>4l50B (B:) SEQRES residues
skghqsgiirvqinsrfegcleyetqlrrqfslqhvrvipgladadvggrlgigaahmlm
sllqpqqmlaigfgeatmntlqrlsgfissqqirlvtlsggvgsymtgigqlnaacsvni
ipaplrassadiartlknencvkdvllaaqaadvaivgigavsqqddatiirsgyisqge
qlmigrkgavgdilgyffdakgdvvtnikihneliglplsalktipvrvgvaggenkaea
iaaamkggyinalvtdqdtaaailrs