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ProtParam

User-provided sequence:

        10         20         30         40         50         60 
MEPDNSPRKI QFTVPLLEPH LDPEAAEQIR RRRPTPATLV LTSDQSSPEI DEDRIPNSLL

70 80 90 100 110 120
KSTLSMSPRQ RKKMTRTTPT MKELQTMVEH HLGQQKQGEE PEGATESTGN QESCPPGIPD

130 140 150 160 170
TGSASRPDTP GTAQKSAESN PKTQEQCGVE PRTEDSSAHM LPLDSQGASL V


References and documentation are available.

Number of amino acids: 171 Molecular weight: 18717.76 Theoretical pI: 5.15
Amino acid composition: 
Ala (A) 9 5.3% Arg (R) 11 6.4% Asn (N) 4 2.3% Asp (D) 9 5.3% Cys (C) 2 1.2% Gln (Q) 13 7.6% Glu (E) 17 9.9% Gly (G) 9 5.3% His (H) 4 2.3% Ile (I) 5 2.9% Leu (L) 13 7.6% Lys (K) 8 4.7% Met (M) 6 3.5% Phe (F) 1 0.6% Pro (P) 20 11.7% Ser (S) 18 10.5% Thr (T) 17 9.9% Trp (W) 0 0.0% Tyr (Y) 0 0.0% Val (V) 5 2.9% 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): 26 Total number of positively charged residues (Arg + Lys): 19 Atomic composition: Carbon C 785 Hydrogen H 1287 Nitrogen N 237 Oxygen O 276 Sulfur S 8 Formula: C785H1287N237O276S8 Total number of atoms: 2593 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 125 Abs 0.1% (=1 g/l) 0.007, 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 66.69 This classifies the protein as unstable. Aliphatic index: 54.80 Grand average of hydropathicity (GRAVY): -1.039