>3vi4_E mol:protein length:219 SG/19 Fab fragment (Light chain) DIVMTQATPSIPVTPGESVSISCRSNKSLLHSNGNTYLYWFLQRPGQSPRLLIFRMSNL ASGVPDRFSGSGSGTAFTLRISRVEAADVGIYFCLQHLEYPFTFGAGTKLELKRADAAP TVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDST YSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC