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- PDB-1e4o: Phosphorylase recognition and phosphorolysis of its oligosacchari... -

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Basic information

Entry
Database: PDB / ID: 1e4o
TitlePhosphorylase recognition and phosphorolysis of its oligosaccharide substrate: answers to a long outstanding question
ComponentsMALTODEXTRIN PHOSPHORYLASE
KeywordsHYDROLASE / MALTOPENTAOSE / CARBOHYDRATE RECOGNITION / PHOSPHORYLASE / BINARY AND TERNARY OLIGOSACCHARIDE COMPLEXES
Function / homology
Function and homology information


alpha-glucan catabolic process / maltodextrin phosphorylase activity / glycogen phosphorylase / glycogen phosphorylase activity / glycogen catabolic process / pyridoxal phosphate binding / protein homodimerization activity / cytosol / cytoplasm
Similarity search - Function
Glycosyl transferase, family 35 / Glycogen/starch/alpha-glucan phosphorylase / Phosphorylase pyridoxal-phosphate attachment site / Carbohydrate phosphorylase / Phosphorylase pyridoxal-phosphate attachment site. / Glycogen Phosphorylase B; / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PYRIDOXAL-5'-PHOSPHATE / Maltodextrin phosphorylase
Similarity search - Component
Biological speciesESCHERICHIA COLI (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.9 Å
AuthorsWatson, K.A. / McCleverty, C. / Geremia, S. / Cottaz, S. / Driguez, H. / Johnson, L.N.
CitationJournal: Embo J. / Year: 1999
Title: Phosphorylase Recognition and Phosphorylysis of its Oligosaccharide Substrate: Answers to a Long Outstanding Question
Authors: Watson, K.A. / Mccleverty, C. / Geremia, S. / Cottaz, S. / Driguez, H. / Johnson, L.N.
History
DepositionJul 11, 2000Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 16, 2000Provider: repository / Type: Initial release
Revision 1.1Aug 31, 2011Group: Atomic model / Derived calculations ...Atomic model / Derived calculations / Non-polymer description / Other / Structure summary / Version format compliance
Revision 1.2May 30, 2012Group: Other
Revision 1.3May 8, 2019Group: Data collection / Derived calculations ...Data collection / Derived calculations / Experimental preparation / Other
Category: database_PDB_rev / database_PDB_rev_record ...database_PDB_rev / database_PDB_rev_record / exptl_crystal_grow / pdbx_database_proc / pdbx_database_status / struct_conn
Item: _exptl_crystal_grow.method / _pdbx_database_status.recvd_author_approval / _struct_conn.pdbx_leaving_atom_flag
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_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_nonpoly_scheme / pdbx_struct_assembly_gen / struct_asym / 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_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Apr 9, 2025Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / 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: MALTODEXTRIN PHOSPHORYLASE
B: MALTODEXTRIN PHOSPHORYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)183,1466
Polymers180,9942
Non-polymers2,1524
Water6,359353
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4580 Å2
ΔGint-32.8 kcal/mol
Surface area68570 Å2
MethodPQS
Unit cell
Length a, b, c (Å)74.450, 105.690, 214.910
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS oper: (Code: given
Matrix: (-0.668458, 0.739024, 0.083707), (0.739278, 0.647893, 0.183581), (0.081438, 0.184599, -0.979434)
Vector: 9.1769, -17.5392, 118.0577)

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Components

#1: Protein MALTODEXTRIN PHOSPHORYLASE / MALP / ECP


Mass: 90496.984 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ESCHERICHIA COLI (E. coli) / Plasmid: PMAP101 / Strain: DELTA MAL518 / References: UniProt: P00490, glycogen phosphorylase
#2: Polysaccharide alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D- ...alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose


Type: oligosaccharide / Mass: 828.719 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpa1-4DGlcpa1-4DGlcpa1-4DGlcpa1-4DGlcpb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,5,4/[a2122h-1b_1-5][a2122h-1a_1-5]/1-2-2-2-2/a4-b1_b4-c1_c4-d1_d4-e1WURCSPDB2Glycan 1.1.0
[][b-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{[(4+1)][a-D-Glcp]{}}}}}LINUCSPDB-CARE
#3: Chemical ChemComp-PLP / PYRIDOXAL-5'-PHOSPHATE / VITAMIN B6 Phosphate


Mass: 247.142 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H10NO6P
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 353 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationN

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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: 2.34 Å3/Da / Density % sol: 47.34 %
Crystal growMethod: vapor diffusion, hanging drop / pH: 8.5
Details: CO-CRYSTALS OBTAINED FROM A SREEN OF: 26-32% 4K PEG, 0.1-0.6 M LICL, 0.1M TRIS/HCL PH8.5 + G5 (FROM 100MM STOCK)ADDED TO THE HANGING DROP (SEE PUBLICATION FOR DETAILS), pH 8.50
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
126-32 %PEG40001reservoir
20.1-0.6 M1reservoirLiCl
31 MTris-HCl1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX7.2 / Wavelength: 1.488
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Details: MIRRORS
RadiationMonochromator: SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.488 Å / Relative weight: 1
ReflectionResolution: 2.9→50 Å / Num. obs: 38437 / % possible obs: 79.1 % / Redundancy: 2.2 % / Rmerge(I) obs: 0.18
Reflection shellResolution: 2.9→3.1 Å / Redundancy: 2.2 % / % possible all: 75.1
Reflection
*PLUS
Num. measured all: 74406
Reflection shell
*PLUS
% possible obs: 75.1 %

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Processing

Software
NameVersionClassification
X-PLOR3.5refinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.9→50 Å / Cross valid method: THROUGHOUT / σ(F): 0
Details: STRICT NCS APPLIED DISORDERED REGIONS WERE BASED ON THE HIGH RESOLUTION TERNARY COMPLEX AND THE ANALOGOUS BINARY COMPLEX (GSG4-MALP). SEE PUBLICATION FOR DETAILS.
RfactorNum. reflection% reflectionSelection details
Rfree0.306 997 2.6 %RANDOM
Rwork0.245 ---
obs0.245 29646 77.2 %-
Displacement parametersBiso mean: 54.6 Å2
Baniso -1Baniso -2Baniso -3
1-12.562 Å20 Å20 Å2
2--6.009 Å20 Å2
3----18.572 Å2
Refinement stepCycle: LAST / Resolution: 2.9→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms12756 0 142 353 13251
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.008
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.33
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d0.876
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 2.9→3.1 Å / Total num. of bins used: 10 / % reflection obs: 75.1 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMTOPHCSDX.PRO
X-RAY DIFFRACTION2WATER_REP.PARAM
X-RAY DIFFRACTION3CARBOHYDRATE.PARAM

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