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- PDB-2ork: crystal structure of the trimeric neck and carbohydrate recogniti... -

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Basic information

Entry
Database: PDB / ID: 2ork
Titlecrystal structure of the trimeric neck and carbohydrate recognition domain of human surfactant protein D in complex with inositol-1-phosphate
ComponentsPulmonary surfactant-associated protein D
KeywordsSUGAR BINDING PROTEIN / Surfactant protein / Carbohydrate recognition domain / trimeric
Function / homology
Function and homology information


Toll Like Receptor TLR1:TLR2 Cascade / Defective CSF2RB causes SMDP5 / Defective CSF2RA causes SMDP4 / extracellular matrix structural constituent conferring tensile strength / Toll Like Receptor 4 (TLR4) Cascade / clathrin-coated endocytic vesicle / Regulation of TLR by endogenous ligand / respiratory gaseous exchange by respiratory system / Surfactant metabolism / collagen trimer ...Toll Like Receptor TLR1:TLR2 Cascade / Defective CSF2RB causes SMDP5 / Defective CSF2RA causes SMDP4 / extracellular matrix structural constituent conferring tensile strength / Toll Like Receptor 4 (TLR4) Cascade / clathrin-coated endocytic vesicle / Regulation of TLR by endogenous ligand / respiratory gaseous exchange by respiratory system / Surfactant metabolism / collagen trimer / surfactant homeostasis / Signal regulatory protein family interactions / negative regulation of interleukin-2 production / lung alveolus development / macrophage chemotaxis / endocytic vesicle / negative regulation of T cell proliferation / positive regulation of phagocytosis / regulation of cytokine production / multivesicular body / reactive oxygen species metabolic process / extracellular matrix organization / receptor-mediated endocytosis / SARS-CoV-1 activates/modulates innate immune responses / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / carbohydrate binding / collagen-containing extracellular matrix / lysosome / defense response to bacterium / innate immune response / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / extracellular space / extracellular region / identical protein binding
Similarity search - Function
Lung surfactant protein D coiled-coil trimerisation / Lung surfactant protein D coiled-coil trimerisation / 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 ...Lung surfactant protein D coiled-coil trimerisation / Lung surfactant protein D coiled-coil trimerisation / 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
D-MYO-INOSITOL-1-PHOSPHATE / Pulmonary surfactant-associated protein D
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.89 Å
AuthorsHead, J.F.
CitationJournal: Biochemistry / Year: 2007
Title: Critical Role of Arg/Lys343 in the Species-Dependent Recognition of Phosphatidylinositol by Pulmonary Surfactant Protein D.
Authors: Crouch, E. / McDonald, B. / Smith, K. / Roberts, M. / Mealy, T. / Seaton, B. / Head, J.
History
DepositionFeb 2, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 8, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Aug 30, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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.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.value / _struct_conn.pdbx_dist_value / _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.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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Pulmonary surfactant-associated protein D
B: Pulmonary surfactant-associated protein D
C: Pulmonary surfactant-associated protein D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)52,69414
Polymers51,8173
Non-polymers87711
Water9,314517
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7430 Å2
ΔGint-159 kcal/mol
Surface area20780 Å2
MethodPISA
Unit cell
Length a, b, c (Å)55.403, 108.010, 55.701
Angle α, β, γ (deg.)90.00, 91.83, 90.00
Int Tables number4
Space group name H-MP1211
DetailsThe single trimer of head and neck domains present in the asymmetric unit is the functional unit.

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Components

#1: Protein Pulmonary surfactant-associated protein D / SP-D / PSP-D / Lung surfactant protein D


Mass: 17272.209 Da / Num. of mol.: 3 / Fragment: head and neck domain
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SFTPD, PSPD, SFTP4 / Production host: Escherichia coli (E. coli) / Strain (production host): Rosettablue / References: UniProt: P35247
#2: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-IPD / D-MYO-INOSITOL-1-PHOSPHATE


Mass: 258.120 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H11O9P
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 517 / Source method: isolated from a natural source / Formula: H2O

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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: 61.72 %
Crystal growTemperature: 290 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 150mM NaCl, 10mM CaCl2, 12% PEG 8000, 100mM HEPES , pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X8C / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Jul 29, 2006
RadiationMonochromator: Si 111 double crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.9→38.66 Å / Num. all: 51917 / Num. obs: 48123 / % possible obs: 92.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.8 % / Rmerge(I) obs: 0.038 / Rsym value: 0.038 / Net I/σ(I): 46.2
Reflection shellResolution: 1.9→1.97 Å / Redundancy: 2 % / Rmerge(I) obs: 0.067 / Mean I/σ(I) obs: 17 / Num. unique all: 3737 / Rsym value: 0.067 / % possible all: 72.6

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
CNSphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB entry 2GGU
Resolution: 1.89→38.66 Å / Cor.coef. Fo:Fc: 0.931 / Cor.coef. Fo:Fc free: 0.897 / SU B: 2.402 / SU ML: 0.074 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.141 / ESU R Free: 0.136 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22611 3900 8.1 %RANDOM
Rwork0.18642 ---
all0.18964 47776 --
obs0.18964 44155 92.42 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 21.249 Å2
Baniso -1Baniso -2Baniso -3
1-0.07 Å20 Å20.32 Å2
2--0.15 Å20 Å2
3----0.19 Å2
Refinement stepCycle: LAST / Resolution: 1.89→38.66 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3457 0 41 517 4015
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0223561
X-RAY DIFFRACTIONr_angle_refined_deg1.2471.9584825
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4775449
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.57925.965171
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.86215585
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.8891512
X-RAY DIFFRACTIONr_chiral_restr0.0810.2524
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.022735
X-RAY DIFFRACTIONr_nbd_refined0.2050.21723
X-RAY DIFFRACTIONr_nbtor_refined0.30.22459
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1420.2431
X-RAY DIFFRACTIONr_metal_ion_refined0.1640.217
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1990.238
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1650.223
X-RAY DIFFRACTIONr_mcbond_it1.0821.52301
X-RAY DIFFRACTIONr_mcangle_it1.38523563
X-RAY DIFFRACTIONr_scbond_it2.28431423
X-RAY DIFFRACTIONr_scangle_it3.6594.51262
LS refinement shellResolution: 1.9→1.94 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.238 182 -
Rwork0.195 2361 -
obs-2543 66.61 %

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