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ProtParam

User-provided sequence:

        10         20         30         40         50         60 
MSSRQGGKMK PLKQKKKQQQ DLDPEDIAFK EKQKADAAAK KALMANMKSG KPLVGGGIKK


SGKK


References and documentation are available.

Number of amino acids: 64 Molecular weight: 6941.25 Theoretical pI: 10.26
Amino acid composition: 
Ala (A) 7 10.9% Arg (R) 1 1.6% Asn (N) 1 1.6% Asp (D) 4 6.2% Cys (C) 0 0.0% Gln (Q) 6 9.4% Glu (E) 2 3.1% Gly (G) 7 10.9% His (H) 0 0.0% Ile (I) 2 3.1% Leu (L) 4 6.2% Lys (K) 17 26.6% Met (M) 4 6.2% Phe (F) 1 1.6% Pro (P) 3 4.7% Ser (S) 4 6.2% Thr (T) 0 0.0% Trp (W) 0 0.0% Tyr (Y) 0 0.0% Val (V) 1 1.6% Pyl (O) 0 0.0% Sec (U) 0 0.0% (B) 0 0.0% (Z) 0 0.0% (X) 0 0.0%
Total number of negatively charged residues (Asp + Glu): 6 Total number of positively charged residues (Arg + Lys): 18 Atomic composition: Carbon C 300 Hydrogen H 523 Nitrogen N 91 Oxygen O 88 Sulfur S 4 Formula: C300H523N91O88S4 Total number of atoms: 1006 Extinction coefficients: As there are no Trp, Tyr or Cys in the region considered, your protein should not be visible by UV spectrophotometry. Estimated half-life: The N-terminal of the sequence considered is M (Met). The estimated half-life is: 30 hours (mammalian reticulocytes, in vitro). >20 hours (yeast, in vivo). >10 hours (Escherichia coli, in vivo). Instability index: The instability index (II) is computed to be 49.08 This classifies the protein as unstable. Aliphatic index: 52.03 Grand average of hydropathicity (GRAVY): -1.183