Entry Database : PDB / ID : 4q6i Structure visualization Downloads & linksTitle Crystal structure of murine 2D5 Fab, a potent anti-CD4 HIV-1-neutralizing antibody in complex with CD4 ComponentsHeavy chain of murine 2D5 Fab Light chain of murine 2D5 Fab T-cell surface glycoprotein CD4 DetailsKeywords IMMUNE SYSTEM / Ig fold / Antibody / anti-CD4 / HIV-1 neutralization / CD4Function / homology Function and homology informationFunction Domain/homology Component
helper T cell enhancement of adaptive immune response / interleukin-16 binding / interleukin-16 receptor activity / maintenance of protein location in cell / T cell selection / MHC class II protein binding / interleukin-15-mediated signaling pathway / cellular response to granulocyte macrophage colony-stimulating factor stimulus / positive regulation of kinase activity / positive regulation of monocyte differentiation ... helper T cell enhancement of adaptive immune response / interleukin-16 binding / interleukin-16 receptor activity / maintenance of protein location in cell / T cell selection / MHC class II protein binding / interleukin-15-mediated signaling pathway / cellular response to granulocyte macrophage colony-stimulating factor stimulus / positive regulation of kinase activity / positive regulation of monocyte differentiation / Nef Mediated CD4 Down-regulation / Alpha-defensins / regulation of T cell activation / extracellular matrix structural constituent / T cell receptor complex / Other interleukin signaling / enzyme-linked receptor protein signaling pathway / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / regulation of calcium ion transport / macrophage differentiation / Generation of second messenger molecules / T cell differentiation / PD-1 signaling / positive regulation of protein kinase activity / Binding and entry of HIV virion / coreceptor activity / cell surface receptor protein tyrosine kinase signaling pathway / positive regulation of interleukin-2 production / positive regulation of calcium-mediated signaling / protein tyrosine kinase binding / T cell activation / Vpu mediated degradation of CD4 / calcium-mediated signaling / clathrin-coated endocytic vesicle membrane / positive regulation of peptidyl-tyrosine phosphorylation / positive regulation of T cell activation / transmembrane signaling receptor activity / Downstream TCR signaling / Cargo recognition for clathrin-mediated endocytosis / MHC class II protein complex binding / Clathrin-mediated endocytosis / signaling receptor activity / virus receptor activity / defense response to Gram-negative bacterium / positive regulation of canonical NF-kappaB signal transduction / adaptive immune response / positive regulation of MAPK cascade / positive regulation of ERK1 and ERK2 cascade / positive regulation of viral entry into host cell / early endosome / cell surface receptor signaling pathway / cell adhesion / immune response / positive regulation of protein phosphorylation / membrane raft / endoplasmic reticulum lumen / external side of plasma membrane / lipid binding / endoplasmic reticulum membrane / protein kinase binding / positive regulation of DNA-templated transcription / enzyme binding / signal transduction / protein homodimerization activity / zinc ion binding / identical protein binding / plasma membrane Similarity search - Function CD4, extracellular / T cell CD4 receptor C-terminal region / CD4, extracellular / T cell CD4 receptor C terminal region / T-cell surface antigen CD4 / Immunoglobulin C2-set / Immunoglobulin C2-set domain / Immunoglobulin / Immunoglobulin domain / Immunoglobulin subtype 2 ... CD4, extracellular / T cell CD4 receptor C-terminal region / CD4, extracellular / T cell CD4 receptor C terminal region / T-cell surface antigen CD4 / Immunoglobulin C2-set / Immunoglobulin C2-set domain / Immunoglobulin / Immunoglobulin domain / Immunoglobulin subtype 2 / Immunoglobulin C-2 Type / Immunoglobulin V-Type / Immunoglobulin V-set domain / Immunoglobulin subtype / Immunoglobulin / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulins / Immunoglobulin-like fold / Immunoglobulin-like / Sandwich / Mainly Beta Similarity search - Domain/homologyBiological species Homo sapiens (human)Mus musculus (house mouse)Method X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution : 3.65 Å DetailsAuthors Boyington, J.C. / Nabel, G.J. / Mascola, J.R. CitationJournal : Sci Transl Med / Year : 2014Title : Neutralizing antibodies to HIV-1 envelope protect more effectively in vivo than those to the CD4 receptor.Authors: Pegu, A. / Yang, Z.Y. / Boyington, J.C. / Wu, L. / Ko, S.Y. / Schmidt, S.D. / McKee, K. / Kong, W.P. / Shi, W. / Chen, X. / Todd, J.P. / Letvin, N.L. / Huang, J. / Nason, M.C. / Hoxie, J.A. ... Authors : Pegu, A. / Yang, Z.Y. / Boyington, J.C. / Wu, L. / Ko, S.Y. / Schmidt, S.D. / McKee, K. / Kong, W.P. / Shi, W. / Chen, X. / Todd, J.P. / Letvin, N.L. / Huang, J. / Nason, M.C. / Hoxie, J.A. / Kwong, P.D. / Connors, M. / Rao, S.S. / Mascola, J.R. / Nabel, G.J. History Deposition Apr 22, 2014 Deposition site : RCSB / Processing site : RCSBRevision 1.0 Jul 23, 2014 Provider : repository / Type : Initial releaseRevision 1.1 Nov 6, 2024 Group : Data collection / Database references / Structure summaryCategory : chem_comp_atom / chem_comp_bond ... chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature Item : _database_2.pdbx_DOI / _database_2.pdbx_database_accession
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