+ Open data
Open data
- Basic information
Basic information
| Entry | Database: PDB / ID: 1h2q | ||||||
|---|---|---|---|---|---|---|---|
| Title | Human CD55 domains 3 & 4 | ||||||
|  Components | COMPLEMENT DECAY-ACCELERATING FACTOR | ||||||
|  Keywords | IMMUNE SYSTEM PROTEIN / COMPLEMENT DECAY ACCELERATING FACTOR / ENTEROVIRAL RECEPTOR / BACTERIAL RECEPTOR / LIGAND FOR CD97 / COMPLEMENT PATHWAY / ALTERNATIVE SPLICING / GPI-ANCHOR | ||||||
| Function / homology |  Function and homology information regulation of lipopolysaccharide-mediated signaling pathway / negative regulation of complement activation / regulation of complement-dependent cytotoxicity / regulation of complement activation / respiratory burst / positive regulation of CD4-positive, alpha-beta T cell activation / positive regulation of CD4-positive, alpha-beta T cell proliferation / Class B/2 (Secretin family receptors) / ficolin-1-rich granule membrane / complement activation, classical pathway ...regulation of lipopolysaccharide-mediated signaling pathway / negative regulation of complement activation / regulation of complement-dependent cytotoxicity / regulation of complement activation / respiratory burst / positive regulation of CD4-positive, alpha-beta T cell activation / positive regulation of CD4-positive, alpha-beta T cell proliferation / Class B/2 (Secretin family receptors) / ficolin-1-rich granule membrane / complement activation, classical pathway / transport vesicle / side of membrane / COPI-mediated anterograde transport / endoplasmic reticulum-Golgi intermediate compartment membrane / secretory granule membrane / Regulation of Complement cascade / positive regulation of T cell cytokine production / positive regulation of cytosolic calcium ion concentration / virus receptor activity / membrane raft / Golgi membrane / innate immune response / lipid binding / Neutrophil degranulation / cell surface / extracellular exosome / extracellular region / plasma membrane Similarity search - Function | ||||||
| Biological species |  HOMO SAPIENS (human) | ||||||
| Method |  X-RAY DIFFRACTION /  SYNCHROTRON /  MOLECULAR REPLACEMENT / Resolution: 3 Å | ||||||
|  Authors | Williams, P. / Chaudhry, Y. / Goodfellow, I.G. / Billington, J. / Powell, R. / Spiller, O.B. / Evans, D.J. / Lea, S.M. | ||||||
|  Citation |  Journal: J.Biol.Chem. / Year: 2003 Title: Mapping Cd55 Function. The Structure of Two Pathogen-Binding Domains at 1.7 A Authors: Williams, P. / Chaudhry, Y. / Goodfellow, I.G. / Billington, J. / Powell, R. / Spiller, O.B. / Evans, D.J. / Lea, S.M. #1: Journal: Acta Crystallogr.,Sect.D / Year: 1999 Title: Crystallization and Preliminary X-Ray Diffraction Analysis of a Biologically Active Fragment of Cd55 Authors: Lea, S.M. / Powell, R. / Evans, D.J. #2: Journal: J.Biol.Chem. / Year: 1998 Title: Determination of the Affinity and Kinetic Constants for the Interaction between the Human Virus Echovirus 11 and its Cellular Receptor, Cd55 Authors: Lea, S.M. / Powell, R. / Mckee, T. / Evans, D.J. / Brown, D.J. / Stuart, D.I. / Van Der Merwe, A. | ||||||
| History | 
 | 
- Structure visualization
Structure visualization
| Structure viewer | Molecule:  Molmil  Jmol/JSmol | 
|---|
- Downloads & links
Downloads & links
- Download
Download
| PDBx/mmCIF format |  1h2q.cif.gz | 32.2 KB | Display |  PDBx/mmCIF format | 
|---|---|---|---|---|
| PDB format |  pdb1h2q.ent.gz | 20.4 KB | Display |  PDB format | 
| PDBx/mmJSON format |  1h2q.json.gz | Tree view |  PDBx/mmJSON format | |
| Others |  Other downloads | 
-Validation report
| Summary document |  1h2q_validation.pdf.gz | 369.7 KB | Display |  wwPDB validaton report | 
|---|---|---|---|---|
| Full document |  1h2q_full_validation.pdf.gz | 372.9 KB | Display | |
| Data in XML |  1h2q_validation.xml.gz | 4.1 KB | Display | |
| Data in CIF |  1h2q_validation.cif.gz | 5.7 KB | Display | |
| Arichive directory |  https://data.pdbj.org/pub/pdb/validation_reports/h2/1h2q  ftp://data.pdbj.org/pub/pdb/validation_reports/h2/1h2q | HTTPS FTP | 
-Related structure data
| Related structure data |  1h03SC  1h04C  1h2pC  1uotC S: Starting model for refinement C: citing same article ( | 
|---|---|
| Similar structure data | 
- Links
Links
- Assembly
Assembly
| Deposited unit |  
 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 
 | ||||||||
| Unit cell | 
 | 
- Components
Components
| #1: Protein | Mass: 13586.049 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR SCR DOMAINS 3 & 4, RESIDUES 161-285 Source method: isolated from a genetically manipulated source Source: (gene. exp.)  HOMO SAPIENS (human) / Production host:  PICHIA PASTORIS (fungus) / References: UniProt: P08174 | 
|---|---|
| Compound details | RECOGNIZES C4B AND C3B FRAGMENTS GENERATED DURING C4 AND C3 ACTIVATION. PART OF THE COMPLEMENT  ...RECOGNIZES | 
| Has protein modification | Y | 
-Experimental details
-Experiment
| Experiment | Method:  X-RAY DIFFRACTION / Number of used crystals: 1 | 
|---|
- Sample preparation
Sample preparation
| Crystal | Density Matthews: 2.26 Å3/Da / Density % sol: 45.64 % | 
|---|---|
| Crystal grow | pH: 4.5 / Details: pH 4.50 | 
-Data collection
| Diffraction | Mean temperature: 100 K | 
|---|---|
| Diffraction source | Source:  SYNCHROTRON / Site:  SRS  / Beamline: PX9.6 / Wavelength: 0.96 | 
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE | 
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | 
| Radiation wavelength | Wavelength: 0.96 Å / Relative weight: 1 | 
| Reflection | Resolution: 3→40 Å / Num. obs: 2432 / % possible obs: 88 % / Redundancy: 4.5 % / Biso Wilson estimate: 37 Å2 / Rmerge(I) obs: 0.12 / Net I/σ(I): 2.3 | 
| Reflection shell | Resolution: 3→3.1 Å / Rmerge(I) obs: 0.28 / Mean I/σ(I) obs: 1 / % possible all: 82 | 
- Processing
Processing
| Software | 
 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Refinement | Method to determine structure:  MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1H03 Resolution: 3→40 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Details: ATOMIC B'S NOT REFINED - FIXED TO WILSON VALUE 
 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 37 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 3→40 Å 
 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | 
 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Xplor file | 
 | 
 Movie
Movie Controller
Controller






















 PDBj
PDBj




