Escherichia phage nom
Average proteome isoelectric point is 5.8
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 208 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|A0A6B9XH99|A0A6B9XH99_9CAUD Uncharacterized protein OS=Escherichia phage nom OX=2696434 GN=nom_140 PE=4 SV=1
MM1 pKa = 7.21 SHH3 pKa = 5.63 NSKK6 pKa = 10.11 WKK8 pKa = 10.08 DD9 pKa = 3.03 LGFASRR15 pKa = 11.84 AEE17 pKa = 4.05 YY18 pKa = 10.81 VGWLWFNGLTNDD30 pKa = 2.83 IKK32 pKa = 10.85 MYY34 pKa = 10.94 DD35 pKa = 3.37 DD36 pKa = 3.82 VYY38 pKa = 10.64 YY39 pKa = 10.79 DD40 pKa = 3.95 EE41 pKa = 4.54 YY42 pKa = 9.79 TGKK45 pKa = 10.35 IINISVEE52 pKa = 3.99 EE53 pKa = 4.12 DD54 pKa = 3.28 TFIQQDD60 pKa = 3.24 TDD62 pKa = 3.45 TCLDD66 pKa = 3.57 KK67 pKa = 11.34 YY68 pKa = 10.71 VSEE71 pKa = 4.33 VEE73 pKa = 4.15 EE74 pKa = 4.43 ANN76 pKa = 3.5
Molecular weight: 8.96 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.822
IPC2_protein 4.075
IPC_protein 3.986
Toseland 3.795
ProMoST 4.151
Dawson 3.973
Bjellqvist 4.126
Wikipedia 3.897
Rodwell 3.821
Grimsley 3.706
Solomon 3.961
Lehninger 3.923
Nozaki 4.101
DTASelect 4.291
Thurlkill 3.846
EMBOSS 3.91
Sillero 4.113
Patrickios 1.939
IPC_peptide 3.961
IPC2_peptide 4.088
IPC2.peptide.svr19 4.003
Protein with the highest isoelectric point:
>tr|A0A6B9XG33|A0A6B9XG33_9CAUD DNA polymerase OS=Escherichia phage nom OX=2696434 GN=nom_199 PE=3 SV=1
MM1 pKa = 7.81 KK2 pKa = 10.33 INFEE6 pKa = 4.46 KK7 pKa = 10.36 IVKK10 pKa = 9.65 RR11 pKa = 11.84 SHH13 pKa = 6.58 ASEE16 pKa = 4.09 EE17 pKa = 4.14 LPEE20 pKa = 3.9 RR21 pKa = 11.84 RR22 pKa = 11.84 QRR24 pKa = 11.84 NNKK27 pKa = 8.77 LNKK30 pKa = 8.62 PKK32 pKa = 10.53 RR33 pKa = 11.84 FGKK36 pKa = 9.67 IWRR39 pKa = 11.84 NHH41 pKa = 5.54 YY42 pKa = 9.72 DD43 pKa = 3.21 RR44 pKa = 11.84 KK45 pKa = 10.86 LPGLLLEE52 pKa = 4.87 RR53 pKa = 11.84 EE54 pKa = 4.29 RR55 pKa = 11.84 QAEE58 pKa = 4.29 RR59 pKa = 11.84 YY60 pKa = 7.52 RR61 pKa = 11.84 HH62 pKa = 5.78 KK63 pKa = 11.17 GKK65 pKa = 10.56
Molecular weight: 8.11 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.288
IPC2_protein 9.926
IPC_protein 10.891
Toseland 11.213
ProMoST 11.199
Dawson 11.242
Bjellqvist 11.023
Wikipedia 11.52
Rodwell 11.462
Grimsley 11.272
Solomon 11.506
Lehninger 11.447
Nozaki 11.184
DTASelect 11.023
Thurlkill 11.184
EMBOSS 11.637
Sillero 11.199
Patrickios 11.199
IPC_peptide 11.506
IPC2_peptide 10.043
IPC2.peptide.svr19 8.658
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
208
0
208
40161
32
1875
193.1
21.84
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.972 ± 0.188
1.646 ± 0.085
6.845 ± 0.13
7.101 ± 0.278
4.235 ± 0.094
7.009 ± 0.215
1.977 ± 0.078
5.871 ± 0.133
6.92 ± 0.234
7.677 ± 0.175
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.856 ± 0.101
4.995 ± 0.169
3.85 ± 0.134
3.23 ± 0.127
4.499 ± 0.113
5.513 ± 0.14
5.657 ± 0.207
7.134 ± 0.136
1.793 ± 0.09
4.221 ± 0.114
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