Escherichia phage PA28
Average proteome isoelectric point is 7.17
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 90 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|A0A0N7BTP4|A0A0N7BTP4_9CAUD Uncharacterized protein OS=Escherichia phage PA28 OX=1660368 PE=4 SV=1
MM1 pKa = 7.81 KK2 pKa = 10.33 LRR4 pKa = 11.84 VWHH7 pKa = 6.62 IPQVPMKK14 pKa = 9.37 PFIVEE19 pKa = 4.0 VTSVEE24 pKa = 4.0 EE25 pKa = 4.5 GVRR28 pKa = 11.84 LMDD31 pKa = 5.18 ALADD35 pKa = 3.81 YY36 pKa = 11.01 DD37 pKa = 4.43 AFQYY41 pKa = 11.41 DD42 pKa = 4.1 NNIKK46 pKa = 10.06 PDD48 pKa = 3.47 YY49 pKa = 10.48 CNANGLEE56 pKa = 4.09 MWDD59 pKa = 3.92 EE60 pKa = 4.23 SLTDD64 pKa = 3.56 EE65 pKa = 5.26 DD66 pKa = 4.5 LSEE69 pKa = 4.37 MGLTDD74 pKa = 4.8 RR75 pKa = 11.84 WVDD78 pKa = 3.24 WYY80 pKa = 10.98 SEE82 pKa = 4.2 CQCYY86 pKa = 10.78 DD87 pKa = 3.35 DD88 pKa = 3.75 ARR90 pKa = 11.84 KK91 pKa = 9.93 YY92 pKa = 10.89 LEE94 pKa = 4.02 SLKK97 pKa = 10.82 EE98 pKa = 3.9 EE99 pKa = 4.1 TSAAA103 pKa = 3.68
Molecular weight: 12.08 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.999
IPC2_protein 4.062
IPC_protein 4.012
Toseland 3.808
ProMoST 4.151
Dawson 3.986
Bjellqvist 4.139
Wikipedia 3.897
Rodwell 3.834
Grimsley 3.719
Solomon 3.973
Lehninger 3.923
Nozaki 4.101
DTASelect 4.291
Thurlkill 3.859
EMBOSS 3.91
Sillero 4.126
Patrickios 2.842
IPC_peptide 3.973
IPC2_peptide 4.101
IPC2.peptide.svr19 4.022
Protein with the highest isoelectric point:
>tr|A0A0N7BZQ3|A0A0N7BZQ3_9CAUD Protein ninH OS=Escherichia phage PA28 OX=1660368 PE=3 SV=1
MM1 pKa = 6.97 STIAEE6 pKa = 4.05 LVRR9 pKa = 11.84 ANFRR13 pKa = 11.84 EE14 pKa = 4.1 EE15 pKa = 3.58 LVRR18 pKa = 11.84 WYY20 pKa = 10.29 RR21 pKa = 11.84 YY22 pKa = 9.46 RR23 pKa = 11.84 SSSSLPLDD31 pKa = 3.41 EE32 pKa = 6.07 LYY34 pKa = 10.73 EE35 pKa = 4.16 HH36 pKa = 6.91 SPAARR41 pKa = 11.84 RR42 pKa = 11.84 YY43 pKa = 8.71 PRR45 pKa = 11.84 DD46 pKa = 3.04 RR47 pKa = 11.84 VLRR50 pKa = 11.84 RR51 pKa = 11.84 LFKK54 pKa = 11.01 LNNEE58 pKa = 4.2 FQRR61 pKa = 11.84 NRR63 pKa = 11.84 IIRR66 pKa = 11.84 SLDD69 pKa = 3.3 FKK71 pKa = 11.5
Molecular weight: 8.8 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.308
IPC2_protein 9.867
IPC_protein 10.994
Toseland 10.818
ProMoST 11.023
Dawson 10.921
Bjellqvist 10.804
Wikipedia 11.286
Rodwell 10.789
Grimsley 10.994
Solomon 11.199
Lehninger 11.125
Nozaki 10.789
DTASelect 10.804
Thurlkill 10.833
EMBOSS 11.272
Sillero 10.877
Patrickios 10.526
IPC_peptide 11.199
IPC2_peptide 10.043
IPC2.peptide.svr19 8.589
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
90
0
90
18092
37
2791
201.0
22.46
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
9.584 ± 0.368
1.177 ± 0.205
5.804 ± 0.221
6.837 ± 0.264
3.112 ± 0.167
7.213 ± 0.478
1.708 ± 0.134
4.964 ± 0.307
5.997 ± 0.249
7.793 ± 0.212
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.797 ± 0.146
4.306 ± 0.161
4.289 ± 0.252
4.577 ± 0.3
6.854 ± 0.267
6.152 ± 0.256
5.605 ± 0.222
6.456 ± 0.232
1.747 ± 0.164
3.029 ± 0.187
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