Leptolyngbya valderiana BDU 20041 
Average proteome isoelectric point is 5.96 
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 5400 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|A0A166VR17|A0A166VR17_9CYAN Uncharacterized protein OS=Leptolyngbya valderiana BDU 20041 OX=322866 GN=AY599_15815 PE=4 SV=1 
MM1 pKa = 7.21  PTLLAACGLALAAAGAALAQAVPEE25 pKa = 4.13  CLYY28 pKa = 11.23  AVTAQGNRR36 pKa = 11.84  LYY38 pKa = 10.34  RR39 pKa = 11.84  VAIGPEE45 pKa = 4.04  GSEE48 pKa = 4.1  LVGDD52 pKa = 4.65  IGPIAPDD59 pKa = 3.16  AGVNRR64 pKa = 11.84  LTIAGPNLAYY74 pKa = 9.68  TIDD77 pKa = 3.69  TQNEE81 pKa = 3.88  ILHH84 pKa = 6.8  GIRR87 pKa = 11.84  LSDD90 pKa = 3.44  ARR92 pKa = 11.84  VVSSVPLDD100 pKa = 3.42  QPLWISSRR108 pKa = 11.84  ALAVAPDD115 pKa = 3.93  GVLWGALPGAQLRR128 pKa = 11.84  TIDD131 pKa = 3.94  PATGVTTLVGAIAGATYY148 pKa = 10.29  IEE150 pKa = 4.53  GMAFAPDD157 pKa = 3.36  GTLYY161 pKa = 11.1  AVGNVDD167 pKa = 3.58  SRR169 pKa = 11.84  FSRR172 pKa = 11.84  KK173 pKa = 9.72  LYY175 pKa = 9.82  TINTTTAAATFLHH188 pKa = 6.37  SLAVSDD194 pKa = 4.73  IDD196 pKa = 4.07  CLAWGYY202 pKa = 11.45  DD203 pKa = 3.24  GFLYY207 pKa = 10.66  GADD210 pKa = 3.5  ADD212 pKa = 4.05  GRR214 pKa = 11.84  EE215 pKa = 4.02  ADD217 pKa = 4.62  LFRR220 pKa = 11.84  IDD222 pKa = 4.27  PVTGAVTVPGNTGIVGVDD240 pKa = 3.17  GMAAAASCSCPADD253 pKa = 3.61  LDD255 pKa = 4.17  GDD257 pKa = 4.36  GEE259 pKa = 4.34  LTLFDD264 pKa = 4.41  FLAFGVLYY272 pKa = 10.76  DD273 pKa = 4.77  LGSPLADD280 pKa = 3.67  FDD282 pKa = 4.72  GDD284 pKa = 3.56  GDD286 pKa = 3.91  FTIFDD291 pKa = 4.03  FLAFQNAFDD300 pKa = 4.57  AGCPP304 pKa = 3.59   
 Molecular weight: 31.17 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.697 
IPC2_protein 3.757 
IPC_protein 3.795 
Toseland    3.554 
ProMoST     3.973 
Dawson      3.808 
Bjellqvist  3.961 
Wikipedia   3.783 
Rodwell     3.617 
Grimsley    3.465 
Solomon     3.795 
Lehninger   3.757 
Nozaki      3.923 
DTASelect   4.228 
Thurlkill   3.617 
EMBOSS      3.783 
Sillero     3.923 
Patrickios  0.871 
IPC_peptide 3.783 
IPC2_peptide  3.884 
IPC2.peptide.svr19  3.809 
 Protein with the highest isoelectric point: 
>tr|A0A166WGN1|A0A166WGN1_9CYAN Glycine cleavage system T protein OS=Leptolyngbya valderiana BDU 20041 OX=322866 GN=AY599_16370 PE=3 SV=1 
MM1 pKa = 7.58  KK2 pKa = 9.73  EE3 pKa = 3.78  VPQAARR9 pKa = 11.84  RR10 pKa = 11.84  PLVEE14 pKa = 3.71  RR15 pKa = 11.84  RR16 pKa = 11.84  EE17 pKa = 3.98  ARR19 pKa = 11.84  VRR21 pKa = 11.84  LRR23 pKa = 11.84  VVDD26 pKa = 3.59  VARR29 pKa = 11.84  RR30 pKa = 11.84  AGLLRR35 pKa = 11.84  ALGLRR40 pKa = 11.84  AVVVRR45 pKa = 11.84  PAVRR49 pKa = 11.84  ALVVLRR55 pKa = 11.84  LAVEE59 pKa = 4.61  RR60 pKa = 11.84  VAAGLLVRR68 pKa = 11.84  ALVVRR73 pKa = 11.84  LAVVRR78 pKa = 11.84  AVLLRR83 pKa = 11.84  AGRR86 pKa = 11.84  RR87 pKa = 11.84  FAVLPVLRR95 pKa = 11.84  AVVRR99 pKa = 11.84  LAAVPVLRR107 pKa = 11.84  AVVRR111 pKa = 11.84  LAVVPVLRR119 pKa = 11.84  AVVRR123 pKa = 11.84  LAVVPVLRR131 pKa = 11.84  AVVRR135 pKa = 11.84  LAAVPVLRR143 pKa = 11.84  AVVRR147 pKa = 11.84  LAVVPVLRR155 pKa = 11.84  AVVRR159 pKa = 11.84  LAVVPVLRR167 pKa = 11.84  AVVRR171 pKa = 11.84  LAAVPVLRR179 pKa = 11.84  AVVRR183 pKa = 11.84  LAVVPVLRR191 pKa = 11.84  AVVRR195 pKa = 11.84  LAAVPVLRR203 pKa = 11.84  AVVRR207 pKa = 11.84  LAAGLAVLRR216 pKa = 11.84  AGLLPVVARR225 pKa = 11.84  LAVVPVVRR233 pKa = 11.84  VVFRR237 pKa = 11.84  AVLLRR242 pKa = 11.84  APVRR246 pKa = 11.84  PVVRR250 pKa = 11.84  LAAVLLPVARR260 pKa = 11.84  VRR262 pKa = 11.84  RR263 pKa = 11.84  DD264 pKa = 3.22  GAVRR268 pKa = 11.84  AAWVRR273 pKa = 11.84  LAVLAVARR281 pKa = 11.84  RR282 pKa = 11.84  RR283 pKa = 11.84  VEE285 pKa = 3.96  DD286 pKa = 3.35  VLFIAA291 pKa = 5.7   
 Molecular weight: 31.32 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.434 
IPC2_protein 10.935 
IPC_protein 12.559 
Toseland    12.72 
ProMoST     13.217 
Dawson      12.72 
Bjellqvist  12.72 
Wikipedia   13.203 
Rodwell     12.223 
Grimsley    12.764 
Solomon     13.217 
Lehninger   13.115 
Nozaki      12.72 
DTASelect   12.72 
Thurlkill   12.72 
EMBOSS      13.217 
Sillero     12.72 
Patrickios  11.93 
IPC_peptide 13.217 
IPC2_peptide  12.208 
IPC2.peptide.svr19  9.162 
  
 
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
 
       
     
    
      
        5400 
 
        
        0
 
        
        5400 
         
        1905942
 
        31
 
        5045
 
        353.0
 
        38.73
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        10.655 ± 0.048
0.914 ± 0.011
 
        6.255 ± 0.034
6.528 ± 0.036
 
        3.68 ± 0.022
7.997 ± 0.043
 
        1.86 ± 0.017
4.956 ± 0.024
       
        2.784 ± 0.035
10.602 ± 0.04
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        1.989 ± 0.019
2.844 ± 0.025
 
        5.236 ± 0.024
3.893 ± 0.022
 
        7.305 ± 0.037
5.845 ± 0.025
 
        5.393 ± 0.023
7.418 ± 0.027
       
        1.46 ± 0.013
2.385 ± 0.018
         
                
     
  
  
  
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