Mycobacterium phage Aminay 
Average proteome isoelectric point is 6.7 
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 105 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|A0A345KV25|A0A345KV25_9CAUD Helix-turn-helix DNA binding domain protein OS=Mycobacterium phage Aminay OX=2250291 GN=39 PE=4 SV=1 
MM1 pKa = 7.11  TAGDD5 pKa = 4.81  GIRR8 pKa = 11.84  AAIEE12 pKa = 3.92  AMLDD16 pKa = 3.55  EE17 pKa = 5.57  SGDD20 pKa = 4.03  GYY22 pKa = 11.29  QLGQLVIVMSLEE34 pKa = 4.52  HH35 pKa = 6.77  INADD39 pKa = 3.64  GQIEE43 pKa = 4.36  TVPWLWAPPDD53 pKa = 3.46  QAEE56 pKa = 4.11  WMTDD60 pKa = 3.21  GLLSTALDD68 pKa = 3.7  LRR70 pKa = 11.84  ATADD74 pKa = 3.29  EE75 pKa = 5.27  HH76 pKa = 7.72  YY77 pKa = 10.78  DD78 pKa = 3.27   
 Molecular weight: 8.5 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.075 
IPC2_protein 3.694 
IPC_protein 3.63 
Toseland    3.427 
ProMoST     3.745 
Dawson      3.643 
Bjellqvist  3.872 
Wikipedia   3.605 
Rodwell     3.465 
Grimsley    3.35 
Solomon     3.605 
Lehninger   3.567 
Nozaki      3.77 
DTASelect   3.973 
Thurlkill   3.503 
EMBOSS      3.605 
Sillero     3.757 
Patrickios  3.02 
IPC_peptide 3.605 
IPC2_peptide  3.732 
IPC2.peptide.svr19  3.77 
 Protein with the highest isoelectric point: 
>tr|A0A345KV90|A0A345KV90_9CAUD Membrane protein OS=Mycobacterium phage Aminay OX=2250291 GN=59 PE=4 SV=1 
MM1 pKa = 7.1  HH2 pKa = 8.0  RR3 pKa = 11.84  SRR5 pKa = 11.84  GSRR8 pKa = 11.84  PFLLAICRR16 pKa = 11.84  TCRR19 pKa = 11.84  SVARR23 pKa = 11.84  VVKK26 pKa = 10.31  LCNIDD31 pKa = 3.29  TCQRR35 pKa = 11.84  PVLGRR40 pKa = 11.84  GMCPSHH46 pKa = 6.21  YY47 pKa = 9.84  NAWNRR52 pKa = 11.84  AQRR55 pKa = 11.84  RR56 pKa = 11.84  HH57 pKa = 5.96  TIVCAEE63 pKa = 4.51  CGQTAQVDD71 pKa = 3.51  RR72 pKa = 11.84  SDD74 pKa = 5.99  RR75 pKa = 11.84  ILCGNACRR83 pKa = 11.84  MEE85 pKa = 4.35  RR86 pKa = 11.84  ARR88 pKa = 11.84  KK89 pKa = 8.54  AAAAANRR96 pKa = 11.84  AAGWAARR103 pKa = 11.84  AARR106 pKa = 11.84  SQLVPYY112 pKa = 8.95  TGPPYY117 pKa = 9.32  VAPVRR122 pKa = 11.84  TVQGKK127 pKa = 8.07  GLWTSGQCRR136 pKa = 11.84  VCGAWFTSQHH146 pKa = 6.48  LDD148 pKa = 3.43  VTCSPEE154 pKa = 3.82  CWHH157 pKa = 6.2  QRR159 pKa = 11.84  MAEE162 pKa = 3.92  MTRR165 pKa = 11.84  EE166 pKa = 3.8  HH167 pKa = 6.05  KK168 pKa = 9.77  QRR170 pKa = 11.84  RR171 pKa = 11.84  RR172 pKa = 11.84  ARR174 pKa = 11.84  KK175 pKa = 8.11  RR176 pKa = 11.84  NAYY179 pKa = 7.88  VAPVNRR185 pKa = 11.84  RR186 pKa = 11.84  KK187 pKa = 10.34  VFEE190 pKa = 4.35  ADD192 pKa = 3.34  GYY194 pKa = 10.0  RR195 pKa = 11.84  CHH197 pKa = 6.66  ICRR200 pKa = 11.84  RR201 pKa = 11.84  RR202 pKa = 11.84  CDD204 pKa = 3.3  KK205 pKa = 10.42  TKK207 pKa = 9.98  PAPHH211 pKa = 6.91  PRR213 pKa = 11.84  SPTIDD218 pKa = 3.23  HH219 pKa = 6.9  VIPLAAGGTHH229 pKa = 6.44  EE230 pKa = 4.74  PANCRR235 pKa = 11.84  TACFQCNAVKK245 pKa = 10.45  GDD247 pKa = 3.74  RR248 pKa = 11.84  GSGEE252 pKa = 3.96  QFALAFF258 pKa = 4.36   
 Molecular weight: 28.91 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.351 
IPC2_protein 9.428 
IPC_protein 10.189 
Toseland    10.467 
ProMoST     10.218 
Dawson      10.584 
Bjellqvist  10.379 
Wikipedia   10.804 
Rodwell     10.687 
Grimsley    10.628 
Solomon     10.701 
Lehninger   10.672 
Nozaki      10.599 
DTASelect   10.321 
Thurlkill   10.496 
EMBOSS      10.877 
Sillero     10.555 
Patrickios  10.365 
IPC_peptide 10.716 
IPC2_peptide  9.984 
IPC2.peptide.svr19  8.512 
  
 
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
 
       
     
    
      
        105 
 
        
        0
 
        
        105 
         
        19027
 
        27
 
        1433
 
        181.2
 
        19.57
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        13.444 ± 0.459
1.056 ± 0.162
 
        6.312 ± 0.279
5.208 ± 0.331
 
        2.575 ± 0.136
9.124 ± 0.573
 
        1.987 ± 0.186
4.283 ± 0.205
       
        3.222 ± 0.209
7.994 ± 0.264
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.118 ± 0.103
2.817 ± 0.163
 
        5.655 ± 0.214
3.343 ± 0.202
 
        7.495 ± 0.465
5.161 ± 0.247
 
        6.596 ± 0.259
7.079 ± 0.217
       
        2.129 ± 0.119
2.402 ± 0.168
         
                
     
  
  
  
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