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- PDB-6cwg: Ricin catalytic subunit bound go A9 VHH antibody -

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Basic information

Entry
Database: PDB / ID: 6cwg
TitleRicin catalytic subunit bound go A9 VHH antibody
Components
  • Ricin
  • VHH antibody
KeywordsIMMUNE SYSTEM / Ricin catalytic subunit / VHH 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
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. / Ricin-type beta-trefoil lectin domain / Ribosome-inactivating protein type 1/2 / Ribosome-inactivating protein / Ribosome-inactivating protein, subdomain 1 ...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. / 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 / Few Secondary Structures / Irregular / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesRicinus communis (castor bean)
Vicugna pacos (alpaca)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.6 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: Protein Eng. Des. Sel. / Year: 2018
Title: Contribution of an unusual CDR2 element of a single domain antibody in ricin toxin binding affinity and neutralizing activity.
Authors: Rudolph, M.J. / Vance, D.J. / Kelow, S. / Angalakurthi, S.K. / Nguyen, S. / Davis, S.A. / Rong, Y. / Middaugh, C.R. / Weis, D.D. / Dunbrack Jr., R. / Karanicolas, J. / Mantis, N.J.
History
DepositionMar 30, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 16, 2019Provider: repository / Type: Initial release
Revision 1.1Dec 18, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ricin
B: VHH antibody
C: Ricin
D: VHH antibody
hetero molecules


Theoretical massNumber of molelcules
Total (without water)89,6406
Polymers89,5694
Non-polymers712
Water1,53185
1
A: Ricin
B: VHH antibody


Theoretical massNumber of molelcules
Total (without water)44,7842
Polymers44,7842
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1240 Å2
ΔGint-10 kcal/mol
Surface area17880 Å2
2
C: Ricin
D: VHH antibody
hetero molecules


Theoretical massNumber of molelcules
Total (without water)44,8554
Polymers44,7842
Non-polymers712
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1260 Å2
ΔGint-12 kcal/mol
Surface area17540 Å2
Unit cell
Length a, b, c (Å)76.654, 76.654, 134.331
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number144
Space group name H-MP31

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Components

#1: Protein Ricin /


Mass: 30067.953 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Ricinus communis (castor bean) / Production host: Escherichia coli (E. coli) / References: UniProt: P02879, rRNA N-glycosylase
#2: Antibody VHH antibody


Mass: 14716.448 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Vicugna pacos (alpaca) / Production host: Escherichia coli (E. coli)
#3: Chemical ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 85 / Source method: isolated from a natural source / Formula: H2O

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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: 2.54 Å3/Da / Density % sol: 51.65 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 10.5
Details: 200 mM Lithiuim sulfate, 100 mM CAPS pH 10.5, 2 M Ammonium sulfate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.979 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 23, 2016
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
Reflection twinOperator: h,-h-k,-l / Fraction: 0.5
ReflectionResolution: 2.6→50 Å / Num. obs: 26739 / % possible obs: 100 % / Redundancy: 5.6 % / Rmerge(I) obs: 0.091 / Rpim(I) all: 0.042 / Rrim(I) all: 0.1 / Χ2: 1.577 / Net I/σ(I): 9.1 / Num. measured all: 150691
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2Rpim(I) allRrim(I) allΧ2% possible all
2.6-2.6450.60713180.9490.30.6780.77499.7
2.64-2.695.40.69313590.9550.3280.7670.828100
2.69-2.745.60.53313280.9790.2470.5880.822100
2.74-2.85.70.4513620.9850.2070.4950.853100
2.8-2.865.70.48813210.9720.2240.5370.865100
2.86-2.935.80.41413400.980.190.4560.921100
2.93-35.80.30513050.9890.1390.3350.996100
3-3.085.70.25213570.990.1160.2771.07100
3.08-3.175.80.20813470.9940.0950.2281.069100
3.17-3.285.70.17113100.9940.0780.1881.24100
3.28-3.395.80.13713540.9960.0630.1511.394100
3.39-3.535.70.11213080.9960.0520.1241.59100
3.53-3.695.70.10513620.9970.0480.1161.739100
3.69-3.885.70.09213210.9960.0430.1012.04999.9
3.88-4.135.60.08113410.9950.0380.0892.494100
4.13-4.455.50.07313400.9960.0350.0813.022100
4.45-4.895.50.06513290.9960.0310.0722.912100
4.89-5.65.60.05813430.9980.0270.0642.347100
5.6-7.055.70.0513480.9980.0230.0562.128100
7.05-505.70.0413460.9980.0180.0442.45399.9

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
PHENIX(1.11.1_2575: ???)refinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
PDB_EXTRACT3.24data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.6→47.215 Å / Cross valid method: THROUGHOUT / σ(F): 2.63 / Phase error: 40.23 / Stereochemistry target values: TWIN_LSQ_F
RfactorNum. reflection% reflection
Rfree0.2618 1269 4.67 %
Rwork0.2234 --
obs0.2259 27158 99.95 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.6→47.215 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6018 0 2 85 6105
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0036147
X-RAY DIFFRACTIONf_angle_d0.718342
X-RAY DIFFRACTIONf_dihedral_angle_d10.5583659
X-RAY DIFFRACTIONf_chiral_restr0.043917
X-RAY DIFFRACTIONf_plane_restr0.0051093
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.6013-2.70540.39891420.32882878X-RAY DIFFRACTION95
2.7054-2.82830.36691320.29752920X-RAY DIFFRACTION96
2.8283-2.97720.4091420.29372820X-RAY DIFFRACTION95
2.9772-3.16340.32821280.28882894X-RAY DIFFRACTION96
3.1634-3.40710.30611740.25952811X-RAY DIFFRACTION94
3.4071-3.7490.30051620.24422849X-RAY DIFFRACTION95
3.749-4.28920.30761050.19912930X-RAY DIFFRACTION97
4.2892-5.39530.16651320.17922860X-RAY DIFFRACTION96
5.3953-25.25950.2131520.18912862X-RAY DIFFRACTION95
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)
12.84021.46370.5036.11470.35681.706-0.35080.0919-0.66110.4462-0.0351-0.24231.56320.5550.38491.60330.3390.16150.9943-0.02980.428163.254548.8676-46.8893
23.01661.004-0.53541.14080.20532.8979-0.06460.3347-0.5468-0.0089-0.1309-0.24660.71280.29210.16671.28220.1670.00881.0827-0.06120.231864.957359.2997-49.61
34.53311.10261.69320.7564-1.39967.3599-0.13590.3726-0.3013-0.0687-0.0276-0.13220.7750.04840.14531.01650.16940.05380.9818-0.11270.268857.24361.463-58.7459
42.03060.1377-0.33780.4645-0.0913.7324-0.16830.3218-0.2543-0.10760.02460.0580.7634-0.28260.13131.4107-0.0650.10291.1022-0.1530.1750.683957.4872-56.3119
55.7306-1.02160.50896.96162.03972.0036-0.4111-0.4388-0.8514-0.3894-0.03420.15412.4723-0.85240.42641.718-0.0090.13631.0175-0.03870.420650.274449.0353-37.9353
60.91450.57670.6371.56550.97323.77480.129-0.1840.08390.1854-0.1123-0.0137-0.04270.095-0.02451.06870.19270.00630.9802-0.03180.23556.97168.5083-32.5937
72.2596-1.62740.23853.0601-0.81225.4169-0.06130.1280.0877-0.03970.07460.0897-1.0947-0.472-0.02111.1537-0.0185-0.04491.1374-0.03730.320740.644781.4094-84.0423
82.0983-0.30681.25282.20830.02692.8622-0.0732-0.03510.05560.30040.0917-0.03650.16160.1159-0.00571.0517-0.13090.00361.34120.02230.054347.207970.9396-77.0102
93.8162-0.88671.15547.24722.30878.9777-0.07880.4570.0375-0.43450.1188-0.5754-0.49640.9833-0.03640.977-0.17540.031.19010.00950.382850.447477.6677-79.8988
105.5812-5.7543-5.55676.06916.70812.0001-0.71880.44240.349-0.8547-0.47090.5447-1.16910.37591.19261.0456-0.0893-0.11691.183-0.13590.396547.208481.1411-82.108
113.18291.30551.94524.84961.76621.4062-0.10010.6224-0.04750.1011-0.532-0.2436-0.22820.36250.62391.3049-0.1633-0.23741.4557-0.0750.446446.951676.5774-95.3673
122.7142-3.78595.22255.2794-7.28462.0001-0.10930.09330.1436-0.03830.0459-0.0884-0.68950.08660.0591.0085-0.0140.0921.0725-0.03080.180640.815771.7511-81.463
132.2029-1.3411.30152.7932-1.79534.0559-0.05420.0778-0.0955-0.1362-0.06770.12660.0645-0.14910.10291.0786-0.1191-0.01161.0903-0.01030.198943.826368.4259-78.7255
142.27050.7367-1.34442.31460.08723.3453-0.17240.1279-0.20570.244-0.08810.48250.0175-1.31070.23370.9412-0.00230.09381.5685-0.05130.305915.557838.9956-42.6711
151.0126-0.90560.05662.4043-0.10483.3963-0.0099-0.25870.07140.6377-0.070.1908-0.0257-0.30610.08251.05470.01030.09631.2133-0.00560.222225.126337.6224-29.6523
160.8186-0.5514-0.41591.3905-0.32645.6865-0.0654-0.2122-0.29810.3935-0.03510.30641.0015-0.56350.11141.249-0.26370.20781.26170.0070.292823.858423.6477-38.2725
170.8373-0.1531-0.35061.7073-0.03834.1283-0.1587-0.0264-0.1807-0.1377-0.00220.10390.5583-0.38660.15330.9386-0.02430.05921.22440.00390.197327.254331.4188-57.1256
181.36460.34021.42070.26630.47833.9419-0.09460.5420.0609-0.19640.27140.1253-0.8359-0.1876-0.17910.87440.07150.07061.29530.08180.344727.14745.9858-55.0116
198.68323.46895.89423.13272.11035.2704-0.3772-0.2604-0.333-0.13230.0543-0.1004-0.44230.88470.32541.1780.05640.05380.967-0.00250.368950.660929.0528-6.8761
202.8968-3.4577-3.93377.58718.38172.0002-0.29480.171-0.0613-0.6899-0.82520.3137-1.6273-0.91291.1151.1315-0.05370.03711.1844-0.03560.333449.776734.958-6.132
215.7164-5.09538.36024.5422-7.45262.00031.62761.3395-0.5267-2.0012-0.18420.31440.09361.0688-1.44231.2490.10960.00411.11230.06730.462342.893430.8288-26.8087
221.25540.06570.73380.3170.23420.5504-0.1565-0.0806-0.02620.43850.2998-0.0028-0.1949-0.9481-0.13791.15880.0257-0.04480.90450.06450.216938.771329.6289-9.9723
231.5647-0.12990.48243.9051-3.43423.9902-0.016-0.02820.051-0.15960.03420.13520.245-0.0876-0.03591.20460.05540.05941.1231-0.04940.099835.562833.5081-10.3384
246.49830.97193.01574.4395-0.21552.0007-0.2723-1.24470.6090.6734-0.04010.1452-1.643-0.16210.30541.46420.0636-0.05151.0445-0.01660.387439.861838.9826-7.5627
255.0651-0.4333-1.69884.2574-2.92644.4767-0.09310.12570.3242-0.0336-0.0741-0.0848-1.09391.52590.16451.1405-0.04850.14031.03180.02290.335647.809836.2086-15.8263
262.02131.45522.52781.61440.30667.1784-0.0332-0.37960.25510.3139-0.09910.0853-0.8698-0.2650.1361.21060.01450.0641.126-0.02280.200142.529531.3711-2.9322
276.3407-1.77560.75142.28380.36794.12780.00780.0563-0.28160.191-0.0340.06540.604-0.17280.02911.1859-0.04250.05020.98190.02050.129634.025227.3732-16.8716
284.85531.25340.79516.01697.82242-0.1729-0.4758-0.1591.50450.3898-0.6029-0.33280.0287-0.21731.2376-0.0517-0.0970.96770.17930.454448.826829.44672.9157
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resseq 5:32)
2X-RAY DIFFRACTION2chain 'A' and (resseq 33:75)
3X-RAY DIFFRACTION3chain 'A' and (resseq 76:97)
4X-RAY DIFFRACTION4chain 'A' and (resseq 98:180)
5X-RAY DIFFRACTION5chain 'A' and (resseq 181:201)
6X-RAY DIFFRACTION6chain 'A' and (resseq 202:267)
7X-RAY DIFFRACTION7chain 'B' and (resseq 3:24)
8X-RAY DIFFRACTION8chain 'B' and (resseq 25:62)
9X-RAY DIFFRACTION9chain 'B' and (resseq 63:79)
10X-RAY DIFFRACTION10chain 'B' and (resseq 80:86)
11X-RAY DIFFRACTION11chain 'B' and (resseq 87:93)
12X-RAY DIFFRACTION12chain 'B' and (resseq 94:101)
13X-RAY DIFFRACTION13chain 'B' and (resseq 102:129)
14X-RAY DIFFRACTION14chain 'C' and (resseq 5:75)
15X-RAY DIFFRACTION15chain 'C' and (resseq 76:122)
16X-RAY DIFFRACTION16chain 'C' and (resseq 123:180)
17X-RAY DIFFRACTION17chain 'C' and (resseq 181:247)
18X-RAY DIFFRACTION18chain 'C' and (resseq 248:264)
19X-RAY DIFFRACTION19chain 'D' and (resseq 3:13)
20X-RAY DIFFRACTION20chain 'D' and (resseq 14:23)
21X-RAY DIFFRACTION21chain 'D' and (resseq 24:32)
22X-RAY DIFFRACTION22chain 'D' and (resseq 33:39)
23X-RAY DIFFRACTION23chain 'D' and (resseq 40:62)
24X-RAY DIFFRACTION24chain 'D' and (resseq 63:75)
25X-RAY DIFFRACTION25chain 'D' and (resseq 76:85)
26X-RAY DIFFRACTION26chain 'D' and (resseq 86:101)
27X-RAY DIFFRACTION27chain 'D' and (resseq 102:122)
28X-RAY DIFFRACTION28chain 'D' and (resseq 123:129)

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