Oscillatoria acuminata PCC 6304 
Average proteome isoelectric point is 5.89 
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 5755 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|K9TMM7|K9TMM7_9CYAN Site-specific DNA-methyltransferase (adenine-specific) OS=Oscillatoria acuminata PCC 6304 OX=56110 GN=Oscil6304_4139 PE=3 SV=1MM1 pKa = 7.18  TVFIALNDD9 pKa = 3.72  NNTLVAFNANNPTQTSSVGVTGIEE33 pKa = 4.2  GTLLGIDD40 pKa = 3.44  TRR42 pKa = 11.84  PANGLIYY49 pKa = 10.53  GITTTNNIYY58 pKa = 10.77  SIDD61 pKa = 3.88  PQSLGFTIDD70 pKa = 3.98  ANGALNNTMTPATVSATLVSTLSQPFEE97 pKa = 4.45  GGTVSGVDD105 pKa = 3.99  FNPVPDD111 pKa = 3.71  RR112 pKa = 11.84  LRR114 pKa = 11.84  LVGEE118 pKa = 3.9  NNQNFRR124 pKa = 11.84  INVDD128 pKa = 3.17  TGAVIVDD135 pKa = 3.86  GTLAFAADD143 pKa = 4.23  DD144 pKa = 4.15  PNGAVNPTISASGYY158 pKa = 7.43  TNSFAGTTSTQLYY171 pKa = 10.76  NIDD174 pKa = 3.72  TQLNTLLLQNPPNDD188 pKa = 3.77  GTLVTIGNLGVDD200 pKa = 4.69  FGNLAGFDD208 pKa = 3.52  IVSGGMAGEE217 pKa = 3.99  NAAFAVANSMLYY229 pKa = 10.63  SIDD232 pKa = 3.59  LTNGQASSLGMIGGNTGLNVQGLATVPTSTFRR264 pKa = 11.84  DD265 pKa = 4.01  TITGEE270 pKa = 4.36  TEE272 pKa = 3.93  FNPAQYY278 pKa = 10.38  LASHH282 pKa = 7.79  PDD284 pKa = 3.92  LIAAFGYY291 pKa = 10.39  NLAAAAQHH299 pKa = 6.07  YY300 pKa = 10.93  DD301 pKa = 3.37  MFGMAEE307 pKa = 3.86  NRR309 pKa = 11.84  ALDD312 pKa = 3.49  TFDD315 pKa = 3.25  EE316 pKa = 4.27  VRR318 pKa = 11.84  YY319 pKa = 8.76  LASYY323 pKa = 10.75  ADD325 pKa = 5.24  LIQVIGFNPEE335 pKa = 3.28  LATEE339 pKa = 4.17  HH340 pKa = 6.18  FVVFGADD347 pKa = 3.1  EE348 pKa = 4.33  GRR350 pKa = 11.84  VTNLFNPVNYY360 pKa = 10.28  LNTYY364 pKa = 10.04  ADD366 pKa = 3.39  LRR368 pKa = 11.84  AAFGNDD374 pKa = 2.71  LMAATQHH381 pKa = 5.94  YY382 pKa = 8.65  IQNGFDD388 pKa = 3.38  EE389 pKa = 4.95  GRR391 pKa = 11.84  VFF393 pKa = 4.87  
 41.42 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.71 
IPC2_protein 3.795 
IPC_protein 3.808 
Toseland    3.592 
ProMoST     3.986 
Dawson      3.808 
Bjellqvist  3.961 
Wikipedia   3.757 
Rodwell     3.63 
Grimsley    3.49 
Solomon     3.808 
Lehninger   3.757 
Nozaki      3.923 
DTASelect   4.19 
Thurlkill   3.643 
EMBOSS      3.77 
Sillero     3.935 
Patrickios  0.871 
IPC_peptide 3.795 
IPC2_peptide  3.91 
IPC2.peptide.svr19  3.818 
 Protein with the highest isoelectric point: 
>tr|K9TGF8|K9TGF8_9CYAN Quinolinate phosphoribosyltransferase [decarboxylating] OS=Oscillatoria acuminata PCC 6304 OX=56110 GN=Oscil6304_1800 PE=3 SV=1MM1 pKa = 6.63  TQRR4 pKa = 11.84  TLHH7 pKa = 4.82  GTSRR11 pKa = 11.84  KK12 pKa = 8.94  RR13 pKa = 11.84  KK14 pKa = 7.72  RR15 pKa = 11.84  VSGFRR20 pKa = 11.84  VRR22 pKa = 11.84  MRR24 pKa = 11.84  TANGRR29 pKa = 11.84  RR30 pKa = 11.84  VIKK33 pKa = 10.2  SRR35 pKa = 11.84  RR36 pKa = 11.84  NKK38 pKa = 9.36  GRR40 pKa = 11.84  YY41 pKa = 8.64  RR42 pKa = 11.84  LAVV45 pKa = 3.33  
 5.4 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.463 
IPC2_protein 11.184 
IPC_protein 12.588 
Toseland    12.749 
ProMoST     13.247 
Dawson      12.749 
Bjellqvist  12.749 
Wikipedia   13.217 
Rodwell     12.384 
Grimsley    12.793 
Solomon     13.247 
Lehninger   13.144 
Nozaki      12.749 
DTASelect   12.749 
Thurlkill   12.749 
EMBOSS      13.247 
Sillero     12.749 
Patrickios  12.106 
IPC_peptide 13.247 
IPC2_peptide  12.237 
IPC2.peptide.svr19  9.106 
 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
 
     
    
      
        5755 
0
5755 
2048953
23
3704
356.0
39.59
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        8.1 ± 0.032
0.97 ± 0.011
5.022 ± 0.03
6.881 ± 0.037
3.801 ± 0.02
7.114 ± 0.049
1.818 ± 0.015
6.373 ± 0.027
3.976 ± 0.033
11.058 ± 0.038
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        1.896 ± 0.017
4.075 ± 0.029
5.295 ± 0.031
5.471 ± 0.033
5.441 ± 0.036
6.396 ± 0.024
5.719 ± 0.039
6.272 ± 0.026
1.467 ± 0.013
2.856 ± 0.019
          
     
  
  
  
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