30BG | pdb_000030bg

Structure of the Hepatitis C Virus E2 Core from Genotype 6a in Complex with 1-69 Germline-Reverted Variants of the Broadly Neutralizing Antibody U1

• PDB DOI: https://doi.org/10.2210/pdb30BG/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Recombinant Hepatitis C virus HK6a/JFH-1, Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 


• Deposited: 2026-04-19 Released: 2026-10-07 
• Deposition Author(s): Yechezkel, I., Tzarum, N.
• Funding Organization(s): United States - Israel Binational Science Foundation (BSF), Israel Science Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.31 Å
• R-Value Free: 
  0.324 (Depositor), 0.319 (DCC) 
• R-Value Work: 
  0.268 (Depositor), 0.268 (DCC) 
• R-Value Observed: 
  0.270 (Depositor) 

Starting Model: experimental

Literature

Structural and biochemical studies of the hepatitis C virus envelope proteins to promote germline-targeting vaccine design

Yechezkel, I., Maymon, H., Tennenhouse, A., Chen, F., Tarabih, H., Weisz, J., Fraenkel, R., Fleishman, S.J., law, M., Tzarum, N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A1B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 68.76 kDa 
• Atom Count: 4,405 
• Modeled Residue Count: 572 
• Deposited Residue Count: 633 
• Unique protein chains: 3

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HCV E2 envelope protein	A [auth E]	189	Recombinant Hepatitis C virus HK6a/JFH-1	Mutation(s): 0
Glycosylation
Glycosylation Sites: 2

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab U1 1-69 heavy chain	B [auth H]	230	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Fab U1 1-69 light chain	C [auth L]	214	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG (Subject of Investigation/LOI)	D [auth E], E	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.31 Å
• R-Value Free:  0.324 (Depositor), 0.319 (DCC) 
• R-Value Work:  0.268 (Depositor), 0.268 (DCC) 
• R-Value Observed: 0.270 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.849	α = 90
b = 79.072	β = 90
c = 133.51	γ = 90

Software Package:

Software Name	Purpose
PHASES	phasing
PHENIX	refinement
autoPROC	data reduction
autoPROC	data scaling
autoPROC	data processing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-10-07 
Deposition Author(s): Yechezkel, I., Tzarum, N.

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Funding Organization	Location	Grant Number
United States - Israel Binational Science Foundation (BSF)	United States	2021-165
Israel Science Foundation	Israel	1600/21

Revision History  

• Version 1.0: 2026-10-07
  Type: Initial release