Escherichia phage P2
Average proteome isoelectric point is 6.82
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 46 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|M1RZ27|M1RZ27_BPP2 Phage outer membrane lipoprotein Rz1 OS=Escherichia phage P2 OX=2681594 PE=4 SV=1
MM1 pKa = 7.21 KK2 pKa = 9.98 TFALQGDD9 pKa = 4.3 TLDD12 pKa = 4.87 AICVRR17 pKa = 11.84 YY18 pKa = 9.91 YY19 pKa = 11.07 GRR21 pKa = 11.84 TDD23 pKa = 3.38 GVVEE27 pKa = 4.28 TVLAANPGLAEE38 pKa = 4.58 LGAVLPHH45 pKa = 5.85 GTAVEE50 pKa = 4.18 LPDD53 pKa = 3.66 VQTAPVAEE61 pKa = 4.29 TVNLWEE67 pKa = 4.2
Molecular weight: 7.07 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.208
IPC2_protein 4.266
IPC_protein 4.075
Toseland 3.91
ProMoST 4.126
Dawson 4.05
Bjellqvist 4.317
Wikipedia 3.961
Rodwell 3.923
Grimsley 3.834
Solomon 4.024
Lehninger 3.973
Nozaki 4.177
DTASelect 4.317
Thurlkill 3.961
EMBOSS 3.973
Sillero 4.19
Patrickios 3.249
IPC_peptide 4.024
IPC2_peptide 4.177
IPC2.peptide.svr19 4.121
Protein with the highest isoelectric point:
>tr|M1T2Q6|M1T2Q6_BPP2 Phage tail protein OS=Escherichia phage P2 OX=2681594 PE=4 SV=1
MM1 pKa = 7.6 IGVLIVVGKK10 pKa = 9.79 VLAGGEE16 pKa = 4.47 PITPRR21 pKa = 11.84 LFIGRR26 pKa = 11.84 MLLGGFVSMVAGVVLVQFPDD46 pKa = 3.41 LSLPAVCGIGSMLGIAGYY64 pKa = 8.18 QVIEE68 pKa = 3.82 IAIQRR73 pKa = 11.84 RR74 pKa = 11.84 FKK76 pKa = 11.29 GRR78 pKa = 11.84 GKK80 pKa = 9.83 PP81 pKa = 3.39
Molecular weight: 8.45 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.325
IPC2_protein 9.589
IPC_protein 10.189
Toseland 10.672
ProMoST 10.277
Dawson 10.745
Bjellqvist 10.423
Wikipedia 10.921
Rodwell 11.052
Grimsley 10.789
Solomon 10.862
Lehninger 10.847
Nozaki 10.657
DTASelect 10.409
Thurlkill 10.657
EMBOSS 11.052
Sillero 10.687
Patrickios 10.906
IPC_peptide 10.862
IPC2_peptide 9.428
IPC2.peptide.svr19 8.581
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
46
0
46
9700
51
815
210.9
23.35
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.258 ± 0.62
1.01 ± 0.132
5.423 ± 0.245
6.175 ± 0.311
3.33 ± 0.222
6.804 ± 0.31
1.732 ± 0.174
5.464 ± 0.211
5.32 ± 0.302
9.258 ± 0.305
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.753 ± 0.195
3.928 ± 0.268
4.825 ± 0.386
3.856 ± 0.199
6.557 ± 0.464
5.99 ± 0.253
6.577 ± 0.376
6.577 ± 0.327
1.433 ± 0.109
2.732 ± 0.182
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