Theoretical p I and MW (Da) of identified proteins (n = 1237). Black spots represent candidates with pI ranged 5 to 9. Red spots represent eccentric proteins with acidic pI (3–5) or basic pI (9–12). Hspb1; Truncated heat shock protein 1[MW <4 KDa]. Ahnak; neuroblast differentiation- associated protein [MW ~ 600 KDa]. Sfrs7; isoforms 2 of splicing factor arginine/serine-rich 7 [pI 11.83]. Anp32a; Acidic leucine- rich nuclear phosphoprotein 32 [pI 3.99].