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- PDB-4kph: Structure of the Fab fragment of N62, a protective monoclonal ant... -

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Basic information

Entry
Database: PDB / ID: 4kph
TitleStructure of the Fab fragment of N62, a protective monoclonal antibody to the nonreducing end of Francisella tularensis O-antigen
Components
  • N62 heavy chain
  • N62 light chain
KeywordsIMMUNE SYSTEM / antibody / immunoglobulin / Carbohydrate/Sugar Binding / plasma
Function / homologyImmunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta / ACETATE ION
Function and homology information
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.59 Å
AuthorsLu, Z. / Rynkiewicz, M.J. / Yang, C.-Y. / Madico, G. / Perkins, H.M. / Wang, Q. / Costello, C.E. / Zaia, J. / Seaton, B.A. / Sharon, J.
CitationJournal: Immunology / Year: 2013
Title: The binding sites of monoclonal antibodies to the non-reducing end of Francisella tularensis O-antigen accommodate mainly the terminal saccharide.
Authors: Lu, Z. / Rynkiewicz, M.J. / Yang, C.Y. / Madico, G. / Perkins, H.M. / Wang, Q. / Costello, C.E. / Zaia, J. / Seaton, B.A. / Sharon, J.
History
DepositionMay 13, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 24, 2013Provider: repository / Type: Initial release
Revision 1.1Oct 23, 2013Group: Database references
Revision 2.0Dec 25, 2019Group: Derived calculations / Polymer sequence
Category: entity_poly / pdbx_struct_mod_residue / struct_conn
Item: _entity_poly.pdbx_seq_one_letter_code_can / _pdbx_struct_mod_residue.parent_comp_id / _struct_conn.pdbx_leaving_atom_flag
Revision 2.1Sep 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
L: N62 light chain
H: N62 heavy chain
M: N62 light chain
I: N62 heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)91,8835
Polymers91,8244
Non-polymers591
Water55831
1
L: N62 light chain
H: N62 heavy chain


Theoretical massNumber of molelcules
Total (without water)45,9122
Polymers45,9122
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3460 Å2
ΔGint-21 kcal/mol
Surface area18500 Å2
MethodPISA
2
M: N62 light chain
I: N62 heavy chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,9713
Polymers45,9122
Non-polymers591
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3350 Å2
ΔGint-21 kcal/mol
Surface area17990 Å2
MethodPISA
Unit cell
Length a, b, c (Å)68.874, 87.076, 153.589
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Antibody N62 light chain


Mass: 22950.209 Da / Num. of mol.: 2 / Source method: isolated from a natural source
Details: Fab fragment from cleavage of monoclonal antibody from cultured hybridoma cells
Source: (natural) Mus musculus (house mouse) / Strain: BALB/cJ
#2: Antibody N62 heavy chain


Mass: 22961.543 Da / Num. of mol.: 2 / Source method: isolated from a natural source
Details: Fab fragment from cleavage of monoclonal antibody from cultured hybridoma cells
Source: (natural) Mus musculus (house mouse) / Strain: BALB/cJ
#3: Chemical ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 31 / 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: 2.51 Å3/Da / Density % sol: 50.95 %
Crystal growTemperature: 290 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: Microseeding by mixing 0.5 ul of Fab (12 mg/ml in 20 mM Tris-HCl pH 7.5, 150 mM NaCl, 0.02% NaN3) with 0.5 ul of reservoir solution [0.1 M bistris (pH 6.5), 0.2 M ammonium acetate, 25% w/v ...Details: Microseeding by mixing 0.5 ul of Fab (12 mg/ml in 20 mM Tris-HCl pH 7.5, 150 mM NaCl, 0.02% NaN3) with 0.5 ul of reservoir solution [0.1 M bistris (pH 6.5), 0.2 M ammonium acetate, 25% w/v PEG 3350] and streaking after equilibration, VAPOR DIFFUSION, HANGING DROP, temperature 290K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: May 18, 2012
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionRedundancy: 3.8 % / Av σ(I) over netI: 20.85 / Number: 110303 / Rmerge(I) obs: 0.068 / Χ2: 1.39 / D res high: 2.6 Å / D res low: 15 Å / Num. obs: 28828 / % possible obs: 98.8
Diffraction reflection shell
Highest resolution (Å)Lowest resolution (Å)% possible obs (%)IDRmerge(I) obsChi squaredRedundancy
5.521597.610.0331.3833.7
4.425.529910.0391.1963.9
3.874.4299.410.051.3994
3.523.8799.210.0671.4554
3.273.5299.310.0871.4053.9
3.083.2799.210.1171.4273.9
2.933.0898.910.1531.4073.8
2.82.939910.1941.4263.8
2.692.898.610.2461.3753.7
2.62.6998.110.3251.4023.7
ReflectionResolution: 2.593→15 Å / Num. obs: 28828 / % possible obs: 98.8 % / Observed criterion σ(I): -3 / Redundancy: 3.8 % / Rmerge(I) obs: 0.068 / Net I/σ(I): 14.6
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsDiffraction-ID% possible all
2.6-2.693.70.325198.1
2.69-2.83.70.246198.6
2.8-2.933.80.194199
2.93-3.083.80.153198.9
3.08-3.273.90.117199.2
3.27-3.523.90.087199.3
3.52-3.8740.067199.2
3.87-4.4240.05199.4
4.42-5.523.90.039199
5.52-153.70.033197.6

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Phasing

PhasingMethod: molecular replacement
Phasing MR
Highest resolutionLowest resolution
Rotation2.59 Å14.87 Å
Translation2.59 Å14.87 Å

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
PHASER2.5.0phasing
PHENIX1.8_1069refinement
PDB_EXTRACT3.11data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 3OZ9 (light chain) and pdb entry 3D9A (heavy chain)
Resolution: 2.59→14.87 Å / Occupancy max: 1 / Occupancy min: 1 / SU ML: 0.34 / σ(F): 0 / Phase error: 30 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.268 1946 6.94 %
Rwork0.222 --
obs0.225 28036 96 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 36.78 Å2
Refinement stepCycle: LAST / Resolution: 2.59→14.87 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6220 0 4 31 6255
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0026392
X-RAY DIFFRACTIONf_angle_d0.6668720
X-RAY DIFFRACTIONf_dihedral_angle_d10.3692243
X-RAY DIFFRACTIONf_chiral_restr0.0431000
X-RAY DIFFRACTIONf_plane_restr0.0041090
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.5928-2.65730.34641220.26421666X-RAY DIFFRACTION87
2.6573-2.72870.35681320.27521765X-RAY DIFFRACTION93
2.7287-2.80850.33391320.26741793X-RAY DIFFRACTION94
2.8085-2.89850.28171370.26561827X-RAY DIFFRACTION95
2.8985-3.00130.28121370.25231823X-RAY DIFFRACTION95
3.0013-3.12040.3131350.25811841X-RAY DIFFRACTION97
3.1204-3.2610.28531390.25371864X-RAY DIFFRACTION97
3.261-3.43090.35661410.25611872X-RAY DIFFRACTION98
3.4309-3.64290.26061430.23661909X-RAY DIFFRACTION99
3.6429-3.91940.26641430.22121908X-RAY DIFFRACTION98
3.9194-4.30510.21111470.19881943X-RAY DIFFRACTION99
4.3051-4.90840.21721430.16841918X-RAY DIFFRACTION99
4.9084-6.11170.23791450.18861963X-RAY DIFFRACTION99
6.1117-14.87110.26831500.20031998X-RAY DIFFRACTION97
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)
10.17440.10090.01420.2738-0.12340.0872-0.06720.1589-0.3198-0.1173-0.21150.12670.0956-0.056-0.6970.37790.16190.09650.3169-0.06290.3003-5.289117.6723-40.1893
20.1406-0.2993-0.23660.61960.49660.39430.3060.20160.2341-0.2925-0.0785-0.2952-0.38810.00470.02690.28050.04110.05560.34520.00620.3301-0.975428.4221-35.9718
30.27530.7679-0.15972.131-0.37970.65110.0550.3365-0.2311-0.3129-0.2148-0.76790.00030.3690.03920.29980.02950.08680.40320.02460.35420.886825.2234-38.5303
40.76740.01670.32960.5568-0.64550.91640.1675-0.1001-0.256-0.2169-0.1208-0.11190.28980.11680.77010.16130.00070.03270.126-0.00780.2176-13.62189.6254-12.9516
50.3462-0.116-0.03450.8588-0.35560.16740.00120.2826-0.2276-0.1053-0.04370.14390.1882-0.04770.01160.1655-0.02460.09480.232-0.01580.4658-26.65792.6462-9.9676
61.1809-0.58471.08390.4056-0.35891.2758-0.072-0.0182-0.115-0.09090.0236-0.0993-0.2009-0.18550.49950.39730.08650.02340.1701-0.06370.2892-13.010811.9133-19.0351
70.9980.1189-0.33680.3769-0.62621.0638-0.18460.0449-0.5847-0.00670.00080.28140.4861-0.08490.19080.2366-0.06780.07990.29360.0520.3829-22.68184.8826-6.3699
80.6909-0.52990.08922.1075-0.26281.0558-0.0712-0.14040.32160.20820.0543-0.7332-0.42080.4429-0.00590.2685-0.0636-0.00190.3278-0.00430.3833-4.417343.7453-26.3485
90.1945-0.02970.10910.67020.06850.5409-0.0345-0.15080.12460.11870.0589-0.2076-0.03290.1433-0.0010.18840.03420.04120.27570.0420.1792-10.221937.7925-22.9282
100.41420.128-0.00250.0430.01180.20680.05380.039-0.137-0.0256-0.0076-0.1878-0.00270.0793-0.07660.02840.0313-0.01220.20610.0170.2632-10.945919.512-5.6001
110.1891-0.04150.10170.20690.02990.2364-0.1537-0.24850.06840.0494-0.02470.03310.0617-0.2575-0.00920.17910.0052-0.06750.19330.01690.1637-11.021819.0338-12.7179
120.03810.04920.06970.08590.14520.29350.0358-0.1523-0.0790.1721-0.0102-0.14820.13860.2814-0.2585-0.05620.0434-0.20270.27710.1095-0.0024-7.552420.4908-2.8126
130.38540.170.12470.089-0.01310.4149-0.07630.1131-0.2344-0.15180.0145-0.05880.05990.0377-0.48740.36480.00180.01320.0962-0.0560.204627.8356-4.3772-38.8264
140.9218-0.87960.46361.0763-0.51851.73360.22150.0860.2481-0.082-0.0325-0.4825-0.20890.4592-0.06230.3361-0.01960.00570.1951-0.02680.266935.88033.9025-39.2398
151.1329-0.1272-0.37530.027-0.01160.6739-0.05220.055-0.25460.0276-0.09810.09240.15440.0191-0.40130.31830.0056-0.02280.1553-0.01660.118829.9965-0.8537-33.4988
160.0839-0.06460.06170.0501-0.04830.0457-0.0398-0.1304-0.1788-0.08330.12470.11390.1625-0.16150.43850.5821-0.21520.23990.39840.07070.44414.666-8.5975-2.4161
170.5674-0.3543-0.7170.88370.79981.90930.06880.0741-0.0222-0.2067-0.33820.2780.3893-0.5874-0.08770.464-0.1602-0.00280.33710.0310.354715.5473-13.7612-18.325
180.3452-0.0183-0.12760.5603-0.04510.0798-0.0445-0.1121-0.09190.1905-0.0138-0.19140.01110.1091-0.00410.57490.0073-0.02490.23430.08120.351128.5636-9.89-21.6879
190.1818-0.19030.04130.2166-0.12570.46580.0179-0.2494-0.17970.07960.06550.3280.0989-0.3359-0.22810.6766-0.26310.26790.60550.05350.66126.5564-9.8368-2.8538
200.2392-0.0931-0.04980.43260.11880.0549-0.01980.0306-0.11830.0389-0.02530.2264-0.02-0.03430.20080.9169-0.33790.08830.4276-0.09310.510114.1541-21.6611-12.4057
210.4753-0.28370.03980.9052-0.05480.6336-0.18-0.15440.14990.34040.1732-0.1302-0.05970.1316-0.00970.26580.0041-0.10450.1718-0.03630.303430.444322.1178-26.6477
220.55280.19610.01070.1882-0.15710.2806-0.27930.02870.25780.23740.2642-0.00990.0552-0.0973-0.0190.30630.0031-0.01490.2279-0.06610.268127.403616.4771-26.2661
230.68940.20870.19620.47050.8561.60140.09110.067-0.07820.25940.08030.060.29450.02130.24130.2818-0.02440.08780.21810.03360.287619.711.0503-8.5443
241.56360.30140.05091.30930.37732.0080.0501-0.2985-0.25690.4623-0.0473-0.03710.66220.45130.42550.56830.0280.05890.32140.08510.193729.1661-3.2868-0.3654
250.55550.020.04720.795-0.13360.0271-0.0051-0.1724-0.0370.23350.1214-0.03270.27260.10350.50420.2658-0.0221-0.03820.31230.03610.042724.91962.41771.7372
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'L' and (resid 2 through 25 )
2X-RAY DIFFRACTION2chain 'L' and (resid 26 through 48 )
3X-RAY DIFFRACTION3chain 'L' and (resid 49 through 102 )
4X-RAY DIFFRACTION4chain 'L' and (resid 103 through 144 )
5X-RAY DIFFRACTION5chain 'L' and (resid 145 through 155 )
6X-RAY DIFFRACTION6chain 'L' and (resid 156 through 174 )
7X-RAY DIFFRACTION7chain 'L' and (resid 175 through 212 )
8X-RAY DIFFRACTION8chain 'H' and (resid 2 through 80 )
9X-RAY DIFFRACTION9chain 'H' and (resid 81 through 119 )
10X-RAY DIFFRACTION10chain 'H' and (resid 120 through 157 )
11X-RAY DIFFRACTION11chain 'H' and (resid 158 through 173 )
12X-RAY DIFFRACTION12chain 'H' and (resid 174 through 212 )
13X-RAY DIFFRACTION13chain 'M' and (resid 2 through 18 )
14X-RAY DIFFRACTION14chain 'M' and (resid 19 through 75 )
15X-RAY DIFFRACTION15chain 'M' and (resid 76 through 113 )
16X-RAY DIFFRACTION16chain 'M' and (resid 114 through 137 )
17X-RAY DIFFRACTION17chain 'M' and (resid 138 through 163 )
18X-RAY DIFFRACTION18chain 'M' and (resid 164 through 174 )
19X-RAY DIFFRACTION19chain 'M' and (resid 175 through 191 )
20X-RAY DIFFRACTION20chain 'M' and (resid 192 through 210 )
21X-RAY DIFFRACTION21chain 'I' and (resid 1 through 80 )
22X-RAY DIFFRACTION22chain 'I' and (resid 81 through 109 )
23X-RAY DIFFRACTION23chain 'I' and (resid 110 through 184 )
24X-RAY DIFFRACTION24chain 'I' and (resid 185 through 202 )
25X-RAY DIFFRACTION25chain 'I' and (resid 203 through 212 )

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