCA-3'. Can bind to the medium-chain acyl coenzyme A dehydrogenase (MCAD) response element NRRE-1 and may act as an important regulator of MCAD promoter. Binds to the C1 region of the lactoferrin gene promoter. Requires dimerization and the coactivator, PGC-1A, for full activity. The ERRalpha/PGC1alpha complex is a regulator of energy metabolism. Induces the expression of PERM1 in the skeletal muscle.
Post-translational modifications
Phosphorylation on Ser-19 enhances sumoylation on Lys-14 increasing repression of transcriptional activity.
Sumoylated with SUMO2. Main site is Lys-14 which is enhanced by phosphorylation on Ser-19, cofactor activation, and by interaction with PIAS4. Sumoylation enhances repression of transcriptional activity, but has no effect on subcellular location nor on DNA binding.
Reversibly acetylated. Acetylation by PCAF/KAT2 at Lys-129, Lys-138, Lys-160 and Lys-162 and PCAF/KAT2 decreases transcriptional activity probably by inhibiting DNA-binding activity; deacetylation involves SIRT1 and HDAC8 and increases DNA-binding.
Sequence Similarities
Belongs to the nuclear hormone receptor family. NR3 subfamily.
Cellular localization
- Nucleus
- Cytoplasm
- Co-localizes to the cytoplasm only in presence of MAPK15.
Alternative names
ERR1, ESRL1, NR3B1, ESRRA, Steroid hormone receptor ERR1, Estrogen receptor-like 1, Estrogen-related receptor alpha, Nuclear receptor subfamily 3 group B member 1, ERR-alpha