Staphylococcus phage phiJB
Average proteome isoelectric point is 6.56
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 70 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|A0A0N9BAZ6|A0A0N9BAZ6_9CAUD Uncharacterized protein OS=Staphylococcus phage phiJB OX=1698421 GN=phiJB_ORF35 PE=4 SV=1
MM1 pKa = 7.59 KK2 pKa = 10.23 KK3 pKa = 10.48 FNVQITYY10 pKa = 9.56 TGMIEE15 pKa = 3.91 EE16 pKa = 4.54 TIEE19 pKa = 4.21 AEE21 pKa = 4.2 SLEE24 pKa = 4.25 EE25 pKa = 4.61 AEE27 pKa = 5.29 FEE29 pKa = 4.14 ADD31 pKa = 3.22 VIARR35 pKa = 11.84 MEE37 pKa = 4.19 VPFDD41 pKa = 3.66 CDD43 pKa = 2.81 EE44 pKa = 4.26 YY45 pKa = 11.01 EE46 pKa = 4.04 IYY48 pKa = 11.11 VDD50 pKa = 4.7 VEE52 pKa = 4.21 QEE54 pKa = 3.46 NDD56 pKa = 2.98
Molecular weight: 6.6 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.865
IPC2_protein 3.681
IPC_protein 3.554
Toseland 3.389
ProMoST 3.617
Dawson 3.516
Bjellqvist 3.757
Wikipedia 3.427
Rodwell 3.401
Grimsley 3.312
Solomon 3.478
Lehninger 3.427
Nozaki 3.656
DTASelect 3.732
Thurlkill 3.439
EMBOSS 3.439
Sillero 3.668
Patrickios 1.761
IPC_peptide 3.478
IPC2_peptide 3.643
IPC2.peptide.svr19 3.707
Protein with the highest isoelectric point:
>tr|A0A0N9BAW8|A0A0N9BAW8_9CAUD Uncharacterized protein OS=Staphylococcus phage phiJB OX=1698421 GN=phiJB_ORF23 PE=4 SV=1
MM1 pKa = 7.57 SIVKK5 pKa = 10.22 INGKK9 pKa = 8.42 PYY11 pKa = 10.87 KK12 pKa = 9.54 FTEE15 pKa = 4.42 HH16 pKa = 6.09 EE17 pKa = 4.0 NEE19 pKa = 4.33 LIKK22 pKa = 11.15 KK23 pKa = 9.98 NGLTPGMVAKK33 pKa = 10.32 RR34 pKa = 11.84 VRR36 pKa = 11.84 GGWALLEE43 pKa = 4.48 ALHH46 pKa = 6.68 APYY49 pKa = 11.09 GMRR52 pKa = 11.84 LAEE55 pKa = 4.07 YY56 pKa = 10.46 KK57 pKa = 10.56 EE58 pKa = 4.03 IVLARR63 pKa = 11.84 IMQRR67 pKa = 11.84 EE68 pKa = 3.79 ARR70 pKa = 11.84 EE71 pKa = 3.84 RR72 pKa = 11.84 EE73 pKa = 3.86 IARR76 pKa = 11.84 QRR78 pKa = 11.84 RR79 pKa = 11.84 KK80 pKa = 9.29 EE81 pKa = 3.76 AEE83 pKa = 3.86 LRR85 pKa = 11.84 KK86 pKa = 10.04 KK87 pKa = 10.35 KK88 pKa = 9.92 PHH90 pKa = 6.47 LFNVPQKK97 pKa = 10.45 HH98 pKa = 4.8 PRR100 pKa = 11.84 GRR102 pKa = 11.84 YY103 pKa = 8.83 ACYY106 pKa = 10.52 LMEE109 pKa = 5.36 NDD111 pKa = 4.09 IFVKK115 pKa = 10.41 VKK117 pKa = 10.3 KK118 pKa = 10.51
Molecular weight: 13.94 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.23
IPC2_protein 9.604
IPC_protein 9.78
Toseland 10.526
ProMoST 10.116
Dawson 10.628
Bjellqvist 10.248
Wikipedia 10.76
Rodwell 11.125
Grimsley 10.672
Solomon 10.672
Lehninger 10.657
Nozaki 10.496
DTASelect 10.248
Thurlkill 10.511
EMBOSS 10.906
Sillero 10.54
Patrickios 10.847
IPC_peptide 10.672
IPC2_peptide 8.829
IPC2.peptide.svr19 8.686
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
70
0
70
13475
20
1047
192.5
22.06
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.677 ± 0.438
0.475 ± 0.08
6.36 ± 0.287
7.547 ± 0.539
4.453 ± 0.206
5.9 ± 0.351
1.803 ± 0.158
7.51 ± 0.206
9.321 ± 0.397
7.473 ± 0.278
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.701 ± 0.18
6.479 ± 0.277
2.783 ± 0.2
3.8 ± 0.216
4.045 ± 0.231
5.811 ± 0.334
5.974 ± 0.297
6.16 ± 0.341
1.143 ± 0.162
4.586 ± 0.403
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