Frankia alni (strain ACN14a) 
Average proteome isoelectric point is 6.73 
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 6710 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|Q0RRD1|Q0RRD1_FRAAA Glucose-1-phosphate thymidylyltransferase (DTDP-glucose synthase) (DTDP-glucose pyrophosphorylase) (Sugar-nucleotidylation enzyme) OS=Frankia alni (strain ACN14a) OX=326424 GN=FRAAL1228 PE=4 SV=1 
MM1 pKa = 7.45  SLDD4 pKa = 3.76  PLLLEE9 pKa = 5.35  ILACPCSKK17 pKa = 10.45  HH18 pKa = 6.59  GEE20 pKa = 3.98  LRR22 pKa = 11.84  QDD24 pKa = 3.92  EE25 pKa = 4.92  LDD27 pKa = 3.82  GAPVLVCLACDD38 pKa = 3.26  LAFPVRR44 pKa = 11.84  DD45 pKa = 5.29  DD46 pKa = 3.83  IPVMLLDD53 pKa = 3.69  EE54 pKa = 4.92  AVPFSGQAASASSS67 pKa = 3.18   
 Molecular weight: 7.07 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.762 
IPC2_protein 3.923 
IPC_protein 3.821 
Toseland    3.617 
ProMoST     4.012 
Dawson      3.821 
Bjellqvist  3.986 
Wikipedia   3.783 
Rodwell     3.656 
Grimsley    3.541 
Solomon     3.795 
Lehninger   3.757 
Nozaki      3.961 
DTASelect   4.164 
Thurlkill   3.694 
EMBOSS      3.795 
Sillero     3.948 
Patrickios  1.914 
IPC_peptide 3.795 
IPC2_peptide  3.91 
IPC2.peptide.svr19  3.848 
 Protein with the highest isoelectric point: 
>tr|Q0RPQ7|Q0RPQ7_FRAAA Hydrogenase expression/formation protein OS=Frankia alni (strain ACN14a) OX=326424 GN=hypD2 PE=3 SV=1 
MM1 pKa = 7.23  PQRR4 pKa = 11.84  AAVRR8 pKa = 11.84  APAAGPIRR16 pKa = 11.84  PPAVVLLSAVVLLLAVLLLAVRR38 pKa = 11.84  LPAVRR43 pKa = 11.84  RR44 pKa = 11.84  RR45 pKa = 11.84  RR46 pKa = 11.84  IPRR49 pKa = 11.84  VPRR52 pKa = 11.84  RR53 pKa = 11.84  TRR55 pKa = 11.84  APGRR59 pKa = 11.84  IRR61 pKa = 3.8   
 Molecular weight: 6.67 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.526 
IPC2_protein 11.33 
IPC_protein 12.954 
Toseland    13.115 
ProMoST     13.612 
Dawson      13.115 
Bjellqvist  13.115 
Wikipedia   13.598 
Rodwell     12.618 
Grimsley    13.159 
Solomon     13.612 
Lehninger   13.51 
Nozaki      13.115 
DTASelect   13.115 
Thurlkill   13.115 
EMBOSS      13.612 
Sillero     13.115 
Patrickios  12.34 
IPC_peptide 13.612 
IPC2_peptide  12.603 
IPC2.peptide.svr19  9.277 
  
 
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
 
       
     
    
      
        6677 
 
        
        33 
 
        
        6710 
         
        2157716
 
        20
 
        7085
 
        321.6
 
        34.02
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        14.753 ± 0.051
0.766 ± 0.007
 
        6.17 ± 0.027
4.761 ± 0.026
 
        2.554 ± 0.016
10.029 ± 0.039
 
        2.186 ± 0.014
3.217 ± 0.02
       
        1.222 ± 0.017
10.099 ± 0.032
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        1.514 ± 0.01
1.504 ± 0.014
 
        6.924 ± 0.037
2.523 ± 0.019
 
        8.914 ± 0.034
5.109 ± 0.024
 
        5.965 ± 0.028
8.621 ± 0.032
       
        1.416 ± 0.013
1.752 ± 0.013
         
                
     
  
  
  
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