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- PDB-1puu: Mistletoe lectin I in complex with lactose -

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Basic information

Entry
Database: PDB / ID: 1puu
TitleMistletoe lectin I in complex with lactose
Components
  • lectin I A chain
  • lectin I B chain
KeywordsSUGAR BINDING PROTEIN / beta-trefoil
Function / homology
Function and homology information


rRNA N-glycosylase / rRNA N-glycosylase activity / defense response / toxin activity / carbohydrate binding / negative regulation of translation
Similarity search - Function
Ricin (A Subunit), domain 2 / Ricin (A Subunit), domain 2 / Ricin (A subunit); domain 1 / Ricin (A subunit), domain 1 / Ricin-type beta-trefoil lectin domain / Ribosome-inactivating protein type 1/2 / Ribosome-inactivating protein / Ribosome-inactivating protein, subdomain 1 / Ribosome-inactivating protein, subdomain 2 / Ribosome-inactivating protein superfamily ...Ricin (A Subunit), domain 2 / Ricin (A Subunit), domain 2 / Ricin (A subunit); domain 1 / Ricin (A subunit), domain 1 / Ricin-type beta-trefoil lectin domain / Ribosome-inactivating protein type 1/2 / Ribosome-inactivating protein / Ribosome-inactivating protein, subdomain 1 / Ribosome-inactivating protein, subdomain 2 / Ribosome-inactivating protein superfamily / Ribosome inactivating protein / Ricin-type beta-trefoil / Lectin domain of ricin B chain profile. / Ricin B, lectin domain / Ricin B-like lectins / Trefoil (Acidic Fibroblast Growth Factor, subunit A) - #50 / Trefoil (Acidic Fibroblast Growth Factor, subunit A) / Trefoil / Few Secondary Structures / Irregular / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
beta-lactose / 1,4-DIETHYLENE DIOXIDE / Beta-galactoside-specific lectin 1
Similarity search - Component
Biological speciesViscum album (European mistletoe)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsKrauspenhaar, R. / Voelter, W. / Stoeva, S. / Mikhailov, A. / Konareva, N. / Betzel, C.
CitationJournal: Acta Crystallogr.,Sect.F / Year: 2005
Title: Mistletoe lectin I in complex with galactose and lactose reveals distinct sugar-binding properties
Authors: Mikeska, R. / Wacker, R. / Arni, R. / Singh, T.P. / Mikhailov, A. / Gabdoulkhakov, A. / Voelter, W. / Betzel, C.
History
DepositionJun 25, 2003Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Jun 25, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Nov 16, 2011Group: Atomic model
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / diffrn_source / 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_struct_assembly_gen / pdbx_struct_special_symmetry / 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.occupancy / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _diffrn_source.pdbx_synchrotron_site / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_special_symmetry.label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 23, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: lectin I A chain
B: lectin I B chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)59,83231
Polymers55,7532
Non-polymers4,07829
Water5,909328
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2860 Å2
ΔGint-17 kcal/mol
Surface area19590 Å2
MethodPISA
Unit cell
Length a, b, c (Å)106.278, 106.278, 312.329
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number179
Space group name H-MP6522
Components on special symmetry positions
IDModelComponents
11A-2155-

HOH

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Components

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Protein , 2 types, 2 molecules AB

#1: Protein lectin I A chain


Mass: 27226.605 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Viscum album (European mistletoe) / References: UniProt: P81446*PLUS
#2: Protein lectin I B chain


Mass: 28526.795 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Viscum album (European mistletoe) / References: UniProt: P81446*PLUS

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Sugars , 4 types, 6 molecules

#3: Polysaccharide beta-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta- ...beta-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 570.542 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
LFucpb1-3[DGlcpNAcb1-4]DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1221m-1b_1-5]/1-2-1/a3-b1_a4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(3+1)][b-L-Fucp]{}[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#4: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#5: Polysaccharide beta-D-galactopyranose-(1-4)-beta-D-glucopyranose / beta-lactose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 2
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
[][b-D-Glcp]{[(4+1)][b-D-Galp]{}}LINUCSPDB-CARE
#6: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 5 types, 351 molecules

#7: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 16 / Source method: obtained synthetically / Formula: C3H8O3
#8: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Cl
#9: Chemical ChemComp-DIO / 1,4-DIETHYLENE DIOXIDE


Mass: 88.105 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H8O2
#10: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#11: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 328 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY
Sequence detailsA SEQUENCE DATABASE REFERENCE FOR THIS PROTEIN BOTH OF CHAIN A AND B DOES NOT CURRENTLY EXIST.

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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: 4.03 Å3/Da / Density % sol: 69.26 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 2.5
Details: ammonium sulphate, glycin/HCl, lactose, pH 2.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X11 / Wavelength: 0.9073 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Apr 28, 2000 / Details: mirrors
RadiationMonochromator: Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9073 Å / Relative weight: 1
ReflectionResolution: 2.3→25.97 Å / Num. obs: 47510 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 1 / Redundancy: 7 % / Biso Wilson estimate: 38.9 Å2 / Limit h max: 40 / Limit h min: 0 / Limit k max: 23 / Limit k min: 0 / Limit l max: 135 / Limit l min: 0 / Observed criterion F max: 3554903.47 / Observed criterion F min: 10 / Rmerge(I) obs: 0.036 / Rsym value: 0.049 / Net I/σ(I): 36.3
Reflection shellResolution: 2.3→2.34 Å / Redundancy: 6.4 % / Rmerge(I) obs: 0.368 / Mean I/σ(I) obs: 3.93 / Num. unique all: 47288 / Rsym value: 0.322 / % possible all: 99.3

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.3→10 Å / Rfactor Rfree error: 0.005 / Occupancy max: 1 / Occupancy min: 0.2 / Isotropic thermal model: Anisotropic / Cross valid method: THROUGHOUT / σ(F): 3 / σ(I): 3 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.232 2320 5 %random
Rwork0.207 ---
all0.2501 46667 --
obs0.2413 46562 99.8 %-
Solvent computationBsol: 58.328 Å2 / ksol: 0.321446 e/Å3
Displacement parametersBiso max: 100.2 Å2 / Biso mean: 39.16 Å2 / Biso min: 15.9 Å2
Baniso -1Baniso -2Baniso -3
1-3.55 Å25.51 Å20 Å2
2--3.55 Å20 Å2
3----7.09 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.3 Å0.26 Å
Luzzati d res low-5 Å
Luzzati sigma a0.28 Å0.24 Å
Luzzati d res high-2.3
Refinement stepCycle: LAST / Resolution: 2.3→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3921 0 260 328 4509
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.009
X-RAY DIFFRACTIONc_angle_deg1.56
X-RAY DIFFRACTIONc_dihedral_angle_d25.08
X-RAY DIFFRACTIONc_improper_angle_d0.965
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 8

Resolution (Å)Rfactor RfreeNum. reflection Rfree% reflection Rfree (%)Rfactor RworkNum. reflection RworkRfactor Rfree errorNum. reflection allNum. reflection obs% reflection obs (%)
2.3-2.40.3062794.90.30253980.0185716567799.3
2.4-2.530.2612734.80.25854400.0165741571399.5
2.53-2.680.2422824.90.23954370.0145736571999.7
2.68-2.890.2083145.40.20754490.0125781576399.7
2.89-3.170.20928850.2155040.0125813579299.6
3.17-3.610.1923055.20.19455290.0115844583499.8
3.61-4.480.16629850.16856200.015922591899.9
4.48-100.2152814.60.21358650.0136160614699.8
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2carbohydrate.paramcarbohydrate.top
X-RAY DIFFRACTION3ion.paramion.top
X-RAY DIFFRACTION4ligand.paramligand.top
X-RAY DIFFRACTION5water.paramwater.top

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