Escherichia phage 121Q
Average proteome isoelectric point is 5.96
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 611 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|A0A097EXQ7|A0A097EXQ7_9CAUD Uncharacterized protein OS=Escherichia phage 121Q OX=1555202 GN=303 PE=4 SV=1
MM1 pKa = 7.85 GIQHH5 pKa = 6.55 ITRR8 pKa = 11.84 TTDD11 pKa = 2.63 NGEE14 pKa = 3.6 ITGYY18 pKa = 9.49 QVQGKK23 pKa = 8.39 VAQLQYY29 pKa = 10.13 WFVKK33 pKa = 10.2 RR34 pKa = 11.84 GIVAPDD40 pKa = 3.71 LDD42 pKa = 4.07 YY43 pKa = 11.75 DD44 pKa = 3.79 RR45 pKa = 11.84 VAFIDD50 pKa = 3.84 SLYY53 pKa = 10.7 VDD55 pKa = 4.25 PDD57 pKa = 3.18 NRR59 pKa = 11.84 GNGEE63 pKa = 3.84 GTEE66 pKa = 4.11 LMNAFIDD73 pKa = 4.03 AADD76 pKa = 4.66 DD77 pKa = 3.69 SDD79 pKa = 6.14 CIILEE84 pKa = 4.42 CDD86 pKa = 2.93 TGEE89 pKa = 4.61 DD90 pKa = 3.62 NEE92 pKa = 4.54 FNLKK96 pKa = 8.63 EE97 pKa = 4.02 WYY99 pKa = 9.69 EE100 pKa = 4.11 GFGFEE105 pKa = 5.02 VLINCEE111 pKa = 4.18 YY112 pKa = 10.55 PIMILSS118 pKa = 3.64
Molecular weight: 13.39 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.721
IPC2_protein 3.846
IPC_protein 3.808
Toseland 3.605
ProMoST 3.973
Dawson 3.808
Bjellqvist 3.961
Wikipedia 3.732
Rodwell 3.643
Grimsley 3.516
Solomon 3.795
Lehninger 3.745
Nozaki 3.923
DTASelect 4.139
Thurlkill 3.668
EMBOSS 3.745
Sillero 3.935
Patrickios 0.947
IPC_peptide 3.783
IPC2_peptide 3.91
IPC2.peptide.svr19 3.824
Protein with the highest isoelectric point:
>tr|A0A097EX93|A0A097EX93_9CAUD Uncharacterized protein OS=Escherichia phage 121Q OX=1555202 GN=174 PE=4 SV=1
MM1 pKa = 7.49 NSTIRR6 pKa = 11.84 RR7 pKa = 11.84 IWCKK11 pKa = 9.93 LRR13 pKa = 11.84 RR14 pKa = 11.84 CNPEE18 pKa = 2.97 QDD20 pKa = 2.87 LWYY23 pKa = 10.14 SRR25 pKa = 11.84 KK26 pKa = 7.71 WW27 pKa = 3.25
Molecular weight: 3.54 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.338
IPC2_protein 9.487
IPC_protein 10.116
Toseland 10.452
ProMoST 10.116
Dawson 10.57
Bjellqvist 10.306
Wikipedia 10.76
Rodwell 10.804
Grimsley 10.628
Solomon 10.687
Lehninger 10.672
Nozaki 10.511
DTASelect 10.262
Thurlkill 10.467
EMBOSS 10.847
Sillero 10.526
Patrickios 10.716
IPC_peptide 10.687
IPC2_peptide 9.663
IPC2.peptide.svr19 8.383
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
611
0
611
107219
20
3323
175.5
20.05
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.858 ± 0.127
1.35 ± 0.054
6.499 ± 0.11
6.714 ± 0.153
4.563 ± 0.079
5.654 ± 0.17
1.887 ± 0.06
7.486 ± 0.103
6.984 ± 0.154
7.914 ± 0.108
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.874 ± 0.067
6.362 ± 0.095
3.061 ± 0.073
3.525 ± 0.075
3.679 ± 0.078
7.072 ± 0.112
6.45 ± 0.201
6.633 ± 0.092
1.077 ± 0.046
5.358 ± 0.126
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