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- PDB-8r52: The complex of Glycogen Phosphorylase with epigallocatechin (EGC). -

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Basic information

Entry
Database: PDB / ID: 8r52
TitleThe complex of Glycogen Phosphorylase with epigallocatechin (EGC).
ComponentsGlycogen phosphorylase, muscle form
KeywordsTRANSFERASE / Glycogen Phosphorylase / Inhibitor / Epigallocatechin
Function / homology
Function and homology information


glycogen phosphorylase / glycogen phosphorylase activity / glycogen catabolic process / skeletal muscle myofibril / pyridoxal phosphate binding / nucleotide binding
Similarity search - Function
Glycosyl transferase, family 35 / Glycogen/starch/alpha-glucan phosphorylase / Phosphorylase pyridoxal-phosphate attachment site / Carbohydrate phosphorylase / Phosphorylase pyridoxal-phosphate attachment site.
Similarity search - Domain/homology
2-(3,4,5-TRIHYDROXY-PHENYL)-CHROMAN-3,5,7-TRIOL / Glycogen phosphorylase, muscle form
Similarity search - Component
Biological speciesOryctolagus cuniculus (rabbit)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsAlexopoulos, S. / Papakostopoulou, S. / Koulas, M.S. / Leonidas, D.D. / Skamnaki, V.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: J.Agric.Food Chem. / Year: 2024
Title: Evidence for the Quercetin Binding Site of Glycogen Phosphorylase as a Target for Liver-Isoform-Selective Inhibitors against Glioblastoma: Investigation of Flavanols Epigallocatechin Gallate and Epigallocatechin.
Authors: Alexopoulos, S. / McGawley, M. / Mathews, R. / Papakostopoulou, S. / Koulas, S. / Leonidas, D.D. / Zwain, T. / Hayes, J.M. / Skamnaki, V.
History
DepositionNov 15, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 30, 2024Provider: repository / Type: Initial release
Revision 1.1Nov 13, 2024Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Glycogen phosphorylase, muscle form
hetero molecules


Theoretical massNumber of molelcules
Total (without water)98,15224
Polymers96,1271
Non-polymers2,02523
Water11,151619
1
A: Glycogen phosphorylase, muscle form
hetero molecules

A: Glycogen phosphorylase, muscle form
hetero molecules


Theoretical massNumber of molelcules
Total (without water)196,30448
Polymers192,2542
Non-polymers4,05046
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation7_556y,x,-z+11
Unit cell
Length a, b, c (Å)125.972, 125.972, 115.169
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212
Components on special symmetry positions
IDModelComponents
11A-1008-

HOH

21A-1584-

HOH

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Components

#1: Protein Glycogen phosphorylase, muscle form / Myophosphorylase


Mass: 96126.758 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Oryctolagus cuniculus (rabbit) / References: UniProt: P00489, glycogen phosphorylase
#2: Chemical...
ChemComp-DMS / DIMETHYL SULFOXIDE


Mass: 78.133 Da / Num. of mol.: 22 / Source method: obtained synthetically / Formula: C2H6OS / Comment: DMSO, precipitant*YM
#3: Chemical ChemComp-EGT / 2-(3,4,5-TRIHYDROXY-PHENYL)-CHROMAN-3,5,7-TRIOL / EPIGALLOCATECHIN


Mass: 306.267 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H14O7 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 619 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
Has protein modificationY

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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: 49.16 %
Crystal growTemperature: 289 K / Method: batch mode / Details: 10 mM BES buffer pH 6.7

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: PETRA III, EMBL c/o DESY / Beamline: P13 (MX1) / Wavelength: 0.9763 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jun 27, 2023
RadiationMonochromator: M / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9763 Å / Relative weight: 1
ReflectionResolution: 2.1→125.97 Å / Num. obs: 48116 / % possible obs: 89 % / Redundancy: 8.5 % / CC1/2: 0.998 / Net I/σ(I): 20.9
Reflection shellResolution: 2.1→2.16 Å / Redundancy: 7.4 % / Mean I/σ(I) obs: 8 / Num. unique obs: 3979 / CC1/2: 0.981 / % possible all: 91.2

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Processing

Software
NameVersionClassification
REFMAC5.8.0267refinement
REFMAC5.8.0267phasing
Aimlessdata scaling
XDSdata reduction
PDB_EXTRACTdata extraction
Cootmodel building
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.1→89.08 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.943 / SU B: 3.881 / SU ML: 0.105 / Cross valid method: THROUGHOUT / ESU R: 0.229 / ESU R Free: 0.182 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.20332 2396 5 %RANDOM
Rwork0.15107 ---
obs0.15372 45736 88.27 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 30.599 Å2
Baniso -1Baniso -2Baniso -3
1--0.01 Å20 Å20 Å2
2---0.01 Å20 Å2
3---0.01 Å2
Refinement stepCycle: 1 / Resolution: 2.1→89.08 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6644 0 110 619 7373
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.0136944
X-RAY DIFFRACTIONr_bond_other_d0.0010.0156669
X-RAY DIFFRACTIONr_angle_refined_deg1.5371.6459383
X-RAY DIFFRACTIONr_angle_other_deg1.3331.57915253
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.765825
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.00621.415417
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.808151203
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.2051563
X-RAY DIFFRACTIONr_chiral_restr0.0790.2864
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.027812
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021701
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it2.4732.9183278
X-RAY DIFFRACTIONr_mcbond_other2.4662.9173277
X-RAY DIFFRACTIONr_mcangle_it3.494.3594099
X-RAY DIFFRACTIONr_mcangle_other3.4914.364100
X-RAY DIFFRACTIONr_scbond_it3.2263.3693666
X-RAY DIFFRACTIONr_scbond_other3.2263.373667
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other4.7224.8875281
X-RAY DIFFRACTIONr_long_range_B_refined6.58235.0138116
X-RAY DIFFRACTIONr_long_range_B_other6.58235.0198117
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.1→2.155 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.239 182 -
Rwork0.154 3385 -
obs--90.67 %

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