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- PDB-8tfl: Ricin in complex with Fab SylH3 -

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Basic information

Entry
Database: PDB / ID: 8tfl
TitleRicin in complex with Fab SylH3
Components
  • Ricin A chain
  • Ricin B chain
  • SylH3 Fab heavy chain
  • SylH3 Fab light chain
KeywordsTOXIN / Ricin toxin / monoclonal antibody
Function / homology
Function and homology information


rRNA N-glycosylase / rRNA N-glycosylase activity / AMP binding / defense response / toxin activity / carbohydrate binding / killing of cells of another organism / negative regulation of translation
Similarity search - Function
Ribosome-inactivating protein conserved site / Shiga/ricin ribosomal inactivating toxins active site signature. / 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 ...Ribosome-inactivating protein conserved site / Shiga/ricin ribosomal inactivating toxins active site signature. / 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
Similarity search - Domain/homology
2-acetamido-2-deoxy-alpha-D-glucopyranose / Ricin
Similarity search - Component
Biological speciesMus musculus (house mouse)
Ricinus communis (castor bean)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.89 Å
AuthorsRudolph, M.J. / Mantis, N.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)HHSN272201400021C United States
CitationJournal: Biochemistry / Year: 2023
Title: Structural Basis of Antibody-Mediated Inhibition of Ricin Toxin Attachment to Host Cells.
Authors: Vance, D.J. / Rudolph, M.J. / Davis, S.A. / Mantis, N.J.
History
DepositionJul 11, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 17, 2024Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
L: SylH3 Fab light chain
H: SylH3 Fab heavy chain
A: Ricin A chain
B: Ricin B chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)106,1088
Polymers104,6234
Non-polymers1,4844
Water79344
1
A: Ricin A chain
B: Ricin B chain
hetero molecules

L: SylH3 Fab light chain
H: SylH3 Fab heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)106,1088
Polymers104,6234
Non-polymers1,4844
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_544-x,y-1/2,-z-11
Buried area9310 Å2
ΔGint-25 kcal/mol
Surface area39710 Å2
MethodPISA
Unit cell
Length a, b, c (Å)49.420, 126.927, 102.027
Angle α, β, γ (deg.)90.00, 92.74, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 2 types, 2 molecules AB

#3: Protein Ricin A chain / rRNA N-glycosidase


Mass: 29087.754 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Ricinus communis (castor bean) / References: UniProt: P02879, rRNA N-glycosylase
#4: Protein Ricin B chain


Mass: 28918.502 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Ricinus communis (castor bean) / References: UniProt: P02879

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Antibody , 2 types, 2 molecules LH

#1: Antibody SylH3 Fab light chain


Mass: 23327.926 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Production host: Cricetulus griseus (Chinese hamster)
#2: Antibody SylH3 Fab heavy chain


Mass: 23288.859 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Production host: Cricetulus griseus (Chinese hamster)

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Sugars , 2 types, 3 molecules

#5: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAca1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1a_1-5_2*NCC/3=O][a2122h-1b_1-5_2*NCC/3=O]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[][<C8N1O3>]{[(1+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#7: Sugar ChemComp-NDG / 2-acetamido-2-deoxy-alpha-D-glucopyranose / N-acetyl-alpha-D-glucosamine / 2-acetamido-2-deoxy-alpha-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / 2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE / N-Acetylglucosamine


Type: D-saccharide, alpha linking / Mass: 221.208 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-a-D-glucopyranosamineCOMMON NAMEGMML 1.0
a-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 2 types, 45 molecules

#6: Chemical ChemComp-2PE / NONAETHYLENE GLYCOL / Polyethylene glycol


Mass: 414.488 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C18H38O10 / Comment: precipitant*YM
#8: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 44 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN

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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: 3.06 Å3/Da / Density % sol: 59.74 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / Details: 1.5 M ammonium fluoride and 20% PEG 3,350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU MICROMAX-007 HF / Wavelength: 1.54 Å
DetectorType: RIGAKU SATURN 944 / Detector: CCD / Date: Feb 1, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 2.89→50 Å / Num. obs: 27100 / % possible obs: 97 % / Redundancy: 8 % / CC1/2: 0.44 / Net I/σ(I): 8
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2CC starRpim(I) allRrim(I) allΧ2% possible all
2.89-2.953.93.96712430.4420.7832.1614.5620.95990
2.95-34.32.2512780.4480.7871.1652.5550.98792.7
3-3.064.91.88212980.6250.8770.922.1070.97993
3.06-3.125.31.09913160.6770.8990.5111.2180.97693.4
3.12-3.195.80.80212960.7860.9380.3550.881194.9
3.19-3.275.90.59813210.8230.950.260.6550.97796.1
3.27-3.356.30.48613550.8980.9730.2040.5291.0296.2
3.35-3.446.60.43113460.9060.9750.1770.4681.04797.4
3.44-3.5470.31713700.9390.9840.1270.3421.09696.5
3.54-3.657.90.24113520.9670.9910.0910.2581.27998.6
3.65-3.788.70.20613730.9740.9930.0750.221.65798.3
3.78-3.949.30.20313810.9890.9970.070.2151.17699
3.94-4.119.60.16114070.9940.9980.0550.1711.28998.4
4.11-4.339.80.12413510.9960.9990.0420.1311.45999.5
4.33-4.69.90.10213860.9960.9990.0350.1081.77398.9
4.6-4.96100.09214030.9980.9990.0310.0971.37599
4.96-5.4610.30.08613830.9970.9990.0280.0911.23899.5
5.46-6.2410.50.08714050.9970.9990.0280.0911.29699.4
6.24-7.8611.30.0713920.99910.0220.0731.43999.8
7.86-5010.50.03814440.99910.0120.041.7399.4

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Processing

Software
NameVersionClassification
PHENIX(1.20.1_4487: ???)refinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2AAI, 4M7K, 3FMG
Resolution: 2.89→43.62 Å / SU ML: 0.55 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 34.06 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2873 1309 4.87 %
Rwork0.2334 --
obs0.2361 26886 95.83 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.89→43.62 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7298 0 84 44 7426
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.002
X-RAY DIFFRACTIONf_angle_d0.506
X-RAY DIFFRACTIONf_dihedral_angle_d13.5572742
X-RAY DIFFRACTIONf_chiral_restr0.0421155
X-RAY DIFFRACTIONf_plane_restr0.0041326
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.89-3.010.43751580.342512X-RAY DIFFRACTION87
3.01-3.150.43411400.35452770X-RAY DIFFRACTION94
3.15-3.310.34121330.30082848X-RAY DIFFRACTION95
3.31-3.520.31771600.28112866X-RAY DIFFRACTION97
3.52-3.790.32921380.25112909X-RAY DIFFRACTION98
3.79-4.170.34571450.25042819X-RAY DIFFRACTION96
4.17-4.780.22751510.19782866X-RAY DIFFRACTION97
4.78-6.020.26661360.20452985X-RAY DIFFRACTION99
6.02-43.620.2181480.18693002X-RAY DIFFRACTION99
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
13.0688-0.7751-0.82875.4173-3.40556.02640.39220.81240.6692-1.5486-0.6233-0.5476-0.10030.40060.22171.21850.16580.15330.61320.15990.581220.978211.7404-48.1609
22.9374-1.6067-0.1764.6715-2.66674.35310.45830.67590.0873-1.1729-0.6639-0.00920.40510.49590.29051.0346-0.00190.02980.47220.06090.554117.386313.3959-45.6933
31.2969-0.0230.9839-0.07270.08220.930.459-0.67110.0467-2.43751.11-0.3272-0.0111-1.2647-1.39842.00930.37110.04631.12110.36660.848611.28530.2719-58.247
46.8717-5.7644-2.85455.97121.24423.21441.30030.48291.1834-0.6745-0.489-0.7819-1.0425-0.6752-0.7371.67710.16140.20130.80520.22890.7839-3.748442.7284-48.7663
53.2199-1.6349-0.4678-0.08250.01110.26491.0492-0.39971.2036-1.1857-0.4871-0.2316-0.2534-0.0553-0.62462.31770.30930.28560.69710.41170.785-0.363242.0806-45.9975
64.15370.5827-0.97770.24520.5511.78060.10630.87642.11540.6182-0.0822-0.7203-0.9682-0.09120.20462.30470.40.41291.06980.46281.4865-4.879251.7327-51.9089
77.5967-3.3447-2.45982.55631.63642.32230.293-0.4393-0.27590.2324-0.50480.5930.2235-1.18140.05260.658-0.0123-0.05160.42170.18920.6134-1.019814.1257-30.5201
85.2996-3.1202-0.48853.1971.69278.1315-0.1673-0.0682-0.2608-0.52560.50020.7019-0.1391-0.3191-0.30360.4996-0.1383-0.12040.44850.14110.49036.09277.3302-33.1838
97.52382.7575-1.97286.7987-3.88718.92330.7397-0.74870.00051.0617-0.25530.49310.46510.3251-0.2250.6139-0.0627-0.15880.4501-0.0090.41412.89575.0312-28.3877
106.3636-2.5432-0.84.88344.56378.20230.0326-0.6025-0.2109-0.11170.1730.236-0.01470.0041-0.06980.4439-0.0486-0.05130.40390.15110.47987.417910.9978-26.7898
113.0219-3.5696-0.64914.78320.71491.38290.54080.1894-0.243-0.4696-0.43570.13220.029-0.2585-0.04520.5924-0.0466-0.13150.42220.07170.44245.799112.4735-35.0525
120.79930.73670.14454.5271.59370.539-0.06860.1255-0.7318-0.54840.25910.5265-1.09920.77250.18211.87590.2781-0.04021.01330.56641.0012-13.193139.5183-52.5945
133.8028-0.72370.59552.8025-1.76596.95370.380.6031-0.2713-1.0266-0.08070.5740.2777-0.082-0.39091.22870.1681-0.180.6240.09650.6691-7.504530.9548-44.7825
144.294-1.31732.75586.3076-5.53934.65150.18290.4627-0.3569-0.0728-0.18890.33070.308-0.65560.18310.9461-0.0954-0.16011.01260.10740.7915-17.243828.889-45.4908
152.8645-2.39372.68413.8218-1.93693.0307-0.379-0.54630.20970.81230.09520.565-1.3406-0.66930.11980.57510.08570.00810.6635-0.04220.510432.5594-9.9159.7021
163.9095-1.73811.66947.63960.99245.7029-0.4562-0.47960.56390.58390.1876-0.5808-0.95570.3810.30130.5756-0.049-0.12760.670.00640.503847.2728-13.118318.2783
172.9401-0.57293.32061.0639-0.01296.2676-0.07280.12860.07110.0356-0.0745-0.2802-0.2080.2470.1310.3333-0.02280.02050.3880.06510.416838.915-19.91370.572
186.59582.03662.2858.3162-0.09517.10350.30240.7836-0.1093-0.5889-0.2524-0.21550.59780.4394-0.2890.50610.08760.0450.44410.07460.419533.1449-19.0633-29.1649
197.79530.75685.21197.2683-1.9248.58910.00220.66880.2462-0.8189-0.5102-0.6943-0.0691.88150.42640.5435-0.01760.09160.75640.1630.421535.5662-12.8415-30.4916
202.2097-2.7730.20573.1019-1.49348.74960.26240.28910.0019-1.6665-0.46180.42130.1425-0.39120.20270.6866-0.0657-0.07020.47860.02910.444525.1253-8.7802-36.949
213.4196-4.20551.09215.718-1.2287.95340.0551-0.0105-0.179-0.0008-0.49470.1789-0.590.3540.44770.2932-0.1172-0.05450.46250.09550.426223.3095-11.8206-26.4428
220.5015-1.27180.65593.5053-2.54814.8605-0.310.39760.06160.13930.365-0.0399-0.0626-0.0398-0.31260.3699-0.1089-0.12970.51250.06370.548223.9559-19.326-21.4048
236.0677-6.0573-5.37115.64975.34445.0038-0.1411-0.26350.31850.650.1294-0.44281.331.2635-0.62550.5216-0.0671-0.12220.56150.26040.588423.0925-32.0112-1.158
247.8664.1164-6.01653.2233-3.49585.437-0.3145-0.228-0.979-0.06730.47571.33910.828-0.1324-0.2230.62490.0088-0.00960.48160.11490.751122.078-34.92-5.699
254.61840.461.66546.93411.96236.8989-0.039-0.4074-0.4532-0.0471-0.13160.91080.4832-0.82130.30580.404-0.0329-0.03240.64660.13060.723615.7974-26.7427-11.6991
264.42171.8267-0.64714.6369-1.36734.7815-0.5063-0.39240.11380.28650.95591.1481-0.5071-1.0839-0.5770.37060.0533-0.01710.62830.27660.725912.573-23.9116-1.6256
279.1407-7.9111-1.81556.27011.45443.4644-1.1325-0.088-1.77461.4567-0.08881.33420.07640.01910.8060.5147-0.06330.02820.66760.28390.648121.8647-22.38271.2297
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'L' and (resid 1 through 75 )
2X-RAY DIFFRACTION2chain 'L' and (resid 76 through 101 )
3X-RAY DIFFRACTION3chain 'L' and (resid 102 through 112 )
4X-RAY DIFFRACTION4chain 'L' and (resid 113 through 149 )
5X-RAY DIFFRACTION5chain 'L' and (resid 150 through 186 )
6X-RAY DIFFRACTION6chain 'L' and (resid 187 through 210 )
7X-RAY DIFFRACTION7chain 'H' and (resid 1 through 17 )
8X-RAY DIFFRACTION8chain 'H' and (resid 18 through 43 )
9X-RAY DIFFRACTION9chain 'H' and (resid 44 through 60 )
10X-RAY DIFFRACTION10chain 'H' and (resid 61 through 99 )
11X-RAY DIFFRACTION11chain 'H' and (resid 100 through 127 )
12X-RAY DIFFRACTION12chain 'H' and (resid 128 through 142 )
13X-RAY DIFFRACTION13chain 'H' and (resid 143 through 192 )
14X-RAY DIFFRACTION14chain 'H' and (resid 193 through 216 )
15X-RAY DIFFRACTION15chain 'A' and (resid 5 through 50 )
16X-RAY DIFFRACTION16chain 'A' and (resid 51 through 160 )
17X-RAY DIFFRACTION17chain 'A' and (resid 161 through 264 )
18X-RAY DIFFRACTION18chain 'B' and (resid 2 through 42 )
19X-RAY DIFFRACTION19chain 'B' and (resid 43 through 66 )
20X-RAY DIFFRACTION20chain 'B' and (resid 67 through 83 )
21X-RAY DIFFRACTION21chain 'B' and (resid 84 through 118 )
22X-RAY DIFFRACTION22chain 'B' and (resid 119 through 139 )
23X-RAY DIFFRACTION23chain 'B' and (resid 140 through 155 )
24X-RAY DIFFRACTION24chain 'B' and (resid 156 through 180 )
25X-RAY DIFFRACTION25chain 'B' and (resid 181 through 221 )
26X-RAY DIFFRACTION26chain 'B' and (resid 222 through 248 )
27X-RAY DIFFRACTION27chain 'B' and (resid 249 through 262 )

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