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ProtParam

User-provided sequence:

        10         20         30         40         50 
MAHENVWFSH PRRYGKGSRQ CRVCSSHTGL IRKYGLNICR QCFREKANDI GFNKFR


References and documentation are available.

Number of amino acids: 56 Molecular weight: 6660.66 Theoretical pI: 10.31
Amino acid composition: 
Ala (A) 2 3.6% Arg (R) 8 14.3% Asn (N) 4 7.1% Asp (D) 1 1.8% Cys (C) 4 7.1% Gln (Q) 2 3.6% Glu (E) 2 3.6% Gly (G) 5 8.9% His (H) 3 5.4% Ile (I) 3 5.4% Leu (L) 2 3.6% Lys (K) 4 7.1% Met (M) 1 1.8% Phe (F) 4 7.1% Pro (P) 1 1.8% Ser (S) 4 7.1% Thr (T) 1 1.8% Trp (W) 1 1.8% Tyr (Y) 2 3.6% Val (V) 2 3.6% 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): 3 Total number of positively charged residues (Arg + Lys): 12 Atomic composition: Carbon C 289 Hydrogen H 451 Nitrogen N 97 Oxygen O 76 Sulfur S 5 Formula: C289H451N97O76S5 Total number of atoms: 918 Extinction coefficients: Extinction coefficients are in units of M-1 cm-1, at 280 nm measured in water. Ext. coefficient 8730 Abs 0.1% (=1 g/l) 1.311, assuming all pairs of Cys residues form cystines Ext. coefficient 8480 Abs 0.1% (=1 g/l) 1.273, 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 31.74 This classifies the protein as stable. Aliphatic index: 48.75 Grand average of hydropathicity (GRAVY): -0.848