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- PDB-9n2v: Designed anti-OSM Fab -

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Basic information

Entry
Database: PDB / ID: 9n2v
TitleDesigned anti-OSM Fab
Components(designed anti-OSM Fab ...) x 2
KeywordsIMMUNE SYSTEM / Fab / antibody / machine learning / AI / design
Function / homologyPHOSPHATE ION
Function and homology information
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.97 Å
AuthorsKiefer, J.R. / Alberstein, R.G. / Watkins, A.M. / Seeger, F. / Frey, N.C. / Bonneau, R. / Regev, A. / Hofmann, J.L. / Gligorijevic, V.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Lab-in-the-loop therapeutic antibody design with deep learning
Authors: Frey, N.C. / Alberstein, R.G. / Watkins, A.M. / Seeger, F. / Hofmann, J.L. / Kiefer, J.R. / Regev, A. / Gligorijevic, V. / Bonneau, R.
History
DepositionJan 29, 2025Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 4, 2026Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
H: designed anti-OSM Fab heavy chain
L: designed anti-OSM Fab light chain
A: designed anti-OSM Fab heavy chain
B: designed anti-OSM Fab light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)96,87033
Polymers94,9984
Non-polymers1,87229
Water15,367853
1
H: designed anti-OSM Fab heavy chain
L: designed anti-OSM Fab light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,09312
Polymers47,4992
Non-polymers59410
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4690 Å2
ΔGint-20 kcal/mol
Surface area21010 Å2
MethodPISA
2
A: designed anti-OSM Fab heavy chain
B: designed anti-OSM Fab light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,77721
Polymers47,4992
Non-polymers1,27819
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5330 Å2
ΔGint-14 kcal/mol
Surface area19880 Å2
MethodPISA
Unit cell
Length a, b, c (Å)117.890, 117.890, 99.170
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number76
Space group name H-MP41

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Components

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Antibody , 2 types, 4 molecules HALB

#1: Antibody designed anti-OSM Fab heavy chain


Mass: 24371.301 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Production host: Cricetulus griseus (Chinese hamster)
#2: Antibody designed anti-OSM Fab light chain


Mass: 23127.600 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / Production host: Cricetulus griseus (Chinese hamster)

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Non-polymers , 4 types, 882 molecules

#3: Chemical...
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 25 / Source method: obtained synthetically / Formula: C2H6O2
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#5: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: PO4
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 853 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestN
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: 3.63 Å3/Da / Density % sol: 66.09 %
Crystal growTemperature: 291 K / Method: vapor diffusion, sitting drop / pH: 8
Details: 0.2 M sodium chloride, 0.1 M imidazole, pH 8.0, 0.4 M ammonium phosphate, 1.6 M potassium phosphate dibasic

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Data collection

DiffractionMean temperature: 93 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: PETRA III, DESY / Beamline: P11 / Wavelength: 1.03321 Å
DetectorType: DECTRIS EIGER2 X 16M / Detector: PIXEL / Date: Sep 4, 2024
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.03321 Å / Relative weight: 1
ReflectionResolution: 1.97→46.55 Å / Num. obs: 95394 / % possible obs: 99.5 % / Redundancy: 13.7 % / CC1/2: 0.999 / Rmerge(I) obs: 0.154 / Rpim(I) all: 0.043 / Rrim(I) all: 0.16 / Χ2: 1 / Net I/σ(I): 16.1 / Num. measured all: 1308844
Reflection shellResolution: 1.97→2 Å / % possible obs: 100 % / Redundancy: 13.4 % / Rmerge(I) obs: 1.62 / Num. measured all: 63068 / Num. unique obs: 4704 / CC1/2: 0.745 / Rpim(I) all: 0.457 / Rrim(I) all: 1.684 / Χ2: 0.86 / Net I/σ(I) obs: 2.1

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Processing

Software
NameVersionClassification
PHENIX(1.21.2_5419: ???)refinement
Aimlessdata scaling
XDSdata reduction
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.97→46.55 Å / SU ML: 0.24 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 21.43 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2022 4880 5.12 %
Rwork0.1741 --
obs0.1755 95351 99.49 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 1.97→46.55 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6525 0 116 853 7494
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0026921
X-RAY DIFFRACTIONf_angle_d0.5899400
X-RAY DIFFRACTIONf_dihedral_angle_d11.7042467
X-RAY DIFFRACTIONf_chiral_restr0.0461050
X-RAY DIFFRACTIONf_plane_restr0.0041212
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.97-1.990.31061620.27532995X-RAY DIFFRACTION100
1.99-2.020.29731660.25342990X-RAY DIFFRACTION100
2.02-2.040.28841410.23963105X-RAY DIFFRACTION100
2.04-2.070.28071780.23212958X-RAY DIFFRACTION100
2.07-2.090.36261410.30692972X-RAY DIFFRACTION98
2.09-2.120.26871540.22463000X-RAY DIFFRACTION99
2.12-2.150.24171900.21323003X-RAY DIFFRACTION100
2.15-2.180.24791910.2062991X-RAY DIFFRACTION100
2.18-2.220.26851550.20913033X-RAY DIFFRACTION100
2.22-2.250.27731960.23012907X-RAY DIFFRACTION97
2.25-2.290.42071350.36152759X-RAY DIFFRACTION92
2.29-2.340.23471590.20253041X-RAY DIFFRACTION100
2.34-2.380.23491910.19262977X-RAY DIFFRACTION100
2.38-2.430.20891590.19123033X-RAY DIFFRACTION100
2.43-2.480.22831810.18033031X-RAY DIFFRACTION100
2.48-2.540.21541530.17633014X-RAY DIFFRACTION100
2.54-2.60.20611500.17563039X-RAY DIFFRACTION100
2.6-2.670.20041830.17852983X-RAY DIFFRACTION100
2.67-2.750.18891610.17993062X-RAY DIFFRACTION100
2.75-2.840.2121590.17773005X-RAY DIFFRACTION100
2.84-2.940.25691320.18223085X-RAY DIFFRACTION100
2.94-3.060.20811730.17593000X-RAY DIFFRACTION100
3.06-3.20.21661900.17173033X-RAY DIFFRACTION100
3.2-3.370.1991740.16673003X-RAY DIFFRACTION100
3.37-3.580.18231640.15273056X-RAY DIFFRACTION100
3.58-3.850.18921250.14363058X-RAY DIFFRACTION100
3.85-4.240.14411310.13213063X-RAY DIFFRACTION100
4.24-4.860.11381580.11633083X-RAY DIFFRACTION100
4.86-6.120.14981580.14083070X-RAY DIFFRACTION100
6.12-46.550.17741700.18393122X-RAY DIFFRACTION100
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)
12.71140.4991-0.40281.2356-2.03193.42750.0932-0.41120.08740.60410.0905-0.26910.54730.3258-0.15180.2646-0.0303-0.05690.23580.0460.217927.447137.37326.8809
22.4213-0.9443-2.88321.6736-0.19874.70840.0994-0.15430.03070.1354-0.0303-0.26050.00210.3916-0.07850.2069-0.0391-0.04540.27590.04680.282230.4539.998513.8257
32.24690.52571.13965.2291-0.8952.07910.11-0.19230.07870.2968-0.18660.0952-0.0762-0.06960.06390.15960.00240.00530.2221-0.00670.14819.630444.003518.0623
45.1592-0.4313-3.24523.27990.75044.87450.183-0.26550.43630.3693-0.0834-0.222-0.17230.0348-0.07630.2434-0.0093-0.04410.2488-0.0110.223826.700946.818321.1517
50.72830.09220.54582.0119-0.80693.39190.0922-0.18910.14720.2231-0.05790.04640.0019-0.1296-0.0340.1946-0.03270.01810.32430.03560.255519.862239.946217.998
60.49291.0932-0.50474.0152-1.98771.11610.1381-0.1662-0.25290.0488-0.1624-0.4357-0.2170.06520.08330.4282-0.0943-0.11780.49350.01220.251923.272320.313442.7151
72.63080.70641.39193.9467-0.16143.99790.02430.1429-0.32020.0752-0.0086-0.7660.00680.786-0.02520.2485-0.04850.01720.53790.00930.392324.816614.540336.7841
81.4493-2.8775-0.43067.7091-0.05861.793-0.01740.0292-0.02780.2629-0.06120.4160.2751-0.13920.09850.2139-0.0670.02170.3276-0.00370.24920.930527.327414.9025
92.6583-0.56090.34224.3836-1.36821.9737-0.00830.28810.3148-0.1587-0.04450.17760.0961-0.1160.05760.2119-0.04420.00450.28450.0410.19144.46334.0068.8165
104.9143-0.14312.93795.0093-3.48354.06420.11360.1107-0.4771-0.158-0.2627-0.32730.40970.91290.15970.220.0460.03760.31020.06340.251316.16426.397114.2096
111.63080.4909-0.09754.3007-1.43442.3474-0.05430.19220.0627-0.3096-0.0078-0.04440.2551-0.030.0580.1781-0.02580.02210.28570.01990.20838.201530.02088.5221
12-0.00420.201-0.20234.0079-4.64635.3394-0.0369-0.01970.03710.0057-0.0695-0.07450.27190.21020.10030.2701-0.03410.03030.32990.01770.24013.893312.56321.402
133.5833.49673.19826.27374.57433.66550.0281-0.1687-0.54080.3757-0.0091-1.19240.00070.7073-0.15540.396-0.0456-0.1660.61120.14770.419319.54788.756847.7082
141.0043-0.33371.51781.72820.35759.2257-0.1978-0.018-0.08770.11050.1628-0.0857-0.3296-0.13330.07060.3553-0.02640.02010.35340.03860.22887.352410.320738.5146
151.2876-0.17130.07072.04680.09383.85750.1045-0.16410.01540.11070.1079-0.1638-0.52540.6761-0.19970.3017-0.0523-0.00810.35070.01570.26148.174813.241335.5625
162.15330.6570.1813.139-0.43914.2836-0.0186-0.6147-0.25860.3638-0.0781-0.29920.0870.03690.08890.29650.0423-0.00010.49380.06330.21798.47956.487447.3417
178.17093.34033.18142.92712.69882.4994-0.18930.5202-0.3461-0.48360.4589-0.01360.4143-0.0693-0.21510.3211-0.0182-0.10470.1971-0.00530.256153.5968.96625.8441
181.84130.19360.24162.13260.05342.00490.1054-0.0177-0.2379-0.04520.1150.02760.2885-0.0313-0.20970.2472-0.0548-0.08910.1681-0.00310.265959.737113.197215.5066
192.48620.2853-2.9622.2408-0.35873.7322-0.0513-0.0198-0.46960.09070.16870.0890.6547-0.165-0.09790.3382-0.0501-0.1170.27090.00930.301558.27576.309317.6045
201.84870.24642.09180.41341.12212.37130.15140.008-0.25280.0386-0.0207-0.02420.1872-0.0937-0.15110.2585-0.0539-0.05280.21110.00510.264551.699913.25349.0058
212.2525-0.73321.14194.2708-0.09991.53230.26010.56410.0533-0.5863-0.3511-0.525-0.03440.24180.11090.29930.08160.06870.30650.00410.320242.242818.1387-12.9112
223.5024-1.3381.89920.5418-0.93876.6046-0.0519-0.29840.1390.00690.18130.13610.0622-0.4533-0.16060.1606-0.0051-0.00620.23820.02090.323244.933636.274616.619
233.1025-1.51781.25741.8756-1.82835.2759-0.1538-0.3570.30090.28510.12730.04-0.2545-0.15980.04150.2047-0.02-0.0470.2385-0.0040.322452.803633.666721.7037
242.7664-1.28291.69882.3304-1.31293.61050.04540.0250.18220.01530.0243-0.0238-0.07590.0046-0.05850.1748-0.0242-0.02310.21040.00370.271354.877932.915215.3273
255.0243-3.79015.02412.8703-3.79494.9874-0.1783-0.1550.20080.118-0.0439-0.4064-0.0576-0.10090.23770.2094-0.0282-0.04410.21950.03970.318440.09240.07660.8787
262.42141.24830.95246.4070.91311.90440.08560.2222-0.088-0.3664-0.06520.23120.1906-0.0729-0.01040.22270.0353-0.03680.197-0.00310.219227.681325.0533-11.662
274.55976.45694.73459.64646.1785.83740.12050.2316-0.66490.1730.0812-1.07170.26730.2972-0.11410.22990.0283-0.030.25460.02020.380142.989734.4135-3.4412
280.8363-0.7130.15130.9294-0.63870.80010.17350.2676-0.2772-0.7292-0.12560.72960.2339-0.0580.00420.36820.0407-0.16880.2439-0.0610.413923.038626.2929-15.713
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'H' and (resid 1 through 17 )
2X-RAY DIFFRACTION2chain 'H' and (resid 18 through 33 )
3X-RAY DIFFRACTION3chain 'H' and (resid 34 through 59 )
4X-RAY DIFFRACTION4chain 'H' and (resid 60 through 82 )
5X-RAY DIFFRACTION5chain 'H' and (resid 82A through 109 )
6X-RAY DIFFRACTION6chain 'H' and (resid 110 through 134 )
7X-RAY DIFFRACTION7chain 'H' and (resid 135 through 214 )
8X-RAY DIFFRACTION8chain 'L' and (resid 1 through 17 )
9X-RAY DIFFRACTION9chain 'L' and (resid 18 through 38 )
10X-RAY DIFFRACTION10chain 'L' and (resid 39 through 48 )
11X-RAY DIFFRACTION11chain 'L' and (resid 49 through 101 )
12X-RAY DIFFRACTION12chain 'L' and (resid 102 through 113 )
13X-RAY DIFFRACTION13chain 'L' and (resid 114 through 128 )
14X-RAY DIFFRACTION14chain 'L' and (resid 129 through 150 )
15X-RAY DIFFRACTION15chain 'L' and (resid 151 through 174 )
16X-RAY DIFFRACTION16chain 'L' and (resid 175 through 213 )
17X-RAY DIFFRACTION17chain 'A' and (resid 1 through 17 )
18X-RAY DIFFRACTION18chain 'A' and (resid 18 through 59 )
19X-RAY DIFFRACTION19chain 'A' and (resid 60 through 75 )
20X-RAY DIFFRACTION20chain 'A' and (resid 76 through 134 )
21X-RAY DIFFRACTION21chain 'A' and (resid 135 through 214 )
22X-RAY DIFFRACTION22chain 'B' and (resid 1 through 17 )
23X-RAY DIFFRACTION23chain 'B' and (resid 18 through 38 )
24X-RAY DIFFRACTION24chain 'B' and (resid 39 through 101 )
25X-RAY DIFFRACTION25chain 'B' and (resid 102 through 113 )
26X-RAY DIFFRACTION26chain 'B' and (resid 114 through 163 )
27X-RAY DIFFRACTION27chain 'B' and (resid 164 through 174 )
28X-RAY DIFFRACTION28chain 'B' and (resid 175 through 213 )

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