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- PDB-1bk2: A-SPECTRIN SH3 DOMAIN D48G MUTANT -

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Basic information

Entry
Database: PDB / ID: 1bk2
TitleA-SPECTRIN SH3 DOMAIN D48G MUTANT
ComponentsA-SPECTRIN
KeywordsSH3-DOMAIN / CYTOSKELETON / CALMODULIN-BINDING / ACTIN-BINDING
Function / homology
Function and homology information


costamere / actin filament capping / cortical actin cytoskeleton / cell projection / actin filament binding / cell junction / actin cytoskeleton organization / calmodulin binding / calcium ion binding / plasma membrane
Similarity search - Function
Alpha Spectrin, SH3 domain / EF-hand, Ca insensitive / Ca2+ insensitive EF hand / Ca2+ insensitive EF hand / Spectrin repeat / Spectrin repeat / Spectrin/alpha-actinin / Spectrin repeats / SH3 Domains / SH3 domain ...Alpha Spectrin, SH3 domain / EF-hand, Ca insensitive / Ca2+ insensitive EF hand / Ca2+ insensitive EF hand / Spectrin repeat / Spectrin repeat / Spectrin/alpha-actinin / Spectrin repeats / SH3 Domains / SH3 domain / EF-hand domain pair / EF-hand, calcium binding motif / Src homology 3 domains / SH3 type barrels. / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / SH3-like domain superfamily / Src homology 3 (SH3) domain profile. / SH3 domain / EF-hand domain / EF-hand domain pair / Roll / Mainly Beta
Similarity search - Domain/homology
Spectrin alpha chain, non-erythrocytic 1
Similarity search - Component
Biological speciesGallus gallus (chicken)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.01 Å
AuthorsMartinez, J.C. / Pisabarro, M.T. / Serrano, L.
Citation
Journal: Nat.Struct.Biol. / Year: 1998
Title: Obligatory steps in protein folding and the conformational diversity of the transition state.
Authors: Martinez, J.C. / Pisabarro, M.T. / Serrano, L.
#1: Journal: Nature / Year: 1992
Title: Crystal Structure of a Src-Homology 3 (SH3) Domain
Authors: Musacchio, A. / Noble, M. / Pauptit, R. / Wierenga, R. / Saraste, M.
History
DepositionJul 14, 1998Processing site: BNL
Revision 1.0Feb 16, 1999Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Other
Category: database_2 / pdbx_database_status / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _struct_ref_seq_dif.details
Revision 1.4Aug 2, 2023Group: 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: A-SPECTRIN


Theoretical massNumber of molelcules
Total (without water)6,6381
Polymers6,6381
Non-polymers00
Water75742
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)33.250, 42.220, 49.870
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein A-SPECTRIN


Mass: 6637.656 Da / Num. of mol.: 1 / Fragment: SH3-DOMAIN / Mutation: D48G
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Gallus gallus (chicken) / Cell line: BL21 / Plasmid: PBR322 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P07751
#2: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 42 / Source method: isolated from a natural source / Formula: H2O

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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: 2.64 Å3/Da / Density % sol: 53.34 %
Crystal growpH: 6 / Details: pH 6.0
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
18 mg/mlprotein1drop
21.1 Mammonium sulfate1reservoir
390 mMsodium citrate1reservoir
490 mMbis-tris-propane1reservoir
50.9 mMEDTA1reservoir
60.9 mMdithiothreitol1reservoir
70.9 mMsodium azide1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: MACSCIENCE / Wavelength: 1.5418
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Jan 1, 1998
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→15 Å / Num. obs: 47630 / % possible obs: 96.5 % / Observed criterion σ(I): 2 / Rmerge(I) obs: 0.044
Reflection shellResolution: 2→2.1 Å / Rmerge(I) obs: 0.121 / % possible all: 95.5
Reflection
*PLUS
Num. obs: 4758 / Num. measured all: 47630
Reflection shell
*PLUS
% possible obs: 95.5 %

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Processing

Software
NameVersionClassification
X-PLOR3.8model building
X-PLOR3.8refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLOR3.8phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1SHG

1shg


Resolution: 2.01→8 Å / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.325 -10 %RANDOM
Rwork0.228 ---
obs0.228 4758 --
Displacement parametersBiso mean: 35.29 Å2
Refinement stepCycle: LAST / Resolution: 2.01→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms579 0 0 42 621
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.015
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.999
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d27.68
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.653
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2PARAM19.SOLTOPH19.SOL
X-RAY DIFFRACTION3TOPH19.PEP
Software
*PLUS
Name: X-PLOR / Version: 3.8 / Classification: refinement
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg27.68
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.653

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