Microbacterium phage Stormbreaker 
Average proteome isoelectric point is 5.7 
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 54 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|A0A7G9A0E6|A0A7G9A0E6_9CAUD Cas4 family exonuclease OS=Microbacterium phage Stormbreaker OX=2759462 GN=12 PE=4 SV=1 
MM1 pKa = 7.49  SEE3 pKa = 3.68  YY4 pKa = 11.28  AEE6 pKa = 4.24  AFKK9 pKa = 11.12  AQDD12 pKa = 3.39  EE13 pKa = 4.54  YY14 pKa = 12.02  AEE16 pKa = 4.26  VQSFSDD22 pKa = 4.32  DD23 pKa = 3.58  PYY25 pKa = 10.44  PYY27 pKa = 10.24  YY28 pKa = 10.37  FAYY31 pKa = 10.69  LRR33 pKa = 11.84  FSEE36 pKa = 4.91  GKK38 pKa = 9.41  LQAAVTRR45 pKa = 11.84  DD46 pKa = 3.83  DD47 pKa = 4.21  FIGWMDD53 pKa = 3.65  YY54 pKa = 9.22  VHH56 pKa = 6.84  EE57 pKa = 4.35  EE58 pKa = 4.3  WACSLADD65 pKa = 4.09  TLDD68 pKa = 3.83  TPLKK72 pKa = 9.89  EE73 pKa = 4.54  FKK75 pKa = 10.69  LLEE78 pKa = 4.21  YY79 pKa = 10.57  LDD81 pKa = 4.22  GVDD84 pKa = 3.29  WVMPDD89 pKa = 4.13  TIHH92 pKa = 7.68  DD93 pKa = 4.5  GSPHH97 pKa = 6.12  PKK99 pKa = 9.98  AGEE102 pKa = 4.06  VQVDD106 pKa = 2.8  NGMYY110 pKa = 9.8  EE111 pKa = 3.85  WFKK114 pKa = 10.65  TLVTNDD120 pKa = 2.64  VDD122 pKa = 4.43  ACKK125 pKa = 10.43  AWLAEE130 pKa = 3.89  QGTKK134 pKa = 10.37  HH135 pKa = 5.28  EE136 pKa = 4.44  WEE138 pKa = 4.16  VVYY141 pKa = 11.12  YY142 pKa = 10.21  DD143 pKa = 3.93  GPEE146 pKa = 3.57  VSYY149 pKa = 11.1  EE150 pKa = 4.36  KK151 pKa = 10.21  IQQDD155 pKa = 4.19  IITMLEE161 pKa = 4.33  GYY163 pKa = 10.82  ADD165 pKa = 3.9  DD166 pKa = 4.08  SEE168 pKa = 6.03  GYY170 pKa = 9.96  GFEE173 pKa = 4.06  EE174 pKa = 4.08  ATVILKK180 pKa = 10.19  RR181 pKa = 11.84  YY182 pKa = 9.21  KK183 pKa = 10.53  EE184 pKa = 4.03  KK185 pKa = 11.36  LNGG188 pKa = 3.49   
 Molecular weight: 21.79 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.868 
IPC2_protein 4.139 
IPC_protein 4.101 
Toseland    3.923 
ProMoST     4.228 
Dawson      4.062 
Bjellqvist  4.215 
Wikipedia   3.961 
Rodwell     3.935 
Grimsley    3.834 
Solomon     4.062 
Lehninger   4.024 
Nozaki      4.177 
DTASelect   4.355 
Thurlkill   3.948 
EMBOSS      3.973 
Sillero     4.215 
Patrickios  1.278 
IPC_peptide 4.062 
IPC2_peptide  4.202 
IPC2.peptide.svr19  4.095 
 Protein with the highest isoelectric point: 
>tr|A0A7G9A0I8|A0A7G9A0I8_9CAUD Uncharacterized protein OS=Microbacterium phage Stormbreaker OX=2759462 GN=54 PE=4 SV=1 
MM1 pKa = 7.66  PLDD4 pKa = 3.31  RR5 pKa = 11.84  HH6 pKa = 5.48  KK7 pKa = 10.88  SIRR10 pKa = 11.84  QALSYY15 pKa = 10.43  VDD17 pKa = 5.64  RR18 pKa = 11.84  YY19 pKa = 10.27  PDD21 pKa = 3.13  WPEE24 pKa = 3.42  TARR27 pKa = 11.84  IDD29 pKa = 3.61  MPIWEE34 pKa = 4.4  LVARR38 pKa = 11.84  NLFDD42 pKa = 4.19  IANHH46 pKa = 6.68  PNTKK50 pKa = 9.78  VRR52 pKa = 11.84  GSLARR57 pKa = 11.84  ATRR60 pKa = 11.84  AQRR63 pKa = 11.84  ILLDD67 pKa = 3.55  RR68 pKa = 11.84  LTGTRR73 pKa = 11.84  RR74 pKa = 11.84  QGTNPAVRR82 pKa = 11.84  NAKK85 pKa = 9.84  SLQLLDD91 pKa = 3.6  LTIGLTEE98 pKa = 4.21  STEE101 pKa = 4.08  GTTDD105 pKa = 2.97  EE106 pKa = 5.2  RR107 pKa = 11.84  SDD109 pKa = 3.71  EE110 pKa = 4.14  RR111 pKa = 11.84  GKK113 pKa = 10.87  APQRR117 pKa = 11.84  EE118 pKa = 4.3  AA119 pKa = 3.72   
 Molecular weight: 13.55 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.173 
IPC2_protein 9.151 
IPC_protein 9.575 
Toseland    10.131 
ProMoST     9.809 
Dawson      10.277 
Bjellqvist  9.955 
Wikipedia   10.467 
Rodwell     10.438 
Grimsley    10.335 
Solomon     10.379 
Lehninger   10.35 
Nozaki      10.087 
DTASelect   9.955 
Thurlkill   10.145 
EMBOSS      10.526 
Sillero     10.204 
Patrickios  10.218 
IPC_peptide 10.379 
IPC2_peptide  8.536 
IPC2.peptide.svr19  8.42 
  
 
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
 
       
     
    
      
        54 
 
        
        0
 
        
        54 
         
        17128
 
        30
 
        4484
 
        317.2
 
        35.18
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        9.575 ± 0.378
0.49 ± 0.151
 
        6.778 ± 0.19
6.574 ± 0.385
 
        3.468 ± 0.141
7.677 ± 0.355
 
        1.617 ± 0.188
4.636 ± 0.194
       
        4.437 ± 0.35
8.337 ± 0.382
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.721 ± 0.128
4.42 ± 0.323
 
        4.723 ± 0.275
4.583 ± 0.191
 
        5.979 ± 0.439
5.938 ± 0.27
 
        6.475 ± 0.381
6.592 ± 0.33
       
        1.716 ± 0.112
3.264 ± 0.152
         
                
     
  
  
  
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