Bacillus phage Negev_SA 
Average proteome isoelectric point is 6.82 
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 57 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|A0A288WFX1|A0A288WFX1_9CAUD Uncharacterized protein OS=Bacillus phage Negev_SA OX=1983579 PE=4 SV=1MM1 pKa = 7.25  QKK3 pKa = 10.28  EE4 pKa = 4.17  NQFNSHH10 pKa = 6.98  EE11 pKa = 4.2  ILYY14 pKa = 10.22  GAALDD19 pKa = 4.29  PSSIGPTLPPTPTFTVPTGPTGPTGNTGPTGITGPTGNTGPTGITGPTGNTGPTGITGPTGNTGPTGDD87 pKa = 4.17  TGPTGNTGPTGPPDD101 pKa = 4.17  GPTGPTGPTGPTGPPDD117 pKa = 4.17  GPTGPTGPTGITGPTGDD134 pKa = 4.33  TGPTGITGPTGITGPTGVTGPTGITGPTGVTGPTGITGPTGDD176 pKa = 4.33  TGPTGITGPTGDD188 pKa = 4.28  TGPTGDD194 pKa = 4.24  TGPTGDD200 pKa = 4.24  TGPTGDD206 pKa = 4.27  TGPTGNTGPTGIVSVVFNQTNTSGLGTSLVVSLPAINVGINQIVKK251 pKa = 10.31  LDD253 pKa = 3.74  GFFTTNFISQATGTQFSIDD272 pKa = 3.64  AILFLRR278 pKa = 11.84  RR279 pKa = 11.84  DD280 pKa = 4.47  AIALTQIEE288 pKa = 4.45  EE289 pKa = 4.48  TEE291 pKa = 4.32  TIILKK296 pKa = 9.69  PVNTVSQIRR305 pKa = 11.84  AQSSVTWVDD314 pKa = 3.07  IPPPGIYY321 pKa = 9.04  IYY323 pKa = 11.63  NMILQVGGSNLSNSIIGPRR342 pKa = 11.84  NLTATVINNN351 pKa = 3.35  
 34.1 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.25 
IPC2_protein 3.884 
IPC_protein 3.872 
Toseland    3.643 
ProMoST     4.05 
Dawson      3.872 
Bjellqvist  4.037 
Wikipedia   3.846 
Rodwell     3.694 
Grimsley    3.554 
Solomon     3.859 
Lehninger   3.821 
Nozaki      3.999 
DTASelect   4.266 
Thurlkill   3.719 
EMBOSS      3.846 
Sillero     3.999 
Patrickios  3.719 
IPC_peptide 3.859 
IPC2_peptide  3.961 
IPC2.peptide.svr19  3.923 
 Protein with the highest isoelectric point: 
>tr|A0A288WFW1|A0A288WFW1_9CAUD Uncharacterized protein OS=Bacillus phage Negev_SA OX=1983579 PE=4 SV=1MM1 pKa = 7.26  RR2 pKa = 11.84  TWKK5 pKa = 10.13  KK6 pKa = 10.35  KK7 pKa = 7.96  HH8 pKa = 5.1  VKK10 pKa = 9.81  RR11 pKa = 11.84  AFLNRR16 pKa = 11.84  QKK18 pKa = 10.85  EE19 pKa = 3.9  IDD21 pKa = 3.67  KK22 pKa = 10.74  EE23 pKa = 4.02  RR24 pKa = 11.84  TAAAWRR30 pKa = 11.84  NIFVKK35 pKa = 10.61  SGIIKK40 pKa = 10.38  
 4.88 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.185 
IPC2_protein 10.072 
IPC_protein 11.272 
Toseland    11.637 
ProMoST     11.93 
Dawson      11.652 
Bjellqvist  11.52 
Wikipedia   12.003 
Rodwell     11.857 
Grimsley    11.667 
Solomon     12.018 
Lehninger   11.945 
Nozaki      11.608 
DTASelect   11.52 
Thurlkill   11.608 
EMBOSS      12.091 
Sillero     11.608 
Patrickios  11.594 
IPC_peptide 12.018 
IPC2_peptide  10.906 
IPC2.peptide.svr19  9.044 
 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
 
     
    
      
        57 
0
57 
12142
40
1332
213.0
24.26
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        6.177 ± 0.685
0.931 ± 0.182
5.617 ± 0.266
8.401 ± 0.335
4.06 ± 0.272
6.218 ± 0.471
1.647 ± 0.191
7.083 ± 0.312
9.455 ± 0.387
8.45 ± 0.393
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.619 ± 0.172
5.189 ± 0.208
2.924 ± 0.446
4.044 ± 0.324
4.662 ± 0.24
5.625 ± 0.25
5.963 ± 0.54
6.276 ± 0.222
1.112 ± 0.154
3.55 ± 0.246
          
     
  
  
  
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