Undibacterium pigrum 
Average proteome isoelectric point is 6.67 
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 5704 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|A0A318JBN9|A0A318JBN9_9BURK Amino acid/amide ABC transporter substrate-binding protein (HAAT family) OS=Undibacterium pigrum OX=401470 GN=DFR42_102218 PE=4 SV=1 
TT1 pKa = 7.14  YY2 pKa = 7.63  NTTEE6 pKa = 3.92  NGVNLNAQSTANAVARR22 pKa = 11.84  VVTDD26 pKa = 4.23  TINLGAGNDD35 pKa = 3.74  TLVTYY40 pKa = 9.55  GAINLAGAQLSNIEE54 pKa = 4.63  NITSNSAVVITASQYY69 pKa = 10.69  AALIAARR76 pKa = 11.84  AALNLSGPVLTFSGVGPHH94 pKa = 6.06  QLTIVDD100 pKa = 4.56  DD101 pKa = 3.98  VAGANNIDD109 pKa = 3.98  LSFISITGGTLVYY122 pKa = 10.69  DD123 pKa = 3.89  VTSSSNATGGGVNNTTTSGAVTVSGSGVAIAGTIGTSPSNGGGQAANGTALTAGGTFNGTAGLNEE188 pKa = 4.38  NFTGNAAALVGTTVNGNNGDD208 pKa = 3.7  TDD210 pKa = 4.43  TITISGGGTVNIGSGNTITNIKK232 pKa = 8.21  TLTMDD237 pKa = 3.62  SAAANVVFFSVANSGITTVNGGSGNDD263 pKa = 3.66  YY264 pKa = 11.26  VDD266 pKa = 4.34  LANSGNSMLAGNVNLGTGTNTLVMEE291 pKa = 5.0  GKK293 pKa = 8.63  TYY295 pKa = 10.45  TGTFVSGSGTSDD307 pKa = 2.84  TLYY310 pKa = 10.92  LFNGSNISAANVSGFEE326 pKa = 4.14  TVNINNNASVTMTAAQFAGFTTFTAGGTEE355 pKa = 4.37  TVNLTTAGTVTANANVEE372 pKa = 4.16  NYY374 pKa = 10.01  VLANGSNTFTGAAGLISVNGGTGSDD399 pKa = 4.01  TINVSSVMISATVAPNGINGGLGADD424 pKa = 3.94  TLNVSAVTAALDD436 pKa = 3.48  MSAKK440 pKa = 8.0  VTGVEE445 pKa = 4.38  TVNVTGGTNAAWTVTNEE462 pKa = 3.64  NGAGVTLNFTKK473 pKa = 10.67  SAANDD478 pKa = 3.42  INNITLGSGGQTLNILGTGTGRR500 pKa = 11.84  TTITGGSGADD510 pKa = 3.77  IINLSATATGADD522 pKa = 4.14  AIALGSNINAIDD534 pKa = 3.54  TVNNFKK540 pKa = 10.83  AAGADD545 pKa = 3.71  LFATGVVPTSLNNLSIANADD565 pKa = 3.76  SSNLAAAIATAATAAGATLANTGQAYY591 pKa = 8.61  TIVVNSGTAAGIYY604 pKa = 10.02  AFQNTGGSVGAVDD617 pKa = 3.37  TGDD620 pKa = 4.34  FIVKK624 pKa = 10.53  LGGTTGTIFATDD636 pKa = 3.68  FGIANAVAVTPGGTFNGTAGANDD659 pKa = 3.47  IFMSTIPGLNGTTIAGNAADD679 pKa = 4.34  TDD681 pKa = 4.16  VLTLTTAGTVTINNGSTGGTLSNLKK706 pKa = 9.93  VLNLANGTNTITYY719 pKa = 7.22  NTSAGFTTINGGSGDD734 pKa = 3.91  DD735 pKa = 3.47  TFIPNTALLPIVVSGGLGTDD755 pKa = 4.11  TIVLSAAYY763 pKa = 9.47  AAVASGSGTFAGNVTGFEE781 pKa = 4.29  KK782 pKa = 10.84  LRR784 pKa = 11.84  LTSVTNQTIDD794 pKa = 3.29  LQTLGNYY801 pKa = 10.24  SDD803 pKa = 3.85  VTFSGANGLTMSNLPSNGNITLNGTGTAFTISNAAFAGGVNDD845 pKa = 4.4  IVNLTLTDD853 pKa = 3.69  ASTSAVAFATTGITASGVEE872 pKa = 4.37  TFNITTVDD880 pKa = 3.62  GQATPTGLFNDD891 pKa = 3.99  TLTILGNSVKK901 pKa = 10.56  NIYY904 pKa = 10.29  VSGNAGLTMPATSTSLINVDD924 pKa = 3.48  ASGITLGGFTWTANALTSTATVKK947 pKa = 10.78  GSASGTNTVNMNSATAGVDD966 pKa = 3.54  YY967 pKa = 10.98  TGGTGNDD974 pKa = 3.57  NITINATVSSTAALGGGNNSLALNGVTLLGTYY1006 pKa = 7.55  TAGNTGTDD1014 pKa = 3.04  SLAFFSSTPDD1024 pKa = 2.96  ISNATITGFEE1034 pKa = 4.22  NLTVVNNANITMTAAQMAQFTGTVNASGTEE1064 pKa = 4.29  TINLTTAGTVTAFSAVEE1081 pKa = 4.26  KK1082 pKa = 11.03  YY1083 pKa = 10.95  NLANGTNNFTSANVAVSVIGGTGTDD1108 pKa = 3.41  TFNFTANQIANFLTTVDD1125 pKa = 4.43  GGNGTDD1131 pKa = 3.59  TLNVGATTTQNLDD1144 pKa = 3.24  FSTKK1148 pKa = 9.12  IASIEE1153 pKa = 4.08  IINVAGSTGTASVTNPDD1170 pKa = 3.54  GAGVTLNYY1178 pKa = 8.62  TKK1180 pKa = 10.01  STGDD1184 pKa = 3.23  NTITLGTGGQTLNLLGSSASSTTVTGGAAVDD1215 pKa = 4.26  TINLQFSGSGSEE1227 pKa = 4.13  TLIEE1231 pKa = 4.18  TGANMSNRR1239 pKa = 11.84  TQVDD1243 pKa = 2.88  IVGNFNSTGTDD1254 pKa = 3.49  YY1255 pKa = 11.36  FKK1257 pKa = 10.72  TGVNAVSVGSYY1268 pKa = 10.24  IIGNADD1274 pKa = 3.2  TGNYY1278 pKa = 7.23  LTTIASGLSIVLNNTGQSYY1297 pKa = 10.7  LITIQTGTAAGTYY1310 pKa = 9.74  LFQNTGSDD1318 pKa = 3.12  TSQFDD1323 pKa = 3.3  NTDD1326 pKa = 3.63  FFVQLTGTIGGIGAGNLIAA1345 pKa = 5.87   
 Molecular weight: 131.92 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  3.737 
IPC2_protein 3.516 
IPC_protein 3.567 
Toseland    3.325 
ProMoST     3.757 
Dawson      3.579 
Bjellqvist  3.732 
Wikipedia   3.554 
Rodwell     3.389 
Grimsley    3.236 
Solomon     3.579 
Lehninger   3.528 
Nozaki      3.694 
DTASelect   3.999 
Thurlkill   3.389 
EMBOSS      3.554 
Sillero     3.694 
Patrickios  0.846 
IPC_peptide 3.567 
IPC2_peptide  3.668 
IPC2.peptide.svr19  3.685 
 Protein with the highest isoelectric point: 
>tr|A0A318JMY3|A0A318JMY3_9BURK Uncharacterized protein OS=Undibacterium pigrum OX=401470 GN=DFR42_102579 PE=4 SV=1 
MM1 pKa = 7.35  KK2 pKa = 9.36  RR3 pKa = 11.84  TYY5 pKa = 9.97  QPSVVRR11 pKa = 11.84  RR12 pKa = 11.84  KK13 pKa = 8.57  RR14 pKa = 11.84  THH16 pKa = 5.79  GFRR19 pKa = 11.84  ARR21 pKa = 11.84  MATRR25 pKa = 11.84  GGRR28 pKa = 11.84  AVLNARR34 pKa = 11.84  RR35 pKa = 11.84  AKK37 pKa = 9.77  GRR39 pKa = 11.84  KK40 pKa = 8.8  RR41 pKa = 11.84  LAAA44 pKa = 4.42   
 Molecular weight: 5.09 kDa
Isoelectric point according different methods: 
IPC2.protein.svr19  9.447 
IPC2_protein 11.155 
IPC_protein 12.544 
Toseland    12.705 
ProMoST     13.203 
Dawson      12.705 
Bjellqvist  12.705 
Wikipedia   13.188 
Rodwell     12.34 
Grimsley    12.749 
Solomon     13.203 
Lehninger   13.1 
Nozaki      12.705 
DTASelect   12.705 
Thurlkill   12.705 
EMBOSS      13.203 
Sillero     12.705 
Patrickios  12.076 
IPC_peptide 13.203 
IPC2_peptide  12.193 
IPC2.peptide.svr19  9.1 
  
 
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
 
       
     
    
      
        5704 
 
        
        0
 
        
        5704 
         
        1883445
 
        27
 
        4271
 
        330.2
 
        36.3
 
                
     
  
 
    Amino acid frequency 
  
  
    
      
        Ala
 
        Cys
 
        Asp
 
        Glu
 
        Phe
 
        Gly
 
        His
 
        Ile
 
        Lys
 
        Leu
 
       
     
    
                 
        10.924 ± 0.044
0.938 ± 0.011
 
        5.266 ± 0.026
5.41 ± 0.034
 
        3.883 ± 0.023
7.163 ± 0.035
 
        2.23 ± 0.018
5.638 ± 0.024
       
        4.798 ± 0.031
10.609 ± 0.041
         
                
     
  
  
  
      
          
        Met
         
        Asn
 
        Gln
 
        Pro
         
        Arg
 
        Ser
 
        Thr
 
        Val
 
        Trp
 
        Tyr
  
       
     
    
                 
        2.701 ± 0.015
3.748 ± 0.024
 
        4.37 ± 0.023
4.534 ± 0.03
 
        5.253 ± 0.024
6.339 ± 0.026
 
        5.343 ± 0.031
6.735 ± 0.031
       
        1.343 ± 0.014
2.773 ± 0.019
         
                
     
  
  
  
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