Methanobacterium congolense 
Average proteome isoelectric point is 6.11 
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 2340 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|A0A1D3L4I2|A0A1D3L4I2_9EURY Uncharacterized protein OS=Methanobacterium congolense OX=118062 GN=MCBB_1831 PE=4 SV=1MM1 pKa = 6.73  YY2 pKa = 9.63  RR3 pKa = 11.84  KK4 pKa = 9.35  HH5 pKa = 6.49  RR6 pKa = 11.84  RR7 pKa = 11.84  PAFLLLTVFFVICAAGAAAAQEE29 pKa = 4.11  AVDD32 pKa = 4.0  VNITKK37 pKa = 8.07  TAPDD41 pKa = 3.58  TVVAGDD47 pKa = 3.86  NITYY51 pKa = 10.5  NITVTNTNPDD61 pKa = 3.24  EE62 pKa = 4.54  DD63 pKa = 4.15  AQAVTLVDD71 pKa = 4.12  DD72 pKa = 4.14  VTGKK76 pKa = 10.67  LVDD79 pKa = 3.68  PQYY82 pKa = 11.62  SVDD85 pKa = 4.05  GVDD88 pKa = 2.89  KK89 pKa = 11.14  GSWNGTHH96 pKa = 6.33  IWDD99 pKa = 3.91  VLPAQTSVLVKK110 pKa = 9.93  IWGQVNPSQPAGPWLYY126 pKa = 11.32  NDD128 pKa = 3.5  ATVFSANDD136 pKa = 3.64  PNQDD140 pKa = 2.75  NNYY143 pKa = 8.51  AHH145 pKa = 6.83  TWTLVSTAADD155 pKa = 3.7  LNITKK160 pKa = 7.98  TAPDD164 pKa = 3.5  TVVAGNNITYY174 pKa = 10.25  DD175 pKa = 2.93  IVVANNGPSDD185 pKa = 3.76  AQAVTLVDD193 pKa = 4.12  DD194 pKa = 4.18  VTGKK198 pKa = 10.76  LINPQFSIDD207 pKa = 3.75  GVNMGSWGGAYY218 pKa = 9.95  GGSYY222 pKa = 9.92  VWDD225 pKa = 3.4  VLAAQTSVLVKK236 pKa = 9.93  IWGQVNPSQPAGPWLYY252 pKa = 11.32  NDD254 pKa = 3.35  ATVFSVTDD262 pKa = 3.92  PNQDD266 pKa = 2.62  NNYY269 pKa = 8.42  AHH271 pKa = 6.71  TWTWVYY277 pKa = 10.15  TLADD281 pKa = 3.59  VYY283 pKa = 9.96  VQKK286 pKa = 9.45  TAPANVTAGEE296 pKa = 4.33  NITYY300 pKa = 10.44  NIVVGNNGPSDD311 pKa = 3.83  AQNVTVTDD319 pKa = 4.18  TLDD322 pKa = 3.16  SWLSGATYY330 pKa = 9.88  TLDD333 pKa = 3.76  GADD336 pKa = 3.37  MGSWTGSLSLGTLAPGKK353 pKa = 9.96  YY354 pKa = 6.57  VTIIITGLVNATAPAGSLIGNTVSAITDD382 pKa = 3.47  TSDD385 pKa = 3.35  PFMDD389 pKa = 4.05  NNTASTVTGVVTATSGGEE407 pKa = 4.19  GVLPPISGGEE417 pKa = 3.95  AVTEE421 pKa = 4.21  EE422 pKa = 4.37  PLSGGEE428 pKa = 3.94  AVSAEE433 pKa = 4.62  TIPMEE438 pKa = 4.5  TTGSPVTLLVMALLVLLASLSGIRR462 pKa = 11.84  RR463 pKa = 11.84  SS464 pKa = 3.4  
 48.51 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.72 
IPC2_protein 3.821 
IPC_protein 3.859 
Toseland    3.63 
ProMoST     4.037 
Dawson      3.872 
Bjellqvist  4.024 
Wikipedia   3.834 
Rodwell     3.681 
Grimsley    3.528 
Solomon     3.859 
Lehninger   3.821 
Nozaki      3.986 
DTASelect   4.279 
Thurlkill   3.681 
EMBOSS      3.834 
Sillero     3.986 
Patrickios  1.926 
IPC_peptide 3.859 
IPC2_peptide  3.961 
IPC2.peptide.svr19  3.889 
 Protein with the highest isoelectric point: 
>tr|A0A1D3L3Z8|A0A1D3L3Z8_9EURY Biopolymer transport protein OS=Methanobacterium congolense OX=118062 GN=MCBB_1823 PE=3 SV=1MM1 pKa = 7.51  SRR3 pKa = 11.84  NKK5 pKa = 9.92  PLAKK9 pKa = 10.08  KK10 pKa = 10.28  LRR12 pKa = 11.84  LAKK15 pKa = 10.27  AGKK18 pKa = 7.75  QNRR21 pKa = 11.84  RR22 pKa = 11.84  VPLWVMLKK30 pKa = 9.19  TSRR33 pKa = 11.84  KK34 pKa = 8.41  VRR36 pKa = 11.84  AHH38 pKa = 6.02  PKK40 pKa = 7.21  MRR42 pKa = 11.84  QWRR45 pKa = 11.84  RR46 pKa = 11.84  SKK48 pKa = 11.06  VKK50 pKa = 10.52  AA51 pKa = 3.54  
 6.12 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.506 
IPC2_protein 11.184 
IPC_protein 12.749 
Toseland    12.925 
ProMoST     13.408 
Dawson      12.925 
Bjellqvist  12.91 
Wikipedia   13.393 
Rodwell     12.749 
Grimsley    12.954 
Solomon     13.408 
Lehninger   13.305 
Nozaki      12.925 
DTASelect   12.91 
Thurlkill   12.925 
EMBOSS      13.422 
Sillero     12.925 
Patrickios  12.486 
IPC_peptide 13.408 
IPC2_peptide  12.398 
IPC2.peptide.svr19  9.103 
 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
 
     
    
      
        2340 
0
2340 
662468
29
2816
283.1
31.6
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        6.491 ± 0.059
1.197 ± 0.029
5.653 ± 0.045
7.501 ± 0.084
4.181 ± 0.047
7.234 ± 0.052
1.754 ± 0.023
8.057 ± 0.058
7.422 ± 0.068
9.145 ± 0.064
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.928 ± 0.025
4.756 ± 0.063
3.747 ± 0.034
2.339 ± 0.023
3.949 ± 0.039
6.309 ± 0.047
5.414 ± 0.076
7.557 ± 0.049
0.873 ± 0.019
3.495 ± 0.038
          
     
  
  
  
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