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

Physical Attributes:

 

Number of amino acids: 98

Molecular weight: 10802.4

Theoretical pI: 4.90

Amino acid composition:

Ala (A)   8	  8.2%
Arg (R)   5	  5.1%
Asn (N)   4	  4.1%
Asp (D)   6	  6.1%
Cys (C)   0	  0.0%
Gln (Q)   8	  8.2%
Glu (E)   5	  5.1%
Gly (G)   3	  3.1%
His (H)   1	  1.0%
Ile (I)   5	  5.1%
Leu (L)  11	 11.2%
Lys (K)   3	  3.1%
Met (M)   5	  5.1%
Phe (F)   2	  2.0%
Pro (P)   8	  8.2%
Ser (S)   6	  6.1%
Thr (T)   8	  8.2%
Trp (W)   0	  0.0%
Tyr (Y)   1	  1.0%
Val (V)   9	  9.2%

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

Total number of negatively charged residues (Asp + Glu): 11
Total number of positively charged residues (Arg + Lys): 8

Atomic composition:

Carbon      C	       472
Hydrogen    H	       778
Nitrogen    N	       130
Oxygen      O	       148
Sulfur      S	         5

Formula: C472H778N130O148S5
Total number of atoms: 1533

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 .

                      276     278     279     280     282
                       nm      nm      nm      nm      nm
Ext. coefficient     1450    1400    1345    1280    1200
Abs 0.1% (=1 g/l)   0.134   0.130   0.125   0.118   0.111


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 38.95
This classifies the protein as stable.



Aliphatic index: 98.47

Grand average of hydropathicity (GRAVY): -0.122 
 
            

Protein Sequence Feature:
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2003-4-26