4S1X | pdb_00004s1x

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Truncated hemagglutinin	host cell surface binding binding host cell surface receptor binding	membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle endocytosis involved in viral entry into host cell biological process involved in interaction with host membrane organization cellular component organization membrane fusion fusion of virus membrane with host plasma membrane viral process cellular process cellular component organization or biogenesis membrane fusion involved in viral entry into host cell biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host viral life cycle endocytosis involved in viral entry into host cell biological process involved in interaction with host biological process involved in symbiotic interaction	virion component viral membrane viral envelope

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR001364	Haemagglutinin, influenzavirus A/B	Family
A, B, C, D, E A, B, C, D, E, F	IPR000386	Haemagglutinin, influenzavirus B	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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