Serratia phage JS26 
Average proteome isoelectric point is 6.29 
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 84 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|A0A5Q2F3E9|A0A5Q2F3E9_9CAUD Uncharacterized protein OS=Serratia phage JS26 OX=2315217 PE=4 SV=1MM1 pKa = 6.87  PTGMRR6 pKa = 11.84  ALRR9 pKa = 11.84  AQALKK14 pKa = 10.71  AAILNFMDD22 pKa = 5.3  FADD25 pKa = 3.77  QAIPEE30 pKa = 5.2  DD31 pKa = 4.27  DD32 pKa = 4.04  CCMCGDD38 pKa = 3.91  KK39 pKa = 10.51  QDD41 pKa = 3.37  NHH43 pKa = 6.48  TFDD46 pKa = 3.73  SGHH49 pKa = 7.02  AFTAATQYY57 pKa = 11.17  HH58 pKa = 6.99  AFTLRR63 pKa = 11.84  KK64 pKa = 9.23  EE65 pKa = 4.1  VEE67 pKa = 4.08  KK68 pKa = 11.13  YY69 pKa = 11.03  LDD71 pKa = 3.47  VLEE74 pKa = 4.46  TDD76 pKa = 3.31  EE77 pKa = 4.64  ATTVTHH83 pKa = 7.16  TDD85 pKa = 3.19  LQGNEE90 pKa = 3.94  SQVAVFGPSSFPMWGQGSCCNKK112 pKa = 9.67  QAEE115 pKa = 4.69  LYY117 pKa = 10.74  ARR119 pKa = 11.84  ATGADD124 pKa = 3.52  VYY126 pKa = 11.65  ADD128 pKa = 3.85  GEE130 pKa = 4.69  LIAGQHH136 pKa = 5.14  VLWKK140 pKa = 9.85  KK141 pKa = 10.58  GEE143 pKa = 4.08  PGIPEE148 pKa = 4.28  QILDD152 pKa = 3.85  SNGDD156 pKa = 3.61  VVLACCKK163 pKa = 10.04  ICGDD167 pKa = 4.09  YY168 pKa = 10.99  EE169 pKa = 4.56  QGLLDD174 pKa = 4.9  NPVCPGKK181 pKa = 10.39  KK182 pKa = 10.19  ASDD185 pKa = 3.53  NGG187 pKa = 3.77  
 20.21 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.256 
IPC2_protein 4.469 
IPC_protein 4.418 
Toseland    4.24 
ProMoST     4.558 
Dawson      4.393 
Bjellqvist  4.546 
Wikipedia   4.304 
Rodwell     4.253 
Grimsley    4.151 
Solomon     4.393 
Lehninger   4.342 
Nozaki      4.507 
DTASelect   4.724 
Thurlkill   4.266 
EMBOSS      4.317 
Sillero     4.546 
Patrickios  2.765 
IPC_peptide 4.393 
IPC2_peptide  4.533 
IPC2.peptide.svr19  4.46 
 Protein with the highest isoelectric point: 
>tr|A0A5Q2F2R1|A0A5Q2F2R1_9CAUD Uncharacterized protein OS=Serratia phage JS26 OX=2315217 PE=4 SV=1MM1 pKa = 7.26  RR2 pKa = 11.84  TIIEE6 pKa = 4.12  ATAVAEE12 pKa = 3.95  LAKK15 pKa = 10.17  TFEE18 pKa = 4.7  RR19 pKa = 11.84  YY20 pKa = 9.31  PEE22 pKa = 3.9  QSQQAIRR29 pKa = 11.84  MAINDD34 pKa = 3.56  VAKK37 pKa = 10.62  GKK39 pKa = 10.18  GMKK42 pKa = 10.54  LIRR45 pKa = 11.84  TSMMAEE51 pKa = 3.89  VAFPGSYY58 pKa = 10.93  LNGDD62 pKa = 3.76  RR63 pKa = 11.84  LQITQRR69 pKa = 11.84  ATNSNPQAVITARR82 pKa = 11.84  KK83 pKa = 9.07  RR84 pKa = 11.84  ATSLARR90 pKa = 11.84  FASGTPSSTAKK101 pKa = 10.4  KK102 pKa = 9.95  GVTVRR107 pKa = 11.84  VKK109 pKa = 10.38  KK110 pKa = 10.73  GKK112 pKa = 9.68  SVHH115 pKa = 6.41  LKK117 pKa = 10.47  SGWLVRR123 pKa = 11.84  LRR125 pKa = 11.84  AGASMSEE132 pKa = 4.01  DD133 pKa = 3.37  NYY135 pKa = 11.32  NIGLAVRR142 pKa = 11.84  LGPGEE147 pKa = 4.03  KK148 pKa = 9.94  LANKK152 pKa = 7.3  TTTHH156 pKa = 6.18  TSWLVKK162 pKa = 10.54  GSVALLYY169 pKa = 10.63  GPSVNQVFSTVAEE182 pKa = 4.25  DD183 pKa = 3.43  VSRR186 pKa = 11.84  PIGDD190 pKa = 3.51  MVTTEE195 pKa = 4.61  YY196 pKa = 10.36  LRR198 pKa = 11.84  QMARR202 pKa = 11.84  LLEE205 pKa = 4.25  
 22.31 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.268 
IPC2_protein 9.692 
IPC_protein 10.145 
Toseland    10.672 
ProMoST     10.248 
Dawson      10.76 
Bjellqvist  10.409 
Wikipedia   10.921 
Rodwell     11.155 
Grimsley    10.804 
Solomon     10.833 
Lehninger   10.804 
Nozaki      10.628 
DTASelect   10.409 
Thurlkill   10.657 
EMBOSS      11.052 
Sillero     10.672 
Patrickios  10.877 
IPC_peptide 10.833 
IPC2_peptide  8.96 
IPC2.peptide.svr19  8.795 
 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
 
     
    
      
        84 
0
84 
20039
47
1380
238.6
26.53
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        9.851 ± 0.623
1.023 ± 0.114
6.597 ± 0.258
6.093 ± 0.263
3.478 ± 0.143
7.321 ± 0.331
1.757 ± 0.129
5.28 ± 0.161
5.599 ± 0.264
7.715 ± 0.212
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        3.209 ± 0.144
3.932 ± 0.157
4.466 ± 0.319
4.137 ± 0.262
5.659 ± 0.246
5.38 ± 0.215
6.527 ± 0.251
6.837 ± 0.279
1.722 ± 0.126
3.418 ± 0.167
          
     
  
  
  
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