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- PDB-1snx: CRYSTAL STRUCTURE OF APO INTERLEUKIN-2 TYROSINE KINASE CATALYTIC ... -

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Basic information

Entry
Database: PDB / ID: 1snx
TitleCRYSTAL STRUCTURE OF APO INTERLEUKIN-2 TYROSINE KINASE CATALYTIC DOMAIN
ComponentsTyrosine-protein kinase ITK/TSK
KeywordsTRANSFERASE / PROTEIN KINASE / IMMUNOLOGY
Function / homology
Function and homology information


NK T cell differentiation / gamma-delta T cell activation / Generation of second messenger molecules / cellular defense response / FCERI mediated Ca+2 mobilization / T cell activation / positive regulation of cytokine production / B cell receptor signaling pathway / non-specific protein-tyrosine kinase / non-membrane spanning protein tyrosine kinase activity ...NK T cell differentiation / gamma-delta T cell activation / Generation of second messenger molecules / cellular defense response / FCERI mediated Ca+2 mobilization / T cell activation / positive regulation of cytokine production / B cell receptor signaling pathway / non-specific protein-tyrosine kinase / non-membrane spanning protein tyrosine kinase activity / cell-cell junction / T cell receptor signaling pathway / adaptive immune response / intracellular signal transduction / signal transduction / ATP binding / nucleus / metal ion binding / plasma membrane / cytosol
Similarity search - Function
Tyrosine-protein kinase ITK, SH3 domain / Tyrosine-protein kinase ITK/TSK, catalytic domain / Zinc finger, Btk motif / BTK motif / Zinc finger Btk-type profile. / Bruton's tyrosine kinase Cys-rich motif / : / PH domain / PH domain profile. / Pleckstrin homology domain. ...Tyrosine-protein kinase ITK, SH3 domain / Tyrosine-protein kinase ITK/TSK, catalytic domain / Zinc finger, Btk motif / BTK motif / Zinc finger Btk-type profile. / Bruton's tyrosine kinase Cys-rich motif / : / PH domain / PH domain profile. / Pleckstrin homology domain. / Pleckstrin homology domain / SH3 domain / SH2 domain / Src homology 2 (SH2) domain profile. / Src homology 2 domains / SH2 domain / Src homology 3 domains / SH2 domain superfamily / SH3-like domain superfamily / Src homology 3 (SH3) domain profile. / SH3 domain / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / PH-like domain superfamily / Tyrosine-protein kinase, active site / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Transferase(Phosphotransferase) domain 1 / Transferase(Phosphotransferase); domain 1 / Phosphorylase Kinase; domain 1 / Phosphorylase Kinase; domain 1 / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily / 2-Layer Sandwich / Orthogonal Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Tyrosine-protein kinase ITK/TSK
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 3.2 Å
AuthorsBrown, K. / Long, J.M. / Vial, S.C. / Dedi, N. / Dunster, N.J. / Renwick, S.B. / Tanner, A.J. / Frantz, J.D. / Fleming, M.A. / Cheetham, G.M.T.
CitationJournal: J.Biol.Chem. / Year: 2004
Title: Crystal structures of interleukin-2 tyrosine kinase and their implications for the design of selective inhibitors.
Authors: Brown, K. / Long, J.M. / Vial, S.C. / Dedi, N. / Dunster, N.J. / Renwick, S.B. / Tanner, A.J. / Frantz, J.D. / Fleming, M.A. / Cheetham, G.M.
History
DepositionMar 12, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 20, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 14, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.4Apr 3, 2024Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Tyrosine-protein kinase ITK/TSK
B: Tyrosine-protein kinase ITK/TSK


Theoretical massNumber of molelcules
Total (without water)60,2092
Polymers60,2092
Non-polymers00
Water00
1
A: Tyrosine-protein kinase ITK/TSK


Theoretical massNumber of molelcules
Total (without water)30,1041
Polymers30,1041
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Tyrosine-protein kinase ITK/TSK


Theoretical massNumber of molelcules
Total (without water)30,1041
Polymers30,1041
Non-polymers00
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)39.50, 54.9, 59.2
Angle α, β, γ (deg.)92.5, 85.5, 74.0
Int Tables number1
Space group name H-MP1

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Components

#1: Protein Tyrosine-protein kinase ITK/TSK / T-cell-specific kinase / Tyrosine-protein kinase Lyk / Kinase EMT


Mass: 30104.424 Da / Num. of mol.: 2 / Fragment: CATALYTIC KINASE DOMAIN
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ITK, LYK, EMT / Production host: Escherichia coli (E. coli) / References: UniProt: Q08881, EC: 2.7.1.112

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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: 2.04 Å3/Da / Density % sol: 39.66 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.7
Details: Peg 3350, Ammonium Acetate, MES, DTT, pH 5.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.542
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Jun 26, 2003
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.542 Å / Relative weight: 1
ReflectionResolution: 3.2→20 Å / Num. all: 9901 / Num. obs: 9901 / % possible obs: 86.4 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 1.5 % / Biso Wilson estimate: 79.8 Å2 / Rmerge(I) obs: 0.082 / Rsym value: 0.082 / Net I/σ(I): 10.5
Reflection shellResolution: 3.2→3.37 Å / Redundancy: 1.3 % / Rmerge(I) obs: 0.345 / Mean I/σ(I) obs: 2.1 / Num. unique all: 807 / Rsym value: 0.371 / % possible all: 81.4

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Processing

Software
NameVersionClassification
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
CNXrefinement
CCP4(SCALA)data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: Homology model based on BTK

Resolution: 3.2→20 Å / Cross valid method: THROUGHOUT / σ(F): 3 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.296 659 -RANDOM
Rwork0.241 ---
all0.271 9901 --
obs0.252 4843 49 %-
Refinement stepCycle: LAST / Resolution: 3.2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3912 0 0 0 3912
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.017
X-RAY DIFFRACTIONc_angle_deg2

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