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- PDB-1kwu: Rat mannose binding protein A complexed with a-Me-Man -

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Basic information

Entry
Database: PDB / ID: 1kwu
TitleRat mannose binding protein A complexed with a-Me-Man
ComponentsMANNOSE-BINDING PROTEIN A
KeywordsIMMUNE SYSTEM / SUGAR BINDING PROTEIN / LECTIN / C-TYPE LECTIN / CALCIUM-BINDING PROTEIN
Function / homology
Function and homology information


calcium-dependent carbohydrate binding / complement activation, lectin pathway / oligosaccharide binding / killing by host of symbiont cells / collagen trimer / surfactant homeostasis / phosphatidylinositol-4-phosphate binding / protein homotrimerization / D-mannose binding / polysaccharide binding ...calcium-dependent carbohydrate binding / complement activation, lectin pathway / oligosaccharide binding / killing by host of symbiont cells / collagen trimer / surfactant homeostasis / phosphatidylinositol-4-phosphate binding / protein homotrimerization / D-mannose binding / polysaccharide binding / complement activation, classical pathway / multivesicular body / positive regulation of phagocytosis / calcium-dependent protein binding / protease binding / defense response to Gram-positive bacterium / calcium ion binding / protein homodimerization activity / extracellular space / identical protein binding
Similarity search - Function
Collectin, C-type lectin-like domain / : / Collagen triple helix repeat / Collagen triple helix repeat (20 copies) / C-type lectin, conserved site / C-type lectin domain signature. / Mannose-Binding Protein A; Chain A / Mannose-Binding Protein A, subunit A / Lectin C-type domain / C-type lectin domain profile. ...Collectin, C-type lectin-like domain / : / Collagen triple helix repeat / Collagen triple helix repeat (20 copies) / C-type lectin, conserved site / C-type lectin domain signature. / Mannose-Binding Protein A; Chain A / Mannose-Binding Protein A, subunit A / Lectin C-type domain / C-type lectin domain profile. / C-type lectin-like / C-type lectin (CTL) or carbohydrate-recognition domain (CRD) / C-type lectin-like/link domain superfamily / C-type lectin fold / Roll / Alpha Beta
Similarity search - Domain/homology
methyl alpha-D-mannopyranoside / Mannose-binding protein A
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsNg, K.K. / Kolatkar, A.R. / Park-Snyder, S. / Feinberg, H. / Clark, D.A. / Drickamer, K. / Weis, W.I.
CitationJournal: J.Biol.Chem. / Year: 2002
Title: Orientation of bound ligands in mannose-binding proteins. Implications for multivalent ligand recognition.
Authors: Ng, K.K. / Kolatkar, A.R. / Park-Snyder, S. / Feinberg, H. / Clark, D.A. / Drickamer, K. / Weis, W.I.
History
DepositionJan 30, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 5, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 29, 2020Group: Data collection / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.mon_nstd_flag / _chem_comp.name ..._chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr1_symmetry / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_conn.ptnr2_symmetry
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.4Oct 30, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: MANNOSE-BINDING PROTEIN A
B: MANNOSE-BINDING PROTEIN A
C: MANNOSE-BINDING PROTEIN A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)50,52619
Polymers49,4363
Non-polymers1,09016
Water7,530418
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8300 Å2
ΔGint-196 kcal/mol
Surface area21940 Å2
MethodPISA
Unit cell
Length a, b, c (Å)78.89, 85.37, 98.27
Angle α, β, γ (deg.)90.00, 106.3, 90.00
Int Tables number5
Cell settingmonoclinic
Space group name H-MC121

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Components

#1: Protein MANNOSE-BINDING PROTEIN A / MBP-A / MANNAN-BINDING PROTEIN


Mass: 16478.674 Da / Num. of mol.: 3 / Fragment: residues 90-238 of P19999
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: MBL1 / Production host: Escherichia coli (E. coli) / References: UniProt: P19999
#2: Sugar ChemComp-MMA / methyl alpha-D-mannopyranoside / O1-METHYL-MANNOSE / methyl alpha-D-mannoside / methyl D-mannoside / methyl mannoside


Type: D-saccharide / Mass: 194.182 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Formula: C7H14O6
IdentifierTypeProgram
DManp[1Me]aCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
1-methyl-a-D-mannopyranoseCOMMON NAMEGMML 1.0
o1-methyl-mannoseIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
#3: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 418 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.21 Å3/Da / Density % sol: 61.7 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 8-13% PEG 8000 or 3500, 100mM Tris-Cl pH=8.0, 10mM NaCl, 20mM Cacl2, 2mM NaN3. Protein solution: 12mg/ml in 10 mM NaCl, 10mM CaCl2. VAPOR DIFFUSION, HANGING DROP at 298K
Crystal grow
*PLUS
Temperature: 20-22 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
112 mg/mlprotein1drop
210 mM1dropNaCl
38-13 %PEG33501reservoiror PEG8000
4100 mMTris-Cl1reservoirpH8.0
510 mM1reservoirNaCl
620 mM1reservoirCaCl2
72 mM1reservoirNaN3

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Aug 26, 1995
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.95→30 Å / Num. obs: 43124 / % possible obs: 94.1 % / Observed criterion σ(I): -3 / Rsym value: 0.039
Reflection shellResolution: 1.95→2.01 Å / Rmerge(I) obs: 0.257 / % possible all: 88.9
Reflection
*PLUS
Redundancy: 1.9 % / Rmerge(I) obs: 0.039
Reflection shell
*PLUS
% possible obs: 88.9 % / Redundancy: 1.8 %

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.95→30 Å / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.241 4399 10.2 %random
Rwork0.207 ---
all-42969 --
obs-42969 --
Refinement stepCycle: LAST / Resolution: 1.95→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3472 0 52 418 3942
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_angle_d1.4
X-RAY DIFFRACTIONc_angle_deg1.4
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_deg1.3

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