Tortoise microvirus 60 
Average proteome isoelectric point is 5.31 
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 7 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|A0A4P8W6H6|A0A4P8W6H6_9VIRU Uncharacterized protein OS=Tortoise microvirus 60 OX=2583166 PE=4 SV=1 
MM1 pKa = 7.47  KK2 pKa = 10.68  NSIYY6 pKa = 10.44  CLYY9 pKa = 10.5  NVLSHH14 pKa = 7.2  RR15 pKa = 11.84  YY16 pKa = 8.89  GDD18 pKa = 4.07  VVCFPSDD25 pKa = 2.9  AFAVQRR31 pKa = 11.84  LRR33 pKa = 11.84  EE34 pKa = 4.13  SLKK37 pKa = 10.31  PEE39 pKa = 3.69  QLIEE43 pKa = 5.24  LEE45 pKa = 4.37  LCNLGYY51 pKa = 10.06  IDD53 pKa = 5.01  IEE55 pKa = 4.33  SGMIEE60 pKa = 3.67  THH62 pKa = 5.88  APIRR66 pKa = 11.84  IPIPQEE72 pKa = 3.71  FSPVPIDD79 pKa = 4.75  DD80 pKa = 3.92  YY81 pKa = 11.9  EE82 pKa = 4.11  KK83 pKa = 11.2   
 Molecular weight: 9.57 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.412 
IPC2_protein 4.736 
IPC_protein 4.571 
Toseland    4.431 
ProMoST     4.673 
Dawson      4.507 
Bjellqvist  4.66 
Wikipedia   4.38 
Rodwell     4.418 
Grimsley    4.355 
Solomon     4.507 
Lehninger   4.457 
Nozaki      4.635 
DTASelect   4.749 
Thurlkill   4.444 
EMBOSS      4.393 
Sillero     4.685 
Patrickios  2.028 
IPC_peptide 4.52 
IPC2_peptide  4.685 
IPC2.peptide.svr19  4.627 
 Protein with the highest isoelectric point: 
>tr|A0A4V1FVZ7|A0A4V1FVZ7_9VIRU Replication initiation protein OS=Tortoise microvirus 60 OX=2583166 PE=4 SV=1 
MM1 pKa = 7.31  SCVNPVTIRR10 pKa = 11.84  VNDD13 pKa = 3.66  TNYY16 pKa = 10.77  DD17 pKa = 3.82  VPCRR21 pKa = 11.84  RR22 pKa = 11.84  CMSCRR27 pKa = 11.84  LDD29 pKa = 3.47  YY30 pKa = 10.76  QIYY33 pKa = 8.15  LTFCAEE39 pKa = 3.95  NEE41 pKa = 4.21  LYY43 pKa = 10.53  DD44 pKa = 4.24  CYY46 pKa = 10.94  RR47 pKa = 11.84  SGLGASFCTFTYY59 pKa = 10.73  DD60 pKa = 4.83  DD61 pKa = 3.95  DD62 pKa = 5.53  HH63 pKa = 8.62  IPVNGSLCKK72 pKa = 9.8  KK73 pKa = 10.16  DD74 pKa = 3.57  LQNFLKK80 pKa = 9.99  TGRR83 pKa = 11.84  KK84 pKa = 7.99  NLEE87 pKa = 3.59  RR88 pKa = 11.84  SGFPASFKK96 pKa = 10.85  YY97 pKa = 9.78  LACGEE102 pKa = 4.35  YY103 pKa = 10.45  GDD105 pKa = 4.39  KK106 pKa = 10.56  FSRR109 pKa = 11.84  PHH111 pKa = 4.56  YY112 pKa = 9.0  HH113 pKa = 5.69  VAFIGLSDD121 pKa = 3.6  VLVNEE126 pKa = 4.94  FFRR129 pKa = 11.84  PAWKK133 pKa = 10.01  HH134 pKa = 4.57  GLVDD138 pKa = 3.74  IGVLQSGGMRR148 pKa = 11.84  YY149 pKa = 8.92  ILKK152 pKa = 9.7  YY153 pKa = 8.28  CTKK156 pKa = 10.69  AVLGNKK162 pKa = 9.59  AKK164 pKa = 10.38  EE165 pKa = 4.07  LYY167 pKa = 9.96  DD168 pKa = 3.97  DD169 pKa = 4.96  KK170 pKa = 11.5  GLEE173 pKa = 4.03  RR174 pKa = 11.84  PFITRR179 pKa = 11.84  SCKK182 pKa = 9.24  MGYY185 pKa = 9.96  EE186 pKa = 3.79  YY187 pKa = 10.83  LYY189 pKa = 11.03  RR190 pKa = 11.84  NIDD193 pKa = 4.23  DD194 pKa = 3.65  IVANNFTYY202 pKa = 10.63  LKK204 pKa = 10.55  AGIRR208 pKa = 11.84  RR209 pKa = 11.84  PIPKK213 pKa = 9.87  YY214 pKa = 10.74  LRR216 pKa = 11.84  DD217 pKa = 3.71  KK218 pKa = 11.19  FDD220 pKa = 3.35  LFKK223 pKa = 11.26  NYY225 pKa = 10.36  DD226 pKa = 4.19  SLPMILRR233 pKa = 11.84  IKK235 pKa = 10.68  AEE237 pKa = 4.04  SDD239 pKa = 3.25  LYY241 pKa = 11.13  GYY243 pKa = 9.72  PDD245 pKa = 3.34  YY246 pKa = 11.18  RR247 pKa = 11.84  DD248 pKa = 3.04  WQRR251 pKa = 11.84  IKK253 pKa = 10.95  NYY255 pKa = 9.62  NRR257 pKa = 11.84  EE258 pKa = 3.87  QGLISAARR266 pKa = 11.84  SKK268 pKa = 10.86  GYY270 pKa = 9.53  PVDD273 pKa = 4.36  DD274 pKa = 3.49  SSFRR278 pKa = 11.84  LTARR282 pKa = 11.84  SVSSSGKK289 pKa = 9.62  EE290 pKa = 3.63  LAKK293 pKa = 10.63  LAFRR297 pKa = 11.84  RR298 pKa = 11.84  SS299 pKa = 3.33   
 Molecular weight: 34.61 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  8.51 
IPC2_protein 8.448 
IPC_protein 8.317 
Toseland    8.492 
ProMoST     8.77 
Dawson      9.063 
Bjellqvist  9.151 
Wikipedia   9.18 
Rodwell     9.136 
Grimsley    8.814 
Solomon     9.136 
Lehninger   9.092 
Nozaki      9.224 
DTASelect   8.975 
Thurlkill   9.019 
EMBOSS      9.194 
Sillero     9.253 
Patrickios  4.024 
IPC_peptide 9.121 
IPC2_peptide  8.097 
IPC2.peptide.svr19  7.872 
  
 
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
 
       
     
    
      
        7 
 
        
        0
 
        
        7 
         
        1723
 
        68
 
        579
 
        246.1
 
        27.54
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        8.125 ± 1.64
1.567 ± 0.85
 
        7.197 ± 0.472
4.701 ± 0.977
 
        5.92 ± 0.462
6.094 ± 0.574
 
        1.277 ± 0.375
4.875 ± 0.507
       
        4.411 ± 1.172
8.299 ± 0.789
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.96 ± 0.513
5.514 ± 0.468
 
        4.295 ± 1.099
3.656 ± 0.897
 
        5.63 ± 0.707
10.215 ± 1.195
 
        4.643 ± 0.698
5.165 ± 0.714
       
        0.638 ± 0.169
4.817 ± 0.963
         
                
     
  
  
  
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