>5niv_B mol:protein length:221 Heavy chain of 5D3 Fab
QVQLQESGPGLVKPSQSLSLTCTVTGFSITSDYAWNWIRQFPGKKLEWMGYINFDGGTTYNPSLRGRISITRDTSKNQFFLQLRSVTPEDTATYYCATFYGAKGTLDYWGQGTSVTVSSAKTTPPSVYPLAPVCGDTSGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPRGP