Chara braunii (Braun s stonewort) 
Average proteome isoelectric point is 6.44 
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 35576 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|A0A388KE62|A0A388KE62_CHABU Uncharacterized protein OS=Chara braunii OX=69332 GN=CBR_g2889 PE=4 SV=1LL1 pKa = 6.03  MRR3 pKa = 11.84  HH4 pKa = 5.38  YY5 pKa = 10.85  YY6 pKa = 10.28  EE7 pKa = 4.55  EE8 pKa = 4.99  LEE10 pKa = 4.29  EE11 pKa = 4.7  GQDD14 pKa = 3.32  LCAALEE20 pKa = 3.85  DD21 pKa = 4.04  RR22 pKa = 11.84  YY23 pKa = 11.22  YY24 pKa = 11.49  DD25 pKa = 3.62  NGDD28 pKa = 4.27  NITDD32 pKa = 3.78  DD33 pKa = 4.19  ANNNNSIANDD43 pKa = 4.25  AIKK46 pKa = 10.08  TNSCDD51 pKa = 3.82  NNNLNYY57 pKa = 10.04  IADD60 pKa = 3.87  NHH62 pKa = 5.56  NHH64 pKa = 5.69  NNNNNNYY71 pKa = 9.98  NNNKK75 pKa = 8.37  TNNNNDD81 pKa = 3.98  DD82 pKa = 4.77  NNDD85 pKa = 3.58  CTDD88 pKa = 3.46  NDD90 pKa = 4.71  DD91 pKa = 5.91  DD92 pKa = 5.02  NDD94 pKa = 3.99  HH95 pKa = 7.39  PEE97 pKa = 5.22  DD98 pKa = 4.53  GDD100 pKa = 3.72  NALIEE105 pKa = 5.17  AINNNNNNFSDD116 pKa = 4.28  GDD118 pKa = 3.87  NNNNNNNNDD127 pKa = 3.49  NGNNCDD133 pKa = 4.83  LRR135 pKa = 11.84  EE136 pKa = 4.43  DD137 pKa = 3.77  DD138 pKa = 3.76  TNVRR142 pKa = 11.84  IEE144 pKa = 4.22  VIQVVNTNDD153 pKa = 3.84  DD154 pKa = 3.99  DD155 pKa = 4.97  NISYY159 pKa = 10.8  EE160 pKa = 4.46  DD161 pKa = 3.74  NNNTNSDD168 pKa = 3.6  GSDD171 pKa = 3.01  HH172 pKa = 6.94  LFAGDD177 pKa = 3.36  MLAFSRR183 pKa = 11.84  MHH185 pKa = 6.45  LLIGGGRR192 pKa = 11.84  PLWEE196 pKa = 5.0  GIFLRR201 pKa = 11.84  MLMSIWRR208 pKa = 11.84  CSYY211 pKa = 10.37  GRR213 pKa = 11.84  YY214 pKa = 8.09  TIASLPWDD222 pKa = 3.95  PGGRR226 pKa = 11.84  VAGG229 pKa = 4.06  
 25.87 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.681 
IPC2_protein 3.795 
IPC_protein 3.834 
Toseland    3.592 
ProMoST     4.012 
Dawson      3.834 
Bjellqvist  3.986 
Wikipedia   3.795 
Rodwell     3.656 
Grimsley    3.503 
Solomon     3.834 
Lehninger   3.795 
Nozaki      3.948 
DTASelect   4.24 
Thurlkill   3.656 
EMBOSS      3.808 
Sillero     3.961 
Patrickios  1.252 
IPC_peptide 3.821 
IPC2_peptide  3.935 
IPC2.peptide.svr19  3.839 
 Protein with the highest isoelectric point: 
>tr|A0A388LMT7|A0A388LMT7_CHABU Uncharacterized protein OS=Chara braunii OX=69332 GN=CBR_g37458 PE=4 SV=1MM1 pKa = 7.2  HH2 pKa = 7.4  AAASAAAAAPAAAAAALAAAAAAGPAAAAAAAAGPAAAAGAAAGPAAAAAAAAAAASPRR61 pKa = 11.84  PAAAAGAPRR70 pKa = 11.84  PAAATRR76 pKa = 11.84  HH77 pKa = 5.14  PHH79 pKa = 6.2  APPAGGARR87 pKa = 11.84  AAAPPAAAARR97 pKa = 11.84  AAVPLAAAARR107 pKa = 11.84  AAAPPAAGPPAAAPRR122 pKa = 11.84  AAAPRR127 pKa = 11.84  AAVRR131 pKa = 11.84  AVAPPAAPRR140 pKa = 11.84  AAARR144 pKa = 11.84  AAVAPAASAPAARR157 pKa = 11.84  AAAAPAAAAPAGRR170 pKa = 11.84  AAAAPAAAAASAAPAAAAAAAPTAAAPAATARR202 pKa = 11.84  AAASPAAAAPRR213 pKa = 11.84  APPPPPHH220 pKa = 6.48  HH221 pKa = 6.63  HH222 pKa = 6.02  HH223 pKa = 6.5  HH224 pKa = 5.48  VVPRR228 pKa = 11.84  VIGPVAGPEE237 pKa = 3.99  HH238 pKa = 7.69  SVMQSGGG245 pKa = 3.31  
 21.09 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.484 
IPC2_protein 11.067 
IPC_protein 12.691 
Toseland    12.852 
ProMoST     13.349 
Dawson      12.852 
Bjellqvist  12.852 
Wikipedia   13.32 
Rodwell     12.34 
Grimsley    12.881 
Solomon     13.349 
Lehninger   13.247 
Nozaki      12.852 
DTASelect   12.852 
Thurlkill   12.852 
EMBOSS      13.349 
Sillero     12.852 
Patrickios  12.076 
IPC_peptide 13.349 
IPC2_peptide  12.34 
IPC2.peptide.svr19  9.167 
 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
 
     
    
      
        34644 
932 
35576 
23446944
10
8938
659.1
72.98
          
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
 
     
    
                 
        8.467 ± 0.013
1.595 ± 0.005
6.145 ± 0.012
8.045 ± 0.025
2.984 ± 0.007
8.263 ± 0.021
2.39 ± 0.007
3.704 ± 0.008
5.13 ± 0.013
8.0 ± 0.013
          
     
  
  
  
      
          
        Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
 
     
    
                 
        2.408 ± 0.005
2.81 ± 0.007
5.305 ± 0.012
4.061 ± 0.01
7.726 ± 0.011
7.209 ± 0.014
5.238 ± 0.009
6.792 ± 0.018
1.477 ± 0.004
2.163 ± 0.007
          
     
  
  
  
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