Siphoviridae sp. 
Average proteome isoelectric point is 6.43 
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 115 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|A0A345BPV8|A0A345BPV8_9CAUD Uncharacterized protein OS=Siphoviridae sp. OX=2170413 PE=4 SV=1MM1 pKa = 7.24  RR2 pKa = 11.84  TSFSTIYY9 pKa = 10.8  DD10 pKa = 3.66  SFLSKK15 pKa = 9.39  ITSDD19 pKa = 3.33  MYY21 pKa = 10.84  MEE23 pKa = 5.4  LDD25 pKa = 3.28  EE26 pKa = 5.2  LQTFRR31 pKa = 11.84  LLQEE35 pKa = 4.4  LLIDD39 pKa = 5.16  AIPWFEE45 pKa = 4.3  FPRR48 pKa = 11.84  KK49 pKa = 9.51  NLNDD53 pKa = 3.64  YY54 pKa = 10.58  EE55 pKa = 4.32  LLIDD59 pKa = 4.89  KK60 pKa = 10.75  YY61 pKa = 11.5  DD62 pKa = 3.62  DD63 pKa = 3.87  VYY65 pKa = 11.52  CGVEE69 pKa = 3.55  TDD71 pKa = 3.59  MQDD74 pKa = 3.14  VEE76 pKa = 4.61  IIVYY80 pKa = 9.73  EE81 pKa = 4.01  GGYY84 pKa = 10.64  FNVDD88 pKa = 3.15  LTLEE92 pKa = 4.46  EE93 pKa = 4.63  INILSCYY100 pKa = 9.78  MIVEE104 pKa = 4.22  WLGQQLASIEE114 pKa = 4.38  NIRR117 pKa = 11.84  MKK119 pKa = 10.99  YY120 pKa = 9.92  SGSDD124 pKa = 2.92  
 14.68 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.768 
IPC2_protein 3.872 
IPC_protein 3.821 
Toseland    3.617 
ProMoST     3.923 
Dawson      3.795 
Bjellqvist  3.999 
Wikipedia   3.719 
Rodwell     3.656 
Grimsley    3.528 
Solomon     3.783 
Lehninger   3.745 
Nozaki      3.923 
DTASelect   4.101 
Thurlkill   3.668 
EMBOSS      3.732 
Sillero     3.935 
Patrickios  0.655 
IPC_peptide 3.783 
IPC2_peptide  3.923 
IPC2.peptide.svr19  3.88 
 Protein with the highest isoelectric point: 
>tr|A0A345BPP9|A0A345BPP9_9CAUD Uncharacterized protein OS=Siphoviridae sp. OX=2170413 PE=4 SV=1MM1 pKa = 7.42  KK2 pKa = 10.27  KK3 pKa = 10.11  IIVLMVVAICFIFTAKK19 pKa = 9.44  IVKK22 pKa = 10.12  AEE24 pKa = 3.81  PHH26 pKa = 6.18  LKK28 pKa = 9.23  YY29 pKa = 10.25  KK30 pKa = 10.6  QYY32 pKa = 10.76  FKK34 pKa = 11.32  EE35 pKa = 4.1  DD36 pKa = 3.31  MRR38 pKa = 11.84  GTDD41 pKa = 3.41  LTKK44 pKa = 11.15  AKK46 pKa = 9.77  IKK48 pKa = 10.4  RR49 pKa = 11.84  INRR52 pKa = 11.84  YY53 pKa = 8.98  IFNHH57 pKa = 5.42  EE58 pKa = 4.01  FKK60 pKa = 10.93  ANKK63 pKa = 9.34  IYY65 pKa = 10.7  RR66 pKa = 11.84  LRR68 pKa = 11.84  GYY70 pKa = 10.48  DD71 pKa = 3.36  VIFITNRR78 pKa = 11.84  KK79 pKa = 8.73  GRR81 pKa = 11.84  EE82 pKa = 3.99  KK83 pKa = 10.21  SWKK86 pKa = 10.07  LLEE89 pKa = 4.22  TRR91 pKa = 11.84  KK92 pKa = 10.41  KK93 pKa = 10.04  PVIILSIGRR102 pKa = 11.84  MYY104 pKa = 10.9  NYY106 pKa = 10.48  NGDD109 pKa = 3.93  GQCTDD114 pKa = 3.02  GTYY117 pKa = 9.7  TGYY120 pKa = 10.94  RR121 pKa = 11.84  YY122 pKa = 5.91  TTKK125 pKa = 10.1  RR126 pKa = 11.84  GKK128 pKa = 9.41  RR129 pKa = 11.84  AVMRR133 pKa = 11.84  FPLDD137 pKa = 3.69  TIIKK141 pKa = 7.9  TVEE144 pKa = 3.84  IFPGTNQYY152 pKa = 9.83  TDD154 pKa = 3.35  TVAYY158 pKa = 10.36  RR159 pKa = 11.84  SDD161 pKa = 3.18  TCLDD165 pKa = 3.1  IKK167 pKa = 11.12  
 19.73 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.188 
IPC2_protein 9.516 
IPC_protein 9.516 
Toseland    10.116 
ProMoST     9.823 
Dawson      10.321 
Bjellqvist  9.984 
Wikipedia   10.482 
Rodwell     10.804 
Grimsley    10.379 
Solomon     10.335 
Lehninger   10.306 
Nozaki      10.116 
DTASelect   9.97 
Thurlkill   10.16 
EMBOSS      10.526 
Sillero     10.233 
Patrickios  10.409 
IPC_peptide 10.335 
IPC2_peptide  8.653 
IPC2.peptide.svr19  8.452 
 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  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
 
  
    Try  
 
  
    ChTry  
 
  
    ArgC  
 
  
    LysN  
 
  
    TryLysC  
   
  
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
 
     
    
      
        115 
0
115 
29956
80
2706
260.5
29.97
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        4.707 ± 0.393
1.325 ± 0.178
6.386 ± 0.235
8.312 ± 0.362
4.149 ± 0.221
5.712 ± 0.246
1.392 ± 0.125
8.689 ± 0.294
9.504 ± 0.331
8.038 ± 0.156
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.367 ± 0.138
7.207 ± 0.181
2.634 ± 0.189
3.178 ± 0.244
3.806 ± 0.132
6.399 ± 0.275
5.097 ± 0.23
4.971 ± 0.151
1.025 ± 0.078
5.101 ± 0.207
          
     
  
  
  
Note:  For amino acid frequency statistics the error has been estimated with the bootstraping (x100) at the protein levelMost of the basic statistics you can see at this page can be downloaded from this CSV file  
For dipeptide frequency statistics click here