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- PDB-2eum: Crystal structure of human Glycolipid Transfer Protein complexed ... -

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Basic information

Entry
Database: PDB / ID: 2eum
TitleCrystal structure of human Glycolipid Transfer Protein complexed with 8:0 Lactosylceramide
ComponentsGlycolipid transfer protein
KeywordsLIPID TRANSPORT / Protein-glycolipid complex
Function / homology
Function and homology information


Glycosphingolipid biosynthesis / glycolipid transfer activity / lipid transfer activity / ceramide 1-phosphate binding / ceramide 1-phosphate transfer activity / ER to Golgi ceramide transport / glycolipid binding / intermembrane lipid transfer / glycosphingolipid metabolic process / response to immobilization stress ...Glycosphingolipid biosynthesis / glycolipid transfer activity / lipid transfer activity / ceramide 1-phosphate binding / ceramide 1-phosphate transfer activity / ER to Golgi ceramide transport / glycolipid binding / intermembrane lipid transfer / glycosphingolipid metabolic process / response to immobilization stress / lipid binding / identical protein binding / cytosol
Similarity search - Function
Glycolipid transfer protein domain / Glycolipid transfer protein superfamily / Glycolipid transfer protein (GLTP) / Glycolipid transfer protein, GLTP / Glycolipid transfer protein / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
beta-lactose / DECANE / OCTANOIC ACID (CAPRYLIC ACID) / N-OCTANE / SPHINGOSINE / Glycolipid transfer protein
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsMalinina, L. / Malakhova, M.L. / Kanack, A.T. / Abagyan, R. / Brown, R.E. / Patel, D.J.
CitationJournal: Plos Biol. / Year: 2006
Title: The liganding of glycolipid transfer protein is controlled by glycolipid acyl structure.
Authors: Malinina, L. / Malakhova, M.L. / Kanack, A.T. / Lu, M. / Abagyan, R. / Brown, R.E. / Patel, D.J.
History
DepositionOct 28, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 14, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Oct 18, 2017Group: Advisory / Refinement description / Category: pdbx_unobs_or_zero_occ_atoms / software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / pdbx_validate_chiral / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.type / _pdbx_validate_chiral.auth_asym_id / _pdbx_validate_chiral.auth_atom_id / _pdbx_validate_chiral.auth_comp_id / _pdbx_validate_chiral.auth_seq_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Aug 23, 2023Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_unobs_or_zero_occ_atoms / struct_conn
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glycolipid transfer protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,9206
Polymers23,8781
Non-polymers1,0435
Water2,756153
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)75.509, 49.264, 68.660
Angle α, β, γ (deg.)90.00, 122.57, 90.00
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-320-

HOH

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Components

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Protein / Sugars , 2 types, 2 molecules A

#1: Protein Glycolipid transfer protein / / GLTP


Mass: 23877.777 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET30 XA-LIC / Production host: Escherichia coli (E. coli) / References: UniProt: Q9NZD2
#2: Polysaccharide beta-D-galactopyranose-(1-4)-beta-D-glucopyranose / beta-lactose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: beta-lactose
DescriptorTypeProgram
DGalpb1-4DGlcpb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5][a2112h-1b_1-5]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[][a-D-Glcp]{[(4+1)][b-D-Galp]{}}LINUCSPDB-CARE

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Non-polymers , 5 types, 157 molecules

#3: Chemical ChemComp-SPH / SPHINGOSINE / Sphingosine


Mass: 299.492 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C18H37NO2
#4: Chemical ChemComp-OCA / OCTANOIC ACID (CAPRYLIC ACID) / Caprylic acid


Mass: 144.211 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H16O2
#5: Chemical ChemComp-OCT / N-OCTANE / Octane


Mass: 114.229 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H18
#6: Chemical ChemComp-D10 / DECANE / Decane


Mass: 142.282 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H22
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 153 / 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: 2.25 Å3/Da / Density % sol: 45.39 %
Crystal growTemperature: 293 K / Method: vapor diffusion / pH: 4.5
Details: 15-20% PEG 3350 or 8000, 50 mM possium phosphate, pH 4.5, VAPOR DIFFUSION, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH3R / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Oct 28, 2005 / Details: mirrors
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.3→20 Å / Num. all: 9584 / Num. obs: 9562 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.6 % / Rmerge(I) obs: 0.095 / Χ2: 1.195
Reflection shellResolution: 2.3→2.38 Å / Redundancy: 3.4 % / Rmerge(I) obs: 0.523 / Num. unique all: 946 / Χ2: 1.481 / % possible all: 99.9

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
REFMAC5.2.0005refinement
PDB_EXTRACT1.701data extraction
CrystalClear(MSC/RIGAKU)data reduction
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2EUK

2euk


Resolution: 2.3→20 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.921 / SU B: 8.634 / SU ML: 0.205 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.462 / ESU R Free: 0.266 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.25 460 4.8 %RANDOM
Rwork0.184 ---
all0.187 9584 --
obs0.187 9562 99.9 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 43.892 Å2
Baniso -1Baniso -2Baniso -3
1--2.31 Å20 Å2-0.58 Å2
2--0.83 Å20 Å2
3---0.86 Å2
Refinement stepCycle: LAST / Resolution: 2.3→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1645 0 70 153 1868
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0221756
X-RAY DIFFRACTIONr_angle_refined_deg1.2592.0052364
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.6015203
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.4324.45974
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.03115297
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.085157
X-RAY DIFFRACTIONr_chiral_restr0.0830.2269
X-RAY DIFFRACTIONr_gen_planes_refined0.0040.021259
X-RAY DIFFRACTIONr_nbd_refined0.1970.2902
X-RAY DIFFRACTIONr_nbtor_refined0.3080.21217
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.170.2121
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.150.237
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2360.25
X-RAY DIFFRACTIONr_mcbond_it0.6691.51054
X-RAY DIFFRACTIONr_mcangle_it1.19621660
X-RAY DIFFRACTIONr_scbond_it1.4943793
X-RAY DIFFRACTIONr_scangle_it2.5124.5704
LS refinement shellResolution: 2.3→2.359 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.357 38 -
Rwork0.227 658 -
obs-696 99.29 %

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