Name: putative uncharacterized protein [SARS coronavirus] Source Data:
(From: http://us.expasy.org)

Physical Attributes:

 

Number of amino acids: 122

Molecular weight: 13941.3

Theoretical pI: 8.24

Amino acid composition:

Ala (A)   8	  6.6%
Arg (R)   6	  4.9%
Asn (N)   2	  1.6%
Asp (D)   2	  1.6%
Cys (C)   6	  4.9%
Gln (Q)   5	  4.1%
Glu (E)   8	  6.6%
Gly (G)   4	  3.3%
His (H)   4	  3.3%
Ile (I)   7	  5.7%
Leu (L)  16	 13.1%
Lys (K)   6	  4.9%
Met (M)   1	  0.8%
Phe (F)  10	  8.2%
Pro (P)   6	  4.9%
Ser (S)   7	  5.7%
Thr (T)  12	  9.8%
Trp (W)   0	  0.0%
Tyr (Y)   5	  4.1%
Val (V)   7	  5.7%

Asx (B)   0	  0.0%
Glx (Z)   0	  0.0%
Xaa (X)   0	  0.0%

Total number of negatively charged residues (Asp + Glu): 10
Total number of positively charged residues (Arg + Lys): 12

Atomic composition:

Carbon      C	       639
Hydrogen    H	       995
Nitrogen    N	       161
Oxygen      O	       174
Sulfur      S	         7

Formula: C639H995N161O174S7
Total number of atoms: 1976

Extinction coefficients:

Conditions: 6.0 M guanidium hydrochloride
            0.02 M phosphate buffer
            pH 6.5

Extinction coefficients are in units of  M-1 cm-1 .

The first table lists values computed assuming ALL Cys 
residues appear as half cystines, whereas the second table 
assumes that NONE do. 

                      276     278     279     280     282
                       nm      nm      nm      nm      nm
Ext. coefficient     7685    7381    7085    6760    6360
Abs 0.1% (=1 g/l)   0.551   0.529   0.508   0.485   0.456



                      276     278     279     280     282
                       nm      nm      nm      nm      nm
Ext. coefficient     7250    7000    6725    6400    6000
Abs 0.1% (=1 g/l)   0.520   0.502   0.482   0.459   0.430


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 58.27
This classifies the protein as unstable.



Aliphatic index: 96.72

Grand average of hydropathicity (GRAVY): 0.218 
 
            

Protein Sequence Feature:
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2003-4-26