Sequence alignment between 4tx4(B) and UniProt seq Q06445 (CYTI_VIGUN):

Q06445 (CYTI_VIGUN): Cysteine proteinase inhibitor from Vigna unguiculata
                 10        20        30        40        50        60        70        80        90       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MAALGGNRDVAGNQNSLEIDSLARFAVEEHNKKQNALLEFGRVVSAQQQVVSGTLYTITLEAKDGGQKKVYEAKVWEKPWLNFKELQEFKHVGDAPA
PDB seq: ---------------SLEIDSLARFAVEEHNKKQNALLEFGRVVSAQQQVVSGTLYTITLEAKDGGQKKVYEAKVWEKPWLNFKELQEFKHVGD---
                        ----+---------+---------+---------+---------+---------+---------+---------+----   
                           20        30        40        50        60        70        80        90