1RZI | pdb_00001rzi

Crystal structure of human anti-HIV-1 gp120-reactive antibody 47e fab

PDB DOI: https://doi.org/10.2210/pdb1RZI/pdb

Classification: IMMUNE SYSTEM
Organism(s): Homo sapiens
Expression System: human gammaherpesvirus 4
Mutation(s): No

Deposited: 2003-12-24 Released: 2004-02-03
Deposition Author(s): 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.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.90 Å
R-Value Free:
0.321 (Depositor), 0.319 (DCC)
R-Value Work:
0.233 (Depositor), 0.232 (DCC)
R-Value Observed:
0.233 (Depositor)

wwPDB Validation 3D Report Full Report

This is version 1.3 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

PubMed: 14981267 Search on PubMed Search on PubMed Central
DOI: https://doi.org/10.1073/pnas.0308527100
Primary Citation 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.

Macromolecule Content

Total Structure Weight: 378.6 kDa
Atom Count: 25,973
Modeled Residue Count: 3,417
Deposited Residue Count: 3,536
Unique protein chains: 2

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab 47e light chain	A, C, E, G, I A, C, E, G, I, K, M, O	212	Homo sapiens	Mutation(s): 0

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| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab 47e heavy chain	B, D, F, H, J B, D, F, H, J, L, N, P	230	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.90 Å
R-Value Free: 0.321 (Depositor), 0.319 (DCC)
R-Value Work: 0.233 (Depositor), 0.232 (DCC)
R-Value Observed: 0.233 (Depositor)

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.43	α = 85.48
b = 111.645	β = 90
c = 133.309	γ = 89.71

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing
CNS	refinement

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2004-02-03

Deposition Author(s):

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: Version format compliance
Version 1.3: 2024-10-09
Changes: Data collection, Database references, Structure summary