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- PDB-8g8d: Crystal structure of DH1346 Fab in complex with HIV proximal MPER... -

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Basic information

Entry
Database: PDB / ID: 8g8d
TitleCrystal structure of DH1346 Fab in complex with HIV proximal MPER peptide
Components
  • DH1346 heavy chain
  • DH1346 light chain
  • gp41 MPER peptide
KeywordsIMMUNE SYSTEM / HIV / Neutralizing Antibody / MPER / gp41
Function / homologyFLUORIDE ION
Function and homology information
Biological speciesHomo sapiens (human)
Human immunodeficiency virus 1
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.02 Å
AuthorsNiyongabo, A. / Janus, B.M. / Ofek, G.
Funding support1items
OrganizationGrant numberCountry
Other government
CitationJournal: Cell / Year: 2024
Title: Vaccine induction of heterologous HIV-1-neutralizing antibody B cell lineages in humans.
Authors: Wilton B Williams / S Munir Alam / Gilad Ofek / Nathaniel Erdmann / David C Montefiori / Michael S Seaman / Kshitij Wagh / Bette Korber / Robert J Edwards / Katayoun Mansouri / Amanda Eaton ...Authors: Wilton B Williams / S Munir Alam / Gilad Ofek / Nathaniel Erdmann / David C Montefiori / Michael S Seaman / Kshitij Wagh / Bette Korber / Robert J Edwards / Katayoun Mansouri / Amanda Eaton / Derek W Cain / Mitchell Martin / JongIn Hwang / Aria Arus-Altuz / Xiaozhi Lu / Fangping Cai / Nolan Jamieson / Robert Parks / Maggie Barr / Andrew Foulger / Kara Anasti / Parth Patel / Salam Sammour / Ruth J Parsons / Xiao Huang / Jared Lindenberger / Susan Fetics / Katarzyna Janowska / Aurelie Niyongabo / Benjamin M Janus / Anagh Astavans / Christopher B Fox / Ipsita Mohanty / Tyler Evangelous / Yue Chen / Madison Berry / Helene Kirshner / Elizabeth Van Itallie / Kevin O Saunders / Kevin Wiehe / Kristen W Cohen / M Juliana McElrath / Lawrence Corey / Priyamvada Acharya / Stephen R Walsh / Lindsey R Baden / Barton F Haynes /
Abstract: A critical roadblock to HIV vaccine development is the inability to induce B cell lineages of broadly neutralizing antibodies (bnAbs) in humans. In people living with HIV-1, bnAbs take years to ...A critical roadblock to HIV vaccine development is the inability to induce B cell lineages of broadly neutralizing antibodies (bnAbs) in humans. In people living with HIV-1, bnAbs take years to develop. The HVTN 133 clinical trial studied a peptide/liposome immunogen targeting B cell lineages of HIV-1 envelope (Env) membrane-proximal external region (MPER) bnAbs (NCT03934541). Here, we report MPER peptide-liposome induction of polyclonal HIV-1 B cell lineages of mature bnAbs and their precursors, the most potent of which neutralized 15% of global tier 2 HIV-1 strains and 35% of clade B strains with lineage initiation after the second immunization. Neutralization was enhanced by vaccine selection of improbable mutations that increased antibody binding to gp41 and lipids. This study demonstrates proof of concept for rapid vaccine induction of human B cell lineages with heterologous neutralizing activity and selection of antibody improbable mutations and outlines a path for successful HIV-1 vaccine development.
History
DepositionFeb 17, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 22, 2024Provider: repository / Type: Initial release
Revision 1.1May 29, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Jun 19, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.3Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
H: DH1346 heavy chain
L: DH1346 light chain
P: gp41 MPER peptide
A: DH1346 heavy chain
B: DH1346 light chain
C: gp41 MPER peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)104,86217
Polymers104,6136
Non-polymers24911
Water8,071448
1
H: DH1346 heavy chain
L: DH1346 light chain
P: gp41 MPER peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)52,46310
Polymers52,3063
Non-polymers1577
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: DH1346 heavy chain
B: DH1346 light chain
C: gp41 MPER peptide
hetero molecules


Theoretical massNumber of molelcules
Total (without water)52,3987
Polymers52,3063
Non-polymers924
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)41.069, 115.513, 231.322
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein / Antibody / Protein/peptide , 3 types, 6 molecules HALBPC

#1: Protein DH1346 heavy chain


Mass: 24642.680 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#2: Antibody DH1346 light chain


Mass: 23203.492 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)
#3: Protein/peptide gp41 MPER peptide


Mass: 4460.182 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) Human immunodeficiency virus 1

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Non-polymers , 3 types, 459 molecules

#4: Chemical
ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: Na
#5: Chemical ChemComp-F / FLUORIDE ION


Mass: 18.998 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: F
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 448 / 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: 2.63 Å3/Da / Density % sol: 53.27 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / pH: 4.5
Details: 25% PEG 1500, 0.1M Sodium acetate/acetic acid pH4.5, 30% MPD, and 30% dextran sulfate sodium salt

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Nov 22, 2022
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.02→37.98 Å / Num. obs: 67030 / % possible obs: 91.7 % / Redundancy: 3 % / Rmerge(I) obs: 0.075 / Net I/σ(I): 12.1
Reflection shellResolution: 2.02→2.1 Å / Rmerge(I) obs: 0.53 / Num. unique obs: 5929

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Processing

Software
NameVersionClassification
PHENIX1.2refinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.02→37.98 Å / SU ML: 0.22 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 22.85 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2335 5094 7.6 %
Rwork0.1978 --
obs0.2005 67012 91.69 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.02→37.98 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7113 0 11 448 7572
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.005
X-RAY DIFFRACTIONf_angle_d0.723
X-RAY DIFFRACTIONf_dihedral_angle_d11.3642531
X-RAY DIFFRACTIONf_chiral_restr0.0481122
X-RAY DIFFRACTIONf_plane_restr0.0051267
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.02-2.050.30141300.26741586X-RAY DIFFRACTION71
2.05-2.070.29971560.2531924X-RAY DIFFRACTION88
2.07-2.10.30581620.24891965X-RAY DIFFRACTION89
2.1-2.120.30381600.23871965X-RAY DIFFRACTION88
2.12-2.150.26291660.2332005X-RAY DIFFRACTION88
2.15-2.180.2651610.2371963X-RAY DIFFRACTION89
2.18-2.210.25761580.23561937X-RAY DIFFRACTION89
2.21-2.250.2721650.23131983X-RAY DIFFRACTION90
2.25-2.280.291650.22662005X-RAY DIFFRACTION88
2.28-2.320.26211590.22011943X-RAY DIFFRACTION89
2.32-2.360.27981620.21571968X-RAY DIFFRACTION88
2.36-2.40.27011650.22151996X-RAY DIFFRACTION90
2.4-2.450.25921680.22132028X-RAY DIFFRACTION91
2.45-2.50.27631650.2272000X-RAY DIFFRACTION91
2.5-2.550.26111580.2181907X-RAY DIFFRACTION85
2.55-2.610.25781630.2121985X-RAY DIFFRACTION89
2.61-2.680.22131750.21232128X-RAY DIFFRACTION96
2.68-2.750.27351800.21442193X-RAY DIFFRACTION97
2.75-2.830.24251790.21382141X-RAY DIFFRACTION97
2.83-2.920.20831890.20082250X-RAY DIFFRACTION99
2.92-3.020.24681760.19822168X-RAY DIFFRACTION98
3.02-3.150.22031850.19672275X-RAY DIFFRACTION99
3.15-3.290.21971790.19952185X-RAY DIFFRACTION99
3.29-3.460.24181800.19542208X-RAY DIFFRACTION96
3.46-3.680.23731760.18352117X-RAY DIFFRACTION93
3.68-3.960.18991680.17682084X-RAY DIFFRACTION92
3.96-4.360.19491820.16172238X-RAY DIFFRACTION97
4.36-4.990.18651790.15372160X-RAY DIFFRACTION94
4.99-6.280.20921900.18472281X-RAY DIFFRACTION97
6.28-37.980.2511930.20362330X-RAY DIFFRACTION93
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)
13.16620.3758-0.90851.36270.36541.4844-0.04560.3644-0.0509-0.0863-0.0260.17880.0324-0.39120.06930.165-0.0136-0.02930.3516-0.00630.2226-4.18214.558-33.52
22.2755-0.3797-2.45570.88170.33843.2645-0.04660.16750.0156-0.02620.02990.04240.0812-0.1022-0.00710.1352-0.0389-0.01570.2238-0.01520.1957-1.34915.738-26.96
31.44011.399-0.86424.60840.87950.6340.1401-0.0791-0.2494-0.0048-0.0030.01260.08380.0593-0.12340.3748-0.1026-0.14540.26180.07720.30327.008-9.175-48.936
42.4992-0.9928-1.72863.64220.17612.5572-0.4666-0.2044-0.49890.6960.06290.23970.80380.16360.28520.49950.00570.16470.2870.06740.3101-3.5420.207-13.876
50.1329-0.36420.25470.1589-0.19660.3156-0.67410.116-0.1331.36980.13090.61811.05060.42090.31880.7710.14650.29380.2892-0.00420.35583.87-8.121-20.418
61.9753-1.57321.29986.0146-2.39765.6321-0.95360.4441.01432.4407-0.471-1.2866-2.06480.82640.1380.802-0.0749-0.3360.2820.06180.474719.509-16.406-42.011
73.64061.61622.31183.18260.49882.02210.2231-0.4666-0.11870.5084-0.1584-0.0328-0.39-0.11030.07810.3322-0.07690.07160.3904-0.00270.2308-8.03923.699-4.065
83.0158-0.49590.17192.59451.0753.0108-0.1093-0.30220.57120.21460.0499-0.32360.0638-0.11110.02050.18-0.00780.00910.2133-0.03880.2184.483-12.955-73.689
94.43560.9630.36912.81530.57641.96490.0060.08750.15560.0755-0.04970.3406-0.1215-0.5240.05350.16760.0112-0.00590.3009-0.0780.2642-4.442-14.983-81.456
101.1298-0.10951.44163.6611-0.0333.1084-0.070.1043-0.3418-0.2151-0.0674-0.31250.099-0.00190.05830.13990.0130.02490.2427-0.05660.25541.63-20.011-85.457
112.00840.10231.92112.11960.06863.55660.05360.1304-0.0862-0.1138-0.0356-0.17360.0282-0.0101-0.07030.17190.00530.00040.2071-0.07220.22313.158-15.485-82.525
123.54060.05322.51.5010.7286.4727-0.32540.02350.2898-0.4831-0.29110.353-0.6524-0.63550.63860.24870.0268-0.04830.2543-0.00420.252-7.332-11.638-96.223
132.0948-1.5222-1.48931.96840.37691.5675-0.01910.1707-0.36930.53280.3241-0.527-0.10710.4483-0.19790.28850.0442-0.14790.252-0.06080.397114.961-9.253-69.497
145.24870.00141.5580.14490.79034.48770.01210.36461.62670.1416-0.5034-0.993-0.74690.02320.4680.220.03740.02010.3001-0.00360.580210.71519.024-62.027
151.13020.48850.04164.64491.98683.08690.11310.0982-0.0754-0.0854-0.05190.12410.0321-0.0812-0.06060.13950.0148-0.03260.19660.01040.20148.9918.358-67.941
164.9996-2.5853-1.54342.84963.60284.69670.2321-0.1776-0.04890.2289-0.17610.15360.1558-0.2751-0.03290.1251-0.02650.00330.20430.01150.16024.1387.323-59.838
172.77021.47960.99787.6082-0.19492.3623-0.20950.64520.1969-1.69110.0112-0.6763-1.07370.57620.21630.9412-0.26630.00370.5683-0.00170.30657.0164.818-100.272
181.72051.74930.58084.81870.00372.3548-0.43740.12130.0462-0.65430.0620.2871-0.47090.32140.18860.4051-0.0228-0.11310.29260.02060.22150.492-3.257-97.761
192.23270.5096-0.73313.4289-0.58411.099-0.37450.53590.1947-0.99740.08530.6585-0.778-0.31910.15190.7564-0.0169-0.27550.43530.08990.4415-6.0671.026-100.734
202.71641.54071.40637.70170.39563.4033-0.25860.27710.1997-0.5119-0.0264-0.1713-0.67780.3580.18650.3019-0.0959-0.05760.35040.00990.18991.844-4.061-96.514
210.33360.37840.34050.72410.40441.2901-0.5595-0.22150.1152-0.8940.14770.1521-0.74050.19750.32530.53-0.0916-0.22360.3668-0.04840.36646.9417.59-92.373
224.387-1.45682.15794.3143-3.84033.96890.0855-0.6617-0.03320.0144-0.1474-0.16310.2796-0.06180.12120.2621-0.0329-0.02490.2707-0.00450.243518.06213.944-59.478
235.6322-0.89213.01873.5799-1.41272.5591-0.14810.33520.1927-0.99660.1936-0.01710.26290.25560.1210.3997-0.0632-0.02750.2158-0.00910.223818.25818.063-75.209
246.41551.66121.18215.3273-0.47726.1231-0.3235-0.0373-0.0223-0.52040.16160.1954-0.2726-0.22690.10250.3763-0.01130.00450.2688-0.01610.178418.16614.974-75.873
255.05041.24641.5046.00711.02495.6714-0.1896-0.0145-0.032-0.0811-0.0199-0.5391-0.22040.8090.09130.1634-0.06040.04090.2258-0.01930.253423.4414-64.752
268.2517-1.93895.25999.1289-3.90364.86020.6597-0.2173-0.1681-0.55430.0246-0.69410.2504-0.2985-0.4340.1908-0.15690.05170.33150.03760.377524.82522.838-69.589
274.1668-0.23150.77227.0734-4.6413.1283-0.4344-0.09620.1055-0.3133-0.1275-0.076-1.096-0.07740.40660.3181-0.06110.00750.1936-0.04480.340521.04325.574-71.046
283.2109-1.5961-1.96993.90560.4187.17040.25820.40090.158-0.6056-0.4101-0.1083-0.0278-0.4230.18850.25790.0294-0.0470.35140.01380.2451-4.533-23.504-107.861
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1( CHAIN H AND RESID 1:40 )H1 - 40
2X-RAY DIFFRACTION2( CHAIN H AND RESID 41:133 )H41 - 133
3X-RAY DIFFRACTION3( CHAIN H AND RESID 134:214 )H134 - 214
4X-RAY DIFFRACTION4( CHAIN L AND RESID 3:97 )L3 - 97
5X-RAY DIFFRACTION5( CHAIN L AND RESID 98:116 )L98 - 116
6X-RAY DIFFRACTION6( CHAIN L AND RESID 117:209 )L117 - 209
7X-RAY DIFFRACTION7( CHAIN P AND RESID 655:683 )P655 - 683
8X-RAY DIFFRACTION8( CHAIN A AND RESID 1:17 )A1 - 17
9X-RAY DIFFRACTION9( CHAIN A AND RESID 18:40 )A18 - 40
10X-RAY DIFFRACTION10( CHAIN A AND RESID 41:76 )A41 - 76
11X-RAY DIFFRACTION11( CHAIN A AND RESID 77:103 )A77 - 103
12X-RAY DIFFRACTION12( CHAIN A AND RESID 104:120 )A104 - 120
13X-RAY DIFFRACTION13( CHAIN A AND RESID 121:133 )A121 - 133
14X-RAY DIFFRACTION14( CHAIN A AND RESID 134:148 )A134 - 148
15X-RAY DIFFRACTION15( CHAIN A AND RESID 149:202 )A149 - 202
16X-RAY DIFFRACTION16( CHAIN A AND RESID 203:216 )A203 - 216
17X-RAY DIFFRACTION17( CHAIN B AND RESID 2:17 )B2 - 17
18X-RAY DIFFRACTION18( CHAIN B AND RESID 18:47 )B18 - 47
19X-RAY DIFFRACTION19( CHAIN B AND RESID 48:74 )B48 - 74
20X-RAY DIFFRACTION20( CHAIN B AND RESID 75:97 )B75 - 97
21X-RAY DIFFRACTION21( CHAIN B AND RESID 98:116 )B98 - 116
22X-RAY DIFFRACTION22( CHAIN B AND RESID 117:132 )B117 - 132
23X-RAY DIFFRACTION23( CHAIN B AND RESID 133:153 )B133 - 153
24X-RAY DIFFRACTION24( CHAIN B AND RESID 154:174 )B154 - 174
25X-RAY DIFFRACTION25( CHAIN B AND RESID 175:190 )B175 - 190
26X-RAY DIFFRACTION26( CHAIN B AND RESID 191:200 )B191 - 200
27X-RAY DIFFRACTION27( CHAIN B AND RESID 201:209 )B201 - 209
28X-RAY DIFFRACTION28( CHAIN C AND RESID 655:683 )C655 - 683

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