The following gene names and symbols are associated with antigen Estrogen Receptor across different species:

estrogen receptor alpha 2 (LOC398733), estrogen receptor alpha 1 (LOC398734), estrogen receptor 1 (alpha) (Esr1), estrogen receptor 1 (ESR1), estrogen receptor 1 (esr1), estrogen related receptor, alpha (Esrra), estrogen-related receptor alpha (ESRRA), estrogen-related receptor alpha (esrra), estrogen-related receptor alpha (LOC100125507), estrogen receptor 2b (esr2b), estrogen receptor beta 2 (erb2), estrogen receptor beta 1 (erb1), estrogen receptor 2 (ER beta) (ESR2), estrogen receptor 2 (ER beta) (esr2), estrogen receptor beta (ERB), estrogen receptor 2 (beta) (Esr2), estrogen receptor 2a (esr2a), estrogen-related receptor beta type 1 (LOC100125508), estrogen-related receptor beta type 2 (errb2), cadherin 5, type 2 (vascular endothelium) (CDH5), actin, gamma 1 pseudogene 1 (ACTG1P1), estrogen receptor 1 (Esr1), estrogen receptor (er), N-acetyltransferase 2 (arylamine N-acetyltransferase) (NAT2), estrogen receptor (ESR1)

Other aliases include:

LOC398733, LOC398734, ERa, ESR, Estr, ER[a], Estra, Nr3a1, ERalpha, AA420328, AU041214, ER-alpha, ESR1, NR3A1, eralpha, zfER[a], Errra, ERRalpha, ESRRA, err1, erra, esrral, erralpha, LOC100125507, ESTRRA, esrl1, nr3b1, MGC147343, ERRa, ER[b]1, zfER[b]1, MGC103724, zfER-beta1, erb2, erb1, CERB, ESR2, ERB, erb, esrb, estrb, nr3a2, ERbeta, er-beta, esr-beta, ERBETA, er, ER-beta, ER[b], Estrb, ER[b]2, ER[b]a, zfER[b]2, zfER-beta2, LOC100125508, errb2, ER, Era, ESRA, DKFZp686N23123, 7B4, CD144, FLJ17376, ACTGP1, ACT1GP1, HY-psi-gamma-AC6, Esr, RNESTROR, ERALPHA, esr, esr1, nr3a1, AAC2, PNAT, XER, era, esra, xesr-1, xlERalpha1, xlERalpha2

On the protein level the following designations are being used for antigen Estrogen Receptor:

estrogen receptor alpha 2 – bER alpha1 – gER alpha1 – brain estrogen receptor alpha1 – gonad estrogen receptor alpha1 – estrogen receptor alpha 1 – estrogen receptor 1 (alpha) – OTTMUSP00000022868 – OTTMUSP00000022869 – OTTMUSP00000022870 – estrogen receptor alpha variant U1 – estrogen receptor alpha variant U2 – estrogen receptor alpha – estradiol receptor – estrogen receptor 1 – estrogen receptor, alpha – estrogen related receptor, alpha – orphan nuclear receptor – estrogen-related receptor alpha – NR3B1 – estrogen-related receptor 1 – estrogen-related receptor alpha-like – estrogen receptor 2b – NR3A2-A – ERbeta-A – estrogen receptor beta1 – estrogen receptor beta 2 – estrogen receptor beta 1 – estrogen receptor 2 (ER beta) – estrogen receptor beta – estradiol receptor beta – steroid receptor – ER beta – OTTMUSP00000023299 – OTTMUSP00000023324 – oestrogen receptor beta – estrogen receptor 2a – NR3A2-B – ERbeta-B – estrogen receptor beta2 – estrogen-related receptor beta type 1 – estrogen-related receptor beta type 2 – estrogen receptor alpha delta 4 +49 isoform – estrogen receptor alpha delta 4*,5,6,7*/654 isoform – estrogen receptor alpha delta 3*,4,5,6,7*/819-2 isoform – cadherin 5, type 2 – 7B4 antigen – VE-cadherin – cd144 antigen – endothelial-specific cadherin – vascular endothelial cadherin – cadherin 5, type 2, VE-cadherin (vascular epithelium) – estrogen receptor – Er alpha – Estrogen receptor alpha – estrogen receptor protein – nuclear receptor subfamily 3 group A member 1 – N-acetyltransferase 2 – arylamide acetylase 2

Estrogen Receptor fulfills a number of functions:

DNA binding – ligand-dependent nuclear receptor activity – lipid binding – metal ion binding – protein binding – receptor activity – sequence-specific DNA binding – steroid binding – steroid hormone receptor activity – transcription factor activity – transcription regulator activity – zinc ion binding – protein domain specific binding – estrogen receptor activity – estrogen response element binding – nitric-oxide synthase regulator activity – protein N-terminus binding – calcium ion binding – receptor binding – beta-catenin binding – hormone binding – protein complex binding – sequence-specific DNA binding transcription factor activity – transcription factor binding – acetyltransferase activity – arylamine N-acetyltransferase activity – transferase activity

Estrogen Receptor is relevant to the following processes:

androgen metabolic process – antral ovarian follicle growth – cell growth – epithelial cell development – epithelial cell proliferation involved in mammary gland duct elongation – male gonad development – mammary gland alveolus development – mammary gland branching involved in pregnancy – negative regulation of mitosis – positive regulation of fibroblast proliferation – prostate epithelial cord arborization involved in prostate glandular acinus morphogenesis – prostate epithelial cord elongation – regulation of branching involved in prostate gland morphogenesis – regulation of transcription – regulation of transcription, DNA-dependent – transcription – uterus development – vagina development – response to chemical stimulus – response to estradiol stimulus – response to estrogen stimulus – response to xenobiotic stimulus – cartilage development – positive regulation of transcription from RNA polymerase II promoter – positive regulation of transcription, DNA-dependent – regulation of cell proliferation – regulation of ossification – regulation of osteoblast differentiation – regulation of osteoclast differentiation – cell migration involved in gastrulation – transcription, DNA-dependent – brain development – negative regulation of cell proliferation – neuron migration – epithelial cell maturation involved in prostate gland development – estrogen receptor signaling pathway – negative regulation of androgen receptor signaling pathway – negative regulation of epithelial cell proliferation – ovarian follicle development – positive regulation of apoptosis – prostate gland epithelium morphogenesis – positive regulation of retinoic acid receptor signaling pathway – signal transduction – cell adhesion – homophilic cell adhesion – neuroprotection – osteoblast development – positive regulation of survival gene product expression – metabolic process

Locations for Estrogen Receptor:

cytoplasm – nucleus – mitochondrion – chromatin remodeling complex – plasma membrane – cell junction – integral to membrane – membrane fraction – T-tubule – neuron projection – perikaryon – protein complex – terminal button – cytosol

Source: NCBI Entrez Gene, Gene Ontology