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- PDB-3sj6: Crystal Structure of the complex of type I ribosome inactivating ... -

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Basic information

Entry
Database: PDB / ID: 3sj6
TitleCrystal Structure of the complex of type I ribosome inactivating protein from momordica balsamina with 5-(hydroxymethyl)oxalane-2,3,4-triol at 1.6 A resolution
ComponentsRibosome inactivating protein
KeywordsHYDROLASE / RIP / RNA N-glycosidase / Plant protein / ribose / inactivation
Function / homology
Function and homology information


rRNA N-glycosylase / rRNA N-glycosylase activity / defense response / toxin activity / negative regulation of translation / nucleotide binding
Similarity search - Function
Ricin (A Subunit), domain 2 / Ricin (A Subunit), domain 2 / Ricin (A subunit); domain 1 / Ricin (A subunit), domain 1 / Ribosome-inactivating protein conserved site / Shiga/ricin ribosomal inactivating toxins active site signature. / Ribosome-inactivating protein type 1/2 / Ribosome-inactivating protein / Ribosome-inactivating protein, subdomain 1 / Ribosome-inactivating protein, subdomain 2 ...Ricin (A Subunit), domain 2 / Ricin (A Subunit), domain 2 / Ricin (A subunit); domain 1 / Ricin (A subunit), domain 1 / Ribosome-inactivating protein conserved site / Shiga/ricin ribosomal inactivating toxins active site signature. / 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 / Few Secondary Structures / Irregular / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
beta-D-ribopyranose / rRNA N-glycosylase
Similarity search - Component
Biological speciesMomordica balsamina (balsam apple)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.6 Å
AuthorsPandey, N. / Kushwaha, G.S. / Sinha, M. / Kaur, P. / Sharma, S. / Singh, T.P.
CitationJournal: Biochim.Biophys.Acta / Year: 2012
Title: Crystal structures of a type-1 ribosome inactivating protein from Momordica balsamina in the bound and unbound states.
Authors: Kushwaha, G.S. / Pandey, N. / Sinha, M. / Singh, S.B. / Kaur, P. / Sharma, S. / Singh, T.P.
History
DepositionJun 21, 2011Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Aug 3, 2011Provider: repository / Type: Initial release
Revision 1.1Mar 28, 2012Group: Database references
Revision 1.2Jul 29, 2020Group: Data collection / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.3Nov 1, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.4Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Ribosome inactivating protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)27,6495
Polymers27,0941
Non-polymers5564
Water5,621312
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)129.972, 129.972, 40.245
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number146
Space group name H-MH3

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Components

#1: Protein Ribosome inactivating protein


Mass: 27093.756 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Momordica balsamina (balsam apple) / References: UniProt: D9J2T9
#2: 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.: 1
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
#3: Sugar ChemComp-RIP / beta-D-ribopyranose / beta-D-ribose / D-ribose / ribose / RIBOSE(PYRANOSE FORM)


Type: D-saccharide, beta linking / Mass: 150.130 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C5H10O5
IdentifierTypeProgram
DRibpbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
b-D-ribopyranoseCOMMON NAMEGMML 1.0
b-D-RibpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
RibSNFG CARBOHYDRATE SYMBOLGMML 1.0
#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.: 312 / Source method: isolated from a natural source / Formula: H2O
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: 2.41 Å3/Da / Density % sol: 49.06 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.7
Details: 14% PEG 6000, 0.1M Sodium Phosphate , pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 77 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: BM14 / Wavelength: 0.97 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Jul 24, 2009 / Details: mirror
RadiationMonochromator: Graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 1.6→65 Å / Num. all: 31379 / Num. obs: 31379 / % possible obs: 99 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 20.3 Å2 / Rsym value: 0.08 / Net I/σ(I): 51.5
Reflection shellResolution: 1.6→1.63 Å / Mean I/σ(I) obs: 4.3 / Rsym value: 0.31 / % possible all: 92.8

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Processing

Software
NameVersionClassification
HKL-2000data collection
AMoREphasing
REFMAC5.5.0110refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1AHA

1aha


Resolution: 1.6→64.99 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.958 / SU B: 1.615 / SU ML: 0.057 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R Free: 0.086 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.19542 1677 5.1 %RANDOM
Rwork0.16978 ---
all0.17109 31379 --
obs0.17108 31379 99.06 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 23.459 Å2
Baniso -1Baniso -2Baniso -3
1--0.74 Å2-0.37 Å20 Å2
2---0.74 Å20 Å2
3---1.11 Å2
Refinement stepCycle: LAST / Resolution: 1.6→64.99 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1911 0 36 312 2259
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0221982
X-RAY DIFFRACTIONr_angle_refined_deg1.3391.9852697
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.1965245
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.2123.92984
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.2215322
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.2541513
X-RAY DIFFRACTIONr_chiral_restr0.0860.2321
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0211475
X-RAY DIFFRACTIONr_mcbond_it0.7391.51227
X-RAY DIFFRACTIONr_mcangle_it1.40621988
X-RAY DIFFRACTIONr_scbond_it2.4073755
X-RAY DIFFRACTIONr_scangle_it3.9234.5709
LS refinement shellResolution: 1.601→1.643 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.247 118 -
Rwork0.245 2163 -
obs--92.46 %

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