Faecalibacterium prausnitzii 
Average proteome isoelectric point is 6.11 
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 2653 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|A0A173XAR1|A0A173XAR1_9FIRM ATP phosphoribosyltransferase OS=Faecalibacterium prausnitzii OX=853 GN=hisG PE=3 SV=1 
MM1 pKa = 7.33  KK2 pKa = 10.0  FWKK5 pKa = 8.97  RR6 pKa = 11.84  TALCLALCAALLAGCTPARR25 pKa = 11.84  DD26 pKa = 3.78  AAEE29 pKa = 4.43  SDD31 pKa = 3.9  TPADD35 pKa = 3.75  PLTGQEE41 pKa = 4.65  LLWPGQRR48 pKa = 11.84  PVAVTIEE55 pKa = 4.27  NDD57 pKa = 3.57  PSSTTQWGLSTASVVLQALTEE78 pKa = 4.4  TQTPTSLCLVYY89 pKa = 9.89  PAVDD93 pKa = 3.48  AVPQVGPVSAGQDD106 pKa = 3.71  LYY108 pKa = 10.94  WRR110 pKa = 11.84  LLVGQQVLPVQRR122 pKa = 11.84  GGGAFDD128 pKa = 3.77  QNYY131 pKa = 10.12  LDD133 pKa = 4.29  YY134 pKa = 11.26  YY135 pKa = 9.13  SLRR138 pKa = 11.84  VVDD141 pKa = 4.86  ALEE144 pKa = 4.28  TGTNAFSCDD153 pKa = 3.86  GAWSNSPLWYY163 pKa = 9.58  TSGSALAGVLGKK175 pKa = 10.84  LNISSVLTEE184 pKa = 4.3  SRR186 pKa = 11.84  LTDD189 pKa = 3.44  AAASGTSEE197 pKa = 4.55  SEE199 pKa = 4.14  TEE201 pKa = 4.18  TTVLSVPALLPQQTKK216 pKa = 9.71  GHH218 pKa = 6.69  LPDD221 pKa = 4.61  AAASDD226 pKa = 3.92  AVSVRR231 pKa = 11.84  VQFDD235 pKa = 3.08  ASNATGFSYY244 pKa = 11.04  DD245 pKa = 4.35  ADD247 pKa = 3.59  SSTYY251 pKa = 11.2  KK252 pKa = 9.8  MLHH255 pKa = 6.79  ADD257 pKa = 3.94  GTPQLDD263 pKa = 3.79  ANNGQQAGFDD273 pKa = 3.54  NLLVLFSASALRR285 pKa = 11.84  DD286 pKa = 3.61  DD287 pKa = 5.71  GLTLDD292 pKa = 4.48  YY293 pKa = 10.81  DD294 pKa = 3.78  LTMGGGVWLNGGHH307 pKa = 7.62  LWPITWTQGSDD318 pKa = 3.17  TTFFFYY324 pKa = 10.82  DD325 pKa = 3.73  ADD327 pKa = 4.13  GQPLTLTAGSSYY339 pKa = 10.38  IALVSSLTGQEE350 pKa = 4.15  LMVLNSAGEE359 pKa = 4.33  SLTPALATEE368 pKa = 4.69  ADD370 pKa = 3.87  SASINPP376 pKa = 3.84   
 Molecular weight: 39.46 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.716 
IPC2_protein 3.897 
IPC_protein 3.91 
Toseland    3.681 
ProMoST     4.075 
Dawson      3.91 
Bjellqvist  4.062 
Wikipedia   3.859 
Rodwell     3.732 
Grimsley    3.592 
Solomon     3.91 
Lehninger   3.859 
Nozaki      4.024 
DTASelect   4.291 
Thurlkill   3.745 
EMBOSS      3.859 
Sillero     4.037 
Patrickios  1.24 
IPC_peptide 3.897 
IPC2_peptide  4.012 
IPC2.peptide.svr19  3.917 
 Protein with the highest isoelectric point: 
>tr|A0A173XXL3|A0A173XXL3_9FIRM Ribosomal large subunit pseudouridine synthase D OS=Faecalibacterium prausnitzii OX=853 GN=rluD_2 PE=4 SV=1 
MM1 pKa = 7.45  KK2 pKa = 9.6  RR3 pKa = 11.84  TFQPKK8 pKa = 8.47  KK9 pKa = 7.63  RR10 pKa = 11.84  QRR12 pKa = 11.84  KK13 pKa = 7.09  EE14 pKa = 3.35  VHH16 pKa = 5.99  GFLTRR21 pKa = 11.84  MSTKK25 pKa = 10.35  NGRR28 pKa = 11.84  KK29 pKa = 9.33  VINARR34 pKa = 11.84  RR35 pKa = 11.84  AKK37 pKa = 9.76  GRR39 pKa = 11.84  KK40 pKa = 8.97  SLTVV44 pKa = 3.12   
 Molecular weight: 5.23 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.356 
IPC2_protein 10.774 
IPC_protein 12.325 
Toseland    12.501 
ProMoST     12.983 
Dawson      12.501 
Bjellqvist  12.486 
Wikipedia   12.969 
Rodwell     12.34 
Grimsley    12.544 
Solomon     12.983 
Lehninger   12.881 
Nozaki      12.501 
DTASelect   12.486 
Thurlkill   12.501 
EMBOSS      12.998 
Sillero     12.501 
Patrickios  12.076 
IPC_peptide 12.983 
IPC2_peptide  11.974 
IPC2.peptide.svr19  9.036 
  
 
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 ESI  
     
   
 
  
    ChTry ESI  
     
   
 
  
    ArgC ESI  
     
   
 
  
    LysN ESI  
     
   
 
  
    TryLysC ESI  
     
   
 
  
    Try MALDI  
     
   
 
  
    ChTry MALDI  
     
   
 
  
    ArgC MALDI  
     
   
 
  
    LysN MALDI  
     
   
 
  
    TryLysC MALDI  
     
   
 
  
    Try LTQ  
     
   
 
  
    ChTry LTQ  
     
   
 
  
    ArgC LTQ  
     
   
 
  
    LysN LTQ  
     
   
 
  
    TryLysC LTQ  
     
   
 
  
    Try MSlow  
     
   
 
  
    ChTry MSlow  
     
   
 
  
    ArgC MSlow  
     
   
 
  
    LysN MSlow  
     
   
 
  
    TryLysC MSlow  
     
   
 
  
    Try MShigh  
     
   
 
  
    ChTry MShigh  
     
   
 
  
    ArgC MShigh  
     
   
 
  
    LysN MShigh  
     
   
 
  
    TryLysC MShigh  
     
   
   
  
                       
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
 
       
     
    
      
        2653 
 
        
        0
 
        
        2653 
         
        826170
 
        29
 
        3304
 
        311.4
 
        34.41
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        10.043 ± 0.07
1.7 ± 0.019
 
        5.567 ± 0.039
6.77 ± 0.052
 
        3.803 ± 0.035
7.445 ± 0.047
 
        1.887 ± 0.023
5.426 ± 0.045
       
        5.426 ± 0.046
9.862 ± 0.061
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.769 ± 0.025
3.66 ± 0.028
 
        4.089 ± 0.03
3.584 ± 0.031
 
        5.177 ± 0.047
5.453 ± 0.04
 
        5.676 ± 0.037
7.034 ± 0.042
       
        1.05 ± 0.018
3.58 ± 0.033
         
                
     
  
  
  
Note:  For amino acid frequency statistics the error has been estimated with the bootstraping (x100) at the protein level 
Most of the basic statistics you can see at this page can be downloaded from this CSV file  
For dipeptide frequency statistics click here