Polyubiquitin-B

K48-Ub4 protein

Organism: Homo sapiens

Monomeric molecular weight: 34.2 kDa

Oligomeric state: Monomer

Total molecular weight: 34.2 kDa

UniProt: P0CG47 (1-76)

Sequence:

MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGRQL EDGRTLSDYNIQKESTLHLVLRLRGG MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQL EDGRTLSDYNIQKESTLHLVLRLRGG MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQL EDGRTLSDYNIQKESTLHLVLRLRGG MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQL EDGRTLSDYNIQKESTLHLVLRLRGG

K48-linked tetraubiquitin with distal Ub as K48R Ub; all other units are Ub. Ub units are connected by K48-linkages. Chain was made enzymatically.