Mariniflexile fucanivorans 
Average proteome isoelectric point is 6.53 
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 3991 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|A0A4R1R972|A0A4R1R972_9FLAO Thiol peroxidase OS=Mariniflexile fucanivorans OX=264023 GN=tpx PE=3 SV=1MM1 pKa = 7.54  NLRR4 pKa = 11.84  KK5 pKa = 9.85  LSLYY9 pKa = 9.92  LLCLTIGIVSCKK21 pKa = 10.04  KK22 pKa = 10.52  DD23 pKa = 3.71  DD24 pKa = 4.61  DD25 pKa = 4.03  PTTVLVEE32 pKa = 3.85  IEE34 pKa = 4.47  DD35 pKa = 4.57  RR36 pKa = 11.84  DD37 pKa = 4.02  VQQLKK42 pKa = 11.21  DD43 pKa = 3.43  MDD45 pKa = 4.64  SLNKK49 pKa = 10.44  YY50 pKa = 10.61  LDD52 pKa = 3.23  THH54 pKa = 6.69  YY55 pKa = 11.37  YY56 pKa = 9.89  NSEE59 pKa = 3.84  EE60 pKa = 4.06  LASLGTNVSISDD72 pKa = 3.53  IVIGEE77 pKa = 4.2  LGEE80 pKa = 4.73  DD81 pKa = 3.57  EE82 pKa = 4.65  TVADD86 pKa = 3.78  IPVGFTLLRR95 pKa = 11.84  TAVGAPKK102 pKa = 8.48  TTTYY106 pKa = 11.57  ADD108 pKa = 3.04  TGYY111 pKa = 10.71  EE112 pKa = 4.18  YY113 pKa = 11.42  YY114 pKa = 10.66  VLKK117 pKa = 10.71  LNQGGGSDD125 pKa = 3.78  SPKK128 pKa = 9.08  FCDD131 pKa = 3.59  RR132 pKa = 11.84  IRR134 pKa = 11.84  FNYY137 pKa = 10.13  EE138 pKa = 3.34  GFTLDD143 pKa = 5.45  DD144 pKa = 3.62  VVFDD148 pKa = 4.19  YY149 pKa = 10.97  SVHH152 pKa = 6.81  PIDD155 pKa = 5.17  SDD157 pKa = 4.1  LVGDD161 pKa = 4.71  GGVTSYY167 pKa = 11.9  GLITGWNKK175 pKa = 9.88  VMPDD179 pKa = 3.41  FNTAEE184 pKa = 4.57  GYY186 pKa = 9.84  IEE188 pKa = 5.03  NGDD191 pKa = 3.68  GTVTYY196 pKa = 10.28  VNKK199 pKa = 10.52  GVGIMFLPSGLAYY212 pKa = 10.45  FSSATTGIVSYY223 pKa = 11.0  SPIIFKK229 pKa = 10.92  FEE231 pKa = 4.2  LLQMSQNDD239 pKa = 3.62  HH240 pKa = 7.36  DD241 pKa = 5.11  GDD243 pKa = 4.25  GVPSYY248 pKa = 11.42  LEE250 pKa = 4.73  DD251 pKa = 3.85  LPNSNGVRR259 pKa = 11.84  DD260 pKa = 3.75  SQFTVNYY267 pKa = 10.25  DD268 pKa = 3.78  DD269 pKa = 5.34  LTDD272 pKa = 3.94  ATDD275 pKa = 4.96  DD276 pKa = 4.03  DD277 pKa = 4.58  TDD279 pKa = 4.57  GDD281 pKa = 4.17  GTPDD285 pKa = 4.8  YY286 pKa = 10.97  IDD288 pKa = 4.15  TDD290 pKa = 4.08  DD291 pKa = 5.43  DD292 pKa = 4.89  GDD294 pKa = 4.44  GISTINEE301 pKa = 4.68  DD302 pKa = 3.78  INNDD306 pKa = 3.47  GDD308 pKa = 4.04  PTNDD312 pKa = 3.51  DD313 pKa = 4.02  SNGNGIPNYY322 pKa = 10.38  LDD324 pKa = 3.03  NTDD327 pKa = 3.98  IIKK330 pKa = 10.62  KK331 pKa = 8.05  VTTT334 pKa = 3.81  
 36.47 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.678 
IPC2_protein 3.668 
IPC_protein 3.719 
Toseland    3.478 
ProMoST     3.897 
Dawson      3.732 
Bjellqvist  3.884 
Wikipedia   3.694 
Rodwell     3.528 
Grimsley    3.376 
Solomon     3.719 
Lehninger   3.681 
Nozaki      3.834 
DTASelect   4.139 
Thurlkill   3.541 
EMBOSS      3.694 
Sillero     3.846 
Patrickios  1.049 
IPC_peptide 3.706 
IPC2_peptide  3.808 
IPC2.peptide.svr19  3.743 
 Protein with the highest isoelectric point: 
>tr|A0A4V2QEQ5|A0A4V2QEQ5_9FLAO TatD DNase family protein OS=Mariniflexile fucanivorans OX=264023 GN=EV196_101374 PE=4 SV=1MM1 pKa = 7.22  KK2 pKa = 10.2  RR3 pKa = 11.84  ISPRR7 pKa = 11.84  MRR9 pKa = 11.84  FRR11 pKa = 11.84  MMNPFLQFFKK21 pKa = 10.91  FIILSIKK28 pKa = 10.26  IMVIVAGGHH37 pKa = 5.35  GGTRR41 pKa = 11.84  KK42 pKa = 10.18  VNN44 pKa = 3.26  
 5.17 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.406 
IPC2_protein 10.877 
IPC_protein 12.442 
Toseland    12.618 
ProMoST     13.1 
Dawson      12.618 
Bjellqvist  12.603 
Wikipedia   13.086 
Rodwell     12.398 
Grimsley    12.661 
Solomon     13.1 
Lehninger   13.013 
Nozaki      12.618 
DTASelect   12.603 
Thurlkill   12.618 
EMBOSS      13.115 
Sillero     12.618 
Patrickios  12.149 
IPC_peptide 13.115 
IPC2_peptide  12.091 
IPC2.peptide.svr19  9.042 
 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
 
     
    
      
        3991 
0
3991 
1414510
30
4036
354.4
39.99
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        6.164 ± 0.038
0.788 ± 0.012
5.579 ± 0.029
6.335 ± 0.038
5.25 ± 0.029
6.303 ± 0.039
1.767 ± 0.02
8.131 ± 0.037
7.981 ± 0.055
9.152 ± 0.044
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.131 ± 0.019
6.743 ± 0.043
3.363 ± 0.022
3.215 ± 0.02
3.093 ± 0.023
6.573 ± 0.033
6.075 ± 0.055
6.106 ± 0.031
1.087 ± 0.014
4.165 ± 0.028
          
     
  
  
  
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