Gemycircularvirus SL1 
Average proteome isoelectric point is 7.49 
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 2 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|A0A0E3IQD7|A0A0E3IQD7_9VIRU Capsid OS=Gemycircularvirus SL1 OX=1588764 PE=4 SV=1 
MM1 pKa = 7.54  TFHH4 pKa = 7.04  CNARR8 pKa = 11.84  YY9 pKa = 8.77  FLLTYY14 pKa = 7.75  SQCGEE19 pKa = 4.04  LDD21 pKa = 3.03  PWKK24 pKa = 10.73  VSNHH28 pKa = 5.33  LGEE31 pKa = 4.71  LRR33 pKa = 11.84  GEE35 pKa = 4.24  CIVARR40 pKa = 11.84  EE41 pKa = 4.0  AHH43 pKa = 6.56  ADD45 pKa = 3.59  GGTHH49 pKa = 6.22  LHH51 pKa = 6.48  AFVDD55 pKa = 4.82  FGRR58 pKa = 11.84  KK59 pKa = 7.98  FRR61 pKa = 11.84  SRR63 pKa = 11.84  RR64 pKa = 11.84  TSIFDD69 pKa = 3.44  VDD71 pKa = 3.42  NHH73 pKa = 6.44  HH74 pKa = 7.22  PNVSATHH81 pKa = 4.54  STPRR85 pKa = 11.84  EE86 pKa = 4.05  GFDD89 pKa = 3.51  YY90 pKa = 10.91  ACKK93 pKa = 10.75  DD94 pKa = 3.18  GDD96 pKa = 3.76  IVAGGLEE103 pKa = 4.24  RR104 pKa = 11.84  PEE106 pKa = 3.72  QSDD109 pKa = 3.49  RR110 pKa = 11.84  VVRR113 pKa = 11.84  STGWHH118 pKa = 7.04  DD119 pKa = 3.17  IVAATSRR126 pKa = 11.84  EE127 pKa = 4.12  EE128 pKa = 4.12  FFEE131 pKa = 4.86  LLMAHH136 pKa = 7.25  DD137 pKa = 4.86  PRR139 pKa = 11.84  TLCTCFAQLSKK150 pKa = 11.03  YY151 pKa = 10.65  ADD153 pKa = 2.74  WRR155 pKa = 11.84  YY156 pKa = 10.31  RR157 pKa = 11.84  EE158 pKa = 4.44  DD159 pKa = 3.71  PEE161 pKa = 4.8  PYY163 pKa = 9.65  RR164 pKa = 11.84  SPDD167 pKa = 3.25  SVVIDD172 pKa = 4.02  ASAFPEE178 pKa = 4.39  LEE180 pKa = 4.19  EE181 pKa = 4.22  WPHH184 pKa = 6.63  RR185 pKa = 11.84  ALQPAHH191 pKa = 5.46  VRR193 pKa = 11.84  RR194 pKa = 11.84  GRR196 pKa = 11.84  RR197 pKa = 11.84  GQSLVLYY204 pKa = 9.68  GPSRR208 pKa = 11.84  MGKK211 pKa = 6.4  TLWARR216 pKa = 11.84  SLGSHH221 pKa = 7.06  AYY223 pKa = 10.06  FGGLFSLQEE232 pKa = 3.78  EE233 pKa = 4.65  TDD235 pKa = 3.63  NVDD238 pKa = 3.18  YY239 pKa = 11.36  AIFDD243 pKa = 4.31  DD244 pKa = 4.79  LNGGIPFFPQYY255 pKa = 10.6  KK256 pKa = 8.37  WWLGHH261 pKa = 5.76  QGQFYY266 pKa = 9.1  ATDD269 pKa = 3.39  KK270 pKa = 11.28  YY271 pKa = 10.76  KK272 pKa = 10.98  GKK274 pKa = 10.69  KK275 pKa = 8.08  LVHH278 pKa = 6.61  WGRR281 pKa = 11.84  PAIWISNKK289 pKa = 9.95  DD290 pKa = 3.24  PRR292 pKa = 11.84  EE293 pKa = 3.97  EE294 pKa = 4.49  HH295 pKa = 6.25  GADD298 pKa = 3.86  YY299 pKa = 11.16  DD300 pKa = 3.89  WLNANCLFIYY310 pKa = 10.42  VDD312 pKa = 4.24  TPIAWEE318 pKa = 3.97  IEE320 pKa = 4.06   
 Molecular weight: 36.86 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  5.68 
IPC2_protein 5.614 
IPC_protein 5.677 
Toseland    6.135 
ProMoST     5.957 
Dawson      5.957 
Bjellqvist  5.97 
Wikipedia   5.982 
Rodwell     5.944 
Grimsley    6.313 
Solomon     5.957 
Lehninger   5.957 
Nozaki      6.237 
DTASelect   6.427 
Thurlkill   6.44 
EMBOSS      6.402 
Sillero     6.338 
Patrickios  3.923 
IPC_peptide 5.97 
IPC2_peptide  6.351 
IPC2.peptide.svr19  6.24 
 Protein with the highest isoelectric point: 
>tr|A0A0E3IQD7|A0A0E3IQD7_9VIRU Capsid OS=Gemycircularvirus SL1 OX=1588764 PE=4 SV=1 
MM1 pKa = 7.94  AYY3 pKa = 9.67  GSRR6 pKa = 11.84  YY7 pKa = 8.28  RR8 pKa = 11.84  GYY10 pKa = 9.85  RR11 pKa = 11.84  RR12 pKa = 11.84  RR13 pKa = 11.84  RR14 pKa = 11.84  RR15 pKa = 11.84  MFSRR19 pKa = 11.84  SRR21 pKa = 11.84  ARR23 pKa = 11.84  RR24 pKa = 11.84  GNGRR28 pKa = 11.84  RR29 pKa = 11.84  YY30 pKa = 9.83  SRR32 pKa = 11.84  APRR35 pKa = 11.84  RR36 pKa = 11.84  RR37 pKa = 11.84  VYY39 pKa = 10.09  RR40 pKa = 11.84  RR41 pKa = 11.84  RR42 pKa = 11.84  RR43 pKa = 11.84  TRR45 pKa = 11.84  RR46 pKa = 11.84  SVLNVSTRR54 pKa = 11.84  KK55 pKa = 10.17  LKK57 pKa = 9.82  DD58 pKa = 3.02  TMPPVVITEE67 pKa = 4.19  GGFAGTPGVPYY78 pKa = 10.88  RR79 pKa = 11.84  MTGQLEE85 pKa = 4.29  YY86 pKa = 10.56  TFAFCPSARR95 pKa = 11.84  DD96 pKa = 3.57  SHH98 pKa = 6.09  RR99 pKa = 11.84  TTATDD104 pKa = 3.81  FPVGQRR110 pKa = 11.84  GMYY113 pKa = 9.23  QRR115 pKa = 11.84  SLTDD119 pKa = 3.09  VYY121 pKa = 11.47  ARR123 pKa = 11.84  GYY125 pKa = 10.47  KK126 pKa = 10.12  EE127 pKa = 3.93  IVSLASNSGANWLWRR142 pKa = 11.84  RR143 pKa = 11.84  LVVSLKK149 pKa = 10.56  NPIWKK154 pKa = 9.36  LFPSLTVQRR163 pKa = 11.84  EE164 pKa = 3.72  IPLDD168 pKa = 3.46  SDD170 pKa = 3.53  RR171 pKa = 11.84  ASGQVRR177 pKa = 11.84  TMYY180 pKa = 10.71  NIGPTPEE187 pKa = 5.57  GEE189 pKa = 4.19  TQLAQDD195 pKa = 4.11  VYY197 pKa = 11.0  RR198 pKa = 11.84  VIFEE202 pKa = 4.26  GTLDD206 pKa = 4.31  LDD208 pKa = 3.36  WHH210 pKa = 6.17  NVFNAKK216 pKa = 9.0  PDD218 pKa = 3.32  KK219 pKa = 10.7  RR220 pKa = 11.84  FVRR223 pKa = 11.84  VRR225 pKa = 11.84  SDD227 pKa = 2.42  RR228 pKa = 11.84  TMRR231 pKa = 11.84  LRR233 pKa = 11.84  TTNDD237 pKa = 2.6  EE238 pKa = 4.41  AYY240 pKa = 10.84  LNNYY244 pKa = 7.28  QFWDD248 pKa = 3.97  GVNANMHH255 pKa = 5.69  YY256 pKa = 10.34  NEE258 pKa = 5.09  KK259 pKa = 10.64  EE260 pKa = 3.96  SGSDD264 pKa = 2.77  IKK266 pKa = 10.43  MDD268 pKa = 4.63  PDD270 pKa = 3.84  LEE272 pKa = 4.72  SNEE275 pKa = 3.86  NTLSKK280 pKa = 10.51  FSAEE284 pKa = 4.21  GLSGAGDD291 pKa = 3.54  LWVFDD296 pKa = 4.68  FFSCGSKK303 pKa = 10.51  DD304 pKa = 3.36  AADD307 pKa = 3.75  EE308 pKa = 5.46  LRR310 pKa = 11.84  FQPNGTFFWHH320 pKa = 6.15  EE321 pKa = 3.88  RR322 pKa = 3.51   
 Molecular weight: 37.45 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.308 
IPC2_protein 9.633 
IPC_protein 10.496 
Toseland    10.233 
ProMoST     10.16 
Dawson      10.467 
Bjellqvist  10.233 
Wikipedia   10.716 
Rodwell     10.555 
Grimsley    10.555 
Solomon     10.526 
Lehninger   10.482 
Nozaki      10.233 
DTASelect   10.233 
Thurlkill   10.306 
EMBOSS      10.657 
Sillero     10.379 
Patrickios  9.955 
IPC_peptide 10.526 
IPC2_peptide  9.209 
IPC2.peptide.svr19  8.643 
  
 
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
 
       
     
    
      
        2 
 
        
        0
 
        
        2 
         
        642
 
        320
 
        322
 
        321.0
 
        37.16
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        6.854 ± 0.641
1.402 ± 0.525
 
        6.854 ± 0.432
5.607 ± 0.639
 
        5.452 ± 0.116
7.632 ± 0.12
 
        3.115 ± 1.26
2.96 ± 0.529
       
        3.427 ± 0.007
7.009 ± 0.328
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        1.869 ± 0.623
4.05 ± 0.827
 
        4.984 ± 0.219
2.804 ± 0.006
 
        10.748 ± 1.963
6.854 ± 0.613
 
        5.452 ± 0.72
5.607 ± 0.406
       
        2.804 ± 0.424
4.517 ± 0.095
         
                
     
  
  
  
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