Because of a lapse in government funding, the information on this
website may not be up to date, transactions submitted via the
website may not be processed, and the agency may not be able to
respond to inquiries until appropriations are enacted. The NIH
Clinical Center (the research hospital of NIH) is open. For more
details about its operating status, please visit
cc.nih.gov. Updates
regarding government operating status and resumption of normal
operations can be found at
opm.gov.
Fv protein, human MeSH Supplementary Concept Data 2025
produced during viral hepatitis; an activator of human basophils and mast cells; binds the variable domain of the heavy chains of immunoglobulins; previously termed protein F; do not confuse with outer membrane protein F; amino acid sequence has been determined