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- PDB-8t5m: SOS2 crystal structure with fragment bound (compound 14) -

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Basic information

Entry
Database: PDB / ID: 8t5m
TitleSOS2 crystal structure with fragment bound (compound 14)
ComponentsSon of sevenless homolog 2
KeywordsSIGNALING PROTEIN
Function / homology
Function and homology information


Interleukin-15 signaling / Activation of RAC1 / NRAGE signals death through JNK / RAC1 GTPase cycle / guanyl-nucleotide exchange factor activity / insulin receptor signaling pathway / G alpha (12/13) signalling events / Ras protein signal transduction / protein heterodimerization activity / plasma membrane / cytosol
Similarity search - Function
Ras guanine-nucleotide exchange factor, conserved site / Ras Guanine-nucleotide exchange factors domain signature. / RasGEF N-terminal motif / Guanine nucleotide exchange factor for Ras-like GTPases; N-terminal motif / Ras-like guanine nucleotide exchange factor, N-terminal / Ras-like guanine nucleotide exchange factor / Ras guanine-nucleotide exchange factors N-terminal domain profile. / Ras guanine nucleotide exchange factor domain superfamily / Ras guanine-nucleotide exchange factor, catalytic domain superfamily / RasGEF domain ...Ras guanine-nucleotide exchange factor, conserved site / Ras Guanine-nucleotide exchange factors domain signature. / RasGEF N-terminal motif / Guanine nucleotide exchange factor for Ras-like GTPases; N-terminal motif / Ras-like guanine nucleotide exchange factor, N-terminal / Ras-like guanine nucleotide exchange factor / Ras guanine-nucleotide exchange factors N-terminal domain profile. / Ras guanine nucleotide exchange factor domain superfamily / Ras guanine-nucleotide exchange factor, catalytic domain superfamily / RasGEF domain / Ras guanine-nucleotide exchange factors catalytic domain profile. / Guanine nucleotide exchange factor for Ras-like small GTPases / Ras guanine-nucleotide exchange factors catalytic domain / : / SOS1/NGEF-like PH domain / Dbl homology (DH) domain superfamily / RhoGEF domain / Guanine nucleotide exchange factor for Rho/Rac/Cdc42-like GTPases / Dbl homology (DH) domain / Dbl homology (DH) domain profile. / PH domain profile. / Pleckstrin homology domain. / Pleckstrin homology domain / Histone-fold / PH-like domain superfamily
Similarity search - Domain/homology
Chem-YIF / Son of sevenless homolog 2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.79 Å
AuthorsGunn, R.J. / Lawson, J.D. / Ivetac, A. / Ulaganathan, T. / Coulombe, R. / Fethiere, J.
Funding support United States, 1items
OrganizationGrant numberCountry
Other private United States
CitationJournal: J.Med.Chem. / Year: 2024
Title: Discovery of Five SOS2 Fragment Hits with Binding Modes Determined by SOS2 X-Ray Cocrystallography.
Authors: Smith, C.R. / Chen, D. / Christensen, J.G. / Coulombe, R. / Fethiere, J. / Gunn, R.J. / Hollander, J. / Jones, B. / Ketcham, J.M. / Khare, S. / Kuehler, J. / Lawson, J.D. / Marx, M.A. / ...Authors: Smith, C.R. / Chen, D. / Christensen, J.G. / Coulombe, R. / Fethiere, J. / Gunn, R.J. / Hollander, J. / Jones, B. / Ketcham, J.M. / Khare, S. / Kuehler, J. / Lawson, J.D. / Marx, M.A. / Olson, P. / Pearson, K.E. / Ren, C. / Tsagris, D. / Ulaganathan, T. / Van't Veer, I. / Wang, X. / Ivetac, A.
History
DepositionJun 14, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 10, 2024Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2024Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year / _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Son of sevenless homolog 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)58,1668
Polymers57,3711
Non-polymers7967
Water3,783210
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)46.471, 52.165, 60.998
Angle α, β, γ (deg.)85.05, 75.37, 76.21
Int Tables number1
Space group name H-MP1

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Components

#1: Protein Son of sevenless homolog 2 / SOS-2


Mass: 57370.676 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SOS2 / Production host: Escherichia coli (E. coli) / References: UniProt: Q07890
#2: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-YIF / 4-[(1R,2S)-1-hydroxy-2-{[2-(4-hydroxyphenyl)ethyl]amino}propyl]phenol


Mass: 287.354 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H21NO3 / Feature type: SUBJECT OF INVESTIGATION
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 210 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.56 Å3/Da / Density % sol: 52.01 %
Crystal growTemperature: 281.15 K / Method: vapor diffusion, hanging drop / Details: 10% PEG 3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: CLSI / Beamline: 08ID-1 / Wavelength: 1.0332 Å
DetectorType: DECTRIS EIGER X 9M / Detector: PIXEL / Date: Mar 21, 2022
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.0332 Å / Relative weight: 1
ReflectionResolution: 1.79→43.82 Å / Num. obs: 46269 / % possible obs: 91.2 % / Redundancy: 3.5 % / CC1/2: 0.99 / Net I/σ(I): 10.09
Reflection shellResolution: 1.79→1.84 Å / Num. unique obs: 2035 / CC1/2: 0.32

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Processing

Software
NameVersionClassification
REFMAC5.8.0258refinement
XDSdata reduction
XSCALEdata scaling
Cootmodel building
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.79→43.82 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.945 / SU B: 4.372 / SU ML: 0.125 / Cross valid method: THROUGHOUT / ESU R: 0.138 / ESU R Free: 0.131 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22792 2225 4.8 %RANDOM
Rwork0.19003 ---
obs0.19187 44042 91.28 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 36.392 Å2
Baniso -1Baniso -2Baniso -3
1-0.87 Å2-0.13 Å2-0.15 Å2
2---0.06 Å2-1.39 Å2
3----0.75 Å2
Refinement stepCycle: 1 / Resolution: 1.79→43.82 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3847 0 49 210 4106
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0134000
X-RAY DIFFRACTIONr_bond_other_d0.0010.0173772
X-RAY DIFFRACTIONr_angle_refined_deg1.4581.6555409
X-RAY DIFFRACTIONr_angle_other_deg1.3191.5738764
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.1675466
X-RAY DIFFRACTIONr_dihedral_angle_2_deg30.16421.496234
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.18115733
X-RAY DIFFRACTIONr_dihedral_angle_4_deg15.8211535
X-RAY DIFFRACTIONr_chiral_restr0.0780.2511
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.024356
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02869
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.8883.5451855
X-RAY DIFFRACTIONr_mcbond_other2.863.5441854
X-RAY DIFFRACTIONr_mcangle_it4.0465.292315
X-RAY DIFFRACTIONr_mcangle_other4.0455.2922316
X-RAY DIFFRACTIONr_scbond_it3.7974.0672145
X-RAY DIFFRACTIONr_scbond_other3.7964.0682146
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other5.8425.9023092
X-RAY DIFFRACTIONr_long_range_B_refined7.62742.1954615
X-RAY DIFFRACTIONr_long_range_B_other7.62642.1974616
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.79→1.836 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.33 93 -
Rwork0.344 1939 -
obs--54.93 %

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