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Open data
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Basic information
Entry | Database: PDB / ID: 3pof | ||||||
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Title | Crystal structure of MASP-1 CUB2 domain bound to Ca2+ | ||||||
![]() | Mannan-binding lectin serine protease 1 | ||||||
![]() | HYDROLASE / CUB domain / Ca2+ binding site / complement protein / lectin pathway of complement / MBL / MBP / ficolins / Bloodstream | ||||||
Function / homology | ![]() Ficolins bind to repetitive carbohydrate structures on the target cell surface / Lectin pathway of complement activation / Initial triggering of complement / complement activation, lectin pathway / complement activation / zymogen activation / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / calcium-dependent protein binding / peptidase activity / serine-type endopeptidase activity ...Ficolins bind to repetitive carbohydrate structures on the target cell surface / Lectin pathway of complement activation / Initial triggering of complement / complement activation, lectin pathway / complement activation / zymogen activation / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / calcium-dependent protein binding / peptidase activity / serine-type endopeptidase activity / calcium ion binding / protein homodimerization activity / extracellular space Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Gingras, A.R. / Moody, P.C.E. / Wallis, R. | ||||||
![]() | ![]() Title: Structural Basis of Mannan-Binding Lectin Recognition by Its Associated Serine Protease MASP-1: Implications for Complement Activation. Authors: Gingras, A.R. / Girija, U.V. / Keeble, A.H. / Panchal, R. / Mitchell, D.A. / Moody, P.C. / Wallis, R. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 122.7 KB | Display | ![]() |
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PDB format | ![]() | 95.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 456.9 KB | Display | ![]() |
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Full document | ![]() | 462.1 KB | Display | |
Data in XML | ![]() | 15 KB | Display | |
Data in CIF | ![]() | 21.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3pobC ![]() 3podC ![]() 3poeSC ![]() 3pogC ![]() 3poiC ![]() 3pojC ![]() 3ponC C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 13091.511 Da / Num. of mol.: 2 / Fragment: MASP-1 CUB2 domain (UNP Residues 188-301) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: Q8CHN8, Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases #2: Chemical | #3: Chemical | #4: Chemical | ChemComp-TRS / | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.23 Å3/Da / Density % sol: 61.88 % |
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Crystal grow | Temperature: 279 K / Method: vapor diffusion, sitting drop / pH: 8.5 Details: 1.5M lithium sulfate, 100mM tris buffer, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 279K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jul 3, 2010 |
Radiation | Monochromator: multi-layer optics / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9763 Å / Relative weight: 1 |
Reflection | Resolution: 1.5→50 Å / Num. obs: 53908 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.92 % / Rmerge(I) obs: 0.076 / Net I/σ(I): 18.5 |
Reflection shell | Resolution: 1.5→1.59 Å / Redundancy: 4.92 % / Rmerge(I) obs: 0.331 / Mean I/σ(I) obs: 4.38 / Num. unique all: 42562 / % possible all: 99.7 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 3POE Resolution: 1.501→41.01 Å / Cor.coef. Fo:Fc: 0.977 / Cor.coef. Fo:Fc free: 0.968 / SU B: 1.466 / SU ML: 0.025 / Cross valid method: THROUGHOUT / ESU R: 0.048 / ESU R Free: 0.047 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 13.404 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.501→41.01 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.501→1.54 Å / Total num. of bins used: 20
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