'''Ćelijskopovršinski transmembranski [[glikoprotein]]ski CD200 receptor 1''' jest [[protein]] koji je kod [[ljudi]] [[kodon|kodiran]] [[gen]]om  '''CD200R1'''  sa [[hromosom 3|hromosoma 3]].<ref name="pmid10981966">{{cite journal | vauthors = Wright GJ, Puklavec MJ, Willis AC, Hoek RM, Sedgwick JD, Brown MH, Barclay AN | title = Lymphoid/neuronal cell surface OX2 glycoprotein recognizes a novel receptor on macrophages implicated in the control of their function | journal = Immunity | volume = 13 | issue = 2 | pages = 233–42 | date = august 2000 | pmid = 10981966 | doi = 10.1016/S1074-7613(00)00023-6 | doi-access = free }}</ref><ref name="pmid11133863">{{cite journal | vauthors = Dick AD, Broderick C, Forrester JV, Wright GJ | title = Distribution of OX2 antigen and OX2 receptor within retina | url = https://archive.org/details/sim_investigative-ophthalmology-visual-science_2001-01_42_1/page/170 | journal = Investigative Ophthalmology & Visual Science | volume = 42 | issue = 1 | pages = 170–6 | date = januar 2001 | pmid = 11133863 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: CD200R1 CD200 receptor 1| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=131450}}</ref> CD200R1 se eksprimira na površini mijeloidnih ćelija <ref>{{cite journal | vauthors = Wright GJ, Puklavec MJ, Willis AC, Hoek RM, Sedgwick JD, Brown MH, Barclay AN | title = Lymphoid/neuronal cell surface OX2 glycoprotein recognizes a novel receptor on macrophages implicated in the control of their function | journal = Immunity | volume = 13 | issue = 2 | pages = 233–42 | date = august 2000 | pmid = 10981966 | doi=10.1016/s1074-7613(00)00023-6| doi-access = free }}</ref> i CD4+ [[T-ćelija]].<ref>{{cite journal | vauthors = Caserta S, Nausch N, Sawtell A, Drummond R, Barr T, Macdonald AS, Mutapi F, Zamoyska R | title = Chronic infection drives expression of the inhibitory receptor CD200R, and its ligand CD200, by mouse and human CD4 T cells | journal = PLOS ONE | volume = 7 | issue = 4 | pages = e35466 | date = 2012 | pmid = 22496920 | pmc = 3322173 | doi = 10.1371/journal.pone.0035466 | bibcode = 2012PLoSO...735466C | doi-access = free }}</ref> Interragira sa CD200 transmembranskim glikoproteinom koji se može eksprimirati na različitim ćelijama uključujući [[neuron]]e,<ref>{{cite journal | vauthors = Costello DA, Lyons A, Denieffe S, Browne TC, Cox FF, Lynch MA | title = Long term potentiation is impaired in membrane glycoprotein CD200-deficient mice: a role for Toll-like receptor activation | journal = The Journal of Biological Chemistry | volume = 286 | issue = 40 | pages = 34722–32 | date = oktobar 2011 | pmid = 21835925 | pmc = 3186410 | doi = 10.1074/jbc.M111.280826 | doi-access = free }}</ref> epithelial cells,<ref>{{cite journal | vauthors = Rosenblum MD, Olasz EB, Yancey KB, Woodliff JE, Lazarova Z, Gerber KA, Truitt RL | title = Expression of CD200 on epithelial cells of the murine hair follicle: a role in tissue-specific immune tolerance? | journal = The Journal of Investigative Dermatology | volume = 123 | issue = 5 | pages = 880–7 | date = novembar 2004 | pmid = 15482475 | doi = 10.1111/j.0022-202X.2004.23461.x | doi-access = free }}</ref> [[endotel]]ne ćelije,<ref>{{cite journal | vauthors = Ko YC, Chien HF, Jiang-Shieh YF, Chang CY, Pai MH, Huang JP, Chen HM, Wu CH | title = Endothelial CD200 is heterogeneously distributed, regulated and involved in immune cell-endothelium interactions | journal = Journal of Anatomy | volume = 214 | issue = 1 | pages = 183–95 | date = januar 2009 | pmid = 19166481 | pmc = 2667927 | doi = 10.1111/j.1469-7580.2008.00986.x }}</ref> [[fibroblast]]e,<ref>{{cite journal | vauthors = Ishibashi M, Neri S, Hashimoto H, Miyashita T, Yoshida T, Nakamura Y, Udagawa H, Kirita K, Matsumoto S, Umemura S, Yoh K, Niho S, Tsuboi M, Masutomi K, Goto K, Ochiai A, Ishii G | title = CD200-positive cancer associated fibroblasts augment the sensitivity of Epidermal Growth Factor Receptor mutation-positive lung adenocarcinomas to EGFR Tyrosine kinase inhibitors | journal = Scientific Reports | volume = 7 | pages = 46662 | date = april 2017 | pmid = 28429795 | pmc = 5399371 | doi = 10.1038/srep46662 | bibcode = 2017NatSR...746662I }}</ref> i [[limfa|limfoidne]] ćelije.<ref>{{cite journal | vauthors = Gentry M, Bodo J, Durkin L, Hsi ED | title = Performance of a Commercially Available MAL Antibody in the Diagnosis of Primary Mediastinal Large B-Cell Lymphoma | journal = The American Journal of Surgical Pathology | volume = 41 | issue = 2 | pages = 189–194 | date = februar 2017 | pmid = 27879516 | doi = 10.1097/PAS.0000000000000771 | s2cid = 25206581 }}</ref>