Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) 
Average proteome isoelectric point is 6.58 
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 4406 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|Q7NK40|Q7NK40_GLOVI Gll1640 protein OS=Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) OX=251221 GN=gll1640 PE=4 SV=1MM1 pKa = 7.21  EE2 pKa = 5.26  EE3 pKa = 5.22  KK4 pKa = 10.95  YY5 pKa = 10.65  FLQNEE10 pKa = 4.41  SDD12 pKa = 3.75  GSGDD16 pKa = 3.04  ATYY19 pKa = 10.46  IGTLGEE25 pKa = 4.22  EE26 pKa = 4.75  GAQVNAFSQNGEE38 pKa = 3.85  YY39 pKa = 10.41  SYY41 pKa = 11.85  GSDD44 pKa = 3.58  GNQNVLWDD52 pKa = 3.86  QDD54 pKa = 3.07  SDD56 pKa = 4.48  YY57 pKa = 11.7  YY58 pKa = 11.29  SVQNLYY64 pKa = 10.82  ASEE67 pKa = 4.97  DD68 pKa = 3.85  GSSLDD73 pKa = 4.04  SGTGSTNFGNFEE85 pKa = 4.17  NAWISGSASLSDD97 pKa = 3.61  NEE99 pKa = 4.66  QDD101 pKa = 3.1  IDD103 pKa = 4.2  TNSDD107 pKa = 3.47  VYY109 pKa = 11.51  DD110 pKa = 4.65  SIAQGVSGLDD120 pKa = 3.33  FDD122 pKa = 5.61  FDD124 pKa = 4.21  SFSDD128 pKa = 3.56  ANGTVFATNADD139 pKa = 4.26  SPNSNYY145 pKa = 10.04  PGADD149 pKa = 2.64  TYY151 pKa = 11.89  GAMNDD156 pKa = 3.31  DD157 pKa = 5.15  GYY159 pKa = 11.61  RR160 pKa = 11.84  LLPGASAVTDD170 pKa = 3.46  SAIPQFEE177 pKa = 4.09  QAATDD182 pKa = 3.33  QDD184 pKa = 4.15  LPLAADD190 pKa = 3.62  EE191 pKa = 4.79  LLVVDD196 pKa = 4.78  AQIEE200 pKa = 4.42  VEE202 pKa = 4.01  NDD204 pKa = 2.32  IHH206 pKa = 7.41  ALLVSSGEE214 pKa = 3.9  QASIAFSLPQGANADD229 pKa = 3.83  FMNDD233 pKa = 3.19  SSVMAIAKK241 pKa = 9.02  WDD243 pKa = 3.76  EE244 pKa = 4.29  LGGSSNGQTDD254 pKa = 2.87  SWNADD259 pKa = 3.74  EE260 pKa = 5.47  LNVIAGKK267 pKa = 10.49  LPAGPNGYY275 pKa = 9.13  PDD277 pKa = 5.51  DD278 pKa = 3.89  KK279 pKa = 10.7  TCRR282 pKa = 11.84  LLHH285 pKa = 6.12  EE286 pKa = 5.41  LEE288 pKa = 4.2  QKK290 pKa = 11.06  YY291 pKa = 10.5  PDD293 pKa = 3.63  TPQQKK298 pKa = 9.2  RR299 pKa = 11.84  RR300 pKa = 11.84  EE301 pKa = 4.07  EE302 pKa = 4.02  EE303 pKa = 3.78  RR304 pKa = 11.84  RR305 pKa = 11.84  SMEE308 pKa = 3.88  QITYY312 pKa = 9.34  PGAGGMLGTIVGSGLTGAAAGSAAGSLGFGIGGLVGGAIGGLAGTIAGEE361 pKa = 4.01  QASQDD366 pKa = 3.91  KK367 pKa = 10.83  VWVEE371 pKa = 3.9  DD372 pKa = 3.98  AYY374 pKa = 10.21  KK375 pKa = 10.35  HH376 pKa = 6.48  CEE378 pKa = 4.06  EE379 pKa = 5.23  QGTQAPWTRR388 pKa = 11.84  PEE390 pKa = 3.89  PPRR393 pKa = 5.45  
 41.38 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.739 
IPC2_protein 3.668 
IPC_protein 3.694 
Toseland    3.478 
ProMoST     3.846 
Dawson      3.681 
Bjellqvist  3.834 
Wikipedia   3.605 
Rodwell     3.516 
Grimsley    3.376 
Solomon     3.681 
Lehninger   3.63 
Nozaki      3.795 
DTASelect   4.024 
Thurlkill   3.516 
EMBOSS      3.617 
Sillero     3.808 
Patrickios  1.837 
IPC_peptide 3.668 
IPC2_peptide  3.795 
IPC2.peptide.svr19  3.763 
 Protein with the highest isoelectric point: 
>tr|Q7NKK7|Q7NKK7_GLOVI Gll1470 protein OS=Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) OX=251221 GN=gll1470 PE=4 SV=1MM1 pKa = 7.39  KK2 pKa = 8.95  RR3 pKa = 11.84  TLGGTTRR10 pKa = 11.84  KK11 pKa = 9.29  RR12 pKa = 11.84  QKK14 pKa = 9.42  TSGFRR19 pKa = 11.84  ARR21 pKa = 11.84  MRR23 pKa = 11.84  TASGRR28 pKa = 11.84  RR29 pKa = 11.84  VLSARR34 pKa = 11.84  RR35 pKa = 11.84  RR36 pKa = 11.84  RR37 pKa = 11.84  GRR39 pKa = 11.84  HH40 pKa = 4.58  RR41 pKa = 11.84  LAVV44 pKa = 3.46  
 5.14 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.526 
IPC2_protein 11.345 
IPC_protein 12.954 
Toseland    13.115 
ProMoST     13.612 
Dawson      13.115 
Bjellqvist  13.115 
Wikipedia   13.598 
Rodwell     12.705 
Grimsley    13.159 
Solomon     13.612 
Lehninger   13.51 
Nozaki      13.115 
DTASelect   13.115 
Thurlkill   13.115 
EMBOSS      13.612 
Sillero     13.115 
Patrickios  12.427 
IPC_peptide 13.612 
IPC2_peptide  12.603 
IPC2.peptide.svr19  9.265 
 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
 
     
    
      
        4406 
0
4406 
1377677
28
3277
312.7
34.24
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        11.172 ± 0.046
1.024 ± 0.015
4.941 ± 0.029
6.146 ± 0.047
3.734 ± 0.025
8.331 ± 0.04
1.87 ± 0.018
4.433 ± 0.027
2.889 ± 0.033
11.419 ± 0.058
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        1.733 ± 0.015
2.71 ± 0.029
5.654 ± 0.04
4.182 ± 0.028
7.41 ± 0.044
5.485 ± 0.028
5.178 ± 0.028
7.548 ± 0.031
1.503 ± 0.019
2.638 ± 0.024
          
     
  
  
  
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