9GVL | pdb_00009gvl

type-I interferons autoantibody pmab15 in complex with Interferon alpha-2

• PDB DOI: https://doi.org/10.2210/pdb9GVL/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Drosophila melanogaster
• Mutation(s): No 


• Deposited: 2024-09-25 Released: 2025-10-08 
• Deposition Author(s): Duquerroy, S., Rey, F., Mahevas, M., Chappert, P., Ahouzi, O.
• Funding Organization(s): French National Research Agency, National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID), Fondation pour la Recherche Medicale (FRM)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.01 Å
• R-Value Free: 
  0.270 (Depositor), 0.263 (DCC) 
• R-Value Work: 
  0.214 (Depositor), 0.209 (DCC) 
• R-Value Observed: 
  0.217 (Depositor) 

Starting Models: experimental, in silico

Literature

Temporal and structural insights into type-I interferons autoantibodies in severe COVID-19

Vanderkerken, M., Fournier, M., Dorgham, K., Bastard, P., Ahouzi, O., Duquerroy, S., Nguyen, N.K., Broutin, M., Charlet, M., Vandenberghe, A., Bizien, L., Da Mata-Jardin, O., Haouz, A., Belmondo, T., Hue, S., Borghesi, A., Rodriguez-Gallego, C., Vinh, D., Andreakos, V., Haerynck, F., Halwani, R., Hammerstrom, T.Q.P., Bjorkstrom, N., Strunz, B., Mogensen, T., Trouillet, S., Neven, B., Rodriguez-Gallego, C., Levy, R., Le Voyer, T., Delmonte, O., O'Farrelly, C., Riviere, J., Amador Borrero, B., Servettaz, A., Crickx, E., Michel, M., Puel, A., Abel, L., Luyt, C.E., Mathian, A., Amoura, Z., weill, J.C., Casanova, J.L., Rey, F.A., Gorochov, G., Chappert, P., Mahevas, M.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: homology

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: homology

Macromolecule Content 

• Total Structure Weight: 105.15 kDa 
• Atom Count: 5,953 
• Modeled Residue Count: 725 
• Deposited Residue Count: 964 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon alpha-2	A, B	188	Homo sapiens	Mutation(s): 0  Gene Names: IFNA2, IFNA2A, IFNA2B, IFNA2C
UniProt & NIH Common Fund Data Resources
Find proteins for P01563 (Homo sapiens) Explore P01563  Go to UniProtKB:  P01563
PHAROS:  P01563 GTEx:  ENSG00000188379

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
scFv type-I interferons autoantibody pmab15	C [auth H], D [auth I]	294	Homo sapiens	Mutation(s): 0  Gene Names: IFNA2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	F [auth B], G [auth H], H [auth I]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.01 Å
• R-Value Free:  0.270 (Depositor), 0.263 (DCC) 
• R-Value Work:  0.214 (Depositor), 0.209 (DCC) 
• R-Value Observed: 0.217 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.159	α = 90
b = 83.719	β = 113.8
c = 70.264	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
XDS	data reduction
autoPROC	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-10-08 
Deposition Author(s): Duquerroy, S., Rey, F., Mahevas, M., Chappert, P., Ahouzi, O.

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Funding Organization	Location	Grant Number
French National Research Agency	France	ANR-22-CE15-0047-01
French National Research Agency	France	ANR-24-CHBS-0003
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R01AI088364
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R01AI163029
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R21AI160576
French National Research Agency	France	ANR-10-IAHU-01
French National Research Agency	France	ANR-10-LABX-62-IBEID
Fondation pour la Recherche Medicale (FRM)	France	EQU201903007798
French National Research Agency	France	ANR-20-CE93-003
French National Research Agency	France	ANR-21-LIBA-0002
French National Research Agency	France	ANR-21-RHUS-08

Revision History  

• Version 1.0: 2025-10-08
  Type: Initial release