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Entry
Database: PDB / ID: 3gci
TitleCrystal Structure of the Complex Formed Between a New Isoform of Phospholipase A2 with C-terminal Amyloid Beta Heptapeptide at 2 A Resolution
Components
  • Heptapeptide from Amyloid beta A4 protein
  • Phospholipase A2 isoform 3
KeywordsHYDROLASE / PHOSPHOLIPASE A2 / HEPTAPEPTIDE / AMYLOID BETA / Lipid degradation / Metal-binding / Secreted
Function / homology
Function and homology information


amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / phospholipase A2 / growth cone filopodium / microglia development / collateral sprouting in absence of injury / calcium-dependent phospholipase A2 activity / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport ...amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / phospholipase A2 / growth cone filopodium / microglia development / collateral sprouting in absence of injury / calcium-dependent phospholipase A2 activity / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport / regulation of Wnt signaling pathway / regulation of synapse structure or activity / axon midline choice point recognition / astrocyte activation involved in immune response / NMDA selective glutamate receptor signaling pathway / regulation of spontaneous synaptic transmission / mating behavior / growth factor receptor binding / peptidase activator activity / arachidonate secretion / Golgi-associated vesicle / PTB domain binding / positive regulation of amyloid fibril formation / Lysosome Vesicle Biogenesis / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / astrocyte projection / neuron remodeling / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / nuclear envelope lumen / dendrite development / positive regulation of protein metabolic process / TRAF6 mediated NF-kB activation / signaling receptor activator activity / Advanced glycosylation endproduct receptor signaling / negative regulation of long-term synaptic potentiation / modulation of excitatory postsynaptic potential / The NLRP3 inflammasome / transition metal ion binding / main axon / regulation of multicellular organism growth / intracellular copper ion homeostasis / ECM proteoglycans / regulation of presynapse assembly / positive regulation of T cell migration / neuronal dense core vesicle / Purinergic signaling in leishmaniasis infection / lipid catabolic process / positive regulation of chemokine production / phospholipid metabolic process / cellular response to manganese ion / Notch signaling pathway / clathrin-coated pit / extracellular matrix organization / neuron projection maintenance / Mitochondrial protein degradation / astrocyte activation / ionotropic glutamate receptor signaling pathway / positive regulation of mitotic cell cycle / axonogenesis / positive regulation of calcium-mediated signaling / response to interleukin-1 / protein serine/threonine kinase binding / cellular response to copper ion / platelet alpha granule lumen / cellular response to cAMP / positive regulation of glycolytic process / central nervous system development / positive regulation of interleukin-1 beta production / adult locomotory behavior / endosome lumen / dendritic shaft / positive regulation of long-term synaptic potentiation / trans-Golgi network membrane / TAK1-dependent IKK and NF-kappa-B activation / learning / positive regulation of JNK cascade / Post-translational protein phosphorylation / locomotory behavior / microglial cell activation / serine-type endopeptidase inhibitor activity / positive regulation of non-canonical NF-kappaB signal transduction / regulation of long-term neuronal synaptic plasticity / synapse organization / cellular response to nerve growth factor stimulus / recycling endosome / visual learning / phospholipid binding / positive regulation of interleukin-6 production / response to lead ion / Golgi lumen / cognition / endocytosis / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / positive regulation of fibroblast proliferation / positive regulation of inflammatory response / cellular response to amyloid-beta / neuron projection development / positive regulation of tumor necrosis factor production / fatty acid biosynthetic process / Platelet degranulation
Similarity search - Function
Phospholipase A2, aspartic acid active site / Phospholipase A2 aspartic acid active site. / Phospholipase A2 / Phospholipase A2 / Amyloidogenic glycoprotein, copper-binding / Amyloidogenic glycoprotein, copper-binding domain conserved site / Phospholipase A2, histidine active site / Amyloidogenic glycoprotein, copper-binding domain superfamily / Copper-binding of amyloid precursor, CuBD / Phospholipase A2 histidine active site. ...Phospholipase A2, aspartic acid active site / Phospholipase A2 aspartic acid active site. / Phospholipase A2 / Phospholipase A2 / Amyloidogenic glycoprotein, copper-binding / Amyloidogenic glycoprotein, copper-binding domain conserved site / Phospholipase A2, histidine active site / Amyloidogenic glycoprotein, copper-binding domain superfamily / Copper-binding of amyloid precursor, CuBD / Phospholipase A2 histidine active site. / Amyloid precursor protein (APP) copper-binding (CuBD) domain signature. / Amyloidogenic glycoprotein, amyloid-beta peptide superfamily / Phospholipase A2 domain / Phospholipase A2 / Phospholipase A2 / Phospholipase A2 domain / Phospholipase A2 domain superfamily / Beta-amyloid peptide (beta-APP) / Amyloidogenic glycoprotein, amyloid-beta peptide / Beta-amyloid precursor protein C-terminal / Amyloidogenic glycoprotein, intracellular domain, conserved site / Beta-amyloid precursor protein C-terminus / Amyloid precursor protein (APP) intracellular domain signature. / Amyloidogenic glycoprotein, extracellular / Amyloidogenic glycoprotein, heparin-binding / Amyloidogenic glycoprotein, E2 domain / E2 domain superfamily / Amyloidogenic glycoprotein, heparin-binding domain superfamily / Amyloid A4 N-terminal heparin-binding / E2 domain of amyloid precursor protein / Amyloid precursor protein (APP) E1 domain profile. / Amyloid precursor protein (APP) E2 domain profile. / amyloid A4 / Amyloidogenic glycoprotein / Proteinase inhibitor I2, Kunitz, conserved site / Pancreatic trypsin inhibitor (Kunitz) family signature. / BPTI/Kunitz family of serine protease inhibitors. / Pancreatic trypsin inhibitor Kunitz domain / Kunitz/Bovine pancreatic trypsin inhibitor domain / Pancreatic trypsin inhibitor (Kunitz) family profile. / Pancreatic trypsin inhibitor Kunitz domain superfamily / PH-like domain superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Amyloid-beta precursor protein / Acidic phospholipase A2 3
Similarity search - Component
Biological speciesNaja sagittifera (cobra)
HOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.04 Å
AuthorsMirza, Z. / Vikram, G. / Singh, N. / Sinha, M. / Bhushan, A. / Sharma, S. / Srinivasan, A. / Kaur, P. / Singh, T.P.
CitationJournal: To be Published
Title: Crystal Structure of the Complex Formed Between a New Isoform of Phospholipase A2 with C-terminal Amyloid Beta Heptapeptide at 2 A Resolution
Authors: Mirza, Z. / Vikram, G. / Singh, N. / Sinha, M. / Bhushan, A. / Sharma, S. / Srinivasan, A. / Kaur, P. / Singh, T.P.
History
DepositionFeb 22, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Mar 10, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Feb 12, 2014Group: Derived calculations
Revision 1.3Nov 1, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_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_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Nov 6, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Phospholipase A2 isoform 3
P: Heptapeptide from Amyloid beta A4 protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)13,7483
Polymers13,7082
Non-polymers401
Water1,67593
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1030 Å2
ΔGint-20 kcal/mol
Surface area6790 Å2
MethodPISA
Unit cell
Length a, b, c (Å)42.679, 42.679, 65.817
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number76
Space group name H-MP41

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Components

#1: Protein Phospholipase A2 isoform 3 / Phosphatidylcholine 2-acylhydrolase


Mass: 13094.520 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Naja sagittifera (cobra) / References: UniProt: P60045, phospholipase A2
#2: Protein/peptide Heptapeptide from Amyloid beta A4 protein


Mass: 613.747 Da / Num. of mol.: 1 / Fragment: UNP residues 707-713 / Source method: obtained synthetically
Details: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. This sequence occurs naturally in humans.
Source: (synth.) HOMO SAPIENS (human) / References: UniProt: P05067
#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 93 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Sequence detailsIN CHAIN A, RESIDUE NUMBER 16 IS SIMPLY SKIPPED. THE AUTHORS BELIEVE THAT THE SEQRES IS CORRECT AND ...IN CHAIN A, RESIDUE NUMBER 16 IS SIMPLY SKIPPED. THE AUTHORS BELIEVE THAT THE SEQRES IS CORRECT AND THESE MUTATIONS ARE PRESENT IN THE DEPOSITED SEQUENCE.

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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: 2.19 Å3/Da / Density % sol: 43.74 %
Crystal growTemperature: 290 K / Method: vapor diffusion, hanging drop / pH: 6
Details: 10mM Sodium phosphate, pH 6.0, 1mM CaCl2, VAPOR DIFFUSION, HANGING DROP, temperature 290K

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Data collection

DiffractionMean temperature: 300 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Sep 23, 2008 / Details: MIRROR
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.04→20 Å / Num. all: 7596 / Num. obs: 7596 / % possible obs: 97.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rsym value: 0.115 / Net I/σ(I): 7.8
Reflection shellResolution: 2.04→2.09 Å / Mean I/σ(I) obs: 2.1 / Rsym value: 0.305 / % possible all: 96.7

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Processing

Software
NameVersionClassification
DENZOdata reduction
MOLREPphasing
REFMAC5.2.0019refinement
AUTOMARdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1MF4

1mf4


Resolution: 2.04→19.51 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.926 / SU B: 4.618 / SU ML: 0.128 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R: 0.232 / ESU R Free: 0.178 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22137 340 4.6 %RANDOM
Rwork0.18436 ---
all0.19 7596 --
obs0.18606 7065 97.91 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 28.418 Å2
Baniso -1Baniso -2Baniso -3
1--0.43 Å20 Å20 Å2
2---0.43 Å20 Å2
3---0.87 Å2
Refinement stepCycle: LAST / Resolution: 2.04→19.51 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms949 0 1 93 1043
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.022972
X-RAY DIFFRACTIONr_angle_refined_deg1.1721.9351319
X-RAY DIFFRACTIONr_dihedral_angle_1_deg4.8845123
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.772548
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.61115145
X-RAY DIFFRACTIONr_dihedral_angle_4_deg13.796155
X-RAY DIFFRACTIONr_chiral_restr0.1030.2138
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.02761
X-RAY DIFFRACTIONr_nbd_refined0.2030.2429
X-RAY DIFFRACTIONr_nbtor_refined0.2990.2649
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1750.265
X-RAY DIFFRACTIONr_metal_ion_refined0.0130.21
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2740.228
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.30.217
X-RAY DIFFRACTIONr_mcbond_it0.7321.5636
X-RAY DIFFRACTIONr_mcangle_it1.4082985
X-RAY DIFFRACTIONr_scbond_it1.8783387
X-RAY DIFFRACTIONr_scangle_it2.9444.5334
LS refinement shellResolution: 2.04→2.092 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.242 28 -
Rwork0.257 493 -
obs--96.66 %

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