Mycobacterium phage Niza 
Average proteome isoelectric point is 6.18 
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 89 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|A0A2Z5HDS2|A0A2Z5HDS2_9CAUD Uncharacterized protein OS=Mycobacterium phage Niza OX=2250382 GN=2 PE=4 SV=1 
MM1 pKa = 7.93  KK2 pKa = 9.35  YY3 pKa = 7.78  TLRR6 pKa = 11.84  VFGIPVLSFEE16 pKa = 4.47  SAGTGAEE23 pKa = 3.56  EE24 pKa = 5.43  GYY26 pKa = 10.65  INLTGGSFEE35 pKa = 4.65  LAPEE39 pKa = 3.98  EE40 pKa = 4.15  PEE42 pKa = 3.9  YY43 pKa = 11.14  DD44 pKa = 3.36  EE45 pKa = 5.58  EE46 pKa = 4.96  YY47 pKa = 11.13  YY48 pKa = 10.94  EE49 pKa = 4.6  GDD51 pKa = 2.97  RR52 pKa = 11.84  SGFGFGVSS60 pKa = 3.28   
 Molecular weight: 6.57 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.859 
IPC2_protein 4.05 
IPC_protein 3.846 
Toseland    3.719 
ProMoST     3.961 
Dawson      3.783 
Bjellqvist  3.948 
Wikipedia   3.656 
Rodwell     3.694 
Grimsley    3.643 
Solomon     3.757 
Lehninger   3.706 
Nozaki      3.923 
DTASelect   3.948 
Thurlkill   3.745 
EMBOSS      3.668 
Sillero     3.948 
Patrickios  0.604 
IPC_peptide 3.757 
IPC2_peptide  3.935 
IPC2.peptide.svr19  3.864 
 Protein with the highest isoelectric point: 
>tr|A0A2Z5HDT7|A0A2Z5HDT7_9CAUD Tail terminator OS=Mycobacterium phage Niza OX=2250382 GN=22 PE=4 SV=1 
MM1 pKa = 7.41  AVHH4 pKa = 6.12  YY5 pKa = 10.0  PEE7 pKa = 5.3  SLLPAPKK14 pKa = 10.21  VCAHH18 pKa = 7.06  CEE20 pKa = 3.77  QPMPEE25 pKa = 4.45  GKK27 pKa = 9.84  RR28 pKa = 11.84  PHH30 pKa = 6.72  AVYY33 pKa = 10.55  CDD35 pKa = 3.78  RR36 pKa = 11.84  RR37 pKa = 11.84  CKK39 pKa = 9.08  TAAAEE44 pKa = 4.25  TRR46 pKa = 11.84  RR47 pKa = 11.84  PPRR50 pKa = 11.84  DD51 pKa = 2.83  NHH53 pKa = 5.74  ARR55 pKa = 11.84  YY56 pKa = 9.51  LKK58 pKa = 10.02  EE59 pKa = 3.8  RR60 pKa = 11.84  EE61 pKa = 3.59  RR62 pKa = 11.84  RR63 pKa = 11.84  LAYY66 pKa = 10.09  SRR68 pKa = 11.84  EE69 pKa = 4.04  YY70 pKa = 10.44  QKK72 pKa = 11.09  RR73 pKa = 11.84  NPDD76 pKa = 2.99  VPKK79 pKa = 9.28  RR80 pKa = 11.84  AKK82 pKa = 9.75  RR83 pKa = 11.84  KK84 pKa = 9.28  RR85 pKa = 11.84  RR86 pKa = 11.84  ALIAGRR92 pKa = 11.84  EE93 pKa = 4.24  TFTITQRR100 pKa = 11.84  DD101 pKa = 3.51  WLRR104 pKa = 11.84  LVRR107 pKa = 11.84  RR108 pKa = 11.84  HH109 pKa = 5.26  NHH111 pKa = 4.71  RR112 pKa = 11.84  CFYY115 pKa = 10.86  CEE117 pKa = 3.77  APGPMSMGHH126 pKa = 5.6  VVPISRR132 pKa = 11.84  GGRR135 pKa = 11.84  HH136 pKa = 6.09  SIGNIVPACISCNSSKK152 pKa = 10.49  RR153 pKa = 11.84  DD154 pKa = 3.35  RR155 pKa = 11.84  TVVEE159 pKa = 3.66  WRR161 pKa = 11.84  LSKK164 pKa = 10.37  RR165 pKa = 11.84  GHH167 pKa = 6.03  IARR170 pKa = 11.84  VAA172 pKa = 3.13   
 Molecular weight: 20.01 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.333 
IPC2_protein 9.75 
IPC_protein 10.789 
Toseland    10.877 
ProMoST     10.789 
Dawson      10.95 
Bjellqvist  10.745 
Wikipedia   11.228 
Rodwell     11.008 
Grimsley    10.994 
Solomon     11.169 
Lehninger   11.111 
Nozaki      10.891 
DTASelect   10.745 
Thurlkill   10.877 
EMBOSS      11.301 
Sillero     10.906 
Patrickios  10.716 
IPC_peptide 11.169 
IPC2_peptide  10.116 
IPC2.peptide.svr19  8.598 
  
 
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
 
       
     
    
      
        89 
 
        
        0
 
        
        89 
         
        16088
 
        22
 
        822
 
        180.8
 
        19.88
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        9.809 ± 0.425
0.796 ± 0.121
 
        6.496 ± 0.22
6.564 ± 0.28
 
        3.046 ± 0.171
8.64 ± 0.441
 
        1.977 ± 0.193
5.01 ± 0.268
       
        4.301 ± 0.258
8.36 ± 0.224
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.033 ± 0.12
3.164 ± 0.155
 
        5.545 ± 0.24
3.257 ± 0.17
 
        6.464 ± 0.416
5.843 ± 0.284
 
        6.409 ± 0.288
7.266 ± 0.24
       
        2.001 ± 0.12
3.021 ± 0.172
         
                
     
  
  
  
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