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- PDB-4lpk: Crystal Structure of K-Ras WT, GDP-bound -

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Basic information

Entry
Database: PDB / ID: 4lpk
TitleCrystal Structure of K-Ras WT, GDP-bound
ComponentsGTPase KRas
KeywordsSIGNALING PROTEIN / GTPase / GDP bound
Function / homology
Function and homology information


forebrain astrocyte development / negative regulation of epithelial cell differentiation / regulation of synaptic transmission, GABAergic / epithelial tube branching involved in lung morphogenesis / type I pneumocyte differentiation / Rac protein signal transduction / skeletal muscle cell differentiation / positive regulation of Rac protein signal transduction / Signaling by RAS GAP mutants / Signaling by RAS GTPase mutants ...forebrain astrocyte development / negative regulation of epithelial cell differentiation / regulation of synaptic transmission, GABAergic / epithelial tube branching involved in lung morphogenesis / type I pneumocyte differentiation / Rac protein signal transduction / skeletal muscle cell differentiation / positive regulation of Rac protein signal transduction / Signaling by RAS GAP mutants / Signaling by RAS GTPase mutants / Activation of RAS in B cells / RAS signaling downstream of NF1 loss-of-function variants / RUNX3 regulates p14-ARF / SOS-mediated signalling / Activated NTRK3 signals through RAS / Activated NTRK2 signals through RAS / SHC1 events in ERBB4 signaling / Signalling to RAS / SHC-related events triggered by IGF1R / glial cell proliferation / Activated NTRK2 signals through FRS2 and FRS3 / Estrogen-stimulated signaling through PRKCZ / SHC-mediated cascade:FGFR3 / MET activates RAS signaling / Signaling by PDGFRA transmembrane, juxtamembrane and kinase domain mutants / Signaling by PDGFRA extracellular domain mutants / SHC-mediated cascade:FGFR2 / PTK6 Regulates RHO GTPases, RAS GTPase and MAP kinases / SHC-mediated cascade:FGFR4 / Signaling by FGFR4 in disease / SHC-mediated cascade:FGFR1 / Erythropoietin activates RAS / protein-membrane adaptor activity / FRS-mediated FGFR3 signaling / Signaling by CSF3 (G-CSF) / Signaling by FLT3 ITD and TKD mutants / positive regulation of glial cell proliferation / homeostasis of number of cells within a tissue / 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 / striated muscle cell differentiation / GRB2 events in EGFR signaling / SHC1 events in EGFR signaling / EGFR Transactivation by Gastrin / Signaling by FLT3 fusion proteins / FLT3 Signaling / Ras activation upon Ca2+ influx through NMDA receptor / Signaling by FGFR1 in disease / GRB2 events in ERBB2 signaling / NCAM signaling for neurite out-growth / CD209 (DC-SIGN) signaling / SHC1 events in ERBB2 signaling / Downstream signal transduction / Constitutive Signaling by Overexpressed ERBB2 / Insulin receptor signalling cascade / small monomeric GTPase / Signaling by phosphorylated juxtamembrane, extracellular and kinase domain KIT mutants / G protein activity / VEGFR2 mediated cell proliferation / FCERI mediated MAPK activation / Signaling by ERBB2 TMD/JMD mutants / RAF activation / regulation of long-term neuronal synaptic plasticity / Signaling by high-kinase activity BRAF mutants / Constitutive Signaling by EGFRvIII / MAP2K and MAPK activation / visual learning / Signaling by ERBB2 ECD mutants / Signaling by ERBB2 KD Mutants / Signaling by SCF-KIT / cytoplasmic side of plasma membrane / Regulation of RAS by GAPs / Negative regulation of MAPK pathway / RAS processing / 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 / GDP binding / Signaling by CSF1 (M-CSF) in myeloid cells / MAPK cascade / Signaling by BRAF and RAF1 fusions / Constitutive Signaling by Ligand-Responsive EGFR Cancer Variants / DAP12 signaling / Ca2+ pathway / gene expression / actin cytoskeleton organization / RAF/MAP kinase cascade / neuron apoptotic process / mitochondrial outer membrane / negative regulation of neuron apoptotic process / Ras protein signal transduction / positive regulation of protein phosphorylation / Golgi membrane / focal adhesion
Similarity search - Function
Small GTPase, Ras-type / small GTPase Ras family profile. / Ran (Ras-related nuclear proteins) /TC4 subfamily of small GTPases / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases ...Small GTPase, Ras-type / small GTPase Ras family profile. / Ran (Ras-related nuclear proteins) /TC4 subfamily of small GTPases / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-DIPHOSPHATE / GTPase KRas
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.5 Å
AuthorsOstrem, J.M. / Peters, U. / Sos, M.L. / Wells, J.A. / Shokat, K.M.
CitationJournal: Nature / Year: 2013
Title: K-Ras(G12C) inhibitors allosterically control GTP affinity and effector interactions.
Authors: Ostrem, J.M. / Peters, U. / Sos, M.L. / Wells, J.A. / Shokat, K.M.
History
DepositionJul 16, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 27, 2013Provider: repository / Type: Initial release
Revision 1.1Dec 18, 2013Group: Database references
Revision 1.2Nov 15, 2017Group: Refinement description / Category: software
Revision 1.3Sep 20, 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_asym_id / _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_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_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_asym_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_asym_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

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: GTPase KRas
B: GTPase KRas
hetero molecules


Theoretical massNumber of molelcules
Total (without water)39,6708
Polymers38,6582
Non-polymers1,0136
Water7,008389
1
A: GTPase KRas
hetero molecules


Theoretical massNumber of molelcules
Total (without water)19,8354
Polymers19,3291
Non-polymers5063
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: GTPase KRas
hetero molecules


Theoretical massNumber of molelcules
Total (without water)19,8354
Polymers19,3291
Non-polymers5063
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)84.282, 84.282, 41.267
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number143
Space group name H-MP3
Components on special symmetry positions
IDModelComponents
11B-203-

NA

21A-308-

HOH

31A-319-

HOH

41A-408-

HOH

51B-304-

HOH

61B-389-

HOH

71B-435-

HOH

81B-443-

HOH

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Components

#1: Protein GTPase KRas / K-Ras 2 / Ki-Ras / c-K-ras / c-Ki-ras / GTPase KRas / N-terminally processed


Mass: 19328.811 Da / Num. of mol.: 2 / Fragment: UNP residues 1-169
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: KRAS, KRAS isoform 2B, KRAS2, RASK2 / Plasmid: pJexpress411 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P01116
#2: Chemical ChemComp-GDP / GUANOSINE-5'-DIPHOSPHATE


Type: RNA linking / Mass: 443.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O11P2 / Comment: GDP, energy-carrying molecule*YM
#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 389 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsTHE SEQUENCE IN THE STRUCTURE REPRESENTS ISOFORM 2B OF GTPASE KRAS. THIS ISOFORM DIFFERS FROM THE ...THE SEQUENCE IN THE STRUCTURE REPRESENTS ISOFORM 2B OF GTPASE KRAS. THIS ISOFORM DIFFERS FROM THE CANONICAL SEQUENCE AS FOLLOW: 151-153 (RVE TO GVD) AND 165-169 (QYRLK TO KHKEK)

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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: 2.19 Å3/Da / Density % sol: 43.81 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: 19% PEG3350, 0.2M CaCl2, 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: 8.3.1 / Wavelength: 1.1159 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Mar 7, 2010
Diffraction measurementDetails: 0.70 degrees, 2.0 sec, detector distance 170.00 mm / Method: \w scans
RadiationMonochromator: Double crystal, Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.1159 Å / Relative weight: 1
ReflectionAv R equivalents: 0.05 / Number: 153617
Reflection twinOperator: -h,-k,l / Fraction: 0.46
ReflectionResolution: 1.5→25 Å / Num. obs: 51602 / % possible obs: 98.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 3 % / Rmerge(I) obs: 0.05 / Rsym value: 0.05 / Net I/σ(I): 19.863
Reflection shellResolution: 1.5→1.53 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.289 / Mean I/σ(I) obs: 2.702 / Rsym value: 0.289 / % possible all: 92.4
Cell measurementReflection used: 153617

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Phasing

PhasingMethod: molecular replacement
Phasing MR
Highest resolutionLowest resolution
Rotation2.5 Å20.96 Å
Translation2.5 Å20.96 Å

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
PHASER2.2.4phasing
PHENIXdev_1402refinement
PDB_EXTRACT3.11data extraction
Blu-IceICEdata collection
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3GFT

3gft


Resolution: 1.5→20.959 Å / Occupancy max: 1 / Occupancy min: 0 / FOM work R set: 0.8652 / σ(F): 1.98 / Phase error: 20.78 / Stereochemistry target values: TWIN_LSQ_F
RfactorNum. reflection% reflection
Rfree0.1916 1989 3.85 %
Rwork0.1578 --
obs0.1679 51602 98.02 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 78.08 Å2 / Biso mean: 19.406 Å2 / Biso min: 7.24 Å2
Refinement stepCycle: LAST / Resolution: 1.5→20.959 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2544 0 60 389 2993
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0032660
X-RAY DIFFRACTIONf_angle_d0.6953603
X-RAY DIFFRACTIONf_chiral_restr0.038406
X-RAY DIFFRACTIONf_plane_restr0.002458
X-RAY DIFFRACTIONf_dihedral_angle_d13.944997
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 14

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.5007-1.53820.29811430.26843356349988
1.5382-1.57980.27971400.24573496363694
1.5798-1.62630.23031400.23683505364594
1.6263-1.67880.22361340.22253564369894
1.6788-1.73870.23271380.21853518365694
1.7387-1.80830.24031440.20843519366394
1.8083-1.89050.21251380.19613521365994
1.8905-1.99010.19661350.19253563369895
1.9901-2.11470.21981510.1943546369795
2.1147-2.27780.20111480.18123627377596
2.2778-2.50660.17771340.17063577371196
2.5066-2.86850.18411390.15563621376096
2.8685-3.61060.19821420.13553594373696
3.6106-20.24570.15851350.11773541367695
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
11.65380.1351-0.9960.9754-0.41371.7983-0.0146-0.19-00.11330.0186-0.06630.07290.21770.01490.09110.0233-0.02410.1048-0.00290.153127.6099-1.3505-17.503
26.50876.4629-2.64056.5175-2.73331.2030.3029-0.65060.03610.7233-0.3577-0.1423-0.19810.24940.08860.17790.0157-0.02530.15290.00220.231524.755410.1142-12.7038
31.84990.92430.46712.81350.97141.4309-0.0034-0.005-0.0022-0.0451-0.00510.0257-0.0403-0.07550.00780.06550.01080.00320.06280.01490.127914.02035.7532-23.7566
41.1718-1.77850.44025.1637-1.74051.43140.03470.07770.0047-0.2516-0.0486-0.05870.1099-0.06760.00210.0689-0.0033-0.00470.0715-0.00610.128116.17651.3038-31.464
52.75820.7329-0.34114.95380.9382.9587-0.12690.10550.0544-0.24910.2488-0.224-0.20650.1413-0.07250.0757-0.00310.01780.1122-0.00840.158129.06475.3839-28.5725
60.9746-0.24670.370.98930.13811.78040.03930.02360.020.097-0.03670.0997-0.0467-0.04540.02360.08320.01670.01070.0743-0.00340.152118.4602-18.99744.1966
71.9511-0.45531.02111.5665-0.30742.8209-0.1514-0.0651-0.07130.20660.0798-0.0117-0.081-0.08330.0020.08350.02840.02430.09470.00690.140512.763-26.32786.2119
82.35080.4886-0.84681.4995-0.57021.1409-0.0071-0.0636-0.2318-0.0254-0.0306-0.09160.121-0.00540.01470.08440.0109-0.01310.0788-0.00140.182625.4581-31.8024-1.8835
92.33610.78270.52512.52240.40021.0198-0.02340.24030.0323-0.25050.1108-0.2397-0.0340.1115-0.0650.09620.00710.02060.10390.0030.141728.2918-21.9547-10.0438
103.34420.5080.58092.43690.55592.08140.00630.11410.0318-0.2292-0.04760.36750.0237-0.06770.00880.07520.0149-0.02550.1109-0.00280.153612.8189-26.5484-8.3321
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1chain 'A' and (resid 1 through 57 )A0
2X-RAY DIFFRACTION2chain 'A' and (resid 58 through 76 )A0
3X-RAY DIFFRACTION3chain 'A' and (resid 77 through 126 )A0
4X-RAY DIFFRACTION4chain 'A' and (resid 127 through 151 )A0
5X-RAY DIFFRACTION5chain 'A' and (resid 152 through 166 )A0
6X-RAY DIFFRACTION6chain 'B' and (resid 1 through 37 )B0
7X-RAY DIFFRACTION7chain 'B' and (resid 38 through 74 )B0
8X-RAY DIFFRACTION8chain 'B' and (resid 75 through 116 )B0
9X-RAY DIFFRACTION9chain 'B' and (resid 117 through 151 )B0
10X-RAY DIFFRACTION10chain 'B' and (resid 152 through 166 )B0

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