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- PDB-1jxm: CRYSTAL STRUCTURE OF THE GMP BOUND SH3-HOOK-GK FRAGMENT OF PSD-95 -

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Basic information

Entry
Database: PDB / ID: 1jxm
TitleCRYSTAL STRUCTURE OF THE GMP BOUND SH3-HOOK-GK FRAGMENT OF PSD-95
ComponentsPOSTSYNAPTIC DENSITY PROTEIN
KeywordsSTRUCTURAL PROTEIN / MAGUK / postsynaptic density / SH3 domain / guanylate kinase domain
Function / homology
Function and homology information


RHO GTPases activate CIT / neuronal ion channel clustering / positive regulation of AMPA glutamate receptor clustering / P2Y1 nucleotide receptor binding / Neurexins and neuroligins / beta-1 adrenergic receptor binding / neuroligin family protein binding / regulation of grooming behavior / structural constituent of postsynaptic density / synaptic vesicle maturation ...RHO GTPases activate CIT / neuronal ion channel clustering / positive regulation of AMPA glutamate receptor clustering / P2Y1 nucleotide receptor binding / Neurexins and neuroligins / beta-1 adrenergic receptor binding / neuroligin family protein binding / regulation of grooming behavior / structural constituent of postsynaptic density / synaptic vesicle maturation / positive regulation of neuron projection arborization / receptor localization to synapse / cerebellar mossy fiber / dendritic spine morphogenesis / protein localization to synapse / LGI-ADAM interactions / neuron spine / Trafficking of AMPA receptors / proximal dendrite / negative regulation of receptor internalization / vocalization behavior / juxtaparanode region of axon / Activation of Ca-permeable Kainate Receptor / neuromuscular process controlling balance / dendritic branch / positive regulation of synapse assembly / positive regulation of dendrite morphogenesis / acetylcholine receptor binding / frizzled binding / cellular response to potassium ion / dendritic spine organization / RAF/MAP kinase cascade / NMDA selective glutamate receptor signaling pathway / regulation of NMDA receptor activity / beta-2 adrenergic receptor binding / Synaptic adhesion-like molecules / neurotransmitter receptor localization to postsynaptic specialization membrane / neuron projection terminus / cortical cytoskeleton / AMPA glutamate receptor clustering / locomotory exploration behavior / social behavior / regulation of neuronal synaptic plasticity / AMPA glutamate receptor complex / Unblocking of NMDA receptors, glutamate binding and activation / glutamate receptor binding / D1 dopamine receptor binding / kinesin binding / positive regulation of synaptic transmission / regulation of postsynaptic membrane neurotransmitter receptor levels / ionotropic glutamate receptor binding / dendrite cytoplasm / excitatory synapse / positive regulation of excitatory postsynaptic potential / cell periphery / synaptic membrane / PDZ domain binding / establishment of protein localization / regulation of long-term neuronal synaptic plasticity / neuromuscular junction / cell-cell adhesion / cerebral cortex development / cell junction / postsynaptic density membrane / kinase binding / cell-cell junction / synaptic vesicle / nervous system development / positive regulation of cytosolic calcium ion concentration / protein-containing complex assembly / scaffold protein binding / chemical synaptic transmission / protein phosphatase binding / dendritic spine / postsynaptic membrane / postsynapse / postsynaptic density / neuron projection / signaling receptor binding / synapse / dendrite / protein kinase binding / protein-containing complex binding / glutamatergic synapse / endoplasmic reticulum / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Guanylate Kinase phosphate binding domain / Guanylate Kinase phosphate binding domain / Polyubiquitination (PEST) N-terminal domain of MAGUK / Disks large homologue 1, N-terminal PEST domain / Polyubiquitination (PEST) N-terminal domain of MAGUK / PDZ-associated domain of NMDA receptors / PDZ-associated domain of NMDA receptors / Disks large 1-like / : / Guanylate kinase, conserved site ...Guanylate Kinase phosphate binding domain / Guanylate Kinase phosphate binding domain / Polyubiquitination (PEST) N-terminal domain of MAGUK / Disks large homologue 1, N-terminal PEST domain / Polyubiquitination (PEST) N-terminal domain of MAGUK / PDZ-associated domain of NMDA receptors / PDZ-associated domain of NMDA receptors / Disks large 1-like / : / Guanylate kinase, conserved site / Guanylate kinase-like signature. / Guanylate kinase-like domain profile. / Guanylate kinase-like domain / Guanylate kinase/L-type calcium channel beta subunit / Guanylate kinase / Guanylate kinase homologues. / SH3 Domains / PDZ domain / SH3 domain / PDZ domain profile. / Domain present in PSD-95, Dlg, and ZO-1/2. / PDZ domain / PDZ superfamily / SH3 type barrels. / Src homology 3 domains / SH3-like domain superfamily / Src homology 3 (SH3) domain profile. / SH3 domain / Roll / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
GUANOSINE-5'-MONOPHOSPHATE / GUANIDINE / Disks large homolog 4
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 2 Å
AuthorsTavares, G.A. / Panepucci, E.H. / Brunger, A.T.
CitationJournal: Mol.Cell / Year: 2001
Title: Structural characterization of the intramolecular interaction between the SH3 and guanylate kinase domains of PSD-95.
Authors: Tavares, G.A. / Panepucci, E.H. / Brunger, A.T.
History
DepositionSep 7, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 16, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2023Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_related / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_related.db_name / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 2.0Jul 1, 2026Group: Atomic model / Data collection / Structure summary
Category: atom_site / chem_comp_atom ...atom_site / chem_comp_atom / chem_comp_bond / pdbx_entry_details
Item: _atom_site.auth_atom_id / _atom_site.label_atom_id ..._atom_site.auth_atom_id / _atom_site.label_atom_id / _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 / _chem_comp_bond.atom_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: POSTSYNAPTIC DENSITY PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)35,5316
Polymers34,8131
Non-polymers7185
Water1,56787
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)59.724, 59.724, 209.956
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number92
Space group name H-MP41212

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Components

#1: Protein POSTSYNAPTIC DENSITY PROTEIN / POSTSYNAPTIC DENSITY-95 / PSD-95


Mass: 34812.996 Da / Num. of mol.: 1 / Fragment: SH3-HOOK-GK
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Gene: PSD-95 / Organ: BRAIN / Plasmid: PET28A / Production host: Escherichia coli (E. coli) / Strain (production host): BL21DE3* / References: UniProt: P31016
#2: Chemical ChemComp-5GP / GUANOSINE-5'-MONOPHOSPHATE


Mass: 363.221 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H14N5O8P
#3: Chemical ChemComp-GAI / GUANIDINE


Mass: 59.070 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CH5N3
#4: Chemical ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL


Mass: 118.174 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 87 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationN

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 2

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Sample preparation

CrystalDensity Matthews: 2.69 Å3/Da / Density % sol: 54.24 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.7
Details: 2-methyl-2,4-pentanediol, HEPES buffer, guanidine, pH 7.7, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K
Crystal grow
*PLUS
Temperature: 4 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails (eV)
18 mg/mlprotein1drop
25 mMGMP1drop
3100 mMHEPES1reservoirpH7.7
450 %MPD1reservoir
51 mMguanidine1reservoir

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21001
Diffraction source
SourceSiteBeamlineIDWavelength (Å)
SYNCHROTRONSSRL BL11-110.964818
SYNCHROTRONSSRL BL9-220.978996, 0.904964
Detector
TypeIDDetectorDate
ADSC QUANTUM 41CCDMay 12, 2001
ADSC QUANTUM 42CCDMay 16, 2001
Radiation
IDMonochromatorProtocolMonochromatic (M) / Laue (L)Scattering typeWavelength-ID
1Flat mirror (vFlat mirror (vertical focusing), single crystal Si(111) bent monochromator (horizontal focusing)SINGLE WAVELENGTHMx-ray1
2double crystal monochromatorMADMx-ray1
Radiation wavelength
IDWavelength (Å)Relative weight
10.9648181
20.9789961
30.9049641
ReflectionResolution: 2→22.72 Å / Num. all: 26060 / Num. obs: 25218 / % possible obs: 95.6 % / Observed criterion σ(F): 1 / Redundancy: 6.6 % / Biso Wilson estimate: 21.8 Å2 / Rsym value: 0.042
Reflection shellResolution: 2→2.03 Å / Redundancy: 7 % / Num. unique all: 1263 / Rsym value: 0.135 / % possible all: 98.8
Reflection
*PLUS
Num. obs: 26060 / % possible obs: 97.5 % / Rmerge(I) obs: 0.042
Reflection shell
*PLUS
% possible obs: 98.8 % / Rmerge(I) obs: 0.135

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
CNS1.1phasing
RefinementMethod to determine structure: MAD / Resolution: 2→22.72 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 2161953.84 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 1 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.26 4568 9.8 %RANDOM
Rwork0.237 ---
obs0.237 46739 95.6 %-
all-48653 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 61.4218 Å2 / ksol: 0.405815 e/Å3
Displacement parametersBiso mean: 37 Å2
Baniso -1Baniso -2Baniso -3
1-5.25 Å20 Å20 Å2
2--5.25 Å20 Å2
3----10.49 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.31 Å0.26 Å
Luzzati d res low-5 Å
Luzzati sigma a0.18 Å0.12 Å
Refinement stepCycle: LAST / Resolution: 2→22.72 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2069 0 48 87 2204
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.25
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_deg5.1
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d26.8
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d6.24
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.211.5
X-RAY DIFFRACTIONc_mcangle_it1.912
X-RAY DIFFRACTIONc_scbond_it2.242
X-RAY DIFFRACTIONc_scangle_it3.072.5
LS refinement shellResolution: 2→2.13 Å / Rfactor Rfree error: 0.01 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.285 741 10 %
Rwork0.245 6689 -
obs--90.8 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3PROSTHETIC.PARAMPROSTHETIC.TOP
Software
*PLUS
Name: CNS / Version: 1.1 / Classification: refinement
Refinement
*PLUS
σ(F): 1 / % reflection Rfree: 9.8 % / Rfactor Rfree: 0.26
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 37 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_angle_deg5.1
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg26.8
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg6.24
X-RAY DIFFRACTIONc_mcbond_it1.211.5
X-RAY DIFFRACTIONc_scbond_it2.242
X-RAY DIFFRACTIONc_mcangle_it1.912
X-RAY DIFFRACTIONc_scangle_it3.072.5
LS refinement shell
*PLUS
Rfactor Rfree: 0.285 / % reflection Rfree: 10 % / Rfactor Rwork: 0.245

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