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- PDB-1fk6: STRUCTURAL BASIS OF NON-SPECIFIC LIPID BINDING IN MAIZE LIPID-TRA... -

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Basic information

Entry
Database: PDB / ID: 1fk6
TitleSTRUCTURAL BASIS OF NON-SPECIFIC LIPID BINDING IN MAIZE LIPID-TRANSFER PROTEIN COMPLEXES WITH ALPHA-LINOLENIC ACID REVEALED BY HIGH-RESOLUTION X-RAY CRYSTALLOGRAPHY
ComponentsNON-SPECIFIC LIPID TRANSFER PROTEIN
KeywordsLIPID TRANSPORT / protein-lipid complex
Function / homology
Function and homology information


lipid transport / lipid binding
Similarity search - Function
Plant lipid transfer proteins signature. / Plant non-specific lipid-transfer protein/Par allergen / Plant lipid-transfer and hydrophobic proteins / Hydrophobic Seed Protein / Protease inhibitor/seed storage/LTP family / Plant lipid transfer protein / seed storage protein / trypsin-alpha amylase inhibitor domain family / Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain / Bifunctional inhibitor/plant lipid transfer protein/seed storage helical domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
FORMIC ACID / ALPHA-LINOLENIC ACID / Non-specific lipid-transfer protein
Similarity search - Component
Biological speciesZea mays (maize)
MethodX-RAY DIFFRACTION / molecular replacement / Resolution: 1.9 Å
AuthorsHan, G.W. / Lee, J.Y. / Song, H.K. / Shin, D.H. / Suh, S.W.
CitationJournal: J.Mol.Biol. / Year: 2001
Title: Structural basis of non-specific lipid binding in maize lipid-transfer protein complexes revealed by high-resolution X-ray crystallography.
Authors: Han, G.W. / Lee, J.Y. / Song, H.K. / Chang, C. / Min, K. / Moon, J. / Shin, D.H. / Kopka, M.L. / Sawaya, M.R. / Yuan, H.S. / Kim, T.D. / Choe, J. / Lim, D. / Moon, H.J. / Suh, S.W.
History
DepositionAug 9, 2000Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Jun 6, 2001Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software
Revision 1.4Oct 25, 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 / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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

Downloads & links

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Assembly

Deposited unit
A: NON-SPECIFIC LIPID TRANSFER PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)9,4334
Polymers9,0621
Non-polymers3703
Water1,11762
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)25.04, 50.36, 69.47
Angle α, β, γ (deg.)90., 90., 90.
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein NON-SPECIFIC LIPID TRANSFER PROTEIN


Mass: 9062.161 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Zea mays (maize) / References: UniProt: P19656
#2: Chemical ChemComp-LNL / ALPHA-LINOLENIC ACID


Mass: 278.430 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C18H30O2
#3: Chemical ChemComp-FMT / FORMIC ACID


Mass: 46.025 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CH2O2
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 62 / 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: 2.42 Å3/Da / Density % sol: 49.08 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop
Details: 4.4M Na formate, 0.1M bezene sulfornic acid, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal grow
*PLUS
Temperature: 24.5-25.5 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
14.4 Msodium formate1reservoir
20.1 Mbenzene sulfonic acid1reservoir

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: ENRAF-NONIUS / Detector: AREA DETECTOR / Date: Nov 28, 1999
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionHighest resolution: 1.8 Å / Num. obs: 6996 / % possible obs: 92.6 % / Redundancy: 2.65 % / Rmerge(I) obs: 0.047
Reflection
*PLUS
Num. measured all: 18547

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Processing

Software
NameVersionClassification
MADNESSdata collection
PROFILE-FITTINGPROCEDUREdata reduction
X-PLORmodel building
X-PLOR3.843refinement
MADNESSdata reduction
PROFILE-FITTINGPROCEDUREdata scaling
X-PLORphasing
RefinementMethod to determine structure: molecular replacement
Starting model: (PDB CODE:1MZL)

1mzl


Resolution: 1.9→8 Å / σ(F): 2
RfactorNum. reflection% reflection
Rfree0.274 350 -
Rwork0.207 --
obs0.207 6390 92.6 %
Refinement stepCycle: LAST / Resolution: 1.9→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms625 0 20 71 716
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.015
X-RAY DIFFRACTIONx_angle_deg1.7
Software
*PLUS
Name: X-PLOR / Version: 3.843 / Classification: refinement
Refinement
*PLUS
Highest resolution: 1.9 Å / Lowest resolution: 8 Å / σ(F): 2
Solvent computation
*PLUS
Displacement parameters
*PLUS

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