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- PDB-3fg1: Crystal structure of Delta413-417:GS LOX -

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Basic information

Entry
Database: PDB / ID: 3fg1
TitleCrystal structure of Delta413-417:GS LOX
ComponentsAllene oxide synthase-lipoxygenase protein
KeywordsOXIDOREDUCTASE / lipoxygenase / arichidonic metabolism / Dioxygenase / Fatty acid biosynthesis / Heme / Iron / Lipid synthesis / Lyase / Membrane / Metal-binding / Multifunctional enzyme / Oxylipin biosynthesis
Function / homology
Function and homology information


arachidonate 8-lipoxygenase / arachidonate 8(R)-lipoxygenase activity / allene oxide synthase activity / Lyases; Carbon-oxygen lyases; Hydro-lyases / oxylipin biosynthetic process / arachidonic acid metabolic process / lipid oxidation / fatty acid biosynthetic process / iron ion binding / heme binding ...arachidonate 8-lipoxygenase / arachidonate 8(R)-lipoxygenase activity / allene oxide synthase activity / Lyases; Carbon-oxygen lyases; Hydro-lyases / oxylipin biosynthetic process / arachidonic acid metabolic process / lipid oxidation / fatty acid biosynthetic process / iron ion binding / heme binding / membrane / cytoplasm
Similarity search - Function
Lipoxygenase, mammalian / Lipoxygenase-1; domain 5 / Lipoxygenase-1; Domain 5 / Nuclear Transport Factor 2; Chain: A, - #60 / PLAT/LH2 domain / Lipoxygenase, conserved site / Lipoxygenases iron-binding region signature 2. / Lipoxygenase, iron binding site / Lipoxygenases iron-binding region signature 1. / Lipoxygenase-1 ...Lipoxygenase, mammalian / Lipoxygenase-1; domain 5 / Lipoxygenase-1; Domain 5 / Nuclear Transport Factor 2; Chain: A, - #60 / PLAT/LH2 domain / Lipoxygenase, conserved site / Lipoxygenases iron-binding region signature 2. / Lipoxygenase, iron binding site / Lipoxygenases iron-binding region signature 1. / Lipoxygenase-1 / Lipoxygenase / Lipoxygenase, C-terminal / Lipoxigenase, C-terminal domain superfamily / Lipoxygenase / Lipoxygenase iron-binding catalytic domain profile. / Lipoxygenase homology 2 (beta barrel) domain / PLAT/LH2 domain / PLAT/LH2 domain superfamily / PLAT/LH2 domain / PLAT domain profile. / Catalase superfamily / Nuclear Transport Factor 2; Chain: A, / Roll / Up-down Bundle / Sandwich / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
ACETIC ACID / : / Allene oxide synthase-lipoxygenase protein
Similarity search - Component
Biological speciesPlexaura homomalla (black sea rod)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.85 Å
AuthorsNeau, D.B. / Newcomer, M.E.
Citation
Journal: Biochemistry / Year: 2009
Title: The 1.85 A structure of an 8R-lipoxygenase suggests a general model for lipoxygenase product specificity.
Authors: Neau, D.B. / Gilbert, N.C. / Bartlett, S.G. / Boeglin, W. / Brash, A.R. / Newcomer, M.E.
#1: Journal: Acta Crystallogr.,Sect.F / Year: 2007
Title: Improving protein crystal quality by selective removal of a Ca(2+)-dependent membrane-insertion loop.
Authors: Neau, D.B. / Gilbert, N.C. / Bartlett, S.G. / Dassey, A. / Newcomer, M.E.
History
DepositionDec 4, 2008Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 18, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.2Nov 1, 2017Group: Advisory / Refinement description / Category: pdbx_unobs_or_zero_occ_atoms / software
Revision 1.3Oct 20, 2021Group: Advisory / Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / 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_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.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_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_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Sep 6, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Allene oxide synthase-lipoxygenase protein
B: Allene oxide synthase-lipoxygenase protein
C: Allene oxide synthase-lipoxygenase protein
D: Allene oxide synthase-lipoxygenase protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)321,89268
Polymers317,6364
Non-polymers4,25664
Water48,0462667
1
A: Allene oxide synthase-lipoxygenase protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)81,05725
Polymers79,4091
Non-polymers1,64824
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Allene oxide synthase-lipoxygenase protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,14912
Polymers79,4091
Non-polymers74011
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
C: Allene oxide synthase-lipoxygenase protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,56919
Polymers79,4091
Non-polymers1,16018
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
4
D: Allene oxide synthase-lipoxygenase protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)80,11712
Polymers79,4091
Non-polymers70811
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
5


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area8730 Å2
ΔGint-44 kcal/mol
Surface area97010 Å2
MethodPISA
Unit cell
Length a, b, c (Å)103.982, 170.224, 104.497
Angle α, β, γ (deg.)90.000, 95.880, 90.000
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
Allene oxide synthase-lipoxygenase protein / Allene oxide synthase / Hydroperoxidehydrase / Arachidonate 8-lipoxygenase


Mass: 79408.992 Da / Num. of mol.: 4
Fragment: Arachidonate 8R-lipoxygenase: UNP residues 374-1066
Mutation: delta 413-417:GS
Source method: isolated from a genetically manipulated source
Details: lipoxygenase portion of an allen-oxide synthase/lipoxygenase fusion protein, expressed with an N-terminal His-Tag.
Source: (gene. exp.) Plexaura homomalla (black sea rod) / Plasmid: pET3a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: O16025, arachidonate 8-lipoxygenase

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Non-polymers , 6 types, 2731 molecules

#2: Chemical
ChemComp-FE2 / FE (II) ION


Mass: 55.845 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Fe
#3: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Ca
#4: Chemical...
ChemComp-ACY / ACETIC ACID / Acetic acid


Mass: 60.052 Da / Num. of mol.: 23 / Source method: obtained synthetically / Formula: C2H4O2
#5: Chemical...
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 23 / Source method: obtained synthetically / Formula: C3H8O3
#6: Chemical
ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Cl
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 2667 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsAUTHORS CLEARLY SEE ISOLEUCINES IN ELECTRON DENSITY INSTEAD OF VALINES PROVIDED IN THE DATABASE ...AUTHORS CLEARLY SEE ISOLEUCINES IN ELECTRON DENSITY INSTEAD OF VALINES PROVIDED IN THE DATABASE SEQUENCE. IT IS UNCLEAR WHETHER THESE DIFFERENCES REPRESENT SPONTANEOUS MUTATIONS OR AN ERROR IN THE DATABASE 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: 2.9 Å3/Da / Density % sol: 57.53 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / pH: 8
Details: 6-8% PEG 8000, 5% Glycerol, 1% Tween 20, 0.2M CaCl2, 0.1M Imidazole acetate, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: CAMD / Beamline: GCPCC / Wavelength: 1.38 Å
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Jun 23, 2007
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.38 Å / Relative weight: 1
ReflectionResolution: 1.85→30 Å / Num. obs: 303426 / % possible obs: 98.8 % / Redundancy: 4 % / Rmerge(I) obs: 0.068 / Χ2: 1.103 / Net I/σ(I): 21.041
Reflection shellResolution: 1.85→1.92 Å / Redundancy: 4 % / Rmerge(I) obs: 0.677 / Mean I/σ(I) obs: 2.1 / Num. unique all: 29990 / Χ2: 1.123 / % possible all: 98

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACT3.006data extraction
MAR345CCDdata collection
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 2FNQ

2fnq


Resolution: 1.85→30 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.95 / WRfactor Rfree: 0.199 / WRfactor Rwork: 0.167 / Occupancy max: 1 / Occupancy min: 0 / FOM work R set: 0.849 / SU B: 2.681 / SU ML: 0.081 / SU R Cruickshank DPI: 0.12 / SU Rfree: 0.117 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.12 / ESU R Free: 0.117 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.209 15295 5 %RANDOM
Rwork0.174 ---
obs0.176 303069 98.63 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 68.41 Å2 / Biso mean: 27.309 Å2 / Biso min: 11.13 Å2
Baniso -1Baniso -2Baniso -3
1-0.35 Å20 Å21.48 Å2
2---0.83 Å20 Å2
3---0.78 Å2
Refinement stepCycle: LAST / Resolution: 1.85→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms21704 0 248 2667 24619
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0150.02123031
X-RAY DIFFRACTIONr_angle_refined_deg1.4091.94331390
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.11452876
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.96924.4851184
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.831153623
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.32715124
X-RAY DIFFRACTIONr_chiral_restr0.1040.23309
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.02118170
X-RAY DIFFRACTIONr_mcbond_it0.8031.513913
X-RAY DIFFRACTIONr_mcangle_it1.412222432
X-RAY DIFFRACTIONr_scbond_it2.36839118
X-RAY DIFFRACTIONr_scangle_it3.7184.58886
LS refinement shellResolution: 1.85→1.9 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.303 1119 -
Rwork0.255 20867 -
all-21986 -
obs--97.18 %

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