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- PDB-3iqu: Crystal Structure of human 14-3-3 sigma in Complex with Raf1 pept... -

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Basic information

Entry
Database: PDB / ID: 3iqu
TitleCrystal Structure of human 14-3-3 sigma in Complex with Raf1 peptide (6mer)
Components
  • 14-3-3 protein sigma
  • 6-mer from RAF proto-oncogene serine/threonine-protein kinase
KeywordsPROTEIN BINDING / SIGNALING PROTEIN / SIGNAL TRANSUCTION / Nucleus / Phosphoprotein / Secreted
Function / homology
Function and homology information


death-inducing signaling complex assembly / intermediate filament cytoskeleton organization / regulation of Rho protein signal transduction / type B pancreatic cell proliferation / SHOC2 M1731 mutant abolishes MRAS complex function / Gain-of-function MRAS complexes activate RAF signaling / Rap1 signalling / insulin secretion involved in cellular response to glucose stimulus / Negative feedback regulation of MAPK pathway / IFNG signaling activates MAPKs ...death-inducing signaling complex assembly / intermediate filament cytoskeleton organization / regulation of Rho protein signal transduction / type B pancreatic cell proliferation / SHOC2 M1731 mutant abolishes MRAS complex function / Gain-of-function MRAS complexes activate RAF signaling / Rap1 signalling / insulin secretion involved in cellular response to glucose stimulus / Negative feedback regulation of MAPK pathway / IFNG signaling activates MAPKs / GP1b-IX-V activation signalling / regulation of epidermal cell division / protein kinase C inhibitor activity / ERBB2-ERBB3 signaling pathway / positive regulation of epidermal cell differentiation / keratinocyte development / keratinization / neurotrophin TRK receptor signaling pathway / face development / pseudopodium / regulation of cell-cell adhesion / regulation of cell differentiation / thyroid gland development / cAMP/PKA signal transduction / Regulation of localization of FOXO transcription factors / keratinocyte proliferation / extrinsic apoptotic signaling pathway via death domain receptors / somatic stem cell population maintenance / positive regulation of peptidyl-serine phosphorylation / Activation of BAD and translocation to mitochondria / phosphoserine residue binding / MAP kinase kinase kinase activity / negative regulation of keratinocyte proliferation / establishment of skin barrier / type II interferon-mediated signaling pathway / negative regulation of protein localization to plasma membrane / Schwann cell development / Chk1/Chk2(Cds1) mediated inactivation of Cyclin B:Cdk1 complex / SARS-CoV-2 targets host intracellular signalling and regulatory pathways / negative regulation of protein-containing complex assembly / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / negative regulation of protein kinase activity / negative regulation of stem cell proliferation / RHO GTPases activate PKNs / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / positive regulation of protein localization / response to muscle stretch / myelination / CD209 (DC-SIGN) signaling / positive regulation of cell adhesion / insulin-like growth factor receptor signaling pathway / protein sequestering activity / negative regulation of innate immune response / protein export from nucleus / TP53 Regulates Transcription of Genes Involved in G2 Cell Cycle Arrest / release of cytochrome c from mitochondria / thymus development / adenylate cyclase activator activity / positive regulation of protein export from nucleus / stem cell proliferation / TP53 Regulates Metabolic Genes / Translocation of SLC2A4 (GLUT4) to the plasma membrane / wound healing / RAF activation / Signaling by high-kinase activity BRAF mutants / MAP2K and MAPK activation / Stimuli-sensing channels / intrinsic apoptotic signaling pathway in response to DNA damage / Negative regulation of MAPK pathway / Signaling by RAF1 mutants / Signaling by moderate kinase activity BRAF mutants / Paradoxical activation of RAF signaling by kinase inactive BRAF / Signaling downstream of RAS mutants / Signaling by BRAF and RAF1 fusions / insulin receptor signaling pathway / intracellular protein localization / MAPK cascade / regulation of protein localization / positive regulation of cell growth / regulation of apoptotic process / mitochondrial outer membrane / protein phosphorylation / non-specific serine/threonine protein kinase / protein kinase activity / regulation of cell cycle / positive regulation of MAPK cascade / cadherin binding / negative regulation of cell population proliferation / protein serine kinase activity / protein serine/threonine kinase activity / apoptotic process / protein kinase binding / negative regulation of apoptotic process / enzyme binding / negative regulation of transcription by RNA polymerase II / Golgi apparatus / signal transduction / positive regulation of transcription by RNA polymerase II / mitochondrion / extracellular space
Similarity search - Function
Raf-like Ras-binding domain / Raf-like Ras-binding / Ras-binding domain (RBD) profile. / Raf-like Ras-binding domain / Diacylglycerol/phorbol-ester binding / 14-3-3 domain / Delta-Endotoxin; domain 1 / : / Phorbol esters/diacylglycerol binding domain (C1 domain) / Zinc finger phorbol-ester/DAG-type signature. ...Raf-like Ras-binding domain / Raf-like Ras-binding / Ras-binding domain (RBD) profile. / Raf-like Ras-binding domain / Diacylglycerol/phorbol-ester binding / 14-3-3 domain / Delta-Endotoxin; domain 1 / : / Phorbol esters/diacylglycerol binding domain (C1 domain) / Zinc finger phorbol-ester/DAG-type signature. / 14-3-3 protein sigma / Zinc finger phorbol-ester/DAG-type profile. / Protein kinase C conserved region 1 (C1) domains (Cysteine-rich domains) / Protein kinase C-like, phorbol ester/diacylglycerol-binding domain / C1-like domain superfamily / 14-3-3 proteins signature 2. / 14-3-3 protein, conserved site / 14-3-3 proteins signature 1. / 14-3-3 protein / 14-3-3 homologues / 14-3-3 domain / 14-3-3 domain superfamily / 14-3-3 protein / Ubiquitin-like domain superfamily / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
RAF proto-oncogene serine/threonine-protein kinase / 14-3-3 protein sigma
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.05 Å
AuthorsOttmann, C. / Weyand, M.
CitationJournal: Mol.Cell.Biol. / Year: 2010
Title: Impaired binding of 14-3-3 to C-RAF in Noonan syndrome suggests new approaches in diseases with increased Ras signaling.
Authors: Molzan, M. / Schumacher, B. / Ottmann, C. / Baljuls, A. / Polzien, L. / Weyand, M. / Thiel, P. / Rose, R. / Rose, M. / Kuhenne, P. / Kaiser, M. / Rapp, U.R. / Kuhlmann, J. / Ottmann, C.
History
DepositionAug 21, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Sep 1, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 27, 2013Group: Database references
Revision 1.3Nov 1, 2017Group: Refinement description / Category: software
Revision 1.4Nov 1, 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_alt_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.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_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.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_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.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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Nov 22, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond / Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_2
Revision 1.6Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 14-3-3 protein sigma
P: 6-mer from RAF proto-oncogene serine/threonine-protein kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)27,4276
Polymers27,3192
Non-polymers1084
Water8,863492
1
A: 14-3-3 protein sigma
P: 6-mer from RAF proto-oncogene serine/threonine-protein kinase
hetero molecules

A: 14-3-3 protein sigma
P: 6-mer from RAF proto-oncogene serine/threonine-protein kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)54,85412
Polymers54,6374
Non-polymers2178
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation4_555x,-y,-z1
Buried area4840 Å2
ΔGint-64 kcal/mol
Surface area23930 Å2
MethodPISA
Unit cell
Length a, b, c (Å)82.180, 112.170, 62.730
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221
Components on special symmetry positions
IDModelComponents
11A-235-

MG

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Components

#1: Protein 14-3-3 protein sigma / Stratifin / Epithelial cell marker protein 1


Mass: 26558.914 Da / Num. of mol.: 1 / Fragment: UNP residues 1-231 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P31947
#2: Protein/peptide 6-mer from RAF proto-oncogene serine/threonine-protein kinase / C-RAF / cRaf / Raf-1


Mass: 759.680 Da / Num. of mol.: 1 / Source method: obtained synthetically
Details: The peptide was chemically synthesized. The sequence of the peptide is naturally found in Homo sapiens (human)
References: UniProt: P04049
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 492 / 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

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Sample preparation

CrystalDensity Matthews: 2.65 Å3/Da / Density % sol: 53.51 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 0.1M Hepes/NaOH ph 7.5, 0.2M CaCl2, 28% PEG 400, 5% glycerol, 2mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SLS / Beamline: X10SA / Wavelength: 0.87314 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Mar 4, 2009
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.87314 Å / Relative weight: 1
ReflectionResolution: 1.05→34.03 Å / Num. all: 134589 / Num. obs: 133400 / % possible obs: 99.1 % / Observed criterion σ(F): -3 / Observed criterion σ(I): -3 / Redundancy: 5.5 % / Biso Wilson estimate: 12.532 Å2 / Rsym value: 0.055 / Net I/σ(I): 14.8
Reflection shellResolution: 1.05→1.1 Å / Redundancy: 3.9 % / Num. unique all: 16942 / Rsym value: 0.397 / % possible all: 97.5

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Processing

Software
NameVersionClassification
PHASERphasing
REFMAC5.5.0070refinement
XDSdata reduction
XSCALEdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1YWT

1ywt


Resolution: 1.05→25 Å / Cor.coef. Fo:Fc: 0.979 / Cor.coef. Fo:Fc free: 0.973 / SU B: 0.652 / SU ML: 0.015 / Cross valid method: THROUGHOUT / ESU R: 0.022 / ESU R Free: 0.023 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.1509 6621 5 %RANDOM
Rwork0.12857 ---
obs0.12971 126774 99.12 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 9.982 Å2
Baniso -1Baniso -2Baniso -3
1-0.08 Å20 Å20 Å2
2--0.9 Å20 Å2
3----0.98 Å2
Refinement stepCycle: LAST / Resolution: 1.05→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1909 0 4 492 2405
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0280.0222190
X-RAY DIFFRACTIONr_bond_other_d0.0040.021543
X-RAY DIFFRACTIONr_angle_refined_deg2.1981.9913004
X-RAY DIFFRACTIONr_angle_other_deg1.15933824
X-RAY DIFFRACTIONr_dihedral_angle_1_deg12.0895.063315
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.40424.862109
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.54615.033448
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.0481517
X-RAY DIFFRACTIONr_chiral_restr0.160.2334
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.022506
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02433
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_it2.1131.51324
X-RAY DIFFRACTIONr_mcbond_other1.0741.5532
X-RAY DIFFRACTIONr_mcangle_it3.10822165
X-RAY DIFFRACTIONr_scbond_it4.9013866
X-RAY DIFFRACTIONr_scangle_it6.7414.5800
X-RAY DIFFRACTIONr_rigid_bond_restr2.46433733
X-RAY DIFFRACTIONr_sphericity_free15.6373496
X-RAY DIFFRACTIONr_sphericity_bonded6.76433666
LS refinement shellResolution: 1.05→1.077 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.193 465 -
Rwork0.182 9002 -
obs--96.19 %

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