5U7O

Crystal Structure of HIV-1 BG505 SOSIP.664 Prefusion Env Trimer Bound to Small Molecule HIV-1 Entry Inhibitor BMS-626529 in Complex with Human Antibodies PGT122 and 35O22 at 3.8 Angstrom


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.03 Å
  • R-Value Free: 0.325 
  • R-Value Work: 0.272 
  • R-Value Observed: 0.275 

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Literature

Crystal structures of trimeric HIV envelope with entry inhibitors BMS-378806 and BMS-626529.

Pancera, M.Lai, Y.T.Bylund, T.Druz, A.Narpala, S.O'Dell, S.Schon, A.Bailer, R.T.Chuang, G.Y.Geng, H.Louder, M.K.Rawi, R.Soumana, D.I.Finzi, A.Herschhorn, A.Madani, N.Sodroski, J.Freire, E.Langley, D.R.Mascola, J.R.McDermott, A.B.Kwong, P.D.

(2017) Nat Chem Biol 13: 1115-1122

  • DOI: https://doi.org/10.1038/nchembio.2460
  • Primary Citation of Related Structures:  
    5U7M, 5U7O

  • PubMed Abstract: 

    The HIV-1 envelope (Env) spike is a conformational machine that transitions between prefusion (closed, CD4- and CCR5-bound) and postfusion states to facilitate HIV-1 entry into cells. Although the prefusion closed conformation is a potential target for inhibition, development of small-molecule leads has been stymied by difficulties in obtaining structural information. Here, we report crystal structures at 3.8-Å resolution of an HIV-1-Env trimer with BMS-378806 and a derivative BMS-626529 for which a prodrug version is currently in Phase III clinical trials. Both lead candidates recognized an induced binding pocket that was mostly excluded from solvent and comprised of Env elements from a conserved helix and the β20-21 hairpin. In both structures, the β20-21 region assumed a conformation distinct from prefusion-closed and CD4-bound states. Together with biophysical and antigenicity characterizations, the structures illuminate the allosteric and competitive mechanisms by which these small-molecule leads inhibit CD4-induced structural changes in Env.


  • Organizational Affiliation

    Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Envelope glycoprotein gp160A [auth B]153Human immunodeficiency virus 1Mutation(s): 2 
Gene Names: env
UniProt
Find proteins for Q2N0S5 (Human immunodeficiency virus 1)
Explore Q2N0S5 
Go to UniProtKB:  Q2N0S5
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ2N0S5
Glycosylation
Glycosylation Sites: 3
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
35O22 FAB HEAVY CHAINB [auth D]243Homo sapiensMutation(s): 0 
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
35O22 FAB LIGHT CHAINC [auth E]216Homo sapiensMutation(s): 0 
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Envelope glycoprotein gp160D [auth G]481Human immunodeficiency virus 1Mutation(s): 6 
Gene Names: env
UniProt
Find proteins for Q2N0S5 (Human immunodeficiency virus 1)
Explore Q2N0S5 
Go to UniProtKB:  Q2N0S5
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ2N0S5
Glycosylation
Glycosylation Sites: 18
Sequence Annotations
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  • Reference Sequence
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
PGT122 FAB HEAVY CHAINE [auth H]235Homo sapiensMutation(s): 0 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Glycosylation
Glycosylation Sites: 1
Sequence Annotations
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  • Reference Sequence
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
PGT122 FAB LIGHT CHAINF [auth L]213Homo sapiensMutation(s): 0 
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  • Reference Sequence
Oligosaccharides

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Entity ID: 7
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseG [auth A]7N-Glycosylation
Glycosylation Resources
GlyTouCan:  G55220VL
GlyCosmos:  G55220VL
GlyGen:  G55220VL
Entity ID: 8
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseH [auth C]4N-Glycosylation
Glycosylation Resources
GlyTouCan:  G81315DD
GlyCosmos:  G81315DD
GlyGen:  G81315DD
Entity ID: 9
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoseI [auth F]5N-Glycosylation
Glycosylation Resources
GlyTouCan:  G22768VO
GlyCosmos:  G22768VO
GlyGen:  G22768VO
Entity ID: 10
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
J [auth I],
K [auth J],
L [auth K],
N,
O,
J [auth I],
K [auth J],
L [auth K],
N,
O,
Q,
R,
S
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT
GlyCosmos:  G42666HT
GlyGen:  G42666HT
Entity ID: 11
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
M
6N-Glycosylation
Glycosylation Resources
GlyTouCan:  G56014GC
GlyCosmos:  G56014GC
GlyGen:  G56014GC
Entity ID: 12
MoleculeChains Length2D Diagram Glycosylation3D Interactions
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
P
10N-Glycosylation
Glycosylation Resources
GlyTouCan:  G91704UR
GlyCosmos:  G91704UR
GlyGen:  G91704UR
Entity ID: 13
MoleculeChains Length2D Diagram Glycosylation3D Interactions
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
T
3N-Glycosylation
Glycosylation Resources
GlyTouCan:  G15407YE
GlyCosmos:  G15407YE
GlyGen:  G15407YE
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
83J
Query on 83J

Download Ideal Coordinates CCD File 
FA [auth G]1-[4-(benzenecarbonyl)piperazin-1-yl]-2-[4-methoxy-7-(3-methyl-1H-1,2,4-triazol-1-yl)-1H-pyrrolo[2,3-c]pyridin-3-yl]ethane-1,2-dione
C24 H23 N7 O4
QRPZBKAMSFHVRW-UHFFFAOYSA-N
NAG
Query on NAG

Download Ideal Coordinates CCD File 
BA [auth G]
CA [auth G]
DA [auth G]
EA [auth G]
GA [auth H]
BA [auth G],
CA [auth G],
DA [auth G],
EA [auth G],
GA [auth H],
V [auth B],
W [auth B],
X [auth B]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
AA [auth G],
HA [auth L],
U [auth B],
Y [auth G],
Z [auth G]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.03 Å
  • R-Value Free: 0.325 
  • R-Value Work: 0.272 
  • R-Value Observed: 0.275 
  • Space Group: P 63
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 131.027α = 90
b = 131.027β = 90
c = 311.491γ = 120
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2017-08-30
    Type: Initial release
  • Version 1.1: 2017-09-06
    Changes: Database references
  • Version 1.2: 2017-09-20
    Changes: Structure summary
  • Version 1.3: 2017-09-27
    Changes: Database references
  • Version 1.4: 2017-10-18
    Changes: Structure summary
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Structure summary
  • Version 2.1: 2024-10-23
    Changes: Data collection, Database references, Derived calculations, Structure summary