Streptococcus phage Javan554 
Average proteome isoelectric point is 6.01 
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 52 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|A0A4D6BFA7|A0A4D6BFA7_9CAUD Uncharacterized protein OS=Streptococcus phage Javan554 OX=2548256 GN=Javan554_0051 PE=4 SV=1MM1 pKa = 7.64  KK2 pKa = 10.18  KK3 pKa = 10.48  LKK5 pKa = 10.69  LFGVGFLALAALGFILQALGLAPKK29 pKa = 9.7  TEE31 pKa = 4.35  VPEE34 pKa = 4.48  TPQVTTQTTTIEE46 pKa = 3.89  QSSISEE52 pKa = 4.18  SSTTEE57 pKa = 3.77  TNEE60 pKa = 3.68  QSSEE64 pKa = 3.75  KK65 pKa = 10.25  VAYY68 pKa = 9.85  DD69 pKa = 3.48  VAEE72 pKa = 4.23  MNVKK76 pKa = 8.46  ITDD79 pKa = 3.69  SFNEE83 pKa = 4.25  SVQFNQDD90 pKa = 2.55  GHH92 pKa = 7.6  DD93 pKa = 3.88  GYY95 pKa = 11.31  EE96 pKa = 3.87  WTSYY100 pKa = 10.27  IYY102 pKa = 9.94  EE103 pKa = 4.5  IKK105 pKa = 10.87  LKK107 pKa = 11.1  DD108 pKa = 3.44  NGAINATVNDD118 pKa = 3.93  NFSTLSDD125 pKa = 3.7  TEE127 pKa = 4.02  KK128 pKa = 10.58  TEE130 pKa = 3.85  VLNSVSRR137 pKa = 11.84  AVNMVVFLEE146 pKa = 4.24  TEE148 pKa = 3.7  EE149 pKa = 4.34  DD150 pKa = 3.0  KK151 pKa = 11.44  SYY153 pKa = 11.18  FITAYY158 pKa = 10.08  DD159 pKa = 3.42  QAGNKK164 pKa = 8.15  VAQSHH169 pKa = 4.64  MTNVLEE175 pKa = 4.42  YY176 pKa = 10.8  NFEE179 pKa = 4.09  
 19.88 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.401 
IPC2_protein 4.368 
IPC_protein 4.266 
Toseland    4.113 
ProMoST     4.329 
Dawson      4.202 
Bjellqvist  4.393 
Wikipedia   4.062 
Rodwell     4.101 
Grimsley    4.024 
Solomon     4.202 
Lehninger   4.151 
Nozaki      4.317 
DTASelect   4.431 
Thurlkill   4.113 
EMBOSS      4.088 
Sillero     4.38 
Patrickios  3.63 
IPC_peptide 4.215 
IPC2_peptide  4.368 
IPC2.peptide.svr19  4.295 
 Protein with the highest isoelectric point: 
>tr|A0A4D6BF81|A0A4D6BF81_9CAUD Uncharacterized protein OS=Streptococcus phage Javan554 OX=2548256 GN=Javan554_0045 PE=4 SV=1MM1 pKa = 7.55  NKK3 pKa = 10.01  RR4 pKa = 11.84  IKK6 pKa = 10.28  KK7 pKa = 10.1  KK8 pKa = 10.48  YY9 pKa = 7.88  EE10 pKa = 3.45  LEE12 pKa = 3.81  NRR14 pKa = 11.84  IRR16 pKa = 11.84  TLEE19 pKa = 3.82  THH21 pKa = 6.75  IDD23 pKa = 3.68  FLIDD27 pKa = 4.27  QNNQLWNIVEE37 pKa = 4.45  RR38 pKa = 11.84  NAQATNARR46 pKa = 11.84  FDD48 pKa = 4.12  KK49 pKa = 10.85  IEE51 pKa = 4.02  KK52 pKa = 9.79  QVANGNTKK60 pKa = 10.1  KK61 pKa = 10.54  PFWKK65 pKa = 10.34  RR66 pKa = 3.03  
 8.06 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.1 
IPC2_protein 9.385 
IPC_protein 9.414 
Toseland    10.526 
ProMoST     10.16 
Dawson      10.599 
Bjellqvist  10.16 
Wikipedia   10.687 
Rodwell     11.213 
Grimsley    10.613 
Solomon     10.643 
Lehninger   10.628 
Nozaki      10.482 
DTASelect   10.16 
Thurlkill   10.496 
EMBOSS      10.891 
Sillero     10.511 
Patrickios  10.979 
IPC_peptide 10.657 
IPC2_peptide  8.478 
IPC2.peptide.svr19  8.487 
 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
 
     
    
      
        52 
0
52 
11485
50
1124
220.9
24.81
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        7.314 ± 0.76
0.47 ± 0.079
6.26 ± 0.354
7.027 ± 0.566
4.354 ± 0.256
6.844 ± 0.505
1.454 ± 0.161
6.861 ± 0.274
7.61 ± 0.463
7.706 ± 0.275
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.307 ± 0.144
5.633 ± 0.264
3.013 ± 0.156
3.997 ± 0.225
4.536 ± 0.317
6.574 ± 0.427
6.199 ± 0.42
6.922 ± 0.236
1.245 ± 0.147
3.674 ± 0.335
          
     
  
  
  
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