Pseudanabaena sp. PCC 7367 
Average proteome isoelectric point is 6.05 
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 3824 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|K9SIH3|K9SIH3_9CYAN Putative cyanate ABC transporter  substrate binding protein OS=Pseudanabaena sp. PCC 7367 OX=82654 GN=Pse7367_1717 PE=4 SV=1MM1 pKa = 7.37  SGSHH5 pKa = 6.33  NPLEE9 pKa = 4.3  AHH11 pKa = 7.28  PSPTQAHH18 pKa = 6.49  AFSPIPANTSVTNGSTSQVPNLAASQGAVDD48 pKa = 4.02  FAFVQRR54 pKa = 11.84  QGDD57 pKa = 3.51  AYY59 pKa = 10.62  YY60 pKa = 10.24  PNNTGFFVGGDD71 pKa = 2.89  IYY73 pKa = 11.11  TPLVNDD79 pKa = 3.85  VSTGGALGFLDD90 pKa = 5.87  FYY92 pKa = 11.15  VLPRR96 pKa = 11.84  DD97 pKa = 3.53  AVPQHH102 pKa = 4.94  THH104 pKa = 4.2  AHH106 pKa = 4.94  EE107 pKa = 5.01  AEE109 pKa = 3.91  AKK111 pKa = 9.14  YY112 pKa = 10.77  VLEE115 pKa = 4.49  GEE117 pKa = 4.74  VNFDD121 pKa = 4.53  LGPAQIRR128 pKa = 11.84  VPTGSFIYY136 pKa = 10.48  YY137 pKa = 9.8  PIGRR141 pKa = 11.84  QMGFTATDD149 pKa = 3.18  QSARR153 pKa = 11.84  ISVITTPGAPYY164 pKa = 10.76  YY165 pKa = 9.81  EE166 pKa = 4.38  FAGVAVVDD174 pKa = 4.03  EE175 pKa = 4.69  QGNNTPPPQADD186 pKa = 2.84  IGAIAAQLDD195 pKa = 4.08  FGVVGQIIDD204 pKa = 3.88  TYY206 pKa = 11.05  GGGAFIPGVDD216 pKa = 3.39  SAFQAGLQSPLLVVPDD232 pKa = 4.95  LDD234 pKa = 6.2  LIDD237 pKa = 4.43  PAQLEE242 pKa = 4.31  AVRR245 pKa = 11.84  NVPGLNLQIFEE256 pKa = 3.96  ISDD259 pKa = 3.24  RR260 pKa = 11.84  RR261 pKa = 11.84  KK262 pKa = 9.68  FDD264 pKa = 3.88  GLFGTQNTSLIDD276 pKa = 3.8  FEE278 pKa = 5.04  EE279 pKa = 5.29  SDD281 pKa = 4.01  GNFAYY286 pKa = 10.63  SQFNLARR293 pKa = 11.84  DD294 pKa = 4.07  DD295 pKa = 3.7  RR296 pKa = 11.84  HH297 pKa = 6.65  SSNFLQAVINSDD309 pKa = 4.03  QIVTTDD315 pKa = 3.28  GVGVDD320 pKa = 3.86  SGAFAYY326 pKa = 10.21  ARR328 pKa = 11.84  LHH330 pKa = 6.36  AEE332 pKa = 3.85  PNGTITYY339 pKa = 8.05  EE340 pKa = 3.69  ITINGLDD347 pKa = 3.2  AGAYY351 pKa = 10.13  LGDD354 pKa = 4.0  GTPFTPDD361 pKa = 3.42  PGDD364 pKa = 4.1  DD365 pKa = 3.11  LTAIHH370 pKa = 6.97  LHH372 pKa = 4.67  TAFRR376 pKa = 11.84  GEE378 pKa = 4.27  NGTHH382 pKa = 7.06  AFNILGPGDD391 pKa = 4.31  DD392 pKa = 4.89  ADD394 pKa = 4.11  LTVHH398 pKa = 6.43  GNADD402 pKa = 3.47  GSVTFSGVWDD412 pKa = 4.82  DD413 pKa = 5.6  SDD415 pKa = 3.85  TTTDD419 pKa = 3.55  TLPPPMSTKK428 pKa = 10.01  PVSNFLPTLSNAAVGEE444 pKa = 4.12  DD445 pKa = 2.78  VGLYY449 pKa = 10.65  VNIHH453 pKa = 5.6  SNRR456 pKa = 11.84  NSSGEE461 pKa = 3.48  IRR463 pKa = 11.84  GQVVGTTDD471 pKa = 3.98  AFPASQVADD480 pKa = 3.35  NHH482 pKa = 5.71  LTFLVQEE489 pKa = 4.64  GEE491 pKa = 4.28  VAFQVNGNPFVAGVDD506 pKa = 3.5  DD507 pKa = 4.23  AVYY510 pKa = 10.16  IAAGQNYY517 pKa = 10.22  SIANLGNQNAVGLAAAVVDD536 pKa = 4.24  SYY538 pKa = 11.68  VPKK541 pKa = 10.33  IGEE544 pKa = 4.29  YY545 pKa = 10.28  YY546 pKa = 10.58  DD547 pKa = 4.07  GNIDD551 pKa = 3.54  FTASIRR557 pKa = 11.84  TGDD560 pKa = 3.66  EE561 pKa = 4.45  FIQGNVVTTVPQAIGNGWIYY581 pKa = 9.81  TWGAFGTDD589 pKa = 3.2  DD590 pKa = 4.61  FGNEE594 pKa = 3.88  VPTSIGVTFTEE605 pKa = 4.96  EE606 pKa = 3.68  ALQDD610 pKa = 3.73  AFVVDD615 pKa = 4.41  DD616 pKa = 4.95  PNNEE620 pKa = 4.02  FPSSVPHH627 pKa = 6.48  LAFPEE632 pKa = 3.89  IFEE635 pKa = 4.12  AARR638 pKa = 11.84  VYY640 pKa = 11.05  NILFPEE646 pKa = 4.87  KK647 pKa = 9.92  VQQSTPFNHH656 pKa = 6.22  MGFYY660 pKa = 10.85  ANSEE664 pKa = 3.81  GHH666 pKa = 6.99  APLDD670 pKa = 4.1  IYY672 pKa = 10.93  DD673 pKa = 4.46  LPHH676 pKa = 6.7  FDD678 pKa = 3.22  VHH680 pKa = 6.72  FFLDD684 pKa = 4.28  TIEE687 pKa = 4.16  EE688 pKa = 4.15  RR689 pKa = 11.84  DD690 pKa = 4.41  LITGLPEE697 pKa = 5.02  DD698 pKa = 3.99  NANLFNLPEE707 pKa = 4.92  PGFLPANYY715 pKa = 9.09  IAPTIPGTDD724 pKa = 3.04  IPATGDD730 pKa = 3.4  ALQGIHH736 pKa = 5.39  WVAGEE741 pKa = 4.01  TPEE744 pKa = 4.49  FNGEE748 pKa = 4.03  VFDD751 pKa = 3.6  QTFIFGSYY759 pKa = 10.27  AGDD762 pKa = 3.53  VNFWEE767 pKa = 4.27  PMITRR772 pKa = 11.84  DD773 pKa = 3.77  FLEE776 pKa = 4.5  SLSSARR782 pKa = 11.84  QVITEE787 pKa = 3.9  TTYY790 pKa = 11.27  NIDD793 pKa = 2.98  QPTRR797 pKa = 11.84  FKK799 pKa = 11.0  EE800 pKa = 3.81  AGFYY804 pKa = 9.52  PLEE807 pKa = 4.08  YY808 pKa = 10.23  GISYY812 pKa = 9.27  NANHH816 pKa = 7.04  GEE818 pKa = 4.21  YY819 pKa = 10.0  TVTLDD824 pKa = 3.28  NFVIRR829 pKa = 11.84  SADD832 pKa = 3.34  GDD834 pKa = 3.78  LSGFPGFDD842 pKa = 3.3  GPPPFF847 pKa = 5.45  
 90.84 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.736 
IPC2_protein 3.923 
IPC_protein 3.948 
Toseland    3.732 
ProMoST     4.101 
Dawson      3.935 
Bjellqvist  4.088 
Wikipedia   3.859 
Rodwell     3.77 
Grimsley    3.643 
Solomon     3.935 
Lehninger   3.897 
Nozaki      4.05 
DTASelect   4.291 
Thurlkill   3.77 
EMBOSS      3.872 
Sillero     4.075 
Patrickios  1.202 
IPC_peptide 3.935 
IPC2_peptide  4.05 
IPC2.peptide.svr19  3.953 
 Protein with the highest isoelectric point: 
>tr|K9SKN6|K9SKN6_9CYAN Uncharacterized protein OS=Pseudanabaena sp. PCC 7367 OX=82654 GN=Pse7367_2081 PE=4 SV=1MM1 pKa = 7.54  APKK4 pKa = 10.19  DD5 pKa = 3.57  YY6 pKa = 10.34  RR7 pKa = 11.84  RR8 pKa = 11.84  CISCRR13 pKa = 11.84  RR14 pKa = 11.84  LDD16 pKa = 3.77  HH17 pKa = 7.25  RR18 pKa = 11.84  DD19 pKa = 3.21  HH20 pKa = 6.82  FWRR23 pKa = 11.84  VVRR26 pKa = 11.84  SRR28 pKa = 11.84  DD29 pKa = 3.24  SSGQISVQLDD39 pKa = 3.08  QGMGRR44 pKa = 11.84  SAYY47 pKa = 8.73  ICRR50 pKa = 11.84  NADD53 pKa = 3.75  CLKK56 pKa = 10.39  QAQKK60 pKa = 10.82  KK61 pKa = 9.0  NRR63 pKa = 11.84  LARR66 pKa = 11.84  VLRR69 pKa = 11.84  APVEE73 pKa = 3.74  PTIYY77 pKa = 10.39  EE78 pKa = 3.99  RR79 pKa = 11.84  LQARR83 pKa = 11.84  LVAEE87 pKa = 4.01  QAKK90 pKa = 10.38  
 10.54 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.356 
IPC2_protein 9.56 
IPC_protein 10.379 
Toseland    10.555 
ProMoST     10.365 
Dawson      10.672 
Bjellqvist  10.409 
Wikipedia   10.891 
Rodwell     10.818 
Grimsley    10.73 
Solomon     10.789 
Lehninger   10.76 
Nozaki      10.584 
DTASelect   10.394 
Thurlkill   10.57 
EMBOSS      10.965 
Sillero     10.613 
Patrickios  10.57 
IPC_peptide 10.789 
IPC2_peptide  9.706 
IPC2.peptide.svr19  8.539 
 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
 
     
    
      
        3824 
0
3824 
1251467
29
4259
327.3
36.24
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        9.329 ± 0.036
0.919 ± 0.016
5.767 ± 0.043
6.007 ± 0.038
3.76 ± 0.026
6.697 ± 0.044
1.836 ± 0.021
6.758 ± 0.026
4.337 ± 0.038
10.514 ± 0.047
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.032 ± 0.02
4.424 ± 0.035
4.771 ± 0.029
5.312 ± 0.038
5.171 ± 0.032
6.398 ± 0.032
5.372 ± 0.04
6.403 ± 0.032
1.305 ± 0.017
2.887 ± 0.022
          
     
  
  
  
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