Pelagibacter phage HTVC008M 
Average proteome isoelectric point is 6.4 
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 198 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|M1I7P3|M1I7P3_9CAUD Putative carbamoyltransferase OS=Pelagibacter phage HTVC008M OX=1283076 PE=3 SV=1MM1 pKa = 7.18  MCGEE5 pKa = 4.39  STTVLTQIVNGFKK18 pKa = 9.98  MKK20 pKa = 10.46  SLAAGQVKK28 pKa = 10.08  YY29 pKa = 10.87  AGDD32 pKa = 4.03  LDD34 pKa = 4.13  GDD36 pKa = 4.44  SIGVISFWIHH46 pKa = 5.06  PTLEE50 pKa = 4.18  YY51 pKa = 11.13  GSMLMTIKK59 pKa = 10.43  EE60 pKa = 4.3  GNLTCLLGYY69 pKa = 10.34  GVDD72 pKa = 4.01  WQWDD76 pKa = 3.87  TDD78 pKa = 3.86  LMIDD82 pKa = 4.3  VVNEE86 pKa = 3.97  VINEE90 pKa = 4.27  DD91 pKa = 3.64  EE92 pKa = 4.57  TSTQQ96 pKa = 3.09  
 10.59 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.764 
IPC2_protein 3.923 
IPC_protein 3.834 
Toseland    3.643 
ProMoST     4.012 
Dawson      3.834 
Bjellqvist  3.986 
Wikipedia   3.77 
Rodwell     3.668 
Grimsley    3.554 
Solomon     3.808 
Lehninger   3.757 
Nozaki      3.961 
DTASelect   4.151 
Thurlkill   3.706 
EMBOSS      3.783 
Sillero     3.961 
Patrickios  1.901 
IPC_peptide 3.808 
IPC2_peptide  3.935 
IPC2.peptide.svr19  3.854 
 Protein with the highest isoelectric point: 
>tr|M1IPH1|M1IPH1_9CAUD Uncharacterized protein OS=Pelagibacter phage HTVC008M OX=1283076 PE=4 SV=1MM1 pKa = 7.78  AIIYY5 pKa = 7.39  THH7 pKa = 5.71  NTSGAIRR14 pKa = 11.84  RR15 pKa = 11.84  LKK17 pKa = 10.11  RR18 pKa = 11.84  RR19 pKa = 11.84  RR20 pKa = 11.84  PTKK23 pKa = 10.13  EE24 pKa = 3.4  YY25 pKa = 9.68  MIALAKK31 pKa = 9.55  HH32 pKa = 5.31  IKK34 pKa = 9.07  YY35 pKa = 10.06  LKK37 pKa = 10.61  KK38 pKa = 10.73  LGLKK42 pKa = 10.45  VNDD45 pKa = 3.71  KK46 pKa = 10.97  GRR48 pKa = 11.84  IVMKK52 pKa = 10.07  QNPKK56 pKa = 8.82  YY57 pKa = 7.41  TTVTYY62 pKa = 11.22  NEE64 pKa = 3.86  ISKK67 pKa = 10.93  DD68 pKa = 3.31  STKK71 pKa = 10.83  RR72 pKa = 11.84  LDD74 pKa = 3.11  AEE76 pKa = 3.84  YY77 pKa = 9.5  WINKK81 pKa = 8.25  KK82 pKa = 10.53  FSGGTKK88 pKa = 9.64  PVNNWRR94 pKa = 11.84  LEE96 pKa = 3.86  EE97 pKa = 4.32  SKK99 pKa = 11.14  NFTIAPAYY107 pKa = 10.42  NKK109 pKa = 10.15  GAYY112 pKa = 8.32  QVITKK117 pKa = 10.68  SNVKK121 pKa = 10.45  DD122 pKa = 3.04  IGKK125 pKa = 9.99  
 14.5 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.201 
IPC2_protein 9.809 
IPC_protein 9.867 
Toseland    10.511 
ProMoST     10.101 
Dawson      10.628 
Bjellqvist  10.248 
Wikipedia   10.76 
Rodwell     11.272 
Grimsley    10.672 
Solomon     10.657 
Lehninger   10.628 
Nozaki      10.467 
DTASelect   10.248 
Thurlkill   10.496 
EMBOSS      10.877 
Sillero     10.54 
Patrickios  10.979 
IPC_peptide 10.657 
IPC2_peptide  8.756 
IPC2.peptide.svr19  8.726 
 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
 
     
    
      
        198 
0
198 
47059
38
2001
237.7
26.77
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        6.067 ± 0.244
0.759 ± 0.069
6.883 ± 0.144
6.335 ± 0.194
4.241 ± 0.104
6.643 ± 0.273
1.942 ± 0.133
6.968 ± 0.157
8.162 ± 0.353
7.429 ± 0.154
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.624 ± 0.122
6.109 ± 0.139
3.353 ± 0.103
3.553 ± 0.115
3.629 ± 0.143
6.335 ± 0.235
7.697 ± 0.481
6.101 ± 0.146
1.113 ± 0.089
4.057 ± 0.211
          
     
  
  
  
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