Cyanophage PSS2
Average proteome isoelectric point is 5.97
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 128 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|C7F4C3|C7F4C3_9CAUD Predicted protein OS=Cyanophage PSS2 OX=658401 GN=CSPG_00074 PE=4 SV=1
MM1 pKa = 7.79 EE2 pKa = 5.66 IFMACANYY10 pKa = 10.54 AVGFGYY16 pKa = 10.8 RR17 pKa = 11.84 LFLVPVSACALDD29 pKa = 4.03 LSSISGGIADD39 pKa = 4.27 TGAFINLGTADD50 pKa = 4.06 ANVVASTYY58 pKa = 11.0 NLVEE62 pKa = 4.38 GATSDD67 pKa = 4.84 DD68 pKa = 3.52 IQGGLTAPANIVFDD82 pKa = 3.88 NDD84 pKa = 3.48 VVSTEE89 pKa = 4.29 TVFEE93 pKa = 4.33 LFGLSAATLEE103 pKa = 4.42 TDD105 pKa = 3.35 TGTEE109 pKa = 3.7 TAATYY114 pKa = 11.01 DD115 pKa = 3.92 LLSEE119 pKa = 4.57 GFDD122 pKa = 3.43 EE123 pKa = 5.22 NVPISQSWSMSLEE136 pKa = 3.85 GVIKK140 pKa = 10.01 NTDD143 pKa = 2.84 AGYY146 pKa = 11.32 KK147 pKa = 10.08 LLRR150 pKa = 11.84 LLNKK154 pKa = 9.89 NAVSGGLYY162 pKa = 10.59 AKK164 pKa = 9.92 IGRR167 pKa = 11.84 IGPTGTTEE175 pKa = 4.86 AIYY178 pKa = 10.04 GYY180 pKa = 10.71 VSVNGFSEE188 pKa = 4.45 ANAAKK193 pKa = 9.58 TLVKK197 pKa = 10.21 WSATAQGYY205 pKa = 9.81 GPFNITLDD213 pKa = 3.73 NAGGTNADD221 pKa = 3.5 GTTT224 pKa = 3.24
Molecular weight: 23.15 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.743
IPC2_protein 3.923
IPC_protein 3.884
Toseland 3.681
ProMoST 4.037
Dawson 3.859
Bjellqvist 4.024
Wikipedia 3.783
Rodwell 3.706
Grimsley 3.592
Solomon 3.846
Lehninger 3.808
Nozaki 3.986
DTASelect 4.19
Thurlkill 3.732
EMBOSS 3.795
Sillero 3.999
Patrickios 0.998
IPC_peptide 3.846
IPC2_peptide 3.973
IPC2.peptide.svr19 3.88
Protein with the highest isoelectric point:
>tr|C7F4F2|C7F4F2_9CAUD Predicted protein OS=Cyanophage PSS2 OX=658401 GN=CSPG_00102 PE=4 SV=1
MM1 pKa = 7.34 NGYY4 pKa = 8.94 PKK6 pKa = 10.38 RR7 pKa = 11.84 IRR9 pKa = 11.84 NQILALHH16 pKa = 5.53 EE17 pKa = 3.7 QGMAINEE24 pKa = 3.64 ISRR27 pKa = 11.84 RR28 pKa = 11.84 LRR30 pKa = 11.84 GLIDD34 pKa = 4.28 RR35 pKa = 11.84 DD36 pKa = 4.03 TVKK39 pKa = 10.53 RR40 pKa = 11.84 WVAEE44 pKa = 4.04 HH45 pKa = 6.67 KK46 pKa = 10.45 NSKK49 pKa = 10.39 GSS51 pKa = 3.28
Molecular weight: 5.96 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.309
IPC2_protein 9.78
IPC_protein 10.818
Toseland 11.096
ProMoST 11.082
Dawson 11.14
Bjellqvist 10.921
Wikipedia 11.418
Rodwell 11.272
Grimsley 11.169
Solomon 11.403
Lehninger 11.345
Nozaki 11.067
DTASelect 10.921
Thurlkill 11.082
EMBOSS 11.52
Sillero 11.082
Patrickios 11.052
IPC_peptide 11.403
IPC2_peptide 9.97
IPC2.peptide.svr19 8.748
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
128
0
128
32021
42
2612
250.2
27.34
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
9.656 ± 0.473
1.733 ± 0.812
7.061 ± 0.507
6.596 ± 0.332
3.351 ± 0.216
8.235 ± 0.319
1.702 ± 0.155
4.747 ± 0.195
4.769 ± 0.556
7.954 ± 0.346
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.108 ± 0.201
4.475 ± 0.248
4.369 ± 0.189
3.876 ± 0.177
4.684 ± 0.296
6.895 ± 0.242
6.749 ± 0.381
6.461 ± 0.203
1.677 ± 0.154
2.901 ± 0.185
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