Marco virus 
Average proteome isoelectric point is 6.49 
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|A0A0D3R1Q9|A0A0D3R1Q9_9RHAB Uncharacterized protein OS=Marco virus OX=1158190 PE=4 SV=1 
MM1 pKa = 7.6  GSCCGKK7 pKa = 9.63  PSRR10 pKa = 11.84  RR11 pKa = 11.84  SHH13 pKa = 7.31  KK14 pKa = 10.27  IILPNVLDD22 pKa = 3.5  GHH24 pKa = 6.04  QFLTDD29 pKa = 3.28  EE30 pKa = 4.24  SRR32 pKa = 11.84  IYY34 pKa = 9.38  LTPQDD39 pKa = 4.64  PPVSICSVIGHH50 pKa = 7.28  DD51 pKa = 3.77  ISHH54 pKa = 6.21  NRR56 pKa = 11.84  NPSVYY61 pKa = 9.56  LNHH64 pKa = 6.06  YY65 pKa = 9.09  NKK67 pKa = 10.77  YY68 pKa = 8.95  YY69 pKa = 10.84  DD70 pKa = 3.5  NYY72 pKa = 10.36  QNRR75 pKa = 11.84  EE76 pKa = 4.06  TIRR79 pKa = 11.84  YY80 pKa = 9.0  IDD82 pKa = 4.74  DD83 pKa = 3.93  SDD85 pKa = 5.73  DD86 pKa = 3.84  DD87 pKa = 5.54  VYY89 pKa = 11.82  DD90 pKa = 3.71  QLAATLKK97 pKa = 10.69   
 Molecular weight: 11.22 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  5.362 
IPC2_protein 5.563 
IPC_protein 5.575 
Toseland    6.033 
ProMoST     5.97 
Dawson      5.881 
Bjellqvist  5.868 
Wikipedia   5.906 
Rodwell     5.855 
Grimsley    6.198 
Solomon     5.881 
Lehninger   5.881 
Nozaki      6.148 
DTASelect   6.364 
Thurlkill   6.364 
EMBOSS      6.338 
Sillero     6.249 
Patrickios  2.13 
IPC_peptide 5.893 
IPC2_peptide  6.262 
IPC2.peptide.svr19  6.197 
 Protein with the highest isoelectric point: 
>tr|A0A0D3R1U6|A0A0D3R1U6_9RHAB GDP polyribonucleotidyltransferase OS=Marco virus OX=1158190 PE=4 SV=1 
MM1 pKa = 6.94  YY2 pKa = 10.64  LKK4 pKa = 9.82  TLVLLCGIGVIQSVTQDD21 pKa = 3.35  DD22 pKa = 3.98  RR23 pKa = 11.84  RR24 pKa = 11.84  SKK26 pKa = 10.91  INLLPFLKK34 pKa = 10.85  LEE36 pKa = 4.12  WLDD39 pKa = 4.01  DD40 pKa = 3.83  LRR42 pKa = 11.84  KK43 pKa = 9.14  PVQDD47 pKa = 3.23  VVMDD51 pKa = 3.81  SQAVFKK57 pKa = 10.61  EE58 pKa = 3.6  IFPNILRR65 pKa = 11.84  EE66 pKa = 3.96  MQAIFQKK73 pKa = 9.99  IDD75 pKa = 3.28  RR76 pKa = 11.84  EE77 pKa = 4.12  ISTKK81 pKa = 10.62  LFDD84 pKa = 4.32  PSRR87 pKa = 11.84  EE88 pKa = 4.05  AFQKK92 pKa = 10.29  MIEE95 pKa = 4.21  GTDD98 pKa = 3.71  RR99 pKa = 11.84  IIKK102 pKa = 8.09  QTDD105 pKa = 3.11  EE106 pKa = 4.92  LFTKK110 pKa = 10.47  KK111 pKa = 10.13  IPEE114 pKa = 4.42  EE115 pKa = 3.87  FNKK118 pKa = 9.46  MSRR121 pKa = 11.84  EE122 pKa = 3.98  IARR125 pKa = 11.84  STQEE129 pKa = 3.94  SINMYY134 pKa = 10.6  KK135 pKa = 10.37  RR136 pKa = 11.84  FEE138 pKa = 4.32  KK139 pKa = 10.67  DD140 pKa = 3.12  FKK142 pKa = 11.47  DD143 pKa = 4.01  KK144 pKa = 10.63  IIEE147 pKa = 4.64  PGSHH151 pKa = 7.19  AIGSVRR157 pKa = 11.84  QEE159 pKa = 3.74  ITSSVLMLKK168 pKa = 10.76  NNMSTSISRR177 pKa = 11.84  MTWNIGNEE185 pKa = 3.95  IKK187 pKa = 10.31  SLKK190 pKa = 9.32  MGLVNEE196 pKa = 5.21  KK197 pKa = 9.99  ILSLGDD203 pKa = 3.55  QINEE207 pKa = 4.03  KK208 pKa = 10.33  VIKK211 pKa = 9.64  KK212 pKa = 8.15  TDD214 pKa = 3.32  QVLTIFKK221 pKa = 8.77  DD222 pKa = 3.4  TLNNKK227 pKa = 8.69  VSPLFQKK234 pKa = 10.82  LSQIDD239 pKa = 3.62  FKK241 pKa = 11.71  GSVDD245 pKa = 4.15  QVNQLIAATKK255 pKa = 9.13  GNVVTPVTVLIQSVKK270 pKa = 10.39  QLIEE274 pKa = 4.26  NYY276 pKa = 10.02  SKK278 pKa = 11.1  SINNYY283 pKa = 10.03  LMPTATKK290 pKa = 10.42  ILDD293 pKa = 3.6  QVSDD297 pKa = 3.63  GTKK300 pKa = 9.53  TVFDD304 pKa = 4.5  LMSTSSKK311 pKa = 10.2  KK312 pKa = 9.67  VHH314 pKa = 6.75  DD315 pKa = 5.53  CILEE319 pKa = 4.07  IQASLSTKK327 pKa = 9.68  VIPVFEE333 pKa = 4.38  GFANYY338 pKa = 7.44  VTAISVALKK347 pKa = 10.18  PVLEE351 pKa = 4.05  NWKK354 pKa = 10.74  DD355 pKa = 3.68  SIEE358 pKa = 3.84  QAFYY362 pKa = 10.6  IIGYY366 pKa = 9.34  NINQVINQFNIYY378 pKa = 10.31  FKK380 pKa = 10.64  DD381 pKa = 3.57  INWNSWIQNTKK392 pKa = 7.0  TWITEE397 pKa = 4.16  TYY399 pKa = 10.41  LSGKK403 pKa = 9.85  AALFDD408 pKa = 4.83  FIKK411 pKa = 10.72  SASEE415 pKa = 3.88  YY416 pKa = 9.91  SFKK419 pKa = 10.67  AIKK422 pKa = 9.59  VIKK425 pKa = 10.02  IIAIVLTIITLGIVVIWIINKK446 pKa = 9.07  VMIISRR452 pKa = 11.84  WCCPNNSS459 pKa = 3.47   
 Molecular weight: 52.48 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  8.561 
IPC2_protein 8.404 
IPC_protein 8.273 
Toseland    9.209 
ProMoST     8.873 
Dawson      9.428 
Bjellqvist  9.136 
Wikipedia   9.545 
Rodwell     9.867 
Grimsley    9.458 
Solomon     9.472 
Lehninger   9.458 
Nozaki      9.355 
DTASelect   9.077 
Thurlkill   9.311 
EMBOSS      9.633 
Sillero     9.399 
Patrickios  5.245 
IPC_peptide 9.472 
IPC2_peptide  7.6 
IPC2.peptide.svr19  7.762 
  
 
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 
         
        4301
 
        97
 
        2134
 
        614.4
 
        70.16
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        4.022 ± 0.705
1.628 ± 0.234
 
        5.487 ± 0.446
5.929 ± 0.387
 
        4.441 ± 0.233
5.208 ± 0.667
 
        2.232 ± 0.393
8.417 ± 0.869
       
        7.719 ± 0.828
9.579 ± 0.713
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.651 ± 0.196
5.51 ± 0.409
 
        4.743 ± 0.705
3.86 ± 0.299
 
        3.86 ± 0.38
8.603 ± 0.537
 
        5.464 ± 0.177
5.231 ± 0.521
       
        1.883 ± 0.192
3.534 ± 0.329
         
                
     
  
  
  
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