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- PDB-10gh: Cryo-EM structure of Receptor Tyrosine Kinase ROS1 in complex wit... -

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Basic information

Entry
Database: PDB / ID: 10gh
TitleCryo-EM structure of Receptor Tyrosine Kinase ROS1 in complex with Fab-RX5
Components
  • Fab-RX5 heavy chain
  • Fab-RX5 light chain
  • Proto-oncogene tyrosine-protein kinase ROS
KeywordsTRANSFERASE/IMMUNE SYSTEM / Receptor tyrosine kinase / ROS1 extracellular bent-over conformation / Inhibitory Fab-RX5 / TRANSFERASE-IMMUNE SYSTEM complex
Function / homology
Function and homology information


columnar/cuboidal epithelial cell development / regulation of phosphate transport / regulation of TOR signaling / regulation of ERK1 and ERK2 cascade / transmembrane receptor protein tyrosine kinase activity / cell surface receptor protein tyrosine kinase signaling pathway / regulation of cell growth / receptor protein-tyrosine kinase / protein tyrosine kinase activity / gene expression ...columnar/cuboidal epithelial cell development / regulation of phosphate transport / regulation of TOR signaling / regulation of ERK1 and ERK2 cascade / transmembrane receptor protein tyrosine kinase activity / cell surface receptor protein tyrosine kinase signaling pathway / regulation of cell growth / receptor protein-tyrosine kinase / protein tyrosine kinase activity / gene expression / protein phosphatase binding / spermatogenesis / cell differentiation / protein phosphorylation / receptor complex / negative regulation of gene expression / perinuclear region of cytoplasm / cell surface / signal transduction / ATP binding / plasma membrane
Similarity search - Function
LDLR class B repeat / Low-density lipoprotein-receptor YWTD domain / Six-bladed beta-propeller, TolB-like / Fibronectin type III domain / : / Fibronectin type 3 domain / Fibronectin type-III domain profile. / Fibronectin type III / Fibronectin type III superfamily / Tyrosine-protein kinase, catalytic domain ...LDLR class B repeat / Low-density lipoprotein-receptor YWTD domain / Six-bladed beta-propeller, TolB-like / Fibronectin type III domain / : / Fibronectin type 3 domain / Fibronectin type-III domain profile. / Fibronectin type III / Fibronectin type III superfamily / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / Tyrosine-protein kinase, active site / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Immunoglobulin-like fold / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily
Similarity search - Domain/homology
Proto-oncogene tyrosine-protein kinase ROS
Similarity search - Component
Biological speciesMus musculus (house mouse)
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.06 Å
AuthorsLi, H. / Klein, D.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Clustering and a conformational switch drive activation of the mammalian receptor tyrosine kinase ROS1
Authors: Li, H. / Klein, D.
History
DepositionJan 19, 2026Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 25, 2026Provider: repository / Type: Initial release
Revision 1.0Feb 25, 2026Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Feb 25, 2026Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Feb 25, 2026Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Feb 25, 2026Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Feb 25, 2026Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Feb 25, 2026Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Proto-oncogene tyrosine-protein kinase ROS
B: Fab-RX5 light chain
C: Fab-RX5 heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)165,51611
Polymers163,1373
Non-polymers2,3798
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Proto-oncogene tyrosine-protein kinase ROS / Proto-oncogene c-Ros / Proto-oncogene c-Ros-1 / Receptor tyrosine kinase c-ros oncogene 1 / c-Ros ...Proto-oncogene c-Ros / Proto-oncogene c-Ros-1 / Receptor tyrosine kinase c-ros oncogene 1 / c-Ros receptor tyrosine kinase


Mass: 112553.805 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Ros1, Ros, Ros-1 / Production host: Homo sapiens (human)
References: UniProt: Q78DX7, receptor protein-tyrosine kinase
#2: Antibody Fab-RX5 light chain


Mass: 25079.678 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli)
#3: Antibody Fab-RX5 heavy chain


Mass: 25503.346 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli)
#4: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#5: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
Has ligand of interestN
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Receptor tyrosine kinase ROS1 in complex with Fab-RX5 / Type: COMPLEX / Entity ID: #1-#3 / Source: MULTIPLE SOURCES
Source (natural)Organism: Mus musculus (house mouse)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM software
IDNameVersionCategory
1cryoSPARCparticle selection
2PHENIX1.21.2_5419+SVNmodel refinement
13cryoSPARC3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.06 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 166992 / Symmetry type: POINT
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 82.87 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.002811978
ELECTRON MICROSCOPYf_angle_d0.494616338
ELECTRON MICROSCOPYf_chiral_restr0.0421844
ELECTRON MICROSCOPYf_plane_restr0.00382061
ELECTRON MICROSCOPYf_dihedral_angle_d4.16561655

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