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- PDB-1vl9: Atomic resolution (0.97A) structure of the triple mutant (K53,56,... -

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Entry
Database: PDB / ID: 1vl9
TitleAtomic resolution (0.97A) structure of the triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2
ComponentsPhospholipase A2
KeywordsHYDROLASE / Alpha Helix / Beta Sheet / Triple mutant / Calcium ion
Function / homology
Function and homology information


Acyl chain remodelling of PS / Acyl chain remodelling of PG / Synthesis of PA / Acyl chain remodelling of PC / Acyl chain remodelling of PE / Acyl chain remodelling of PI / positive regulation of podocyte apoptotic process / phosphatidylglycerol metabolic process / calcium-dependent phospholipase A2 activity / phosphatidylcholine metabolic process ...Acyl chain remodelling of PS / Acyl chain remodelling of PG / Synthesis of PA / Acyl chain remodelling of PC / Acyl chain remodelling of PE / Acyl chain remodelling of PI / positive regulation of podocyte apoptotic process / phosphatidylglycerol metabolic process / calcium-dependent phospholipase A2 activity / phosphatidylcholine metabolic process / phospholipase A2 / bile acid binding / arachidonic acid secretion / phospholipid metabolic process / lipid catabolic process / innate immune response in mucosa / phospholipid binding / fatty acid biosynthetic process / positive regulation of fibroblast proliferation / antimicrobial humoral immune response mediated by antimicrobial peptide / antibacterial humoral response / defense response to Gram-positive bacterium / signaling receptor binding / calcium ion binding / cell surface / extracellular space
Similarity search - Function
Phospholipase A2, aspartic acid active site / Phospholipase A2 aspartic acid active site. / Phospholipase A2 / Phospholipase A2, histidine active site / Phospholipase A2 histidine active site. / Phospholipase A2 / Phospholipase A2 domain / Phospholipase A2 / Phospholipase A2 / Phospholipase A2 domain ...Phospholipase A2, aspartic acid active site / Phospholipase A2 aspartic acid active site. / Phospholipase A2 / Phospholipase A2, histidine active site / Phospholipase A2 histidine active site. / Phospholipase A2 / Phospholipase A2 domain / Phospholipase A2 / Phospholipase A2 / Phospholipase A2 domain / Phospholipase A2 domain superfamily / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Biological speciesBos taurus (cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 0.97 Å
AuthorsSekar, K. / Velmurugan, D. / Rajakannan, V. / Gayathri, D. / Poi, M.-J. / Tsai, M.-D. / Dauter, M. / Dauter, Z.
CitationJournal: Acta Crystallogr.,Sect.F / Year: 2005
Title: Atomic resolution (0.97 A) structure of the triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2.
Authors: Sekar, K. / Rajakannan, V. / Gayathri, D. / Velmurugan, D. / Poi, M.J. / Dauter, M. / Dauter, Z. / Tsai, M.D.
History
DepositionJul 15, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 19, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 11, 2017Group: Data collection / Category: reflns_shell
Item: _reflns_shell.number_unique_all / _reflns_shell.percent_possible_all
Revision 1.4Oct 27, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / pdbx_struct_special_symmetry / struct_conn / 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_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_alt_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_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_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.pdbx_ptnr2_label_alt_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_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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Dec 27, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Phospholipase A2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)14,64110
Polymers13,8171
Non-polymers8259
Water4,378243
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)36.934, 23.863, 65.931
Angle α, β, γ (deg.)90.0, 101.47, 90.0
Int Tables number3
Space group name H-MP121
Components on special symmetry positions
IDModelComponents
11A-201-

HOH

21A-399-

HOH

31A-419-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Phospholipase A2 / / Phosphatidylcholine 2-acylhydrolase / Group IB phospholipase A2


Mass: 13816.552 Da / Num. of mol.: 1 / Mutation: K53M, K56M, K121M
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / Gene: PLA2G1B / Production host: Escherichia coli (E. coli) / References: UniProt: P00593, phospholipase A2

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Non-polymers , 5 types, 252 molecules

#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#4: Chemical ChemComp-MRD / (4R)-2-METHYLPENTANE-2,4-DIOL / 2-Methyl-2,4-pentanediol


Mass: 118.174 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#5: Chemical ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL / 2-Methyl-2,4-pentanediol


Mass: 118.174 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 243 / 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: 2.06 Å3/Da / Density % sol: 40.29 %
Crystal growTemperature: 293 K / Method: vapor diffusion / pH: 7.2
Details: 50 mM Tris Buffer, 70% MPD reservoir,17-20Mg/ml prot,5 mM CaCl2 and 60% MPD in the droplet, pH 7.2, temperature 293.0K, VAPOR DIFFUSION

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X9B / Wavelength: 0.979
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: May 26, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 0.97→20 Å / Num. obs: 63929 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 8.5 % / Rmerge(I) obs: 0.051 / Net I/σ(I): 18.82
Reflection shellResolution: 0.97→1 Å / Rmerge(I) obs: 0.486 / Num. unique all: 6666

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Processing

Software
NameClassification
HKL-2000data collection
HKL-2000data reduction
AMoREphasing
SHELXLrefinement
HKL-2000data scaling
RefinementResolution: 0.97→20 Å / σ(F): 0 / σ(I): 0 / Stereochemistry target values: ENGH AND HUBER / Details: SHELX-L
RfactorNum. reflection% reflectionSelection details
Rfree0.134 3377 -RANDOM
Rwork0.106 ---
obs0.114 63926 99.9 %-
all-63926 --
Refinement stepCycle: LAST / Resolution: 0.97→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1070 0 3 314 1387
Refine LS restraintsType: SHELX-L restraint parameters / Dev ideal: 0.019

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