Enterobacteria phage fiAA91-ss 
Average proteome isoelectric point is 6.83 
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 40 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|U5N3F0|U5N3F0_9CAUD Baseplate protein OS=Enterobacteria phage fiAA91-ss OX=1357825 GN=V PE=4 SV=1MM1 pKa = 7.21  KK2 pKa = 9.98  TFALQGDD9 pKa = 4.3  TLDD12 pKa = 4.87  AICVRR17 pKa = 11.84  YY18 pKa = 9.77  YY19 pKa = 11.04  GRR21 pKa = 11.84  TEE23 pKa = 4.08  GVVEE27 pKa = 4.51  AVLAANPGLAEE38 pKa = 4.58  LGAVLPHH45 pKa = 5.85  GTAVEE50 pKa = 4.18  LPDD53 pKa = 3.66  VQTAPVAEE61 pKa = 4.29  TVNLWEE67 pKa = 4.2  
 7.05 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.261 
IPC2_protein 4.355 
IPC_protein 4.139 
Toseland    3.986 
ProMoST     4.164 
Dawson      4.088 
Bjellqvist  4.355 
Wikipedia   3.973 
Rodwell     3.986 
Grimsley    3.91 
Solomon     4.075 
Lehninger   4.024 
Nozaki      4.228 
DTASelect   4.317 
Thurlkill   4.024 
EMBOSS      3.986 
Sillero     4.253 
Patrickios  3.249 
IPC_peptide 4.075 
IPC2_peptide  4.24 
IPC2.peptide.svr19  4.199 
 Protein with the highest isoelectric point: 
>tr|U5N0U2|U5N0U2_9CAUD DUF5405 domain-containing protein OS=Enterobacteria phage fiAA91-ss OX=1357825 PE=4 SV=1MM1 pKa = 7.44  NEE3 pKa = 4.18  FKK5 pKa = 10.81  RR6 pKa = 11.84  FEE8 pKa = 4.32  DD9 pKa = 3.63  RR10 pKa = 11.84  LTGLIEE16 pKa = 4.13  SLSPSGRR23 pKa = 11.84  RR24 pKa = 11.84  RR25 pKa = 11.84  LSAEE29 pKa = 3.33  LAKK32 pKa = 10.46  RR33 pKa = 11.84  LRR35 pKa = 11.84  QSQQRR40 pKa = 11.84  RR41 pKa = 11.84  VMAQKK46 pKa = 10.87  APDD49 pKa = 3.77  GTPYY53 pKa = 10.98  APRR56 pKa = 11.84  QQQSARR62 pKa = 11.84  KK63 pKa = 7.47  KK64 pKa = 7.38  TGRR67 pKa = 11.84  VKK69 pKa = 10.73  RR70 pKa = 11.84  KK71 pKa = 8.61  MFAKK75 pKa = 10.7  LITSRR80 pKa = 11.84  FLHH83 pKa = 6.02  IRR85 pKa = 11.84  ASPEE89 pKa = 3.64  QASMEE94 pKa = 4.49  FYY96 pKa = 10.64  GGKK99 pKa = 9.19  SPKK102 pKa = 9.38  IASVHH107 pKa = 4.38  QFGLSEE113 pKa = 4.18  EE114 pKa = 4.23  TRR116 pKa = 11.84  KK117 pKa = 10.46  DD118 pKa = 3.29  GKK120 pKa = 10.92  KK121 pKa = 9.06  IDD123 pKa = 3.86  YY124 pKa = 7.69  PARR127 pKa = 11.84  PLLGFTGEE135 pKa = 4.09  DD136 pKa = 3.01  VQMIEE141 pKa = 4.58  EE142 pKa = 5.0  IILAHH147 pKa = 7.11  LDD149 pKa = 3.34  RR150 pKa = 6.82  
 17.21 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.284 
IPC2_protein 9.633 
IPC_protein 10.189 
Toseland    10.818 
ProMoST     10.584 
Dawson      10.877 
Bjellqvist  10.54 
Wikipedia   11.052 
Rodwell     11.199 
Grimsley    10.906 
Solomon     10.994 
Lehninger   10.965 
Nozaki      10.774 
DTASelect   10.54 
Thurlkill   10.789 
EMBOSS      11.213 
Sillero     10.804 
Patrickios  10.921 
IPC_peptide 11.008 
IPC2_peptide  9.092 
IPC2.peptide.svr19  8.842 
 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
 
     
    
      
        40 
0
40 
10103
67
815
252.6
28.15
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        9.66 ± 0.707
0.97 ± 0.126
5.474 ± 0.249
6.256 ± 0.345
3.633 ± 0.281
6.642 ± 0.343
1.93 ± 0.19
5.434 ± 0.232
5.474 ± 0.315
9.047 ± 0.413
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.702 ± 0.191
4.058 ± 0.287
4.355 ± 0.405
3.979 ± 0.21
6.582 ± 0.418
6.206 ± 0.263
6.503 ± 0.347
6.651 ± 0.297
1.445 ± 0.124
2.999 ± 0.207
          
     
  
  
  
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