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- PDB-1mk7: CRYSTAL STRUCTURE OF AN INTEGRIN BETA3-TALIN CHIMERA -

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Basic information

Entry
Database: PDB / ID: 1mk7
TitleCRYSTAL STRUCTURE OF AN INTEGRIN BETA3-TALIN CHIMERA
Components
  • Integrin Beta3
  • TALIN
KeywordsSTRUCTURAL PROTEIN / FOCAL ADHESION / INTEGRIN BINDING / FERM DOMAIN / CYTOSKELETON / NPXY MOTIF / PTB DOMAIN
Function / homology
Function and homology information


tube development / : / regulation of serotonin uptake / positive regulation of adenylate cyclase-inhibiting opioid receptor signaling pathway / alpha9-beta1 integrin-ADAM8 complex / regulation of trophoblast cell migration / integrin alphaIIb-beta3 complex / regulation of postsynaptic neurotransmitter receptor diffusion trapping / maintenance of postsynaptic specialization structure / alphav-beta3 integrin-vitronectin complex ...tube development / : / regulation of serotonin uptake / positive regulation of adenylate cyclase-inhibiting opioid receptor signaling pathway / alpha9-beta1 integrin-ADAM8 complex / regulation of trophoblast cell migration / integrin alphaIIb-beta3 complex / regulation of postsynaptic neurotransmitter receptor diffusion trapping / maintenance of postsynaptic specialization structure / alphav-beta3 integrin-vitronectin complex / regulation of extracellular matrix organization / positive regulation of glomerular mesangial cell proliferation / platelet alpha granule membrane / integrin alphav-beta3 complex / negative regulation of lipoprotein metabolic process / alphav-beta3 integrin-PKCalpha complex / fibrinogen binding / blood coagulation, fibrin clot formation / alphav-beta3 integrin-HMGB1 complex / vascular endothelial growth factor receptor 2 binding / negative regulation of lipid transport / positive regulation of vascular endothelial growth factor signaling pathway / regulation of release of sequestered calcium ion into cytosol / Elastic fibre formation / glycinergic synapse / mesodermal cell differentiation / cell-substrate junction assembly / alphav-beta3 integrin-IGF-1-IGF1R complex / platelet-derived growth factor receptor binding / filopodium membrane / extracellular matrix binding / angiogenesis involved in wound healing / positive regulation of vascular endothelial growth factor receptor signaling pathway / regulation of bone resorption / apolipoprotein A-I-mediated signaling pathway / positive regulation of cell adhesion mediated by integrin / apoptotic cell clearance / integrin complex / wound healing, spreading of epidermal cells / heterotypic cell-cell adhesion / positive regulation of fibroblast migration / positive regulation of smooth muscle cell migration / smooth muscle cell migration / Molecules associated with elastic fibres / Mechanical load activates signaling by PIEZO1 and integrins in osteocytes / positive regulation of cell-matrix adhesion / negative chemotaxis / cellular response to insulin-like growth factor stimulus / cell adhesion mediated by integrin / Syndecan interactions / p130Cas linkage to MAPK signaling for integrins / positive regulation of osteoblast proliferation / microvillus membrane / protein disulfide isomerase activity / regulation of postsynaptic neurotransmitter receptor internalization / cell-substrate adhesion / platelet-derived growth factor receptor signaling pathway / PECAM1 interactions / TGF-beta receptor signaling activates SMADs / GRB2:SOS provides linkage to MAPK signaling for Integrins / lamellipodium membrane / positive regulation of bone resorption / fibronectin binding / negative regulation of macrophage derived foam cell differentiation / negative regulation of lipid storage / ECM proteoglycans / Integrin cell surface interactions / positive regulation of T cell migration / negative regulation of endothelial cell apoptotic process / coreceptor activity / cell adhesion molecule binding / cellular response to platelet-derived growth factor stimulus / ruffle / positive regulation of endothelial cell proliferation / Integrin signaling / positive regulation of substrate adhesion-dependent cell spreading / embryo implantation / positive regulation of endothelial cell migration / substrate adhesion-dependent cell spreading / protein kinase C binding / cell-matrix adhesion / Turbulent (oscillatory, disturbed) flow shear stress activates signaling by PIEZO1 and integrins in endothelial cells / response to activity / Signal transduction by L1 / integrin-mediated signaling pathway / positive regulation of smooth muscle cell proliferation / regulation of actin cytoskeleton organization / wound healing / Signaling by high-kinase activity BRAF mutants / MAP2K and MAPK activation / cell-cell adhesion / structural constituent of cytoskeleton / platelet activation / platelet aggregation / VEGFA-VEGFR2 Pathway / ruffle membrane / cellular response to mechanical stimulus / positive regulation of fibroblast proliferation / positive regulation of angiogenesis / Signaling by RAF1 mutants
Similarity search - Function
Talin VBS2 domain / Vinculin-binding site-containing domain / Talin, central / Talin, central domain superfamily / Talin-1/2, rod-segment / : / : / Vinculin Binding Site / Talin, middle domain / Talin, R4 domain ...Talin VBS2 domain / Vinculin-binding site-containing domain / Talin, central / Talin, central domain superfamily / Talin-1/2, rod-segment / : / : / Vinculin Binding Site / Talin, middle domain / Talin, R4 domain / Talin 1-like, rod segment domain / Talin, N-terminal F0 domain / : / N-terminal or F0 domain of Talin-head FERM / Talin IBS2B domain / Acyl-CoA Binding Protein - #10 / I/LWEQ domain / I/LWEQ domain superfamily / I/LWEQ domain / I/LWEQ domain profile. / I/LWEQ domain / Phosphotyrosine-binding domain / IRS-type PTB domain / PTB domain (IRS-1 type) / Acyl-CoA Binding Protein / Alpha-catenin/vinculin-like superfamily / FERM, N-terminal / FERM N-terminal domain / FERM domain signature 1. / FERM conserved site / Integrin beta, epidermal growth factor-like domain 1 / Integrin beta epidermal growth factor like domain 1 / Integrin beta subunit, cytoplasmic domain / Integrin beta cytoplasmic domain / Integrin_b_cyt / Integrin beta tail domain / Integrin EGF domain / Integrin beta subunit, tail / Integrin beta tail domain superfamily / Integrin_B_tail / EGF-like domain, extracellular / EGF-like domain / Integrins beta chain EGF (I-EGF) domain profile. / Integrin beta subunit, VWA domain / Integrin beta subunit / Integrin beta N-terminal / Integrin beta chain VWA domain / Integrin plexin domain / Integrins beta chain EGF (I-EGF) domain signature. / Integrin beta subunits (N-terminal portion of extracellular region) / FERM domain signature 2. / Integrin domain superfamily / FERM central domain / FERM/acyl-CoA-binding protein superfamily / PSI domain / domain found in Plexins, Semaphorins and Integrins / Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB) / FERM central domain / PH-domain like / FERM superfamily, second domain / FERM domain / FERM domain profile. / Band 4.1 domain / Band 4.1 homologues / von Willebrand factor A-like domain superfamily / EGF-like domain signature 1. / EGF-like domain signature 2. / PH-like domain superfamily / Ubiquitin-like domain superfamily / Roll / Up-down Bundle / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
Integrin beta-3 / Talin-1
Similarity search - Component
Biological speciesHomo sapiens (human)
Gallus gallus (chicken)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsGarcia-Alvarez, B. / De Pereda, J.M. / Calderwood, D.A. / Ulmer, T.S. / Critchley, D. / Campbell, I.D. / Ginsberg, M.H. / Liddington, R.C.
CitationJournal: Mol.Cell / Year: 2003
Title: Structural Determinants of Integrin Recognition by Talin
Authors: Garcia-Alvarez, B. / De Pereda, J.M. / Calderwood, D.A. / Ulmer, T.S. / Critchley, D. / Campbell, I.D. / Ginsberg, M.H. / Liddington, R.C.
History
DepositionAug 28, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 28, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 16, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_initial_refinement_model / pdbx_modification_feature / struct_conn / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_label_asym_id / _struct_ref_seq_dif.details
Remark 999SEQUENCE AUTHORS INFORMED THAT THE SEQUENCE OF CHICKEN TALIN IS NOT AVAILABLE IN ANY REFERENCE ...SEQUENCE AUTHORS INFORMED THAT THE SEQUENCE OF CHICKEN TALIN IS NOT AVAILABLE IN ANY REFERENCE DATABASE. THE SEQUENCE HAS BEEN DESCRIBED IN THE PUBLICATION: HEMMINGS, L., REES, D.J.G., OHANIAN, V., BOLTON, S.J., GILMORE, A.P., PATEL, N., PRIDDLE, H., TREVITHICK, J.E., HYNES, R.O., & CRITCHLEY, D.R. (1996). TALIN CONTAINS THREE ACTIN-BINDING SITES EACH OF WHICH IS ADJACENT TO A VINCULIN-BINDING SITE. J. CELL SCI., 109, 2715-2726.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Integrin Beta3
B: TALIN
C: Integrin Beta3
D: TALIN


Theoretical massNumber of molelcules
Total (without water)47,8314
Polymers47,8314
Non-polymers00
Water4,053225
1
A: Integrin Beta3
D: TALIN


Theoretical massNumber of molelcules
Total (without water)23,9162
Polymers23,9162
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1040 Å2
ΔGint-6 kcal/mol
Surface area11760 Å2
MethodPISA
2
B: TALIN
C: Integrin Beta3


Theoretical massNumber of molelcules
Total (without water)23,9162
Polymers23,9162
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1010 Å2
ΔGint-6 kcal/mol
Surface area12480 Å2
MethodPISA
Unit cell
Length a, b, c (Å)48.290, 114.900, 45.749
Angle α, β, γ (deg.)90.00, 98.18, 90.00
Int Tables number4
Space group name H-MP1211
DetailsTHE ASYMMETRIC UNIT CONTAINS TWO BIOLOGICAL HETERODIMERS OF INTEGRIN BETA3 AND TALIN. FIRST ONE IS FORMED BY CHAINS A AND D, AND THE SECOND BY CHAINS B AND C

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Components

#1: Protein/peptide Integrin Beta3


Mass: 1764.912 Da / Num. of mol.: 2 / Fragment: PARTIAL CYTOPLASMIC TAIL (Residues 739-749)
Source method: isolated from a genetically manipulated source
Details: Forms chimera with talin at the N-terminus / Source: (gene. exp.) Homo sapiens (human) / Plasmid: pET15b / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P05106
#2: Protein TALIN


Mass: 22150.656 Da / Num. of mol.: 2
Fragment: F2 AND F3 SUBDOMAINS OF FERM DOMAIN (Residues 209-400)
Source method: isolated from a genetically manipulated source
Details: Forms chimera with Integrin Beta3 at the C-terminus
Source: (gene. exp.) Gallus gallus (chicken) / Plasmid: pET15b / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P54939
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 225 / 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: 2.63 Å3/Da / Density % sol: 53.15 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7
Details: 0.1 M TRIS-HCL, 18% (W/V) PEG-MME 2000, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal grow
*PLUS
Temperature: 4 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
112.5 mg/mlprotein1drop
220 mMTris-HCl1droppH7.0
3150 mM1dropNaCl
42 mMdithiothreitol1drop
50.1 MTris-HCl1reservoirpH7.0
612 %(w/w)PEG2000 MME1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU FR-D / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: May 4, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.2→29.89 Å / Num. obs: 21774 / % possible obs: 87 % / Observed criterion σ(I): -3 / Redundancy: 3.21 % / Biso Wilson estimate: 12.8 Å2 / Rsym value: 0.051 / Net I/σ(I): 23.8
Reflection shellResolution: 2.2→2.28 Å / Mean I/σ(I) obs: 5.1 / Rsym value: 0.199 / % possible all: 48.7
Reflection
*PLUS
Highest resolution: 2.2 Å / Num. measured all: 68410 / Rmerge(I) obs: 0.051
Reflection shell
*PLUS
% possible obs: 48.7 % / Rmerge(I) obs: 0.199

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
CCP4MOLREPmodel building
CNS1.1refinement
CCP4phasing
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1MIX

1mix


Resolution: 2.2→29.89 Å / Rfactor Rfree error: 0.006 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.25 1571 7.4 %RANDOM
Rwork0.205 ---
obs0.205 21363 85.3 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 32.3672 Å2 / ksol: 0.353863 e/Å3
Displacement parametersBiso mean: 25.6 Å2
Baniso -1Baniso -2Baniso -3
1-2.98 Å20 Å20.74 Å2
2---1.98 Å20 Å2
3----1 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.32 Å0.26 Å
Luzzati d res low-5 Å
Luzzati sigma a0.26 Å0.18 Å
Refinement stepCycle: LAST / Resolution: 2.2→29.89 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3309 0 0 225 3534
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d22.8
X-RAY DIFFRACTIONc_improper_angle_d0.74
LS refinement shellResolution: 2.2→2.34 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.275 153 7.3 %
Rwork0.223 1946 -
obs--51 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
Refinement
*PLUS
Highest resolution: 2.2 Å / Lowest resolution: 30 Å / Rfactor Rfree: 0.25
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg22.8
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.74

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