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- PDB-1ldf: CRYSTAL STRUCTURE OF THE E. COLI GLYCEROL FACILITATOR (GLPF) MUTA... -

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Basic information

Entry
Database: PDB / ID: 1ldf
TitleCRYSTAL STRUCTURE OF THE E. COLI GLYCEROL FACILITATOR (GLPF) MUTATION W48F, F200T
ComponentsGlycerol uptake facilitator protein
KeywordsTRANSPORT PROTEIN / GLYCEROL-CONDUCTING MEMBRANE CHANNEL PROTEIN
Function / homology
Function and homology information


glycerol channel activity / glycerol transmembrane transporter activity / urea transmembrane transporter activity / glycerol transmembrane transport / cellular response to mercury ion / channel activity / membrane => GO:0016020 / metal ion binding / plasma membrane
Similarity search - Function
Glycerol uptake facilitator protein / Glycerol uptake facilitator protein. / Major intrinsic protein, conserved site / MIP family signature. / Major intrinsic protein / Major intrinsic protein / Aquaporin-like / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Glycerol uptake facilitator protein / Glycerol uptake facilitator protein
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsNollert, P. / Miercke, L.J.W. / O'Connell, J. / Stroud, R.M.
Citation
Journal: Science / Year: 2002
Title: Control of the selectivity of the aquaporin water channel family by global orientational tuning.
Authors: Tajkhorshid, E. / Nollert, P. / Jensen, M.O. / Miercke, L.J. / O'Connell, J. / Stroud, R.M. / Schulten, K.
#1: Journal: Science / Year: 2000
Title: Structure of a Glycerol-Conducting Channel and the Basis for Its Selectivity
Authors: Fu, D. / Libson, A. / Miercke, L.J. / Weitzman, C. / Nollert, P. / Krucinski, J. / Stroud, R.M.
History
DepositionApr 8, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 8, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _atom_site.occupancy / _chem_comp.mon_nstd_flag ..._atom_site.occupancy / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _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.ptnr1_symmetry / _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.ptnr3_symmetry / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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.ptnr1_symmetry / _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_conn.ptnr2_symmetry
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 27, 2021Group: Database references / Structure summary / Category: chem_comp / database_2 / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 2.2Aug 16, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Remark 650HELIX DETERMINATION METHOD: AUTHOR

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glycerol uptake facilitator protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)30,5327
Polymers29,7151
Non-polymers8186
Water99155
1
A: Glycerol uptake facilitator protein
hetero molecules

A: Glycerol uptake facilitator protein
hetero molecules

A: Glycerol uptake facilitator protein
hetero molecules

A: Glycerol uptake facilitator protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)122,12928
Polymers118,8594
Non-polymers3,27024
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_665-x+1,-y+1,z1
crystal symmetry operation3_655-y+1,x,z1
crystal symmetry operation4_565y,-x+1,z1
Buried area15680 Å2
ΔGint-170 kcal/mol
Surface area36310 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)96.925, 96.925, 185.433
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number97
Space group name H-MI422
Components on special symmetry positions
IDModelComponents
11A-301-

MG

21A-302-

MG

31A-492-

HOH

41A-521-

HOH

51A-522-

HOH

61A-531-

HOH

DetailsThe biological assembly is generated by the crystallographic four-fold axis: X,Y,Z; -X+1, -Y+1, Z; -Y+1,X, Z; Y,-X+1,Z

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Components

#1: Protein Glycerol uptake facilitator protein / Aquaglyceroporin


Mass: 29714.740 Da / Num. of mol.: 1 / Mutation: W48F, F200T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Species (production host): Escherichia coli / Production host: Escherichia coli K12 (bacteria) / Strain (production host): K12 / References: UniProt: P11244, UniProt: P0AER0*PLUS
#2: Sugar ChemComp-BOG / octyl beta-D-glucopyranoside / Beta-Octylglucoside / octyl beta-D-glucoside / octyl D-glucoside / octyl glucoside


Type: D-saccharide / Mass: 292.369 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C14H28O6 / Comment: detergent*YM
IdentifierTypeProgram
b-octylglucosideIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 55 / 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: 3.66 Å3/Da / Density % sol: 66.41 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 9.5
Details: GLPF AT 15-20 MG/ML, 28% (W/V) PEG 2000, 100 MM BICINE pH 9.5, 15 % (V/V) GLYCEROL, 35 MM, N-OCTYL-BETA-D-GLUCOSIDE, MGCL2, 5 MM DTT, pH 9.50, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
pH: 8.9 / Method: unknown
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
115-20 mg/mlprotein11
228 %(w/v)PEG200012
3100 mMbicine12
415 %(v/v)glycerol12
535 mMn-octyl-beta-D-glucoside12
6300 mM12MgCl2
75 mMdithiothreitol12

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ALS / Beamline: 5.0.1 / Wavelength: 1
DetectorType: ADSC / Detector: CCD / Date: Nov 10, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.1→35 Å / Num. obs: 25710 / % possible obs: 97.9 % / Observed criterion σ(I): 0 / Redundancy: 4.786 % / Rmerge(I) obs: 0.085 / Net I/σ(I): 16
Reflection shellResolution: 2.1→2.18 Å / Rmerge(I) obs: 0.363 / % possible all: 89.6
Reflection
*PLUS
Highest resolution: 2.1 Å / Lowest resolution: 35 Å / Num. measured all: 128187 / Rmerge(I) obs: 0.085
Reflection shell
*PLUS
Rmerge(I) obs: 0.363

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Processing

Software
NameClassification
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1FX8

1fx8


Resolution: 2.1→35 Å / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.243 1240 -RANDOM
Rwork0.23 ---
obs-25710 98.1 %-
Refinement stepCycle: LAST / Resolution: 2.1→35 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1894 0 54 55 2003
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0063
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.17
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
Refinement
*PLUS
Highest resolution: 2.1 Å / Lowest resolution: 35 Å / Rfactor obs: 0.23 / Rfactor Rfree: 0.243 / Rfactor Rwork: 0.23
Solvent computation
*PLUS
Displacement parameters
*PLUS

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