Bacillus phage 1 
Average proteome isoelectric point is 6.68 
Get precalculated fractions of proteins 
 
  
    Acidic  
 
  
    pI < 6.8  
 
  
    6.8-7.4  
 
  
    pI > 7.4  
 
  
    Basic  
    
 
  
    All  
 
Note: above files contain also dissociation constants (pKa) 
Virtual 2D-PAGE plot for 54 proteins (isoelectric point calculated using IPC2_protein) 
 
Get csv file with sequences according to given criteria: 
* You can choose from 21 different methods for calculating isoelectric point 
 Summary statistics related to proteome-wise predictions 
Protein with the lowest isoelectric point: 
>tr|A6XMI7|A6XMI7_9CAUD Uncharacterized protein OS=Bacillus phage 1 OX=2785079 PE=4 SV=1MM1 pKa = 7.59  LVRR4 pKa = 11.84  FSLLYY9 pKa = 9.85  KK10 pKa = 10.2  SGYY13 pKa = 9.27  EE14 pKa = 3.8  DD15 pKa = 4.64  VIEE18 pKa = 4.23  QVCLPSEE25 pKa = 4.24  VGNIIQTIRR34 pKa = 11.84  GSFYY38 pKa = 10.24  EE39 pKa = 4.68  DD40 pKa = 3.15  SPGYY44 pKa = 10.27  ISFGDD49 pKa = 3.98  EE50 pKa = 3.8  NLKK53 pKa = 10.86  GYY55 pKa = 9.82  IINVQEE61 pKa = 4.09  VARR64 pKa = 11.84  VKK66 pKa = 10.39  MEE68 pKa = 3.72  ILEE71 pKa = 4.77  GGDD74 pKa = 3.43  SS75 pKa = 3.4  
 8.42 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.266 
IPC2_protein 4.418 
IPC_protein 4.24 
Toseland    4.088 
ProMoST     4.355 
Dawson      4.177 
Bjellqvist  4.342 
Wikipedia   4.05 
Rodwell     4.075 
Grimsley    3.999 
Solomon     4.177 
Lehninger   4.126 
Nozaki      4.304 
DTASelect   4.406 
Thurlkill   4.101 
EMBOSS      4.075 
Sillero     4.342 
Patrickios  3.121 
IPC_peptide 4.177 
IPC2_peptide  4.342 
IPC2.peptide.svr19  4.263 
 Protein with the highest isoelectric point: 
>tr|B3RH36|B3RH36_9CAUD FtsK/SpoiiiE family protein OS=Bacillus phage 1 OX=2785079 PE=4 SV=1MM1 pKa = 7.42  FGLGKK6 pKa = 9.64  PRR8 pKa = 11.84  SKK10 pKa = 10.37  FGKK13 pKa = 8.39  WVDD16 pKa = 3.65  RR17 pKa = 11.84  MGLTQEE23 pKa = 4.24  EE24 pKa = 4.75  IARR27 pKa = 11.84  KK28 pKa = 9.44  AKK30 pKa = 10.2  VGRR33 pKa = 11.84  TTISNMCKK41 pKa = 10.17  DD42 pKa = 3.79  PEE44 pKa = 4.24  YY45 pKa = 10.71  KK46 pKa = 10.08  PRR48 pKa = 11.84  ISTWVKK54 pKa = 9.66  VEE56 pKa = 4.07  RR57 pKa = 11.84  ALKK60 pKa = 10.07  SLGYY64 pKa = 8.81  SVKK67 pKa = 10.63  RR68 pKa = 11.84  EE69 pKa = 3.94  DD70 pKa = 4.72  FFDD73 pKa = 3.24  II74 pKa = 4.78  
 8.61 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.089 
IPC2_protein 9.297 
IPC_protein 9.297 
Toseland    10.306 
ProMoST     9.809 
Dawson      10.409 
Bjellqvist  9.999 
Wikipedia   10.511 
Rodwell     11.023 
Grimsley    10.438 
Solomon     10.452 
Lehninger   10.438 
Nozaki      10.292 
DTASelect   9.999 
Thurlkill   10.292 
EMBOSS      10.687 
Sillero     10.321 
Patrickios  10.789 
IPC_peptide 10.452 
IPC2_peptide  8.492 
IPC2.peptide.svr19  8.355 
 Peptides (in silico  digests for buttom-up proteomics) 
Below you can find 
in silico  digests of the whole proteome with Trypsin, Chymotrypsin, Trypsin+LysC, LysN, ArgC proteases suitable for different mass spec machines.
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
   
  
General Statistics 
    
      
        Number of major isoforms
Number of additional isoforms
Number of all proteins
Number of amino acids
Min. Seq. Length
Max. Seq. Length
Avg. Seq. Length
Avg. Mol. Weight
 
     
    
      
        54 
0
54 
10591
32
955
196.1
22.4
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        7.308 ± 0.564
0.935 ± 0.171
5.675 ± 0.246
8.148 ± 0.374
4.287 ± 0.261
6.052 ± 0.331
1.813 ± 0.218
7.261 ± 0.276
7.875 ± 0.366
8.649 ± 0.263
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.644 ± 0.169
4.579 ± 0.268
3.305 ± 0.185
3.73 ± 0.218
5.731 ± 0.316
5.193 ± 0.301
5.278 ± 0.294
6.307 ± 0.31
1.19 ± 0.132
4.041 ± 0.308
          
     
  
  
  
Note:  For amino acid frequency statistics the error has been estimated with the bootstraping (x100) at the protein levelMost of the basic statistics you can see at this page can be downloaded from this CSV file  
For dipeptide frequency statistics click here