Clostridium sp. CAG:575 
Average proteome isoelectric point is 6.53 
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 1338 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|R6I0W2|R6I0W2_9CLOT Uncharacterized protein OS=Clostridium sp. CAG:575 OX=1262823 GN=BN717_00849 PE=3 SV=1MM1 pKa = 7.58  SEE3 pKa = 4.39  SNLNEE8 pKa = 4.07  QIEE11 pKa = 4.33  NLLKK15 pKa = 10.43  EE16 pKa = 4.08  MKK18 pKa = 9.85  EE19 pKa = 3.59  IKK21 pKa = 10.04  EE22 pKa = 4.13  NQKK25 pKa = 10.6  EE26 pKa = 4.23  MTEE29 pKa = 4.37  KK30 pKa = 9.58  MSKK33 pKa = 7.05  MQQVIDD39 pKa = 4.77  HH40 pKa = 6.92  IEE42 pKa = 3.7  SDD44 pKa = 3.31  IYY46 pKa = 11.31  ADD48 pKa = 3.37  EE49 pKa = 5.05  GFDD52 pKa = 4.16  FEE54 pKa = 5.45  IVCPYY59 pKa = 10.15  CEE61 pKa = 4.25  HH62 pKa = 6.85  EE63 pKa = 4.45  FVIDD67 pKa = 3.45  ADD69 pKa = 4.05  EE70 pKa = 4.54  NKK72 pKa = 10.94  DD73 pKa = 3.66  EE74 pKa = 4.8  IEE76 pKa = 4.5  CPEE79 pKa = 4.29  CKK81 pKa = 10.45  NIIEE85 pKa = 4.95  LDD87 pKa = 3.12  WSGDD91 pKa = 3.52  IEE93 pKa = 4.21  EE94 pKa = 5.64  HH95 pKa = 6.94  EE96 pKa = 5.1  DD97 pKa = 3.62  GCSGHH102 pKa = 6.86  CCGCAGCDD110 pKa = 4.82  DD111 pKa = 4.98  EE112 pKa = 7.14  DD113 pKa = 5.89  NEE115 pKa = 5.81  DD116 pKa = 4.68  DD117 pKa = 3.59  MM118 pKa = 7.93  
 13.64 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.757 
IPC2_protein 3.872 
IPC_protein 3.834 
Toseland    3.656 
ProMoST     3.973 
Dawson      3.795 
Bjellqvist  3.948 
Wikipedia   3.694 
Rodwell     3.668 
Grimsley    3.567 
Solomon     3.795 
Lehninger   3.745 
Nozaki      3.91 
DTASelect   4.062 
Thurlkill   3.681 
EMBOSS      3.706 
Sillero     3.948 
Patrickios  0.807 
IPC_peptide 3.795 
IPC2_peptide  3.935 
IPC2.peptide.svr19  3.846 
 Protein with the highest isoelectric point: 
>tr|R6HDL0|R6HDL0_9CLOT Uncharacterized protein OS=Clostridium sp. CAG:575 OX=1262823 GN=BN717_01130 PE=4 SV=1MM1 pKa = 6.9  VGKK4 pKa = 10.19  RR5 pKa = 11.84  RR6 pKa = 11.84  NLLNYY11 pKa = 9.3  LAKK14 pKa = 10.31  KK15 pKa = 10.17  DD16 pKa = 3.57  VQRR19 pKa = 11.84  YY20 pKa = 8.35  RR21 pKa = 11.84  DD22 pKa = 3.51  IVEE25 pKa = 3.92  KK26 pKa = 10.99  LGLRR30 pKa = 11.84  KK31 pKa = 9.66  
 3.77 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.297 
IPC2_protein 9.955 
IPC_protein 10.687 
Toseland    10.921 
ProMoST     10.657 
Dawson      10.994 
Bjellqvist  10.672 
Wikipedia   11.184 
Rodwell     11.345 
Grimsley    11.038 
Solomon     11.111 
Lehninger   11.082 
Nozaki      10.877 
DTASelect   10.672 
Thurlkill   10.891 
EMBOSS      11.316 
Sillero     10.921 
Patrickios  11.125 
IPC_peptide 11.111 
IPC2_peptide  9.399 
IPC2.peptide.svr19  8.431 
 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
 
     
    
      
        1338 
0
1338 
387873
30
4217
289.9
33.05
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        4.967 ± 0.059
1.082 ± 0.027
5.571 ± 0.08
8.351 ± 0.087
3.859 ± 0.062
5.655 ± 0.06
1.146 ± 0.025
10.483 ± 0.096
10.131 ± 0.073
8.183 ± 0.078
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.402 ± 0.038
7.216 ± 0.092
2.438 ± 0.036
2.987 ± 0.038
3.12 ± 0.047
5.625 ± 0.056
5.766 ± 0.088
5.886 ± 0.05
0.656 ± 0.02
4.468 ± 0.05
          
     
  
  
  
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