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- PDB-1xd2: Crystal Structure of a ternary Ras:SOS:Ras*GDP complex -

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Basic information

Entry
Database: PDB / ID: 1xd2
TitleCrystal Structure of a ternary Ras:SOS:Ras*GDP complex
Components
  • (Transforming protein p21/H-Ras- ...) x 2
  • Son of sevenless protein homolog 1
KeywordsSIGNALING PROTEIN / Ras:SOS complex / Ras-nucleotide exchange factor complex
Function / homology
Function and homology information


midbrain morphogenesis / regulation of pro-B cell differentiation / vitellogenesis / pericardium morphogenesis / cardiac atrium morphogenesis / heart trabecula morphogenesis / phospholipase C activator activity / regulation of T cell differentiation in thymus / GTPase complex / Interleukin-15 signaling ...midbrain morphogenesis / regulation of pro-B cell differentiation / vitellogenesis / pericardium morphogenesis / cardiac atrium morphogenesis / heart trabecula morphogenesis / phospholipase C activator activity / regulation of T cell differentiation in thymus / GTPase complex / Interleukin-15 signaling / positive regulation of ruffle assembly / oncogene-induced cell senescence / Activation of RAC1 / positive regulation of small GTPase mediated signal transduction / Signaling by LTK / negative regulation of GTPase activity / blood vessel morphogenesis / positive regulation of miRNA metabolic process / epidermal growth factor receptor binding / positive regulation of epidermal growth factor receptor signaling pathway / Regulation of KIT signaling / T-helper 1 type immune response / leukocyte migration / positive regulation of wound healing / regulation of neurotransmitter receptor localization to postsynaptic specialization membrane / NRAGE signals death through JNK / defense response to protozoan / eyelid development in camera-type eye / Fc-epsilon receptor signaling pathway / roof of mouth development / neurotrophin TRK receptor signaling pathway / GRB2:SOS provides linkage to MAPK signaling for Integrins / Signaling by RAS GAP mutants / Signaling by RAS GTPase mutants / Activation of RAS in B cells / B cell homeostasis / regulation of T cell proliferation / RAS signaling downstream of NF1 loss-of-function variants / RET signaling / SOS-mediated signalling / Activated NTRK3 signals through RAS / positive regulation of protein targeting to membrane / Activated NTRK2 signals through RAS / SHC1 events in ERBB4 signaling / hair follicle development / fibroblast growth factor receptor signaling pathway / Role of LAT2/NTAL/LAB on calcium mobilization / Signalling to RAS / Interleukin receptor SHC signaling / adipose tissue development / Signal attenuation / Activated NTRK2 signals through FRS2 and FRS3 / SHC-related events triggered by IGF1R / Estrogen-stimulated signaling through PRKCZ / SHC-mediated cascade:FGFR3 / MET activates RAS signaling / Schwann cell development / SHC-mediated cascade:FGFR2 / Signaling by PDGFRA transmembrane, juxtamembrane and kinase domain mutants / Signaling by PDGFRA extracellular domain mutants / PTK6 Regulates RHO GTPases, RAS GTPase and MAP kinases / SHC-mediated cascade:FGFR4 / Signaling by FGFR4 in disease / Erythropoietin activates RAS / SHC-mediated cascade:FGFR1 / FRS-mediated FGFR3 signaling / Signaling by FLT3 ITD and TKD mutants / protein-membrane adaptor activity / FRS-mediated FGFR2 signaling / FRS-mediated FGFR4 signaling / Signaling by FGFR3 in disease / p38MAPK events / Tie2 Signaling / FRS-mediated FGFR1 signaling / Signaling by FGFR2 in disease / GRB2 events in EGFR signaling / SHC1 events in EGFR signaling / EPHB-mediated forward signaling / RAC1 GTPase cycle / Signaling by FLT3 fusion proteins / FLT3 Signaling / Signaling by FGFR1 in disease / myelination / EGFR Transactivation by Gastrin / positive regulation of GTPase activity / NCAM signaling for neurite out-growth / CD209 (DC-SIGN) signaling / FCERI mediated Ca+2 mobilization / positive regulation of MAP kinase activity / GRB2 events in ERBB2 signaling / Downstream signal transduction / Ras activation upon Ca2+ influx through NMDA receptor / SHC1 events in ERBB2 signaling / Insulin receptor signalling cascade / intrinsic apoptotic signaling pathway / GTPase activator activity / insulin-like growth factor receptor signaling pathway / axon guidance / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / Constitutive Signaling by Overexpressed ERBB2
Similarity search - Function
Son of sevenless (SoS) protein; Chain S, domain 1 / Son of sevenless (SoS) protein Chain: S domain 1 / Son of Sevenless (SoS) protein; Chain S, domain 2 / Ras guanine-nucleotide exchange factors catalytic 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 ...Son of sevenless (SoS) protein; Chain S, domain 1 / Son of sevenless (SoS) protein Chain: S domain 1 / Son of Sevenless (SoS) protein; Chain S, domain 2 / Ras guanine-nucleotide exchange factors catalytic 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. / Small GTPase, Ras-type / small GTPase Ras family profile. / PH domain profile. / Pleckstrin homology domain. / Pleckstrin homology domain / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Histone-fold / Small GTP-binding protein domain / PH-like domain superfamily / P-loop containing nucleotide triphosphate hydrolases / Up-down Bundle / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / PHOSPHATE ION / GTPase HRas / Son of sevenless homolog 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsSondermann, H. / Soisson, S.M. / Boykevisch, S. / Yang, S.S. / Bar-Sagi, D. / Kuriyan, J.
CitationJournal: Cell(Cambridge,Mass.) / Year: 2004
Title: Structural analysis of autoinhibition in the ras activator son of sevenless.
Authors: Sondermann, H. / Soisson, S.M. / Boykevisch, S. / Yang, S.S. / Bar-Sagi, D. / Kuriyan, J.
History
DepositionSep 3, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 2, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 20, 2021Group: Database references / Derived calculations
Category: database_2 / struct_conn ...database_2 / 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 / _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
Revision 1.4Aug 23, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Transforming protein p21/H-Ras-1
B: Transforming protein p21/H-Ras-1
C: Son of sevenless protein homolog 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)95,2949
Polymers94,4463
Non-polymers8476
Water00
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8390 Å2
ΔGint-67 kcal/mol
Surface area35960 Å2
MethodPISA
Unit cell
Length a, b, c (Å)183.703, 183.703, 177.804
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number97
Space group name H-MI422

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Components

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Transforming protein p21/H-Ras- ... , 2 types, 2 molecules AB

#1: Protein Transforming protein p21/H-Ras-1 / c-H-ras


Mass: 18783.096 Da / Num. of mol.: 1 / Fragment: residues 1-166 / Mutation: Y64A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HRAS, HRAS1 / Plasmid: pProExHTa / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: P01112
#2: Protein Transforming protein p21/H-Ras-1 / c-H-ras


Mass: 18875.191 Da / Num. of mol.: 1 / Fragment: residues 1-166
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HRAS, HRAS1 / Plasmid: pProExHTa / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: P01112

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Protein , 1 types, 1 molecules C

#3: Protein Son of sevenless protein homolog 1 / SOS-1


Mass: 56788.000 Da / Num. of mol.: 1
Fragment: residues 566-1049, including Ras guanine nucleotide exchange factor fragment
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SOS1 / Plasmid: pProExHTa / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: Q07889

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Non-polymers , 3 types, 6 molecules

#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#5: Chemical
ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: PO4
#6: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM

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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: 3.9 Å3/Da / Density % sol: 68.4 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: Hepes, Na/K phosphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 8.2.1 / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Mar 6, 2004
RadiationMonochromator: Double crystal Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.7→50 Å / Num. all: 41801 / Num. obs: 41637 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 8 % / Biso Wilson estimate: 47.5 Å2 / Rmerge(I) obs: 0.101 / Rsym value: 0.083 / Net I/σ(I): 14.9
Reflection shellResolution: 2.7→2.8 Å / Rmerge(I) obs: 0.446 / Mean I/σ(I) obs: 3.06 / Rsym value: 0.398 / % possible all: 98.3

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Processing

Software
NameVersionClassification
CNS1.1refinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1NVV

1nvv


Resolution: 2.7→48.98 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 141624.91 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.245 2857 7.2 %RANDOM
Rwork0.212 ---
all0.212 39925 --
obs0.212 39925 95.3 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 22.5556 Å2 / ksol: 0.367929 e/Å3
Displacement parametersBiso mean: 37.7 Å2
Baniso -1Baniso -2Baniso -3
1-1.35 Å20 Å20 Å2
2--1.35 Å20 Å2
3----2.69 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.39 Å0.32 Å
Luzzati d res low-5 Å
Luzzati sigma a0.49 Å0.38 Å
Refinement stepCycle: LAST / Resolution: 2.7→48.98 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6534 0 49 0 6583
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_dihedral_angle_d21.3
X-RAY DIFFRACTIONc_improper_angle_d0.91
LS refinement shellResolution: 2.7→2.87 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.344 438 7.2 %
Rwork0.3 5605 -
obs--87.8 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2ION.PARAMION.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMWATER_REP.TOP

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