>sp|P62972|UBIQP_XENLA Polyubiquitin (Fragment) OS=Xenopus laevis OX=8355 PE=1 SV=2
QKESTLHLVLRLRGGMQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIF
AGKQLEDGRTLSDYNIQKESTLHLVLRLRGGMQIFVKTLTGKTITLEVEPSDTIENVKAK
IQDKEGIPPDQQRLIFAGKQLEDGRTLSDYNIQKESTLHLVLRLRGG