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- PDB-2o26: Structure of a class III RTK signaling assembly -

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Basic information

Entry
Database: PDB / ID: 2o26
TitleStructure of a class III RTK signaling assembly
Components
  • Kit ligand
  • Mast/stem cell growth factor receptor
KeywordsCYTOKINE/SIGNALING PROTEIN / stem cell factor / receptor tyrosine kinase / class III / receptor-ligand complex / growth factor / cytokine / 4-helix bundle / CYTOKINE-SIGNALING PROTEIN COMPLEX
Function / homology
Function and homology information


positive regulation of myeloid leukocyte differentiation / stem cell factor receptor binding / mast cell migration / positive regulation of hematopoietic progenitor cell differentiation / Regulation of KIT signaling / negative regulation of mast cell apoptotic process / positive regulation of hematopoietic stem cell proliferation / hematopoietic stem cell migration / melanocyte adhesion / positive regulation of pyloric antrum smooth muscle contraction ...positive regulation of myeloid leukocyte differentiation / stem cell factor receptor binding / mast cell migration / positive regulation of hematopoietic progenitor cell differentiation / Regulation of KIT signaling / negative regulation of mast cell apoptotic process / positive regulation of hematopoietic stem cell proliferation / hematopoietic stem cell migration / melanocyte adhesion / positive regulation of pyloric antrum smooth muscle contraction / positive regulation of colon smooth muscle contraction / positive regulation of vascular associated smooth muscle cell differentiation / melanocyte migration / Signaling by SCF-KIT / positive regulation of small intestine smooth muscle contraction / positive regulation of melanocyte differentiation / regulation of bile acid metabolic process / positive regulation of dendritic cell cytokine production / myeloid leukocyte differentiation / positive regulation of mast cell proliferation / mast cell differentiation / mast cell chemotaxis / mast cell apoptotic process / Transcriptional and post-translational regulation of MITF-M expression and activity / Fc receptor signaling pathway / glycosphingolipid metabolic process / mast cell proliferation / RAF/MAP kinase cascade / PIP3 activates AKT signaling / developmental pigmentation / positive regulation of long-term neuronal synaptic plasticity / detection of mechanical stimulus involved in sensory perception of sound / positive regulation of pseudopodium assembly / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / immature B cell differentiation / positive regulation of mast cell cytokine production / lymphoid progenitor cell differentiation / melanocyte differentiation / germ cell migration / erythropoietin-mediated signaling pathway / myeloid progenitor cell differentiation / programmed cell death / positive regulation of Ras protein signal transduction / digestive tract development / neural crest cell migration / positive regulation of leukocyte migration / negative regulation of programmed cell death / lamellipodium assembly / embryonic hemopoiesis / tongue development / megakaryocyte development / mast cell degranulation / pigmentation / positive regulation of Notch signaling pathway / cytokine binding / spermatid development / negative regulation of reproductive process / negative regulation of developmental process / germ cell development / hemopoiesis / somatic stem cell population maintenance / T cell differentiation / ectopic germ cell programmed cell death / hematopoietic progenitor cell differentiation / response to cadmium ion / positive regulation of T cell proliferation / T cell proliferation / ovarian follicle development / extrinsic apoptotic signaling pathway in absence of ligand / transmembrane receptor protein tyrosine kinase activity / SH2 domain binding / acrosomal vesicle / erythrocyte differentiation / epithelial cell proliferation / cytokine activity / cell chemotaxis / positive regulation of receptor signaling pathway via JAK-STAT / filopodium / stem cell differentiation / growth factor activity / placental growth factor receptor activity / response to radiation / insulin receptor activity / vascular endothelial growth factor receptor activity / hepatocyte growth factor receptor activity / macrophage colony-stimulating factor receptor activity / platelet-derived growth factor alpha-receptor activity / platelet-derived growth factor beta-receptor activity / stem cell factor receptor activity / boss receptor activity / protein tyrosine kinase collagen receptor activity / brain-derived neurotrophic factor receptor activity / transmembrane-ephrin receptor activity / GPI-linked ephrin receptor activity / epidermal growth factor receptor activity / fibroblast growth factor receptor activity / cytokine-mediated signaling pathway / insulin-like growth factor receptor activity / : / receptor protein-tyrosine kinase
Similarity search - Function
Stem cell factor / Stem cell factor / Mast/stem cell growth factor receptor / Tyrosine-protein kinase, receptor class III, conserved site / Receptor tyrosine kinase class III signature. / Growth Hormone; Chain: A; - #10 / Four-helical cytokine-like, core / Growth Hormone; Chain: A; / Immunoglobulin / Immunoglobulin domain ...Stem cell factor / Stem cell factor / Mast/stem cell growth factor receptor / Tyrosine-protein kinase, receptor class III, conserved site / Receptor tyrosine kinase class III signature. / Growth Hormone; Chain: A; - #10 / Four-helical cytokine-like, core / Growth Hormone; Chain: A; / Immunoglobulin / Immunoglobulin domain / : / Immunoglobulin subtype 2 / Immunoglobulin C-2 Type / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / Tyrosine-protein kinase, active site / Immunoglobulin subtype / Immunoglobulin / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Immunoglobulin-like fold / Protein kinase domain profile. / Protein kinase domain / Immunoglobulins / Protein kinase-like domain superfamily / Up-down Bundle / Immunoglobulin-like / Sandwich / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
Mast/stem cell growth factor receptor Kit / Kit ligand
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SIRAS / Resolution: 2.5 Å
AuthorsLiu, H. / Chen, X. / Focia, P.J. / He, X.
CitationJournal: Embo J. / Year: 2007
Title: Structural basis for stem cell factor-KIT signaling and activation of class III receptor tyrosine kinases.
Authors: Liu, H. / Chen, X. / Focia, P.J. / He, X.
History
DepositionNov 29, 2006Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 13, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Database references / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_validate_chiral / struct_asym / struct_conn / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _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_comp_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_comp_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 20, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 2.2Dec 27, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond
Revision 2.3Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Kit ligand
B: Kit ligand
E: Kit ligand
F: Kit ligand
X: Mast/stem cell growth factor receptor
Y: Mast/stem cell growth factor receptor
U: Mast/stem cell growth factor receptor
W: Mast/stem cell growth factor receptor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)199,50616
Polymers194,8778
Non-polymers4,6288
Water31,1661730
1
A: Kit ligand
B: Kit ligand
X: Mast/stem cell growth factor receptor
Y: Mast/stem cell growth factor receptor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,7538
Polymers97,4394
Non-polymers2,3144
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
E: Kit ligand
F: Kit ligand
U: Mast/stem cell growth factor receptor
W: Mast/stem cell growth factor receptor
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,7538
Polymers97,4394
Non-polymers2,3144
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)76.849, 200.154, 82.023
Angle α, β, γ (deg.)90.00, 91.42, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
Kit ligand / C-kit ligand / Stem cell factor / SCF / Mast cell growth factor / MGF / Hematopoietic growth factor ...C-kit ligand / Stem cell factor / SCF / Mast cell growth factor / MGF / Hematopoietic growth factor KL / Steel factor


Mass: 16444.766 Da / Num. of mol.: 4 / Fragment: residues 28-166 / Mutation: N146Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Kitlg, Kitl, Mgf, Sl, Slf / Plasmid: pAcGP67A / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P20826
#2: Protein
Mast/stem cell growth factor receptor / SCFR / Proto-oncogene tyrosine-protein kinase Kit / c-kit / CD117 antigen


Mass: 32274.564 Da / Num. of mol.: 4 / Fragment: residues 25-314
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Gene: Kit, Sl / Plasmid: pGEX-4T-1 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21
References: UniProt: P05532, receptor protein-tyrosine kinase
#3: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 570.542 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4[LFucpb1-6]DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1221m-1b_1-5]/1-1-2/a4-b1_a6-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}[(6+1)][b-L-Fucp]{}}}LINUCSPDB-CARE
#4: Polysaccharide
alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1a_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][a-D-Manp]{}}}}LINUCSPDB-CARE
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1730 / 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 / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.18 Å3/Da / Density % sol: 61.35 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6
Details: PEG, MES, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 5ID-B / Wavelength: 1 Å
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Apr 12, 2005
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.5→20 Å / Num. obs: 82592 / % possible obs: 96.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.9 % / Biso Wilson estimate: 26.3 Å2 / Rmerge(I) obs: 0.04 / Net I/σ(I): 17.1
Reflection shellResolution: 2.5→2.6 Å / Redundancy: 2.9 % / Rmerge(I) obs: 0.389 / Mean I/σ(I) obs: 2.6 / % possible all: 93.3

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Processing

Software
NameVersionClassification
CNS1.1refinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
SOLVEphasing
RefinementMethod to determine structure: SIRAS / Resolution: 2.5→19.93 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 2913310.31 / 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
Rfree0.27 4155 5 %RANDOM
Rwork0.237 ---
obs0.237 82454 96.7 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 46.8781 Å2 / ksol: 0.21433 e/Å3
Displacement parametersBiso mean: 98 Å2
Baniso -1Baniso -2Baniso -3
1-0.75 Å20 Å24.11 Å2
2--15.28 Å20 Å2
3----16.03 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.49 Å0.43 Å
Luzzati d res low-5 Å
Luzzati sigma a0.76 Å0.7 Å
Refinement stepCycle: LAST / Resolution: 2.5→19.93 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13066 0 308 1730 15104
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d25.3
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.1
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 2.5→2.66 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.417 648 4.9 %
Rwork0.402 12641 -
obs--93.7 %
Xplor file
Refine-IDSerial noParam file
X-RAY DIFFRACTION1protein_rep.param
X-RAY DIFFRACTION2water_rep.param
X-RAY DIFFRACTION3carbohydrate.param
X-RAY DIFFRACTION4ion.param
X-RAY DIFFRACTION5

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