Rabbit fibroma virus (strain Kasza) (RFV) (Shope fibroma virus (strain Kasza)) 
Average proteome isoelectric point is 6.92 
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 153 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: 
>sp|Q9Q909|VH21_RFVKA Probable host range protein 2-1 OS=Rabbit fibroma virus (strain Kasza) OX=10272 GN=s062R PE=3 SV=1 
MM1 pKa = 7.69  GITHH5 pKa = 7.08  EE6 pKa = 4.01  FHH8 pKa = 7.08  IFLVDD13 pKa = 3.56  EE14 pKa = 4.35  NVSLKK19 pKa = 10.63  SVSLLKK25 pKa = 10.63  GDD27 pKa = 4.18  SYY29 pKa = 11.86  GCNIHH34 pKa = 6.95  LKK36 pKa = 10.47  NSEE39 pKa = 4.07  CKK41 pKa = 10.2  YY42 pKa = 9.01  ITFILVLEE50 pKa = 4.69  PDD52 pKa = 3.01  WSEE55 pKa = 3.63  IAEE58 pKa = 4.28  AKK60 pKa = 9.8  PIRR63 pKa = 11.84  IRR65 pKa = 11.84  LNGKK69 pKa = 8.97  KK70 pKa = 8.93  MRR72 pKa = 11.84  TQLLTKK78 pKa = 9.19  TLMSIIYY85 pKa = 9.36  KK86 pKa = 9.91  AVIYY90 pKa = 10.68  VEE92 pKa = 4.7  EE93 pKa = 4.06  NALVQFYY100 pKa = 11.04  SDD102 pKa = 3.44  TDD104 pKa = 3.35  RR105 pKa = 11.84  LYY107 pKa = 10.44  TDD109 pKa = 4.16  MYY111 pKa = 8.93  PTFLIDD117 pKa = 3.24  MDD119 pKa = 3.75  KK120 pKa = 10.39  QHH122 pKa = 6.46  YY123 pKa = 9.71  HH124 pKa = 6.78  ILDD127 pKa = 3.3  NGYY130 pKa = 7.66  TYY132 pKa = 10.4  TYY134 pKa = 8.91  IDD136 pKa = 4.05  SFISEE141 pKa = 4.47  CDD143 pKa = 2.99  KK144 pKa = 10.97  QRR146 pKa = 11.84  YY147 pKa = 5.76  LTSDD151 pKa = 2.65  IGEE154 pKa = 4.32  NGYY157 pKa = 10.6  EE158 pKa = 4.09  DD159 pKa = 3.63  STEE162 pKa = 4.13  EE163 pKa = 4.1  EE164 pKa = 4.58  DD165 pKa = 5.12  NEE167 pKa = 4.07  EE168 pKa = 4.28  DD169 pKa = 3.52  TDD171 pKa = 5.18  GVCLYY176 pKa = 10.38  CLEE179 pKa = 4.41  EE180 pKa = 4.27  EE181 pKa = 4.36  EE182 pKa = 5.74  EE183 pKa = 4.09  EE184 pKa = 6.06  DD185 pKa = 3.72  EE186 pKa = 6.68  DD187 pKa = 4.46  EE188 pKa = 6.72  DD189 pKa = 4.33  EE190 pKa = 6.65  DD191 pKa = 4.16  EE192 pKa = 6.47  DD193 pKa = 4.76  EE194 pKa = 5.68  DD195 pKa = 4.77  EE196 pKa = 4.78  EE197 pKa = 4.47  EE198 pKa = 4.09   
 Molecular weight: 23.28 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.805 
IPC2_protein 4.024 
IPC_protein 3.999 
Toseland    3.808 
ProMoST     4.101 
Dawson      3.961 
Bjellqvist  4.126 
Wikipedia   3.846 
Rodwell     3.834 
Grimsley    3.719 
Solomon     3.948 
Lehninger   3.91 
Nozaki      4.062 
DTASelect   4.228 
Thurlkill   3.834 
EMBOSS      3.859 
Sillero     4.113 
Patrickios  1.036 
IPC_peptide 3.961 
IPC2_peptide  4.101 
IPC2.peptide.svr19  4.002 
 Protein with the highest isoelectric point: 
>tr|Q9Q932|Q9Q932_RFVKA Gp039L OS=Rabbit fibroma virus (strain Kasza) OX=10272 GN=s039L PE=3 SV=1 
MM1 pKa = 7.7  ALTAKK6 pKa = 10.14  EE7 pKa = 4.27  VISFIWMTLLFVVMLLAGSALLFKK31 pKa = 10.17  TYY33 pKa = 10.7  APHH36 pKa = 6.05  KK37 pKa = 10.03  VVMTRR42 pKa = 11.84  SAAFMRR48 pKa = 11.84  VVNYY52 pKa = 10.0  FEE54 pKa = 4.91  LVAILVFIPGTVSLYY69 pKa = 8.71  WSYY72 pKa = 11.71  VKK74 pKa = 10.29  SLRR77 pKa = 11.84  FF78 pKa = 3.29   
 Molecular weight: 8.91 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.201 
IPC2_protein 9.794 
IPC_protein 9.984 
Toseland    10.028 
ProMoST     9.823 
Dawson      10.292 
Bjellqvist  9.999 
Wikipedia   10.496 
Rodwell     10.643 
Grimsley    10.379 
Solomon     10.335 
Lehninger   10.292 
Nozaki      9.999 
DTASelect   9.999 
Thurlkill   10.116 
EMBOSS      10.452 
Sillero     10.189 
Patrickios  10.35 
IPC_peptide 10.321 
IPC2_peptide  8.697 
IPC2.peptide.svr19  8.661 
  
 
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 ESI  
     
   
 
  
    ChTry ESI  
     
   
 
  
    ArgC ESI  
     
   
 
  
    LysN ESI  
     
   
 
  
    TryLysC ESI  
     
   
 
  
    Try MALDI  
     
   
 
  
    ChTry MALDI  
     
   
 
  
    ArgC MALDI  
     
   
 
  
    LysN MALDI  
     
   
 
  
    TryLysC MALDI  
     
   
 
  
    Try LTQ  
     
   
 
  
    ChTry LTQ  
     
   
 
  
    ArgC LTQ  
     
   
 
  
    LysN LTQ  
     
   
 
  
    TryLysC LTQ  
     
   
 
  
    Try MSlow  
     
   
 
  
    ChTry MSlow  
     
   
 
  
    ArgC MSlow  
     
   
 
  
    LysN MSlow  
     
   
 
  
    TryLysC MSlow  
     
   
 
  
    Try MShigh  
     
   
 
  
    ChTry MShigh  
     
   
 
  
    ArgC MShigh  
     
   
 
  
    LysN MShigh  
     
   
 
  
    TryLysC MShigh  
     
   
   
  
                       
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
 
       
     
    
      
        153 
 
        
        0
 
        
        153 
         
        46875
 
        32
 
        1939
 
        306.4
 
        35.28
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        3.78 ± 0.116
2.17 ± 0.1
 
        6.069 ± 0.131
5.547 ± 0.12
 
        4.813 ± 0.16
4.049 ± 0.129
 
        2.283 ± 0.079
8.299 ± 0.169
       
        7.627 ± 0.171
9.154 ± 0.164
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.445 ± 0.078
6.114 ± 0.141
 
        3.413 ± 0.111
2.236 ± 0.078
 
        4.365 ± 0.13
7.194 ± 0.144
 
        6.769 ± 0.143
7.479 ± 0.165
       
        0.747 ± 0.063
5.449 ± 0.124
         
                
     
  
  
  
Note:  For amino acid frequency statistics the error has been estimated with the bootstraping (x100) at the protein level 
Most of the basic statistics you can see at this page can be downloaded from this CSV file  
For dipeptide frequency statistics click here