Lake Sarah-associated circular virus-20
Average proteome isoelectric point is 7.78
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 2 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|A0A126G9P4|A0A126G9P4_9VIRU Coat protein OS=Lake Sarah-associated circular virus-20 OX=1685747 PE=4 SV=1
MM1 pKa = 7.81 ADD3 pKa = 3.71 KK4 pKa = 9.76 STRR7 pKa = 11.84 WAFTAYY13 pKa = 7.01 EE14 pKa = 4.08 TQYY17 pKa = 10.89 PILDD21 pKa = 4.1 ALHH24 pKa = 6.19 KK25 pKa = 10.53 QSSEE29 pKa = 4.21 LIAEE33 pKa = 4.61 IGWQDD38 pKa = 3.98 EE39 pKa = 4.5 ICPKK43 pKa = 9.34 TGKK46 pKa = 8.8 HH47 pKa = 5.3 HH48 pKa = 5.88 RR49 pKa = 11.84 QGYY52 pKa = 8.0 VRR54 pKa = 11.84 TVRR57 pKa = 11.84 QVRR60 pKa = 11.84 FSQLRR65 pKa = 11.84 EE66 pKa = 3.79 IMPDD70 pKa = 2.64 IHH72 pKa = 8.45 LEE74 pKa = 3.96 KK75 pKa = 10.6 AKK77 pKa = 10.64 NWEE80 pKa = 3.82 ALINYY85 pKa = 6.83 CQKK88 pKa = 10.79 SATRR92 pKa = 11.84 DD93 pKa = 3.23 LSGAMVSAKK102 pKa = 9.91 FEE104 pKa = 4.21 RR105 pKa = 11.84 PLRR108 pKa = 11.84 LHH110 pKa = 6.85 EE111 pKa = 4.06 MLIDD115 pKa = 4.02 VAHH118 pKa = 7.17 HH119 pKa = 6.99 IYY121 pKa = 10.51 LSHH124 pKa = 7.65 RR125 pKa = 11.84 PGTKK129 pKa = 9.64 HH130 pKa = 6.38 AVCLDD135 pKa = 3.5 RR136 pKa = 11.84 QTDD139 pKa = 3.82 RR140 pKa = 11.84 QILLSYY146 pKa = 9.94 LRR148 pKa = 11.84 EE149 pKa = 3.8 YY150 pKa = 10.96 SAALVSAHH158 pKa = 6.93 PEE160 pKa = 3.92 YY161 pKa = 11.09 AVVLVRR167 pKa = 11.84 QDD169 pKa = 5.8 ARR171 pKa = 11.84 DD172 pKa = 3.16 AWCNYY177 pKa = 8.85 IEE179 pKa = 4.32 VWMHH183 pKa = 5.9 KK184 pKa = 10.43 AEE186 pKa = 3.96 QRR188 pKa = 11.84 EE189 pKa = 4.25 EE190 pKa = 4.26 GDD192 pKa = 3.69 EE193 pKa = 4.21 VQQ195 pKa = 4.91
Molecular weight: 22.83 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 6.443
IPC2_protein 6.351
IPC_protein 6.532
Toseland 6.795
ProMoST 6.839
Dawson 6.927
Bjellqvist 6.825
Wikipedia 6.942
Rodwell 6.912
Grimsley 6.942
Solomon 6.942
Lehninger 6.942
Nozaki 7.161
DTASelect 7.322
Thurlkill 7.351
EMBOSS 7.366
Sillero 7.322
Patrickios 4.202
IPC_peptide 6.956
IPC2_peptide 7.102
IPC2.peptide.svr19 6.956
Protein with the highest isoelectric point:
>tr|A0A126G9P4|A0A126G9P4_9VIRU Coat protein OS=Lake Sarah-associated circular virus-20 OX=1685747 PE=4 SV=1
MM1 pKa = 7.29 YY2 pKa = 10.63 KK3 pKa = 9.65 MVMAKK8 pKa = 10.02 RR9 pKa = 11.84 AFKK12 pKa = 10.15 PRR14 pKa = 11.84 RR15 pKa = 11.84 QPRR18 pKa = 11.84 RR19 pKa = 11.84 VPRR22 pKa = 11.84 APRR25 pKa = 11.84 LRR27 pKa = 11.84 RR28 pKa = 11.84 ARR30 pKa = 11.84 PTVEE34 pKa = 3.82 FASAKK39 pKa = 7.42 QTIALAQDD47 pKa = 3.04 AMNQVFRR54 pKa = 11.84 LDD56 pKa = 4.09 NIALAQFDD64 pKa = 4.03 RR65 pKa = 11.84 MVNIAKK71 pKa = 9.84 CYY73 pKa = 9.79 QYY75 pKa = 11.41 FRR77 pKa = 11.84 MTKK80 pKa = 9.73 VEE82 pKa = 4.76 LKK84 pKa = 8.51 FTPQMDD90 pKa = 3.71 TFTDD94 pKa = 3.64 SNLQSVPYY102 pKa = 10.05 LYY104 pKa = 11.28 YY105 pKa = 11.01 LITKK109 pKa = 9.64 GDD111 pKa = 3.8 NLDD114 pKa = 3.8 AGTFNKK120 pKa = 10.13 LRR122 pKa = 11.84 DD123 pKa = 3.74 AGAKK127 pKa = 10.07 GIRR130 pKa = 11.84 FDD132 pKa = 4.79 DD133 pKa = 4.17 KK134 pKa = 11.26 SINVNWRR141 pKa = 11.84 PAVLRR146 pKa = 11.84 GVIGEE151 pKa = 4.23 DD152 pKa = 2.97 TNAPVNPAFTAWAEE166 pKa = 4.28 AKK168 pKa = 9.05 TSPWLATSYY177 pKa = 11.0 LPAAQSIVWSPSAVPHH193 pKa = 6.25 KK194 pKa = 10.51 GILYY198 pKa = 10.18 GVEE201 pKa = 3.89 QDD203 pKa = 3.72 SSIDD207 pKa = 3.38 TKK209 pKa = 11.42 YY210 pKa = 11.04 YY211 pKa = 11.07 ALTLTAHH218 pKa = 6.34 FQFKK222 pKa = 10.45 KK223 pKa = 8.73 PQTYY227 pKa = 8.15 STTGVIDD234 pKa = 3.86 PGATVKK240 pKa = 10.48 QVIDD244 pKa = 3.49 KK245 pKa = 10.73 GDD247 pKa = 3.71 VVEE250 pKa = 5.75 LPLKK254 pKa = 10.01 MLEE257 pKa = 4.05
Molecular weight: 29.02 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.111
IPC2_protein 9.238
IPC_protein 9.209
Toseland 9.867
ProMoST 9.575
Dawson 10.087
Bjellqvist 9.765
Wikipedia 10.262
Rodwell 10.482
Grimsley 10.175
Solomon 10.116
Lehninger 10.072
Nozaki 9.853
DTASelect 9.765
Thurlkill 9.926
EMBOSS 10.277
Sillero 9.999
Patrickios 9.648
IPC_peptide 10.116
IPC2_peptide 8.302
IPC2.peptide.svr19 8.238
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
2
0
2
452
195
257
226.0
25.92
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.398 ± 0.427
1.106 ± 0.617
5.973 ± 0.217
5.088 ± 2.034
3.319 ± 1.162
3.761 ± 0.446
2.876 ± 1.804
5.088 ± 0.361
6.416 ± 0.84
7.965 ± 0.492
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.876 ± 0.204
2.876 ± 0.873
5.088 ± 1.313
5.531 ± 0.406
7.301 ± 0.59
5.088 ± 0.361
5.973 ± 1.221
6.858 ± 0.46
1.991 ± 0.374
4.425 ± 0.124
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