Protein 4.1 is a major structural element of the erythrocyte membrane skeleton. It plays a key role in regulating membrane physical properties of mechanical stability and deformability by stabilizing spectrin-actin interaction. May be required for dynein-dynactin complex and NUMA1 recruitment at the mitotic cell cortex during anaphase.

801 amino acids

MTTEKGLLAEAESPPQDQKQEGEEEVESCTTQPVVGSGDKDPETEQSQESPSTTSPSTRKSKDRHSQGKGLSRLFSSFLKRPKSQVSSDEKEVELLGEKGQDQKDVDEGLGEQLEDDVFLKAPIAAPEPELRTDPSLDLHSLSSAETQPAQEEQKEDQDPEADCEDVEGKEPIKKPEGESKASHKVVRRSPNMRCKVTLLDDTVYECDLEKHAKGQDIFKKVCSHLNIVEEDYFGLAIWESPTCKVWLDPLKDIRKQVHGGPCEFTSNVKFYPPDPAQLSEDITRYYLCLQLRKDIFSGRLPCSFATLALLGSYTVQSEVGDYEEDLHGVDYVSEFKLSPNQTKDLEEKVGELHKSYRSMTPAQADLEFLENAKKLTMYGVDIHQAKDLEGVDIKLGVCSGGLMVFKDNLRINRFPWPKVLKISYKRSSFFIKIRPGEQEQYESTIGFKLPSYKAAKKLWKVCVEHHTFFRLTSTESIPKHRFLSLGSTFRYSGRTQAQTRHASALIDRPAPHFVRTGSKRASRSLDGAAVATPEASRTHRPVSAPVFPPEFPAVQRKTPGPRVEEMPKKTEEKPKEGMPNQRESPKDVKATQQDSPSPTVNGDKVKDLEKTQDEIIRHHASIRELKKSFMESVPAPRPSEWDKRLSTHSPFRTLSFNGQVQTGTDGPPLVKTQTVTISNATNGEKGEIPTKEVPLVHTETKTITYEAARSDDVNTDQEPGILLTAHTITSETTSSTTTTQITKTVKGGISETLIEKRIVITGDGDLDHDQVLVQAIKEAKEQHPDMSVTKGVVHQETEIA

89.4 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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