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ProtParam

User-provided sequence:

        10         20         30         40         50         60 
MSSLSTSDLA SLDDTSKKEI ATFLEGENSK QKVQMSIHQF TNICFKKCVE SVNDSNLSSQ

70 80
EEQCLSNCVN RFLDTNIRIV NGLQNTR


References and documentation are available.

Number of amino acids: 87 Molecular weight: 9763.91 Theoretical pI: 5.24
Amino acid composition: 
Ala (A) 2 2.3% Arg (R) 3 3.4% Asn (N) 9 10.3% Asp (D) 5 5.7% Cys (C) 4 4.6% Gln (Q) 6 6.9% Glu (E) 6 6.9% Gly (G) 2 2.3% His (H) 1 1.1% Ile (I) 5 5.7% Leu (L) 8 9.2% Lys (K) 6 6.9% Met (M) 2 2.3% Phe (F) 4 4.6% Pro (P) 0 0.0% Ser (S) 13 14.9% Thr (T) 6 6.9% Trp (W) 0 0.0% Tyr (Y) 0 0.0% Val (V) 5 5.7% 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): 11 Total number of positively charged residues (Arg + Lys): 9 Atomic composition: Carbon C 410 Hydrogen H 671 Nitrogen N 119 Oxygen O 144 Sulfur S 6 Formula: C410H671N119O144S6 Total number of atoms: 1350 Extinction coefficients: This protein does not contain any Trp residues. Experience shows that this could result in more than 10% error in the computed extinction coefficient. Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 250 Abs 0.1% (=1 g/l) 0.026, assuming all pairs of Cys residues form cystines Ext. coefficient 0 Abs 0.1% (=1 g/l) 0.000, assuming all Cys residues are reduced 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 45.11 This classifies the protein as unstable. Aliphatic index: 77.24 Grand average of hydropathicity (GRAVY): -0.506