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- PDB-4jcz: Human LTC4 synthase in complex with product analogs - implication... -

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Basic information

Entry
Database: PDB / ID: 4jcz
TitleHuman LTC4 synthase in complex with product analogs - implications for enzyme catalysis
ComponentsLeukotriene C4 synthase
KeywordsLYASE / Leukotriene C4 synthase / product analogs / lipid biosynthesis
Function / homology
Function and homology information


Biosynthesis of protectin and resolvin conjugates in tissue regeneration (PCTR and RCTR) / Biosynthesis of maresin conjugates in tissue regeneration (MCTR) / leukotriene-C4 synthase / leukotriene-C4 synthase activity / Biosynthesis of Lipoxins (LX) / Synthesis of 5-eicosatetraenoic acids / leukotriene metabolic process / Transferases; Transferring alkyl or aryl groups, other than methyl groups / Synthesis of Leukotrienes (LT) and Eoxins (EX) / leukotriene biosynthetic process ...Biosynthesis of protectin and resolvin conjugates in tissue regeneration (PCTR and RCTR) / Biosynthesis of maresin conjugates in tissue regeneration (MCTR) / leukotriene-C4 synthase / leukotriene-C4 synthase activity / Biosynthesis of Lipoxins (LX) / Synthesis of 5-eicosatetraenoic acids / leukotriene metabolic process / Transferases; Transferring alkyl or aryl groups, other than methyl groups / Synthesis of Leukotrienes (LT) and Eoxins (EX) / leukotriene biosynthetic process / glutathione peroxidase activity / nuclear outer membrane / long-chain fatty acid biosynthetic process / glutathione transferase activity / enzyme activator activity / nuclear envelope / nuclear membrane / intracellular membrane-bounded organelle / lipid binding / endoplasmic reticulum membrane / endoplasmic reticulum / identical protein binding / membrane
Similarity search - Function
5-lipoxygenase-activating protein / FLAP/GST2/LTC4S, conserved site / : / FLAP/GST2/LTC4S family signature. / Membrane associated eicosanoid/glutathione metabolism-like domain / Membrane-associated, eicosanoid/glutathione metabolism (MAPEG) protein / Membrane associated eicosanoid/glutathione metabolism-like domain superfamily / MAPEG family / Four Helix Bundle (Hemerythrin (Met), subunit A) / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
S-HEXYLGLUTATHIONE / NICKEL (II) ION / PALMITOLEIC ACID / PALMITIC ACID / Leukotriene C4 synthase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.75 Å
AuthorsNiegowski, D. / Rinaldo-Matthis, A. / Haeggstrom, J.Z.
CitationJournal: J.Biol.Chem. / Year: 2014
Title: Crystal Structures of Leukotriene C4 Synthase in Complex with Product Analogs: IMPLICATIONS FOR THE ENZYME MECHANISM.
Authors: Niegowski, D. / Kleinschmidt, T. / Olsson, U. / Ahmad, S. / Rinaldo-Matthis, A. / Haeggstrom, J.Z.
History
DepositionFeb 22, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 1, 2014Provider: repository / Type: Initial release
Revision 1.1Jan 22, 2014Group: Database references
Revision 1.2Mar 12, 2014Group: Database references
Revision 1.3Sep 20, 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_special_symmetry / 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 / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)19,49510
Polymers17,4121
Non-polymers2,0849
Water27015
1
A: Leukotriene C4 synthase
hetero molecules

A: Leukotriene C4 synthase
hetero molecules

A: Leukotriene C4 synthase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)58,48630
Polymers52,2353
Non-polymers6,25127
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation24_544-y,-z-1/2,x-1/21
crystal symmetry operation30_554z+1/2,-x,-y-1/21
Buried area16680 Å2
ΔGint-81 kcal/mol
Surface area19140 Å2
MethodPISA
Unit cell
Length a, b, c (Å)170.281, 170.281, 170.281
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number196
Space group name H-MF23
Components on special symmetry positions
IDModelComponents
11A-201-

NI

21A-202-

SO4

31A-310-

HOH

41A-314-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Leukotriene C4 synthase / LTC4 synthase / Leukotriene-C(4) synthase


Mass: 17411.545 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LTC4S / Production host: Pichia Pastoris (fungus) / References: UniProt: Q16873, leukotriene-C4 synthase

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Non-polymers , 6 types, 24 molecules

#2: Chemical ChemComp-NI / NICKEL (II) ION


Mass: 58.693 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ni
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-PAM / PALMITOLEIC ACID


Mass: 254.408 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C16H30O2
#5: Chemical
ChemComp-PLM / PALMITIC ACID


Mass: 256.424 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C16H32O2
#6: Chemical ChemComp-GTX / S-HEXYLGLUTATHIONE


Mass: 392.491 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C16H30N3O6S
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 15 / 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

Crystal growTemperature: 298 K / Method: vapor diffusion / pH: 6.4
Details: 2.0 M NH4SO4, 0.2 M NaCl, 0.1 M Na-cacadylate, pH 6.4, VAPOR DIFFUSION, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-4 / Wavelength: 0.93928 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Mar 14, 2011
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.93928 Å / Relative weight: 1
ReflectionResolution: 2.75→34.76 Å / Num. all: 10743 / Num. obs: 10743 / % possible obs: 99.9 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 12.5 % / Rsym value: 0.12 / Net I/σ(I): 16.2
Reflection shell

Rmerge(I) obs: 0.016 / Diffraction-ID: 1

Resolution (Å)Redundancy (%)Mean I/σ(I) obsNum. measured allNum. unique allRsym value% possible all
2.75-2.912.70.51974515551.648100
2.9-3.0712.70.71845214571.034100
3.07-3.2912.71.31765713950.602100
3.29-3.5512.62.21631812910.349100
3.55-3.8912.63.51510111980.21100
3.89-4.3512.68.71357210780.086100
4.35-5.0212.411.4119249600.063100
5.02-6.1512.310.4100398150.068100
6.15-8.71214.176926420.045100
8.7-28.78311.518.340533520.03196.2

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Phasing

PhasingMethod: molecular replacement
Phasing MR
Highest resolutionLowest resolution
Rotation6.44 Å28.78 Å
Translation6.44 Å28.78 Å

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Processing

Software
NameVersionClassificationNB
SCALA3.3.20data scaling
PHASER2.5.2phasing
PHENIX1.8.1_1168refinement
PDB_EXTRACT3.11data extraction
ADSCQuantumdata collection
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2UUI

2uui


Resolution: 2.75→28.783 Å / Occupancy max: 1 / Occupancy min: 0.33 / FOM work R set: 0.8057 / SU ML: 0.37 / σ(F): 1.34 / Phase error: 26.23 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.2424 522 4.86 %Random, copied Rfree flag from 2UUI
Rwork0.2118 ---
obs0.2133 10739 99.91 %-
all-10743 --
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 159.27 Å2 / Biso mean: 56.8842 Å2 / Biso min: 23.25 Å2
Refinement stepCycle: LAST / Resolution: 2.75→28.783 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1149 0 93 15 1257
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0111268
X-RAY DIFFRACTIONf_angle_d1.6371701
X-RAY DIFFRACTIONf_chiral_restr0.124188
X-RAY DIFFRACTIONf_plane_restr0.009207
X-RAY DIFFRACTIONf_dihedral_angle_d16.034465
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 4 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all
2.75-3.02730.3361300.262225252655
3.0273-3.46470.29191290.236625332662
3.4647-4.36280.24991220.204125572679
4.3628-28.78430.20781410.200826022743

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