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- PDB-6xi7: Crystal Structure of wild-type KRAS (GMPPNP-bound) in complex wit... -

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Entry
Database: PDB / ID: 6xi7
TitleCrystal Structure of wild-type KRAS (GMPPNP-bound) in complex with RAS-binding domain (RBD) and cysteine-rich domain (CRD) of RAF1/CRAF (crystal form I)
Components
  • Isoform 2B of GTPase KRas
  • RAF proto-oncogene serine/threonine-protein kinase
KeywordsONCOPROTEIN / Transferase/Hydrolase / KRAS / RAS / K-ras / KRAS4b / RAF1 / CRAF / RBD / RAS-binding domain / cysteine-rich domain / CRD / Transferase-Hydrolase complex
Function / homology
Function and homology information


death-inducing signaling complex assembly / intermediate filament cytoskeleton organization / type B pancreatic cell proliferation / regulation of Rho protein signal transduction / 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 / type B pancreatic cell proliferation / regulation of Rho protein signal transduction / 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 / ERBB2-ERBB3 signaling pathway / neurotrophin TRK receptor signaling pathway / pseudopodium / face development / regulation of cell differentiation / thyroid gland development / extrinsic apoptotic signaling pathway via death domain receptors / somatic stem cell population maintenance / positive regulation of peptidyl-serine phosphorylation / MAP kinase kinase kinase activity / type II interferon-mediated signaling pathway / negative regulation of protein-containing complex assembly / Schwann cell development / negative regulation of extrinsic apoptotic signaling pathway via death domain receptors / response to muscle stretch / myelination / CD209 (DC-SIGN) signaling / insulin-like growth factor receptor signaling pathway / adenylate cyclase activator activity / thymus development / small monomeric GTPase / wound healing / RAF activation / Signaling by high-kinase activity BRAF mutants / MAP2K and MAPK activation / Stimuli-sensing channels / Signaling by RAF1 mutants / Negative regulation of MAPK pathway / 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 / MAPK cascade / insulin receptor signaling pathway / Ca2+ pathway / regulation of apoptotic process / mitochondrial outer membrane / non-specific serine/threonine protein kinase / protein kinase activity / positive regulation of MAPK cascade / protein phosphorylation / negative regulation of cell population proliferation / protein serine kinase activity / protein serine/threonine kinase activity / apoptotic process / negative regulation of apoptotic process / enzyme binding / Golgi apparatus / signal transduction / positive regulation of transcription by RNA polymerase II / mitochondrion / zinc ion binding / ATP binding / identical protein binding / nucleus / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Wheat Germ Agglutinin (Isolectin 2); domain 1 - #20 / Raf-like Ras-binding domain / Raf-like Ras-binding / Ras-binding domain (RBD) profile. / Raf-like Ras-binding domain / Wheat Germ Agglutinin (Isolectin 2); domain 1 / Diacylglycerol/phorbol-ester binding / : / Phorbol esters/diacylglycerol binding domain (C1 domain) / Zinc finger phorbol-ester/DAG-type signature. ...Wheat Germ Agglutinin (Isolectin 2); domain 1 - #20 / Raf-like Ras-binding domain / Raf-like Ras-binding / Ras-binding domain (RBD) profile. / Raf-like Ras-binding domain / Wheat Germ Agglutinin (Isolectin 2); domain 1 / Diacylglycerol/phorbol-ester binding / : / Phorbol esters/diacylglycerol binding domain (C1 domain) / Zinc finger phorbol-ester/DAG-type signature. / 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 / Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1 / Ras family / Ubiquitin-like (UB roll) / Ubiquitin-like domain superfamily / P-loop containing nucleotide triphosphate hydrolases / Serine/threonine-protein kinase, active site / Serine/Threonine protein kinases active-site signature. / Protein kinase domain / Serine/Threonine protein kinases, catalytic domain / Roll / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER / Isoform 2B of GTPase KRas / RAF proto-oncogene serine/threonine-protein kinase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.95 Å
AuthorsChan, A.H. / Tran, T.H. / Dharmaiah, S. / Simanshu, D.K.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)HHSN261200800001E United States
CitationJournal: Nat Commun / Year: 2021
Title: KRAS interaction with RAF1 RAS-binding domain and cysteine-rich domain provides insights into RAS-mediated RAF activation.
Authors: Tran, T.H. / Chan, A.H. / Young, L.C. / Bindu, L. / Neale, C. / Messing, S. / Dharmaiah, S. / Taylor, T. / Denson, J.P. / Esposito, D. / Nissley, D.V. / Stephen, A.G. / McCormick, F. / Simanshu, D.K.
History
DepositionJun 19, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 13, 2021Provider: repository / Type: Initial release
Revision 1.1Jul 14, 2021Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2May 25, 2022Group: Advisory / Database references ...Advisory / Database references / Source and taxonomy / Structure summary
Category: database_2 / entity_name_com ...database_2 / entity_name_com / entity_src_gen / pdbx_unobs_or_zero_occ_atoms / pdbx_unobs_or_zero_occ_residues / struct_ref / struct_ref_seq / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity_src_gen.gene_src_common_name / _entity_src_gen.pdbx_gene_src_ncbi_taxonomy_id / _entity_src_gen.pdbx_gene_src_scientific_name / _struct_ref.db_code / _struct_ref.db_name / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.seq_align_beg
Revision 1.3Jun 22, 2022Group: Database references / Source and taxonomy / Structure summary
Category: entity / entity_name_com ...entity / entity_name_com / entity_src_gen / struct_ref / struct_ref_seq / struct_ref_seq_dif
Item: _entity.pdbx_description / _entity_src_gen.pdbx_gene_src_gene ..._entity.pdbx_description / _entity_src_gen.pdbx_gene_src_gene / _struct_ref.db_code / _struct_ref.db_name / _struct_ref.pdbx_db_accession / _struct_ref.pdbx_seq_one_letter_code / _struct_ref_seq.db_align_beg / _struct_ref_seq.pdbx_auth_seq_align_beg / _struct_ref_seq.pdbx_db_accession / _struct_ref_seq.seq_align_beg
Revision 1.4Oct 18, 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: Isoform 2B of GTPase KRas
B: RAF proto-oncogene serine/threonine-protein kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)36,19314
Polymers35,0812
Non-polymers1,11212
Water1,47782
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4320 Å2
ΔGint-76 kcal/mol
Surface area14700 Å2
MethodPISA
Unit cell
Length a, b, c (Å)91.890, 91.890, 154.110
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number182
Space group name H-MP6322
Components on special symmetry positions
IDModelComponents
11A-357-

HOH

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Components

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Protein , 2 types, 2 molecules AB

#1: Protein Isoform 2B of GTPase KRas / K-Ras 2 / Ki-Ras / c-K-ras / c-Ki-ras


Mass: 19312.746 Da / Num. of mol.: 1 / Mutation: C118S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: KRAS, KRAS2, RASK2 / Production host: Escherichia coli (E. coli) / References: UniProt: P01116-2, small monomeric GTPase
#2: Protein RAF proto-oncogene serine/threonine-protein kinase / Proto-oncogene c-RAF / cRaf / Raf-1


Mass: 15768.458 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: RAF1, RAF / Production host: Escherichia coli (E. coli)
References: UniProt: P04049, non-specific serine/threonine protein kinase

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Non-polymers , 6 types, 94 molecules

#3: Chemical ChemComp-GNP / PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER


Mass: 522.196 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H17N6O13P3 / Feature type: SUBJECT OF INVESTIGATION
Comment: GppNHp, GMPPNP, energy-carrying molecule analogue*YM
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#5: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: SO4
#6: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: Cl
#7: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn
#8: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 82 / Source method: isolated from a natural source / Formula: H2O

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Details

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: 2.7 Å3/Da / Density % sol: 54.49 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.3 / Details: 2218.18 mM AMSO4, 6.5% (w/v) PEG 400, pH 5.3

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.9791 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Nov 17, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9791 Å / Relative weight: 1
ReflectionResolution: 1.95→45.95 Å / Num. obs: 28734 / % possible obs: 99.8 % / Redundancy: 9.196 % / Biso Wilson estimate: 52.041 Å2 / CC1/2: 1 / Rmerge(I) obs: 0.047 / Rrim(I) all: 0.05 / Χ2: 0.848 / Net I/σ(I): 24.2 / Num. measured all: 264233
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. possibleNum. unique obsCC1/2Rrim(I) all% possible all
1.95-2.079.4161.0932.1442280452244900.7691.15799.3
2.07-2.219.3660.5714.3340170428942890.9290.605100
2.21-2.399.0520.3217.5136127399739910.9710.34199.8
2.39-2.629.7630.17213.936308371937190.9930.182100
2.62-2.939.5050.09922.8431870335833530.9970.10499.9
2.93-3.388.5880.05138.8625799300530040.9990.054100
3.38-4.139.3570.03261.6524187258525850.9990.034100
4.13-5.828.7050.02770.15178982058205610.02899.9
5.82-45.957.6940.02370.9595941258124710.02599.1

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Processing

Software
NameVersionClassification
PHENIX1.18.2_3874refinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6XHB

6xhb


Resolution: 1.95→45.95 Å / SU ML: 0.22 / Cross valid method: THROUGHOUT / σ(F): 1.35 / Phase error: 22.54 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2321 2000 6.96 %
Rwork0.2042 26732 -
obs0.2061 28732 99.86 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 139.01 Å2 / Biso mean: 59.7209 Å2 / Biso min: 30.43 Å2
Refinement stepCycle: final / Resolution: 1.95→45.95 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2362 0 51 82 2495
Biso mean--51.04 56.14 -
Num. residues----293
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 14

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.95-20.28971390.28781854199399
2-2.050.29111390.259918601999100
2.05-2.110.27141390.238418601999100
2.11-2.180.2591400.23118782018100
2.18-2.260.23731400.22518591999100
2.26-2.350.25641410.223418922033100
2.35-2.460.28921410.227118842025100
2.46-2.590.22391410.226318862027100
2.59-2.750.24411420.224719012043100
2.75-2.960.25551430.22419082051100
2.96-3.260.25141440.2319222066100
3.26-3.730.21451450.184919332078100
3.73-4.70.19551480.171819802128100
4.7-45.950.23411580.200721152273100
Refinement TLS params.Method: refined / Origin x: 18.5492 Å / Origin y: -33.1604 Å / Origin z: -17.1453 Å
111213212223313233
T0.388 Å2-0.0885 Å20.0079 Å2-0.3195 Å20.0701 Å2--0.3522 Å2
L2.7949 °20.4893 °20.2962 °2-2.2622 °20.2749 °2--1.7501 °2
S-0.2849 Å °0.4625 Å °0.2214 Å °-0.587 Å °0.2334 Å °-0.0585 Å °-0.3203 Å °0.1258 Å °0.0482 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1allA1 - 169
2X-RAY DIFFRACTION1allB56 - 185
3X-RAY DIFFRACTION1allW1 - 83
4X-RAY DIFFRACTION1allL1 - 12

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