1RZK

HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN COMPLEXED WITH CD4 AND INDUCED NEUTRALIZING ANTIBODY 17B


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.297 
  • R-Value Work: 0.205 
  • R-Value Observed: 0.205 

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Ligand Structure Quality Assessment 


This is version 2.2 of the entry. See complete history


Literature

Structural basis of tyrosine sulfation and VH-gene usage in antibodies that recognize the HIV type 1 coreceptor-binding site on gp120

Huang, C.C.Venturi, M.Majeed, S.Moore, M.J.Phogat, S.Zhang, M.-Y.Dimitrov, D.S.Hendrickson, W.A.Robinson, J.Sodroski, J.Wyatt, R.Choe, H.Farzan, M.Kwong, P.D.

(2004) Proc Natl Acad Sci U S A 101: 2706-2711

  • DOI: https://doi.org/10.1073/pnas.0308527100
  • Primary Citation of Related Structures:  
    1RZ7, 1RZ8, 1RZF, 1RZG, 1RZI, 1RZJ, 1RZK

  • PubMed Abstract: 

    The conserved surface of the HIV-1 gp120 envelope glycoprotein that binds to the HIV-1 coreceptor is protected from humoral recognition by multiple layers of camouflage. Here we present sequence and genomic analyses for 12 antibodies that pierce these defenses and determine the crystal structures of 5. The data reveal mechanisms and atomic-level details for three unusual immune features: posttranslational mimicry of coreceptor by tyrosine sulfation of antibody, an alternative molecular mechanism controlling such sulfation, and highly selective V(H)-gene usage. When confronted by extraordinary viral defenses, the immune system unveils novel adaptive capabilities, with tyrosine sulfation enhancing the vocabulary of antigen recognition.


  • Organizational Affiliation

    Vaccine Research Center, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
ENVELOPE GLYCOPROTEIN GP120A [auth G]313Human immunodeficiency virus 1Mutation(s): 0 
UniProt
Find proteins for P35961 (Human immunodeficiency virus type 1 group M subtype B (isolate YU-2))
Explore P35961 
Go to UniProtKB:  P35961
Entity Groups  
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UniProt GroupP35961
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
T-CELL SURFACE GLYCOPROTEIN CD4B [auth C]185Homo sapiensMutation(s): 2 
UniProt & NIH Common Fund Data Resources
Find proteins for P01730 (Homo sapiens)
Explore P01730 
Go to UniProtKB:  P01730
GTEx:  ENSG00000010610 
Entity Groups  
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UniProt GroupP01730
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  • Reference Sequence
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
ANTIBODY 17B, LIGHT CHAINC [auth L]214Homo sapiensMutation(s): 0 
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  • Reference Sequence
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
ANTIBODY 17B, HEAVY CHAIND [auth H]229Homo sapiensMutation(s): 0 
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
NAG
Query on NAG

Download Ideal Coordinates CCD File 
E [auth G]
F [auth G]
G
H [auth G]
I [auth G]
E [auth G],
F [auth G],
G,
H [auth G],
I [auth G],
J [auth G],
K [auth G],
L [auth G],
M [auth G],
N [auth G],
O [auth G],
P [auth G],
Q [auth G],
R [auth G]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.90 Å
  • R-Value Free: 0.297 
  • R-Value Work: 0.205 
  • R-Value Observed: 0.205 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 174.98α = 90
b = 81.71β = 90.37
c = 74.48γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2004-02-03
    Type: Initial release
  • Version 1.1: 2008-04-29
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
  • Version 2.1: 2021-10-27
    Changes: Advisory, Database references, Structure summary
  • Version 2.2: 2023-08-23
    Changes: Data collection, Refinement description