6533b872fe1ef96bd12d3b00

RESEARCH PRODUCT

Fine-mapping of the B-cell epitope domain at the N-terminus of the preS2 region of the hepatitis B surface antigen

Juris JansonsWolfram H. GerlichC. M. G. SunnenDirk SobottaIrina SominskayaDzidra DreilinaW. P. PaulijPaul PumpensHelga Meisel

subject

HBsAgmedicine.drug_classBlotting WesternMolecular Sequence DataImmunologyMonoclonal antibodyEpitopeMiceViral Envelope ProteinsmedicineAnimalsImmunology and AllergyAmino Acid SequenceProtein PrecursorsPeptide sequenceHepatitis B Surface AntigensLinear epitopebiologyAntibodies MonoclonalMolecular biologyEpitope mappingPepscanbiology.proteinEpitopes B-LymphocyteAntibodyEpitope Mapping

description

In this study, we report the exact localization and substitutional characterization of a B-cell epitope domain at the N-terminus of the preS2 region of the hepatitis B surface antigen. A set of deletion variants containing preS2 sequences of different length was generated on the basis of frCP as a carrier. It was found after Western blot analysis that three monoclonal antibodies (MAbs) (2-11B1, 3-11C2, HB.OT10) recognized the linear preS2 sequence within the amino acid (aa) stretch 3-WNSTTFHQTLQDP-13. The importance of each aa residue of the epitope was proved by comparison of antibody binding to alanine-substituted peptides in both free-peptide and Pepscan variants.

https://doi.org/10.1016/s0022-1759(01)00551-8