Phyre 2 Results for A1YIY0
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HLA Mismatching Favoring Host-Versus-Graft NK Cell Activity Via KIR3DL1 Is Associated With
HLA mismatching favoring host-versus-graft NK cell activity via KIR3DL1 is associated with improved outcomes following lung transplantation John R. Greenland1,2,6, Haibo Sun3, Daniel Calabrese2, Tiffany Chong2, Jonathan P. Singer2, Jasleen Kukreja4, Steven R. Hays2, Jeffrey A. Golden2,4, George H. Caughey1,2,5, Jeffrey M. Venstrom2, Raja Rajalinginam3 1 Medical Service, Veterans Affairs Medical Center, San Francisco CA, 94121 2 Department of Medicine, University of California, San Francisco CA, 94143 3 Immunogenetics and Transplantation Laboratory, Department of Surgery, University of California, San Francisco CA, 94143 4 Department of Surgery, University of California, San Francisco CA, 94143 5 Cardiovascular Research Institute, University of California, San Francisco CA, 94143 6 Corresponding author: [email protected] Running Title: HVG NK cell activity in lung transplantation Abbreviations: antigen presenting cell (APC), bronchiolitis obliterans syndrome (BOS), bronchoalveolar lavage (BAL), chronic lung allograft dysfunction (CLAD), confidence interval (CI), forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC), hazard ratio (HR), host-versus-graft (HVG), Killer cell immunoglobulin-like receptor (KIR), Major Histocompatibility Complex (MHC), Natural Killer (NK), restrictive allograft syndrome (RAS), United Network for Organ Sharing (UNOS), University of California, San Francisco (UCSF) Abstract Chronic lung allograft dysfunction (CLAD) is linked to rejection and limits survival following lung transplantation. HLA-Bw4 recipients of HLA-Bw6 grafts have enhanced host-versus-graft (HVG) NK cell activity mediated by KIR3DL1 ligand. Because natural killer (NK) cells may promote tolerance by depleting antigen-presenting cells, we hypothesized improved outcomes for HLA-Bw4 recipients of HLA- Bw6 grafts. We evaluated differences in acute cellular rejection (ACR) and CLAD-free survival across 252 KIR3DL1+ recipients from UCSF. -
Molecular Profile of Tumor-Specific CD8+ T Cell Hypofunction in a Transplantable Murine Cancer Model
Downloaded from http://www.jimmunol.org/ by guest on September 25, 2021 T + is online at: average * The Journal of Immunology , 34 of which you can access for free at: 2016; 197:1477-1488; Prepublished online 1 July from submission to initial decision 4 weeks from acceptance to publication 2016; doi: 10.4049/jimmunol.1600589 http://www.jimmunol.org/content/197/4/1477 Molecular Profile of Tumor-Specific CD8 Cell Hypofunction in a Transplantable Murine Cancer Model Katherine A. Waugh, Sonia M. Leach, Brandon L. Moore, Tullia C. Bruno, Jonathan D. Buhrman and Jill E. Slansky J Immunol cites 95 articles Submit online. Every submission reviewed by practicing scientists ? is published twice each month by Receive free email-alerts when new articles cite this article. Sign up at: http://jimmunol.org/alerts http://jimmunol.org/subscription Submit copyright permission requests at: http://www.aai.org/About/Publications/JI/copyright.html http://www.jimmunol.org/content/suppl/2016/07/01/jimmunol.160058 9.DCSupplemental This article http://www.jimmunol.org/content/197/4/1477.full#ref-list-1 Information about subscribing to The JI No Triage! Fast Publication! Rapid Reviews! 30 days* Why • • • Material References Permissions Email Alerts Subscription Supplementary The Journal of Immunology The American Association of Immunologists, Inc., 1451 Rockville Pike, Suite 650, Rockville, MD 20852 Copyright © 2016 by The American Association of Immunologists, Inc. All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. This information is current as of September 25, 2021. The Journal of Immunology Molecular Profile of Tumor-Specific CD8+ T Cell Hypofunction in a Transplantable Murine Cancer Model Katherine A. -
Expression Tissue
The Journal of Immunology Killer Cell Ig-Like Receptor and Leukocyte Ig-Like Receptor Transgenic Mice Exhibit Tissue- and Cell-Specific Transgene Expression1 Danny Belkin,* Michaela Torkar,* Chiwen Chang,* Roland Barten,* Mauro Tolaini,† Anja Haude,* Rachel Allen,* Michael J. Wilson,* Dimitris Kioussis,† and John Trowsdale2* To generate an experimental model for exploring the function, expression pattern, and developmental regulation of human Ig-like activating and inhibitory receptors, we have generated transgenic mice using two human genomic clones: 52N12 (a 150-Kb clone encompassing the leukocyte Ig-like receptor (LILR)B1 (ILT2), LILRB4 (ILT3), and LILRA1 (LIR6) genes) and 1060P11 (a 160-Kb clone that contains ten killer cell Ig-like receptor (KIR) genes). Both the KIR and LILR families are encoded within the leukocyte receptor complex, and are involved in immune modulation. We have also produced a novel mAb to LILRA1 to facilitate expression studies. The LILR transgenes were expressed in a similar, but not identical, pattern to that observed in humans: LILRB1 was expressed in B cells, most NK cells, and a small number of T cells; LILRB4 was expressed in a B cell subset; and LILRA1 was found on a ring of cells surrounding B cell areas on spleen sections, consistent with other data showing monocyte/macrophage expression. KIR transgenic mice showed KIR2DL2 expression on a subset of NK cells and T cells, similar to the pattern seen in humans, and expression of KIR2DL4, KIR3DS1, and KIR2DL5 by splenic NK cells. These observations indicate that linked regulatory elements within the genomic clones are sufficient to allow appropriate expression of KIRs in mice, and illustrate that the presence of the natural ligands for these receptors, in the form of human MHC class I proteins, is not necessary for the expression of the KIRs observed in these mice. -
CD226 T Cells Expressing the Receptors TIGIT and Divergent Phenotypes of Human Regulatory
The Journal of Immunology Divergent Phenotypes of Human Regulatory T Cells Expressing the Receptors TIGIT and CD226 Christopher A. Fuhrman,*,1 Wen-I Yeh,*,1 Howard R. Seay,* Priya Saikumar Lakshmi,* Gaurav Chopra,† Lin Zhang,* Daniel J. Perry,* Stephanie A. McClymont,† Mahesh Yadav,† Maria-Cecilia Lopez,‡ Henry V. Baker,‡ Ying Zhang,x Yizheng Li,{ Maryann Whitley,{ David von Schack,x Mark A. Atkinson,* Jeffrey A. Bluestone,‡ and Todd M. Brusko* Regulatory T cells (Tregs) play a central role in counteracting inflammation and autoimmunity. A more complete understanding of cellular heterogeneity and the potential for lineage plasticity in human Treg subsets may identify markers of disease pathogenesis and facilitate the development of optimized cellular therapeutics. To better elucidate human Treg subsets, we conducted direct transcriptional profiling of CD4+FOXP3+Helios+ thymic-derived Tregs and CD4+FOXP3+Helios2 T cells, followed by comparison with CD4+FOXP32Helios2 T conventional cells. These analyses revealed that the coinhibitory receptor T cell Ig and ITIM domain (TIGIT) was highly expressed on thymic-derived Tregs. TIGIT and the costimulatory factor CD226 bind the common ligand CD155. Thus, we analyzed the cellular distribution and suppressive activity of isolated subsets of CD4+CD25+CD127lo/2 T cells expressing CD226 and/or TIGIT. We observed TIGIT is highly expressed and upregulated on Tregs after activation and in vitro expansion, and is associated with lineage stability and suppressive capacity. Conversely, the CD226+TIGIT2 population was associated with reduced Treg purity and suppressive capacity after expansion, along with a marked increase in IL-10 and effector cytokine production. These studies provide additional markers to delineate functionally distinct Treg subsets that may help direct cellular therapies and provide important phenotypic markers for assessing the role of Tregs in health and disease. -
Single-Cell RNA Sequencing Demonstrates the Molecular and Cellular Reprogramming of Metastatic Lung Adenocarcinoma
ARTICLE https://doi.org/10.1038/s41467-020-16164-1 OPEN Single-cell RNA sequencing demonstrates the molecular and cellular reprogramming of metastatic lung adenocarcinoma Nayoung Kim 1,2,3,13, Hong Kwan Kim4,13, Kyungjong Lee 5,13, Yourae Hong 1,6, Jong Ho Cho4, Jung Won Choi7, Jung-Il Lee7, Yeon-Lim Suh8,BoMiKu9, Hye Hyeon Eum 1,2,3, Soyean Choi 1, Yoon-La Choi6,10,11, Je-Gun Joung1, Woong-Yang Park 1,2,6, Hyun Ae Jung12, Jong-Mu Sun12, Se-Hoon Lee12, ✉ ✉ Jin Seok Ahn12, Keunchil Park12, Myung-Ju Ahn 12 & Hae-Ock Lee 1,2,3,6 1234567890():,; Advanced metastatic cancer poses utmost clinical challenges and may present molecular and cellular features distinct from an early-stage cancer. Herein, we present single-cell tran- scriptome profiling of metastatic lung adenocarcinoma, the most prevalent histological lung cancer type diagnosed at stage IV in over 40% of all cases. From 208,506 cells populating the normal tissues or early to metastatic stage cancer in 44 patients, we identify a cancer cell subtype deviating from the normal differentiation trajectory and dominating the metastatic stage. In all stages, the stromal and immune cell dynamics reveal ontological and functional changes that create a pro-tumoral and immunosuppressive microenvironment. Normal resident myeloid cell populations are gradually replaced with monocyte-derived macrophages and dendritic cells, along with T-cell exhaustion. This extensive single-cell analysis enhances our understanding of molecular and cellular dynamics in metastatic lung cancer and reveals potential diagnostic and therapeutic targets in cancer-microenvironment interactions. 1 Samsung Genome Institute, Samsung Medical Center, Seoul 06351, Korea. -
Supplementary Table 1: Adhesion Genes Data Set
Supplementary Table 1: Adhesion genes data set PROBE Entrez Gene ID Celera Gene ID Gene_Symbol Gene_Name 160832 1 hCG201364.3 A1BG alpha-1-B glycoprotein 223658 1 hCG201364.3 A1BG alpha-1-B glycoprotein 212988 102 hCG40040.3 ADAM10 ADAM metallopeptidase domain 10 133411 4185 hCG28232.2 ADAM11 ADAM metallopeptidase domain 11 110695 8038 hCG40937.4 ADAM12 ADAM metallopeptidase domain 12 (meltrin alpha) 195222 8038 hCG40937.4 ADAM12 ADAM metallopeptidase domain 12 (meltrin alpha) 165344 8751 hCG20021.3 ADAM15 ADAM metallopeptidase domain 15 (metargidin) 189065 6868 null ADAM17 ADAM metallopeptidase domain 17 (tumor necrosis factor, alpha, converting enzyme) 108119 8728 hCG15398.4 ADAM19 ADAM metallopeptidase domain 19 (meltrin beta) 117763 8748 hCG20675.3 ADAM20 ADAM metallopeptidase domain 20 126448 8747 hCG1785634.2 ADAM21 ADAM metallopeptidase domain 21 208981 8747 hCG1785634.2|hCG2042897 ADAM21 ADAM metallopeptidase domain 21 180903 53616 hCG17212.4 ADAM22 ADAM metallopeptidase domain 22 177272 8745 hCG1811623.1 ADAM23 ADAM metallopeptidase domain 23 102384 10863 hCG1818505.1 ADAM28 ADAM metallopeptidase domain 28 119968 11086 hCG1786734.2 ADAM29 ADAM metallopeptidase domain 29 205542 11085 hCG1997196.1 ADAM30 ADAM metallopeptidase domain 30 148417 80332 hCG39255.4 ADAM33 ADAM metallopeptidase domain 33 140492 8756 hCG1789002.2 ADAM7 ADAM metallopeptidase domain 7 122603 101 hCG1816947.1 ADAM8 ADAM metallopeptidase domain 8 183965 8754 hCG1996391 ADAM9 ADAM metallopeptidase domain 9 (meltrin gamma) 129974 27299 hCG15447.3 ADAMDEC1 ADAM-like, -
Binding Mode of the Side-By-Side Two-Igv Molecule CD226/DNAM-1 to Its Ligand CD155/Necl-5
Binding mode of the side-by-side two-IgV molecule CD226/DNAM-1 to its ligand CD155/Necl-5 Han Wanga, Jianxun Qib, Shuijun Zhangb,1, Yan Lib, Shuguang Tanb,2, and George F. Gaoa,b,2 aResearch Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences (CAS), 100101 Beijing, China; and bCAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China Edited by K. Christopher Garcia, Stanford University School of Medicine, Stanford, CA, and approved December 3, 2018 (received for review September 11, 2018) Natural killer (NK) cells are important component of innate immu- CD226, also known as DNAM-1, belongs to the Ig superfamily nity and also contribute to activating and reshaping the adaptive and contains two extracellular Ig-like domains (CD226-D1 and immune responses. The functions of NK cells are modulated by CD226-D2), and is widely expressed in monocytes, platelets, multiple inhibitory and stimulatory receptors. Among these recep- T cells, and most of the resting NK cells (8, 13, 19, 20). The tors, the activating receptor CD226 (DNAM-1) mediates NK cell intracellular domain of CD226 does not contain a tyrosine-based activation via binding to its nectin-like (Necl) family ligand, CD155 activation motif, which is accepted as responsible for activating (Necl-5). Here, we present a unique side-by-side arrangement signal transduction of stimulatory molecules (13). Instead, it pattern of two tandem immunoglobulin V-set (IgV) domains transmits the downstream signaling by phosphorylation of in- deriving from the ectodomains of both human CD226 (hCD226- tracellular phosphorylation sites and subsequent association with ecto) and mouse CD226 (mCD226-ecto), which is substantially integrin lymphocyte function-associated antigen 1 (21). -
Differential Integrin Adhesome Expression Defines Human Natural
bioRxiv preprint doi: https://doi.org/10.1101/2020.12.01.404806; this version posted December 1, 2020. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC 4.0 International license. Differential integrin adhesome expression defines human natural killer cell residency and developmental stage Everardo Hegewisch Solloa1, Seungmae Seo1, Bethany L. Mundy-Bosse2, Anjali Mishra3,a, Erik Waldman4,b, Sarah Maurrasse4,b, Eli Grunstein4, Thomas J. Connors5, Aharon G. Freud2,6, and Emily M. Mace1 1Department of Pediatrics, Columbia University College of Physicians and Surgeons, New York NY 10032 2Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center and The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210 33Division of Dermatology, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA; Comprehensive Cancer Center and The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH 43210 4Department of Otolaryngology - Head and Neck Surgery, Columbia University Medical Center, New York, New York 10032 5Department of Pediatrics, Division of Pediatric Critical Care and Hospital Medicine, Columbia University Irving Medical Center, New York, NY 10024 6Department of Pathology, The Ohio State University, Columbus, -
Snipa Snpcard
SNiPAcard Block annotations Block info genomic range chr19:55,117,749-55,168,602 block size 50,854 bp variant count 74 variants Basic features Conservation/deleteriousness Linked genes μ = -0.557 [-4.065 – AC009892.10 , AC009892.5 , AC009892.9 , AC245036.1 , AC245036.2 , phyloP 2.368] gene(s) hit or close-by AC245036.3 , AC245036.4 , AC245036.5 , AC245036.6 , LILRA1 , LILRB1 , LILRB4 , MIR8061 , VN1R105P phastCons μ = 0.059 [0 – 0.633] eQTL gene(s) CTB-83J4.2 , LILRA1 , LILRA2 , LILRB2 , LILRB5 , LILRP1 μ = -0.651 [-4.69 – 2.07] AC008984.5 , AC008984.5 , AC008984.6 , AC008984.6 , AC008984.7 , AC008984.7 , AC009892.10 , AC009892.10 , AC009892.2 , AC009892.2 , AC009892.5 , AC010518.3 , AC010518.3 , AC011515.2 , AC011515.2 , AC012314.19 , AC012314.19 , FCAR , FCAR , FCAR , FCAR , FCAR , FCAR , FCAR , FCAR , FCAR , FCAR , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL1 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL3 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , KIR2DL4 , -
WO 2018/067991 Al 12 April 2018 (12.04.2018) W !P O PCT
(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2018/067991 Al 12 April 2018 (12.04.2018) W !P O PCT (51) International Patent Classification: achusetts 021 15 (US). THE BROAD INSTITUTE, A61K 51/10 (2006.01) G01N 33/574 (2006.01) INC. [US/US]; 415 Main Street, Cambridge, Massachu C07K 14/705 (2006.01) A61K 47/68 (2017.01) setts 02142 (US). MASSACHUSETTS INSTITUTE OF G01N 33/53 (2006.01) TECHNOLOGY [US/US]; 77 Massachusetts Avenue, Cambridge, Massachusetts 02139 (US). (21) International Application Number: PCT/US2017/055625 (72) Inventors; and (71) Applicants: KUCHROO, Vijay K. [IN/US]; 30 Fairhaven (22) International Filing Date: Road, Newton, Massachusetts 02149 (US). ANDERSON, 06 October 2017 (06.10.2017) Ana Carrizosa [US/US]; 110 Cypress Street, Brookline, (25) Filing Language: English Massachusetts 02445 (US). MADI, Asaf [US/US]; c/o The Brigham and Women's Hospital, Inc., 75 Francis (26) Publication Language: English Street, Boston, Massachusetts 021 15 (US). CHIHARA, (30) Priority Data: Norio [US/US]; c/o The Brigham and Women's Hospital, 62/405,835 07 October 2016 (07.10.2016) US Inc., 75 Francis Street, Boston, Massachusetts 021 15 (US). REGEV, Aviv [US/US]; 15a Ellsworth Ave, Cambridge, (71) Applicants: THE BRIGHAM AND WOMEN'S HOSPI¬ Massachusetts 02139 (US). SINGER, Meromit [US/US]; TAL, INC. [US/US]; 75 Francis Street, Boston, Mass c/o The Broad Institute, Inc., 415 Main Street, Cambridge, (54) Title: MODULATION OF NOVEL IMMUNE CHECKPOINT TARGETS CD4 FIG. -
Supplementary Material DNA Methylation in Inflammatory Pathways Modifies the Association Between BMI and Adult-Onset Non- Atopic
Supplementary Material DNA Methylation in Inflammatory Pathways Modifies the Association between BMI and Adult-Onset Non- Atopic Asthma Ayoung Jeong 1,2, Medea Imboden 1,2, Akram Ghantous 3, Alexei Novoloaca 3, Anne-Elie Carsin 4,5,6, Manolis Kogevinas 4,5,6, Christian Schindler 1,2, Gianfranco Lovison 7, Zdenko Herceg 3, Cyrille Cuenin 3, Roel Vermeulen 8, Deborah Jarvis 9, André F. S. Amaral 9, Florian Kronenberg 10, Paolo Vineis 11,12 and Nicole Probst-Hensch 1,2,* 1 Swiss Tropical and Public Health Institute, 4051 Basel, Switzerland; [email protected] (A.J.); [email protected] (M.I.); [email protected] (C.S.) 2 Department of Public Health, University of Basel, 4001 Basel, Switzerland 3 International Agency for Research on Cancer, 69372 Lyon, France; [email protected] (A.G.); [email protected] (A.N.); [email protected] (Z.H.); [email protected] (C.C.) 4 ISGlobal, Barcelona Institute for Global Health, 08003 Barcelona, Spain; [email protected] (A.-E.C.); [email protected] (M.K.) 5 Universitat Pompeu Fabra (UPF), 08002 Barcelona, Spain 6 CIBER Epidemiología y Salud Pública (CIBERESP), 08005 Barcelona, Spain 7 Department of Economics, Business and Statistics, University of Palermo, 90128 Palermo, Italy; [email protected] 8 Environmental Epidemiology Division, Utrecht University, Institute for Risk Assessment Sciences, 3584CM Utrecht, Netherlands; [email protected] 9 Population Health and Occupational Disease, National Heart and Lung Institute, Imperial College, SW3 6LR London, UK; [email protected] (D.J.); [email protected] (A.F.S.A.) 10 Division of Genetic Epidemiology, Medical University of Innsbruck, 6020 Innsbruck, Austria; [email protected] 11 MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London, W2 1PG London, UK; [email protected] 12 Italian Institute for Genomic Medicine (IIGM), 10126 Turin, Italy * Correspondence: [email protected]; Tel.: +41-61-284-8378 Int. -
Crystal Structure of the HLA-Cw3 Allotype-Specific Killer Cell Inhibitory Receptor KIR2DL2
Proc. Natl. Acad. Sci. USA Vol. 96, pp. 3864–3869, March 1999 Immunology Crystal structure of the HLA-Cw3 allotype-specific killer cell inhibitory receptor KIR2DL2 GREG A. SNYDER*, ANDREW G. BROOKS†, AND PETER D. SUN‡§ *Department of Biochemistry, Molecular Biology, and Cell Biology, 2153 Sheridan, O. T. Hogan Hall, Room 2-100, Northwestern University, Evanston, IL 60208; †Department of Microbiology and Immunology, University of Melbourne, Royal Parade, Parkville, 3052 Victoria, Australia; and ‡Structural Biology Section, Office of the Scientific Director, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 12441 Parklawn Drive, Rockville, MD 20852 Edited by David R. Davies, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD, and approved January 19, 1999 (received for review November 11, 1998) ABSTRACT Killer cell inhibitory receptors (KIR) protect differ primarily in the transmembrane and the intracellular class I HLAs expressing target cells from natural killer (NK) regions. KIR2DL molecules are inhibitory receptors possess- cell-mediated lysis. To understand the molecular basis of this ing intracellular immunoreceptor tyrosine-based inhibitory receptor-ligand recognition, we have crystallized the extra- motifs (ITIM), whereas KIR2DS molecules appear to be cellular ligand-binding domains of KIR2DL2, a member of the noninhibitory receptors with shorter intracellular tails that Ig superfamily receptors that recognize HLA-Cw1, 3, 7, and 8 interact with an immunoreceptor tyrosine-based activation allotypes. The structure was determined in two different motif (ITAM) containing signaling component DAP12 (11). crystal forms, an orthorhombic P212121 and a trigonal P3221 KIR3D members have three Ig domains (known as D0, D1, space group, to resolutions of 3.0 and 2.9 Å, respectively.