Phytophthora infestans (strain T30-4) (Potato late blight fungus) 
Average proteome isoelectric point is 6.67 
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 17610 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|D0NM77|D0NM77_PHYIT Secreted RxLR effector peptide protein  putative (Fragment) OS=Phytophthora infestans (strain T30-4) OX=403677 GN=PITG_13535 PE=4 SV=1 
MM1 pKa = 7.55  SPHH4 pKa = 6.67  CLSLLVAFGVSFTAAVEE21 pKa = 4.14  VSVCRR26 pKa = 11.84  DD27 pKa = 2.99  ATYY30 pKa = 10.46  DD31 pKa = 3.28  ISVDD35 pKa = 3.45  ATSLCSGSGAAPAGWSCPKK54 pKa = 10.71  AGDD57 pKa = 3.7  VAVADD62 pKa = 4.52  CLSTLASHH70 pKa = 7.36  GSGTCVAPEE79 pKa = 3.94  DD80 pKa = 4.25  AVCQVVNGDD89 pKa = 2.84  TWGCVLPSVGCNTPVVADD107 pKa = 4.16  SACEE111 pKa = 3.64  TWDD114 pKa = 3.42  YY115 pKa = 11.83  SGDD118 pKa = 3.77  DD119 pKa = 3.88  TVDD122 pKa = 3.09  SSGSFDD128 pKa = 3.57  GNEE131 pKa = 4.85  DD132 pKa = 3.59  YY133 pKa = 11.56  DD134 pKa = 4.09  EE135 pKa = 4.15  TWFMKK140 pKa = 8.33  TTEE143 pKa = 4.02  LRR145 pKa = 11.84  EE146 pKa = 4.62  LYY148 pKa = 10.34  DD149 pKa = 3.69  CSKK152 pKa = 10.83  KK153 pKa = 9.0  PTPAPTTPCPTPAATEE169 pKa = 4.3  TNTTEE174 pKa = 4.42  APTATTAPAPTDD186 pKa = 3.52  SSDD189 pKa = 3.49  TDD191 pKa = 3.87  PVTLAPTPTVTPIPMPTEE209 pKa = 4.28  VNGSSSDD216 pKa = 3.6  VMSDD220 pKa = 2.67  GVAQNRR226 pKa = 11.84  EE227 pKa = 4.17  TEE229 pKa = 4.2  VGDD232 pKa = 3.85  EE233 pKa = 3.92  EE234 pKa = 4.92  SAAGTHH240 pKa = 5.14  TVVAFAAADD249 pKa = 3.51  AVSFGGLSNEE259 pKa = 4.1  VVAVIAAVAAFVAVIVAAVAIVYY282 pKa = 9.76  ASKK285 pKa = 10.55  RR286 pKa = 11.84  HH287 pKa = 5.27  AKK289 pKa = 10.14  EE290 pKa = 3.72  DD291 pKa = 3.64  VEE293 pKa = 4.47  EE294 pKa = 4.98  GGEE297 pKa = 3.97  KK298 pKa = 10.57  DD299 pKa = 3.38  EE300 pKa = 5.54  SSDD303 pKa = 3.44  EE304 pKa = 4.34  GEE306 pKa = 4.22  EE307 pKa = 4.2  KK308 pKa = 10.73  EE309 pKa = 4.38  GDD311 pKa = 3.63  VGEE314 pKa = 4.59  DD315 pKa = 3.54  AEE317 pKa = 5.55  DD318 pKa = 3.63  EE319 pKa = 4.65  AEE321 pKa = 4.22  STTYY325 pKa = 10.16  PVAPPTPAVVMGEE338 pKa = 4.06  MATTPVAASAKK349 pKa = 9.98  AKK351 pKa = 8.74  ATSPVTTPAVTSSPEE366 pKa = 3.87  ATVEE370 pKa = 4.08  TSSDD374 pKa = 3.48  HH375 pKa = 6.9  VSEE378 pKa = 4.39  STDD381 pKa = 2.98  GDD383 pKa = 4.02  KK384 pKa = 10.77  ATEE387 pKa = 4.14  TSDD390 pKa = 3.52  TPSSQEE396 pKa = 3.95  TIAKK400 pKa = 10.17  DD401 pKa = 3.46  DD402 pKa = 3.56   
 Molecular weight: 40.78 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.698 
IPC2_protein 3.732 
IPC_protein 3.745 
Toseland    3.541 
ProMoST     3.872 
Dawson      3.732 
Bjellqvist  3.897 
Wikipedia   3.63 
Rodwell     3.567 
Grimsley    3.439 
Solomon     3.719 
Lehninger   3.681 
Nozaki      3.834 
DTASelect   4.05 
Thurlkill   3.579 
EMBOSS      3.643 
Sillero     3.859 
Patrickios  1.303 
IPC_peptide 3.719 
IPC2_peptide  3.846 
IPC2.peptide.svr19  3.783 
 Protein with the highest isoelectric point: 
>tr|D0N7X4|D0N7X4_PHYIT Uncharacterized protein OS=Phytophthora infestans (strain T30-4) OX=403677 GN=PITG_06714 PE=4 SV=1 
LL1 pKa = 7.95  LLVIWWWQRR10 pKa = 11.84  LRR12 pKa = 11.84  LLPRR16 pKa = 11.84  LLFVVQWWVWQWKK29 pKa = 8.98  WILPGLLLFLRR40 pKa = 11.84  LPQLRR45 pKa = 11.84  RR46 pKa = 11.84  LRR48 pKa = 11.84  LLQLRR53 pKa = 11.84  VPGLLGLL60 pKa = 4.26   
 Molecular weight: 7.59 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.489 
IPC2_protein 11.082 
IPC_protein 12.691 
Toseland    12.852 
ProMoST     13.349 
Dawson      12.852 
Bjellqvist  12.852 
Wikipedia   13.32 
Rodwell     12.398 
Grimsley    12.881 
Solomon     13.349 
Lehninger   13.247 
Nozaki      12.852 
DTASelect   12.852 
Thurlkill   12.852 
EMBOSS      13.349 
Sillero     12.852 
Patrickios  12.149 
IPC_peptide 13.349 
IPC2_peptide  12.34 
IPC2.peptide.svr19  9.149 
  
 
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
 
       
     
    
      
        17610 
 
        
        0
 
        
        17610 
         
        7440462
 
        29
 
        10550
 
        422.5
 
        46.97
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        8.82 ± 0.018
1.677 ± 0.011
 
        5.63 ± 0.014
6.476 ± 0.021
 
        3.841 ± 0.011
6.12 ± 0.02
 
        2.355 ± 0.008
4.181 ± 0.013
       
        5.212 ± 0.02
9.534 ± 0.024
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.473 ± 0.009
3.576 ± 0.009
 
        4.574 ± 0.017
4.182 ± 0.014
 
        6.269 ± 0.02
8.124 ± 0.02
 
        5.933 ± 0.019
7.113 ± 0.016
       
        1.235 ± 0.007
2.674 ± 0.009
         
                
     
  
  
  
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