+Open data
-Basic information
Entry | Database: PDB / ID: 4aqb | |||||||||
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Title | MBL-Ficolin Associated Protein-1, MAP-1 aka MAP44 | |||||||||
Components | MANNAN-BINDING LECTIN SERINE PROTEASE 1 | |||||||||
Keywords | BLOOD CLOTTING / MANNAN-BINDING PROTEIN / COMPLEMENT / FICOLINS / LECTIN COMPLEMENT PATHWAY / MANNOSE- BINDING LECTIN / MBL/FICOLIN ASSOCIATED PROTEIN-1 / MBL/FICOLIN ASSOCIATED SERINE PROTEASES / MAP1 / MAP44 | |||||||||
Function / homology | Function and homology information Ficolins bind to repetitive carbohydrate structures on the target cell surface / Lectin pathway of complement activation / negative regulation of complement activation / complement activation, lectin pathway / zymogen activation / Scavenging by Class A Receptors / Initial triggering of complement / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / calcium-dependent protein binding / peptidase activity ...Ficolins bind to repetitive carbohydrate structures on the target cell surface / Lectin pathway of complement activation / negative regulation of complement activation / complement activation, lectin pathway / zymogen activation / Scavenging by Class A Receptors / Initial triggering of complement / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / calcium-dependent protein binding / peptidase activity / serine-type endopeptidase activity / calcium ion binding / SARS-CoV-2 activates/modulates innate and adaptive immune responses / protein homodimerization activity / extracellular space / extracellular region / nucleoplasm / identical protein binding / cytosol Similarity search - Function | |||||||||
Biological species | HOMO SAPIENS (human) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 4.2 Å | |||||||||
Authors | Skjoedt, M.O. / Roversi, P. / Hummelshoj, T. / Palarasah, Y. / Johnson, S. / Lea, S.M. / Garred, P. | |||||||||
Citation | Journal: J.Biol.Chem. / Year: 2012 Title: Crystal Structure and Functional Characterization of the Complement Regulator Mannose-Binding Lectin (Mbl)/Ficolin-Associated Protein-1 (Map-1). Authors: Skjoedt, M.O. / Roversi, P. / Hummelshoj, T. / Palarasah, Y. / Rosbjerg, A. / Johnson, S. / Lea, S.M. / Garred, P. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4aqb.cif.gz | 166.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4aqb.ent.gz | 132.2 KB | Display | PDB format |
PDBx/mmJSON format | 4aqb.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4aqb_validation.pdf.gz | 902.8 KB | Display | wwPDB validaton report |
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Full document | 4aqb_full_validation.pdf.gz | 906.1 KB | Display | |
Data in XML | 4aqb_validation.xml.gz | 9.8 KB | Display | |
Data in CIF | 4aqb_validation.cif.gz | 13.8 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/aq/4aqb ftp://data.pdbj.org/pub/pdb/validation_reports/aq/4aqb | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 41460.918 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) HOMO SAPIENS (human) / Tissue: PLASMA / Cell line (production host): CHO DG44 / Production host: CRICETULUS GRISEUS (Chinese hamster) / References: UniProt: P48740 | ||||||
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#2: Polysaccharide | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source | ||||||
#3: Polysaccharide | alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source | ||||||
#4: Chemical | ChemComp-CA / #5: Water | ChemComp-HOH / | Has protein modification | Y | Sequence details | NO SIGNAL PEPTIDE RESIDUES 1-19 ISOFORM 3 OF MASP-1, AKA MAP-1, AKA MAP44 | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 6.51 Å3/Da / Density % sol: 81.1 % Description: DATA ANISOTROPICALLY TRUNCATED AND B-SHARPENED WITH A B=-5.85 AT THE UCLA SERVER HTTP SERVICES.MBI.UCLA.EDU ANISOSCALE ANISOSCALE_XDS |
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Crystal grow | pH: 6.5 Details: 0.2 M CALCIUM ACETATE, 0.1 M SODIUM CACODYLATE PH 6.5, 40% W/V PEG 400 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID14-4 / Wavelength: 0.9793 |
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Apr 11, 2011 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9793 Å / Relative weight: 1 |
Reflection | Resolution: 4.2→58.4 Å / Num. obs: 7844 / % possible obs: 93.5 % / Observed criterion σ(I): 0 / Redundancy: 3.64 % / Biso Wilson estimate: 129.96 Å2 / Rmerge(I) obs: 0.28 / Net I/σ(I): 8.7 |
Reflection shell | Resolution: 4.2→4.36 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.56 / Mean I/σ(I) obs: 2.8 / % possible all: 95.2 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRIES 3DEM AND 3GOV Resolution: 4.2→58.36 Å / Cor.coef. Fo:Fc: 0.8191 / Cor.coef. Fo:Fc free: 0.8216 / Cross valid method: THROUGHOUT / σ(F): 0 / SU Rfree Blow DPI: 0.797 Details: TLS REFINEMENT AND SECONDARY INITIAL COORDINATES FROM MOLECULAR REPLACEMENT. SECONDARY STRUCTURE RESTRAINTS TO THE INITIAL COORDINATES FROM MOLECULAR REPLACEMENT.
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Displacement parameters | Biso mean: 145.51 Å2
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Refine analyze | Luzzati coordinate error obs: 1.502 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 4.2→58.36 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 4.2→4.7 Å / Total num. of bins used: 5
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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