Barley virus G 
Average proteome isoelectric point is 8.06 
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 6 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|A0A165ELR9|A0A165ELR9_9LUTE Serine protease OS=Barley virus G OX=1825924 PE=4 SV=1 
MM1 pKa = 7.61  RR2 pKa = 11.84  CAINFDD8 pKa = 3.7  GTLEE12 pKa = 4.05  FSDD15 pKa = 3.72  IPRR18 pKa = 11.84  DD19 pKa = 3.44  LSVRR23 pKa = 11.84  LAEE26 pKa = 4.45  FVSATITIAFCALQPEE42 pKa = 4.63  YY43 pKa = 10.68  DD44 pKa = 3.54  AEE46 pKa = 4.16  ALFRR50 pKa = 11.84  SVLTVLPLMLRR61 pKa = 11.84  PSPYY65 pKa = 8.11  TRR67 pKa = 11.84  GIARR71 pKa = 11.84  EE72 pKa = 4.02  AWSSFARR79 pKa = 11.84  HH80 pKa = 6.1  ALRR83 pKa = 11.84  TGGRR87 pKa = 11.84  ISLPPEE93 pKa = 4.0  FNDD96 pKa = 4.88  NSDD99 pKa = 3.26  EE100 pKa = 4.08  PAALFRR106 pKa = 11.84  RR107 pKa = 11.84  FLQRR111 pKa = 11.84  VDD113 pKa = 2.98  ARR115 pKa = 11.84  AYY117 pKa = 9.53  AHH119 pKa = 6.55  ALKK122 pKa = 10.57  GRR124 pKa = 11.84  EE125 pKa = 4.07  EE126 pKa = 4.18  NFFTSLRR133 pKa = 11.84  SFQLKK138 pKa = 10.53  LEE140 pKa = 4.41  SFCRR144 pKa = 11.84  RR145 pKa = 11.84  AEE147 pKa = 4.21  DD148 pKa = 3.7  PDD150 pKa = 4.57  RR151 pKa = 11.84  YY152 pKa = 8.63  PQRR155 pKa = 11.84  RR156 pKa = 11.84  HH157 pKa = 6.33  IEE159 pKa = 4.02  VLSGIVRR166 pKa = 11.84  EE167 pKa = 4.04  AHH169 pKa = 6.19  NNGEE173 pKa = 4.04  SIYY176 pKa = 10.83  RR177 pKa = 11.84  HH178 pKa = 6.15  FPDD181 pKa = 4.63  ADD183 pKa = 4.04  NIHH186 pKa = 6.96  LEE188 pKa = 3.95  LLDD191 pKa = 4.27  LGRR194 pKa = 11.84  SLEE197 pKa = 4.04  FDD199 pKa = 4.03  FPHH202 pKa = 6.28  QAVHH206 pKa = 6.59  PSDD209 pKa = 4.85  LISRR213 pKa = 11.84  LFVYY217 pKa = 7.84  MHH219 pKa = 6.81  NALGPFGLQDD229 pKa = 3.5  FWRR232 pKa = 11.84  VADD235 pKa = 4.17  LSDD238 pKa = 3.62  FFVIHH243 pKa = 7.09  SDD245 pKa = 3.35  VQYY248 pKa = 11.0  LQDD251 pKa = 3.9  SYY253 pKa = 11.27  IQKK256 pKa = 10.17  EE257 pKa = 4.04  LADD260 pKa = 3.66  VV261 pKa = 3.7   
 Molecular weight: 30.11 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  5.538 
IPC2_protein 5.436 
IPC_protein 5.448 
Toseland    5.817 
ProMoST     5.753 
Dawson      5.652 
Bjellqvist  5.677 
Wikipedia   5.639 
Rodwell     5.614 
Grimsley    5.982 
Solomon     5.652 
Lehninger   5.626 
Nozaki      5.881 
DTASelect   6.071 
Thurlkill   6.033 
EMBOSS      5.995 
Sillero     5.982 
Patrickios  4.202 
IPC_peptide 5.664 
IPC2_peptide  5.995 
IPC2.peptide.svr19  5.929 
 Protein with the highest isoelectric point: 
>tr|A0A165ELU0|A0A165ELU0_9LUTE Movement protein OS=Barley virus G OX=1825924 PE=3 SV=1 
MM1 pKa = 6.87  NTGGRR6 pKa = 11.84  NGRR9 pKa = 11.84  RR10 pKa = 11.84  TRR12 pKa = 11.84  SRR14 pKa = 11.84  RR15 pKa = 11.84  RR16 pKa = 11.84  VRR18 pKa = 11.84  PASRR22 pKa = 11.84  TQPVVVVAAGQRR34 pKa = 11.84  RR35 pKa = 11.84  RR36 pKa = 11.84  RR37 pKa = 11.84  PRR39 pKa = 11.84  RR40 pKa = 11.84  RR41 pKa = 11.84  GRR43 pKa = 11.84  RR44 pKa = 11.84  TGNTSGGSGIRR55 pKa = 11.84  RR56 pKa = 11.84  GSRR59 pKa = 11.84  EE60 pKa = 3.74  TFVFSKK66 pKa = 11.02  DD67 pKa = 3.43  SLTGNASGKK76 pKa = 8.55  LTFGASLSEE85 pKa = 4.14  CAAFSSGILKK95 pKa = 10.26  AYY97 pKa = 10.28  HH98 pKa = 6.69  EE99 pKa = 4.41  YY100 pKa = 10.53  KK101 pKa = 10.1  ISKK104 pKa = 7.96  VTLEE108 pKa = 4.8  FISEE112 pKa = 4.08  ASSQSEE118 pKa = 3.81  GSIAYY123 pKa = 9.56  EE124 pKa = 3.64  LDD126 pKa = 3.21  PHH128 pKa = 6.71  NKK130 pKa = 9.64  LSALSSTINKK140 pKa = 9.53  FSIVKK145 pKa = 9.56  GGKK148 pKa = 8.18  RR149 pKa = 11.84  TFTSNQIGGGVWRR162 pKa = 11.84  DD163 pKa = 3.34  STEE166 pKa = 3.77  DD167 pKa = 3.26  QFAILYY173 pKa = 9.16  KK174 pKa = 11.02  GNGKK178 pKa = 10.17  SSIAGSFRR186 pKa = 11.84  VTMDD190 pKa = 3.75  VLTQNPKK197 pKa = 10.33   
 Molecular weight: 21.46 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.191 
IPC2_protein 10.101 
IPC_protein 11.359 
Toseland    11.52 
ProMoST     11.93 
Dawson      11.535 
Bjellqvist  11.477 
Wikipedia   11.959 
Rodwell     11.462 
Grimsley    11.579 
Solomon     11.974 
Lehninger   11.871 
Nozaki      11.52 
DTASelect   11.477 
Thurlkill   11.52 
EMBOSS      12.003 
Sillero     11.52 
Patrickios  11.169 
IPC_peptide 11.974 
IPC2_peptide  10.921 
IPC2.peptide.svr19  9.218 
  
 
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
 
       
     
    
      
        6 
 
        
        0
 
        
        6 
         
        2961
 
        185
 
        1043
 
        493.5
 
        55.06
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        6.856 ± 0.329
1.621 ± 0.398
 
        4.593 ± 0.492
5.505 ± 0.373
 
        4.154 ± 0.484
6.788 ± 0.764
 
        1.486 ± 0.292
4.357 ± 0.359
       
        4.998 ± 0.568
9.355 ± 1.368
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        1.689 ± 0.172
4.222 ± 0.239
 
        5.674 ± 0.684
4.694 ± 0.357
 
        7.295 ± 0.829
10.199 ± 0.972
 
        6.011 ± 0.529
5.775 ± 0.159
       
        1.52 ± 0.227
3.175 ± 0.252
         
                
     
  
  
  
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