Protein Biological process Molecular function Extracellular vesicle proteins A B C D E F G H I J K L M N O P Q R S T U V W X Y Z       O-linked N-acetylglucosamine (GlcNAc) transferase O-sialoglycoprotein endopeptidase OAF homolog (Drosophila) Obg-like ATPase 1 obscurin, cytoskeletal calmodulin and titin-interacting RhoGEF obscurin-like 1 OCIA domain containing 1 oculocerebrorenal syndrome of Lowe oculocutaneous albinism II olfactomedin 1 olfactomedin 2 olfactomedin 3 olfactomedin-like 3 olfactory receptor, family 1, subfamily A, member 1 olfactory receptor, family 1, subfamily A, member 2 olfactory receptor, family 1, subfamily F, member 1 olfactory receptor, family 1, subfamily I, member 1 olfactory receptor, family 1, subfamily J, member 1 olfactory receptor, family 1, subfamily L, member 4 olfactory receptor, family 1, subfamily N, member 1 olfactory receptor, family 10, subfamily AD, member 1 olfactory receptor, family 10, subfamily G, member 2 olfactory receptor, family 10, subfamily G, member 3 olfactory receptor, family 10, subfamily H, member 1 olfactory receptor, family 10, subfamily H, member 3 olfactory receptor, family 10, subfamily J, member 1 olfactory receptor, family 10, subfamily K, member 1 olfactory receptor, family 10, subfamily P, member 1 olfactory receptor, family 10, subfamily Q, member 1 olfactory receptor, family 10, subfamily T, member 2 olfactory receptor, family 10, subfamily V, member 1 olfactory receptor, family 11, subfamily G, member 2 olfactory receptor, family 12, subfamily D, member 2 olfactory receptor, family 13, subfamily A, member 1 olfactory receptor, family 13, subfamily C, member 8 olfactory receptor, family 13, subfamily H, member 1 olfactory receptor, family 14, subfamily C, member 36 olfactory receptor, family 2, subfamily A, member 14 olfactory receptor, family 2, subfamily A, member 5 olfactory receptor, family 2, subfamily AE, member 1 olfactory receptor, family 2, subfamily B, member 2 olfactory receptor, family 2, subfamily B, member 6 olfactory receptor, family 2, subfamily D, member 3 olfactory receptor, family 2, subfamily F, member 1 olfactory receptor, family 2, subfamily H, member 2 olfactory receptor, family 2, subfamily J, member 2 olfactory receptor, family 2, subfamily L, member 13 olfactory receptor, family 2, subfamily L, member 8 olfactory receptor, family 2, subfamily M, member 2 olfactory receptor, family 2, subfamily S, member 2 olfactory receptor, family 2, subfamily T, member 1 olfactory receptor, family 2, subfamily T, member 34 olfactory receptor, family 2, subfamily T, member 35 olfactory receptor, family 2, subfamily T, member 6 olfactory receptor, family 2, subfamily Y, member 1 olfactory receptor, family 2, subfamily Z, member 1 olfactory receptor, family 3, subfamily A, member 2 olfactory receptor, family 4, subfamily A, member 16 olfactory receptor, family 4, subfamily C, member 12 olfactory receptor, family 4, subfamily C, member 16 olfactory receptor, family 4, subfamily C, member 6 olfactory receptor, family 4, subfamily D, member 5 olfactory receptor, family 4, subfamily D, member 9 olfactory receptor, family 4, subfamily K, member 14 olfactory receptor, family 4, subfamily K, member 17 olfactory receptor, family 4, subfamily L, member 1 olfactory receptor, family 4, subfamily M, member 1 olfactory receptor, family 4, subfamily M, member 2 olfactory receptor, family 4, subfamily N, member 2 olfactory receptor, family 4, subfamily P, member 4 olfactory receptor, family 4, subfamily S, member 1 olfactory receptor, family 4, subfamily X, member 2 olfactory receptor, family 5, subfamily A, member 2 olfactory receptor, family 5, subfamily AC, member 2 olfactory receptor, family 5, subfamily AU, member 1 olfactory receptor, family 5, subfamily C, member 1 olfactory receptor, family 5, subfamily D, member 18 olfactory receptor, family 5, subfamily F, member 1 olfactory receptor, family 5, subfamily H, member 2 olfactory receptor, family 5, subfamily H, member 6 olfactory receptor, family 5, subfamily I, member 1 olfactory receptor, family 5, subfamily L, member 2 olfactory receptor, family 5, subfamily M, member 1 olfactory receptor, family 5, subfamily M, member 9 olfactory receptor, family 5, subfamily R, member 1 olfactory receptor, family 5, subfamily T, member 2 olfactory receptor, family 51, subfamily A, member 2 olfactory receptor, family 51, subfamily A, member 7 olfactory receptor, family 51, subfamily B, member 4 olfactory receptor, family 51, subfamily E, member 1 olfactory receptor, family 51, subfamily E, member 2 olfactory receptor, family 51, subfamily F, member 2 olfactory receptor, family 51, subfamily G, member 1 olfactory receptor, family 51, subfamily G, member 2 olfactory receptor, family 51, subfamily L, member 1 olfactory receptor, family 51, subfamily S, member 1 olfactory receptor, family 52, subfamily A, member 1 olfactory receptor, family 52, subfamily B, member 4 olfactory receptor, family 52, subfamily B, member 6 olfactory receptor, family 52, subfamily E, member 2 olfactory receptor, family 52, subfamily I, member 2 olfactory receptor, family 52, subfamily K, member 2 olfactory receptor, family 52, subfamily N, member 2 olfactory receptor, family 52, subfamily N, member 4 olfactory receptor, family 56, subfamily A, member 1 olfactory receptor, family 56, subfamily A, member 3 olfactory receptor, family 56, subfamily B, member 4 olfactory receptor, family 6, subfamily K, member 3 olfactory receptor, family 6, subfamily K, member 6 olfactory receptor, family 6, subfamily S, member 1 olfactory receptor, family 6, subfamily X, member 1 olfactory receptor, family 7, subfamily A, member 17 olfactory receptor, family 7, subfamily A, member 5 olfactory receptor, family 7, subfamily C, member 2 olfactory receptor, family 7, subfamily D, member 2 olfactory receptor, family 7, subfamily G, member 1 olfactory receptor, family 8, subfamily D, member 2 olfactory receptor, family 8, subfamily D, member 4 olfactory receptor, family 8, subfamily H, member 2 olfactory receptor, family 8, subfamily H, member 3 olfactory receptor, family 8, subfamily J, member 1 olfactory receptor, family 8, subfamily J, member 3 olfactory receptor, family 8, subfamily K, member 3 olfactory receptor, family 9, subfamily G, member 4 olfactory receptor, family 9, subfamily Q, member 1 oligodendrocyte lineage transcription factor 2 oligodendrocyte myelin glycoprotein oligodendrocyte transcription factor 1 oligodendrocyte transcription factor 3 oligodendrocytic myelin paranodal and inner loop protein oligophrenin 1 oncoprotein induced transcript 3 oncostatin M oncostatin M receptor one cut homeobox 1 one cut homeobox 2 opioid binding protein/cell adhesion molecule-like opioid growth factor receptor opioid receptor, delta 1 opioid receptor, kappa 1 opsin 1 (cone pigments), medium-wave-sensitive opsin 1 (cone pigments), medium-wave-sensitive 2 opsin 3 opsin 4 optic atrophy 1 (autosomal dominant) opticin oral cancer overexpressed 1 oral-facial-digital syndrome 1 origin recognition complex, subunit 2 origin recognition complex, subunit 4 origin recognition complex, subunit 5 origin recognition complex, subunit 6 ORM1-like 3 (S. cerevisiae) ornithine carbamoyltransferase ornithine decarboxylase 1 ornithine decarboxylase antizyme 1 ornithine decarboxylase antizyme 2 orosomucoid 1 orosomucoid 2 osteoclast associated, immunoglobulin-like receptor osteoclast stimulating factor 1 osteocrin osteoglycin osteomodulin osteosarcoma amplified 9, endoplasmic reticulum lectin otoancorin otoconin 90 otoferlin otoraplin OTU domain containing 4 OTU domain containing 7A OTU domain containing 7B OTU domain, ubiquitin aldehyde binding 1 OTU domain, ubiquitin aldehyde binding 2 outer dense fiber of sperm tails 2 oviductal glycoprotein 1, 120kDa ovo-like 1(Drosophila) ovo-like 2 (Drosophila) oxidase (cytochrome c) assembly 1-like oxidation resistance 1 oxidative stress induced growth inhibitor 1 oxidative stress induced growth inhibitor family member 2 oxidative stress responsive serine-rich 1 oxoglutarate (alpha-ketoglutarate) dehydrogenase (lipoamide) oxysterol binding protein oxysterol binding protein 2 oxysterol binding protein-like 10 oxysterol binding protein-like 11 oxysterol binding protein-like 1A oxysterol binding protein-like 3 oxysterol binding protein-like 5 oxysterol binding protein-like 6 oxysterol binding protein-like 7 oxysterol binding protein-like 8 oxysterol binding protein-like 9 oxytocin receptor oxytocin/neurophysin I prepropeptide