Sequence alignment between 2b4c(L) and UniProt seq :

UniProt: 
PDB seq: ELVLTQSPGTLSLSAGERATLSCRASQSVSSGSLAWYQQKPGQAPRLLIYGASTRATGIPDRFSGSGSGTDFTLTIGRLEPEDLAVYYCQQYGTSPYTFGQGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSRDSTYSLGSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
         ---------+---------+----------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                 10        20         30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210