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- PDB-1cdi: STRUCTURES OF AN HIV AND MHC BINDING FRAGMENT FROM HUMAN CD4 AS R... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1cdi | ||||||
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Title | STRUCTURES OF AN HIV AND MHC BINDING FRAGMENT FROM HUMAN CD4 AS REFINED IN TWO CRYSTAL LATTICES | ||||||
![]() | T CELL SURFACE GLYCOPROTEIN CD4 | ||||||
![]() | T-CELL SURFACE GLYCOPROTEIN | ||||||
Function / homology | ![]() 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 / cellular response to granulocyte macrophage colony-stimulating factor stimulus / interleukin-15-mediated signaling pathway / 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 / cellular response to granulocyte macrophage colony-stimulating factor stimulus / interleukin-15-mediated signaling pathway / 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 / Co-inhibition by PD-1 / positive regulation of protein kinase activity / Binding and entry of HIV virion / coreceptor activity / positive regulation of interleukin-2 production / positive regulation of calcium-mediated signaling / protein tyrosine kinase binding / T cell activation / Vpu mediated degradation of CD4 / clathrin-coated endocytic vesicle membrane / calcium-mediated signaling / positive regulation of T cell activation / cell surface receptor protein tyrosine kinase signaling pathway / positive regulation of peptidyl-tyrosine phosphorylation / transmembrane signaling receptor activity / MHC class II protein complex binding / Downstream TCR signaling / Cargo recognition for clathrin-mediated endocytosis / signaling receptor activity / Clathrin-mediated endocytosis / 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 protein phosphorylation / early endosome / positive regulation of viral entry into host cell / cell surface receptor signaling pathway / cell adhesion / immune response / 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 | ||||||
Biological species | ![]() | ||||||
Method | ![]() | ||||||
![]() | Ryu, S.E. / Truneh, A. / Sweet, R.W. / Hendrickson, W.A. | ||||||
![]() | ![]() Title: Structures of an HIV and MHC binding fragment from human CD4 as refined in two crystal lattices. Authors: Ryu, S.E. / Truneh, A. / Sweet, R.W. / Hendrickson, W.A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 44.8 KB | Display | ![]() |
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PDB format | ![]() | 32.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 364.2 KB | Display | ![]() |
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Full document | ![]() | 380.1 KB | Display | |
Data in XML | ![]() | 7.3 KB | Display | |
Data in CIF | ![]() | 9.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components
#1: Antibody | Mass: 19826.518 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.49 Å3/Da / Density % sol: 50.57 % | ||||||||||||||||||||
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Crystal grow | *PLUS Temperature: 20 ℃ / pH: 7 / Method: vapor diffusion, hanging dropDetails: referred to 'Ryu, S.-E.', (1990) Nature, 348, 419-426 | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Radiation | Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
Reflection | *PLUS Highest resolution: 2.9 Å / Lowest resolution: 10 Å / Num. obs: 3999 / % possible obs: 91 % / Rmerge(I) obs: 0.089 |
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Processing
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Refinement | Resolution: 2.9→10 Å / σ(F): 4 /
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Refinement step | Cycle: LAST / Resolution: 2.9→10 Å
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Refine LS restraints |
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Software | *PLUS Name: PROLSQ / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.9 Å / Lowest resolution: 10 Å / Num. reflection obs: 3235 / σ(F): 4 / Rfactor obs: 0.183 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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