Capra hircus papillomavirus 1 
Average proteome isoelectric point is 6.31 
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 7 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|Q1I123|Q1I123_9PAPI E4 OS=Capra hircus papillomavirus 1 OX=338903 GN=E4 PE=4 SV=1 
MM1 pKa = 7.01  VRR3 pKa = 11.84  AKK5 pKa = 9.95  RR6 pKa = 11.84  VKK8 pKa = 10.1  RR9 pKa = 11.84  ASEE12 pKa = 3.8  DD13 pKa = 3.2  QLYY16 pKa = 10.14  RR17 pKa = 11.84  DD18 pKa = 4.04  CLAGRR23 pKa = 11.84  EE24 pKa = 4.31  CKK26 pKa = 9.91  PDD28 pKa = 3.22  IKK30 pKa = 10.85  DD31 pKa = 3.2  KK32 pKa = 11.64  YY33 pKa = 9.86  EE34 pKa = 4.15  NNTLADD40 pKa = 5.03  SILKK44 pKa = 8.89  WASQFLWFGQLGIGTGRR61 pKa = 11.84  GSGGSGGYY69 pKa = 7.9  TRR71 pKa = 11.84  LGGGGGGSRR80 pKa = 11.84  TGVISRR86 pKa = 11.84  PPVVIDD92 pKa = 3.76  SIGPRR97 pKa = 11.84  DD98 pKa = 3.79  ITPIDD103 pKa = 3.83  TVDD106 pKa = 3.55  PTASSIVPLNEE117 pKa = 4.34  GGPSVPTGEE126 pKa = 4.1  IEE128 pKa = 4.75  VIAEE132 pKa = 4.26  TTPTTSNGALDD143 pKa = 3.87  PVIVGEE149 pKa = 4.43  PDD151 pKa = 3.4  LGPATIDD158 pKa = 3.38  VSSDD162 pKa = 3.3  PTPSNPVLNTTVSSSIHH179 pKa = 5.99  NNPSFDD185 pKa = 3.71  AAILSSQLPGEE196 pKa = 4.29  FSVPDD201 pKa = 3.43  QVVITHH207 pKa = 6.47  GLVGEE212 pKa = 4.63  HH213 pKa = 6.44  IGAFEE218 pKa = 4.59  NIEE221 pKa = 4.28  LDD223 pKa = 3.8  TIGEE227 pKa = 4.01  YY228 pKa = 10.59  SGFGEE233 pKa = 4.91  LEE235 pKa = 4.06  VEE237 pKa = 4.44  EE238 pKa = 5.3  PPSSSTPQTGLSARR252 pKa = 11.84  LSKK255 pKa = 10.57  NLKK258 pKa = 7.75  QLRR261 pKa = 11.84  QRR263 pKa = 11.84  LYY265 pKa = 10.6  NRR267 pKa = 11.84  RR268 pKa = 11.84  IQQRR272 pKa = 11.84  LVEE275 pKa = 4.28  NQPFLTSPRR284 pKa = 11.84  RR285 pKa = 11.84  LVQFEE290 pKa = 4.12  YY291 pKa = 10.96  SNPSFQDD298 pKa = 3.3  EE299 pKa = 4.35  VSLEE303 pKa = 3.9  FEE305 pKa = 4.01  RR306 pKa = 11.84  DD307 pKa = 2.96  INTVVEE313 pKa = 4.28  APHH316 pKa = 6.59  YY317 pKa = 10.21  DD318 pKa = 3.08  FRR320 pKa = 11.84  DD321 pKa = 3.8  VVRR324 pKa = 11.84  LGRR327 pKa = 11.84  PEE329 pKa = 4.86  SNLTDD334 pKa = 3.6  SGHH337 pKa = 5.46  VRR339 pKa = 11.84  VSRR342 pKa = 11.84  LGTLGTISTRR352 pKa = 11.84  SGLIIGGQVHH362 pKa = 6.85  YY363 pKa = 9.64  YY364 pKa = 9.88  TDD366 pKa = 4.07  LSSIAADD373 pKa = 3.93  TIEE376 pKa = 4.45  LPSYY380 pKa = 9.52  QPAMSPSTIVHH391 pKa = 6.54  IDD393 pKa = 3.27  SAGEE397 pKa = 4.01  TFNDD401 pKa = 4.02  MEE403 pKa = 4.55  TSFCNVDD410 pKa = 3.16  QGIEE414 pKa = 4.07  EE415 pKa = 4.31  VEE417 pKa = 3.92  RR418 pKa = 11.84  DD419 pKa = 3.84  LLDD422 pKa = 3.76  SASEE426 pKa = 4.09  DD427 pKa = 3.75  FSNSRR432 pKa = 11.84  LLLSTGSDD440 pKa = 3.11  IVDD443 pKa = 3.75  SGLDD447 pKa = 3.42  LQDD450 pKa = 2.75  IFQRR454 pKa = 11.84  PNLGEE459 pKa = 4.2  DD460 pKa = 3.62  SITVNFPTSNSIQVFNGSGAGSSIPATPIGPLGPVPIPAVLFNVLSSDD508 pKa = 4.16  LLLDD512 pKa = 3.9  PSLLRR517 pKa = 11.84  KK518 pKa = 9.25  RR519 pKa = 11.84  RR520 pKa = 11.84  KK521 pKa = 9.72  KK522 pKa = 10.88  YY523 pKa = 10.75  GVFSS527 pKa = 3.89   
 Molecular weight: 56.66 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  4.67 
IPC2_protein 4.596 
IPC_protein 4.558 
Toseland    4.393 
ProMoST     4.673 
Dawson      4.52 
Bjellqvist  4.66 
Wikipedia   4.393 
Rodwell     4.393 
Grimsley    4.304 
Solomon     4.507 
Lehninger   4.469 
Nozaki      4.622 
DTASelect   4.813 
Thurlkill   4.406 
EMBOSS      4.418 
Sillero     4.673 
Patrickios  4.062 
IPC_peptide 4.52 
IPC2_peptide  4.66 
IPC2.peptide.svr19  4.641 
 Protein with the highest isoelectric point: 
>tr|Q1I125|Q1I125_9PAPI Replication protein E1 OS=Capra hircus papillomavirus 1 OX=338903 GN=E1 PE=3 SV=1 
MM1 pKa = 6.99  TALEE5 pKa = 3.99  ARR7 pKa = 11.84  FEE9 pKa = 4.16  EE10 pKa = 4.62  VQEE13 pKa = 4.16  KK14 pKa = 10.5  LLEE17 pKa = 4.22  LLEE20 pKa = 4.8  RR21 pKa = 11.84  NPEE24 pKa = 4.06  TLDD27 pKa = 3.32  EE28 pKa = 4.3  QIEE31 pKa = 4.24  YY32 pKa = 9.94  WEE34 pKa = 4.07  LVKK37 pKa = 10.44  WEE39 pKa = 4.3  NIYY42 pKa = 11.22  YY43 pKa = 10.05  NAARR47 pKa = 11.84  RR48 pKa = 11.84  KK49 pKa = 9.57  GIHH52 pKa = 6.58  KK53 pKa = 10.34  LGFSPVPSLQASEE66 pKa = 5.04  HH67 pKa = 5.68  GAKK70 pKa = 9.78  EE71 pKa = 4.05  AIGMKK76 pKa = 10.26  LQLTNLKK83 pKa = 10.47  SSGFGSEE90 pKa = 3.62  KK91 pKa = 8.64  WTLADD96 pKa = 3.8  TSSMTYY102 pKa = 10.38  LAPPKK107 pKa = 9.59  HH108 pKa = 5.23  TFKK111 pKa = 11.12  KK112 pKa = 9.76  LSKK115 pKa = 9.27  PVTVTFDD122 pKa = 3.87  SNSQNAVRR130 pKa = 11.84  YY131 pKa = 6.2  TCWSHH136 pKa = 7.28  VYY138 pKa = 10.13  YY139 pKa = 11.17  LNDD142 pKa = 2.84  NDD144 pKa = 4.79  MYY146 pKa = 10.95  VKK148 pKa = 10.32  SYY150 pKa = 11.49  SNVDD154 pKa = 3.11  VHH156 pKa = 5.9  GVYY159 pKa = 10.74  YY160 pKa = 10.3  IRR162 pKa = 11.84  DD163 pKa = 3.5  SRR165 pKa = 11.84  KK166 pKa = 8.14  QYY168 pKa = 10.47  YY169 pKa = 10.79  VNFEE173 pKa = 3.65  KK174 pKa = 10.76  DD175 pKa = 2.96  ARR177 pKa = 11.84  KK178 pKa = 10.03  YY179 pKa = 11.04  SSTGQWDD186 pKa = 3.46  VSFEE190 pKa = 4.12  NKK192 pKa = 9.75  HH193 pKa = 5.81  LSSSIASSSGHH204 pKa = 5.46  TATVATPEE212 pKa = 4.25  TTVTSTQASAAAASAADD229 pKa = 4.03  SQEE232 pKa = 4.01  EE233 pKa = 4.89  TPGSTRR239 pKa = 11.84  KK240 pKa = 10.01  LLTATYY246 pKa = 10.43  HH247 pKa = 6.77  RR248 pKa = 11.84  ILRR251 pKa = 11.84  DD252 pKa = 3.23  RR253 pKa = 11.84  GSPRR257 pKa = 11.84  PASRR261 pKa = 11.84  SRR263 pKa = 11.84  SRR265 pKa = 11.84  SSTSTSSSGSSYY277 pKa = 10.66  RR278 pKa = 11.84  PGSRR282 pKa = 11.84  RR283 pKa = 11.84  SSSGRR288 pKa = 11.84  GARR291 pKa = 11.84  RR292 pKa = 11.84  SRR294 pKa = 11.84  GRR296 pKa = 11.84  SWRR299 pKa = 11.84  RR300 pKa = 11.84  TRR302 pKa = 11.84  SRR304 pKa = 11.84  SQSTEE309 pKa = 3.25  RR310 pKa = 11.84  SRR312 pKa = 11.84  GGGGGRR318 pKa = 11.84  GRR320 pKa = 11.84  GRR322 pKa = 11.84  PRR324 pKa = 11.84  RR325 pKa = 11.84  SGLHH329 pKa = 5.38  SRR331 pKa = 11.84  PSRR334 pKa = 11.84  SPAPKK339 pKa = 10.08  GSGVPKK345 pKa = 10.04  RR346 pKa = 11.84  RR347 pKa = 11.84  PSVRR351 pKa = 11.84  APQSYY356 pKa = 10.24  RR357 pKa = 11.84  GGSQQGTPPRR367 pKa = 11.84  PTAVSVASATPDD379 pKa = 3.14  IPRR382 pKa = 11.84  LSPWFRR388 pKa = 11.84  RR389 pKa = 11.84  RR390 pKa = 11.84  SHH392 pKa = 5.32  STPRR396 pKa = 11.84  SPVRR400 pKa = 11.84  APGRR404 pKa = 11.84  GSPPASLGSVRR415 pKa = 11.84  HH416 pKa = 5.66  HH417 pKa = 6.54  QSSQRR422 pKa = 11.84  KK423 pKa = 8.09  RR424 pKa = 11.84  SRR426 pKa = 11.84  SHH428 pKa = 6.09  EE429 pKa = 4.07  RR430 pKa = 11.84  LHH432 pKa = 6.79  SAVKK436 pKa = 9.95  KK437 pKa = 10.04  DD438 pKa = 3.4  PYY440 pKa = 10.57  VILVRR445 pKa = 11.84  GKK447 pKa = 9.58  PNQLKK452 pKa = 8.33  CWRR455 pKa = 11.84  WRR457 pKa = 11.84  LHH459 pKa = 4.34  NRR461 pKa = 11.84  ARR463 pKa = 11.84  RR464 pKa = 11.84  VPFRR468 pKa = 11.84  CFSTTFSWVSLVQGEE483 pKa = 4.15  KK484 pKa = 10.53  SIANRR489 pKa = 11.84  MLVVFDD495 pKa = 3.63  TRR497 pKa = 11.84  QDD499 pKa = 3.33  RR500 pKa = 11.84  EE501 pKa = 4.36  LFLHH505 pKa = 6.8  RR506 pKa = 11.84  VTFPPGVTWCYY517 pKa = 11.14  GSLDD521 pKa = 4.28  CII523 pKa = 4.39   
 Molecular weight: 58.83 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.299 
IPC2_protein 9.984 
IPC_protein 11.038 
Toseland    11.067 
ProMoST     11.169 
Dawson      11.125 
Bjellqvist  10.965 
Wikipedia   11.447 
Rodwell     11.155 
Grimsley    11.169 
Solomon     11.403 
Lehninger   11.33 
Nozaki      11.052 
DTASelect   10.965 
Thurlkill   11.067 
EMBOSS      11.506 
Sillero     11.082 
Patrickios  10.847 
IPC_peptide 11.403 
IPC2_peptide  10.233 
IPC2.peptide.svr19  8.574 
  
 
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
 
       
     
    
      
        7 
 
        
        0
 
        
        7 
         
        2611
 
        92
 
        566
 
        373.0
 
        41.84
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        5.4 ± 0.662
2.106 ± 0.6
 
        6.09 ± 0.912
5.668 ± 0.349
 
        4.098 ± 0.562
6.817 ± 0.917
 
        2.375 ± 0.327
4.251 ± 0.76
       
        4.787 ± 0.793
8.771 ± 0.727
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        1.379 ± 0.252
3.983 ± 0.77
 
        7.085 ± 1.56
4.787 ± 0.658
 
        7.124 ± 1.416
9.307 ± 1.489
 
        5.553 ± 0.514
5.898 ± 0.57
       
        1.34 ± 0.3
3.179 ± 0.414
         
                
     
  
  
  
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