Staphylococcus virus phiETA2
Average proteome isoelectric point is 6.31
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 69 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|A1KX10|A1KX10_9CAUD Uncharacterized protein OS=Staphylococcus virus phiETA2 OX=326036 PE=4 SV=1
MM1 pKa = 6.89 QQQAYY6 pKa = 9.38 INATIDD12 pKa = 2.95 IRR14 pKa = 11.84 IPTEE18 pKa = 3.45 VEE20 pKa = 3.82 YY21 pKa = 10.92 QHH23 pKa = 6.88 FDD25 pKa = 3.86 DD26 pKa = 6.2 VDD28 pKa = 3.79 DD29 pKa = 5.21 EE30 pKa = 4.86 KK31 pKa = 11.62 DD32 pKa = 3.23 ALADD36 pKa = 3.57 YY37 pKa = 10.57 LYY39 pKa = 10.94 NNPDD43 pKa = 3.71 EE44 pKa = 4.28 ILEE47 pKa = 3.92 YY48 pKa = 11.25 DD49 pKa = 3.43 NLKK52 pKa = 9.69 IRR54 pKa = 11.84 NVNVEE59 pKa = 3.93 VEE61 pKa = 4.1
Molecular weight: 7.26 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.752
IPC2_protein 3.821
IPC_protein 3.745
Toseland 3.554
ProMoST 3.884
Dawson 3.745
Bjellqvist 3.973
Wikipedia 3.694
Rodwell 3.579
Grimsley 3.465
Solomon 3.719
Lehninger 3.681
Nozaki 3.872
DTASelect 4.075
Thurlkill 3.617
EMBOSS 3.694
Sillero 3.872
Patrickios 1.875
IPC_peptide 3.719
IPC2_peptide 3.846
IPC2.peptide.svr19 3.82
Protein with the highest isoelectric point:
>tr|A1KX01|A1KX01_9CAUD Uncharacterized protein OS=Staphylococcus virus phiETA2 OX=326036 PE=4 SV=1
MM1 pKa = 7.24 KK2 pKa = 9.65 MKK4 pKa = 10.67 VSILRR9 pKa = 11.84 IFHH12 pKa = 7.07 LLNLTKK18 pKa = 10.29 RR19 pKa = 11.84 AMMLLTNLFRR29 pKa = 11.84 RR30 pKa = 11.84 QISKK34 pKa = 10.54 KK35 pKa = 8.63 LKK37 pKa = 10.46 KK38 pKa = 9.13 ITGHH42 pKa = 5.48 NNKK45 pKa = 9.0 HH46 pKa = 4.63 QCLNKK51 pKa = 10.13 AIHH54 pKa = 6.45 LKK56 pKa = 10.61 AVANLDD62 pKa = 3.6 MTTKK66 pKa = 10.15 II67 pKa = 4.06
Molecular weight: 7.85 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.165
IPC2_protein 10.233
IPC_protein 11.389
Toseland 11.784
ProMoST 12.062
Dawson 11.798
Bjellqvist 11.652
Wikipedia 12.149
Rodwell 12.106
Grimsley 11.813
Solomon 12.149
Lehninger 12.076
Nozaki 11.754
DTASelect 11.652
Thurlkill 11.754
EMBOSS 12.223
Sillero 11.754
Patrickios 11.842
IPC_peptide 12.164
IPC2_peptide 11.038
IPC2.peptide.svr19 8.893
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
69
0
69
13744
48
1155
199.2
22.87
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.53 ± 0.409
0.495 ± 0.092
6.294 ± 0.305
7.807 ± 0.592
4.293 ± 0.234
5.588 ± 0.289
1.812 ± 0.166
7.516 ± 0.288
9.32 ± 0.333
7.509 ± 0.318
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.619 ± 0.165
6.861 ± 0.253
2.772 ± 0.224
3.718 ± 0.165
4.176 ± 0.269
5.85 ± 0.246
6.039 ± 0.307
6.155 ± 0.322
1.157 ± 0.196
4.489 ± 0.364
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