Lake Sarah-associated circular virus-40
Average proteome isoelectric point is 8.09
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|A0A140AQQ2|A0A140AQQ2_9VIRU Coat protein OS=Lake Sarah-associated circular virus-40 OX=1685769 PE=4 SV=1
MM1 pKa = 7.85 EE2 pKa = 4.36 EE3 pKa = 3.92 TTTEE7 pKa = 3.86 KK8 pKa = 10.88 SVISTGGGPQSSRR21 pKa = 11.84 TWCGTLNNYY30 pKa = 8.68 SQGEE34 pKa = 4.32 YY35 pKa = 10.55 EE36 pKa = 4.66 FLVQEE41 pKa = 4.25 FNKK44 pKa = 9.72 VAEE47 pKa = 3.86 YY48 pKa = 9.79 WIIGKK53 pKa = 9.63 EE54 pKa = 3.9 KK55 pKa = 9.37 GQEE58 pKa = 4.22 GTPHH62 pKa = 6.59 LQMACSFTRR71 pKa = 11.84 AQKK74 pKa = 10.82 LNYY77 pKa = 9.47 LKK79 pKa = 10.85 QNLSVRR85 pKa = 11.84 AHH87 pKa = 5.65 WEE89 pKa = 3.79 ITKK92 pKa = 8.89 GTLDD96 pKa = 3.48 QNRR99 pKa = 11.84 VYY101 pKa = 10.85 CMKK104 pKa = 10.63 EE105 pKa = 3.28 GDD107 pKa = 4.03 YY108 pKa = 10.97 TEE110 pKa = 5.95 GGAPPVKK117 pKa = 10.24 KK118 pKa = 9.99 QGKK121 pKa = 7.51 RR122 pKa = 11.84 TDD124 pKa = 2.82 IEE126 pKa = 4.34 MAVEE130 pKa = 4.02 TLKK133 pKa = 10.63 ATGGDD138 pKa = 3.79 VQEE141 pKa = 4.65 MALTHH146 pKa = 6.28 PEE148 pKa = 4.0 AYY150 pKa = 9.77 VKK152 pKa = 10.86 YY153 pKa = 10.22 SSNFEE158 pKa = 4.13 KK159 pKa = 10.71 LAQRR163 pKa = 11.84 YY164 pKa = 4.84 QKK166 pKa = 10.87 KK167 pKa = 8.66 MRR169 pKa = 11.84 SSGSGYY175 pKa = 8.59 VHH177 pKa = 7.4 DD178 pKa = 5.52 RR179 pKa = 11.84 RR180 pKa = 11.84 VIWIYY185 pKa = 10.95 GPSGTGKK192 pKa = 7.95 TRR194 pKa = 11.84 YY195 pKa = 8.23 VHH197 pKa = 6.25 EE198 pKa = 5.27 KK199 pKa = 10.65 EE200 pKa = 5.01 LISNLWISGRR210 pKa = 11.84 DD211 pKa = 3.6 LRR213 pKa = 11.84 WWQSYY218 pKa = 10.77 DD219 pKa = 3.36 MEE221 pKa = 4.74 PAVLFDD227 pKa = 4.23 DD228 pKa = 5.23 FRR230 pKa = 11.84 GDD232 pKa = 3.03 FCKK235 pKa = 10.58 YY236 pKa = 10.31 HH237 pKa = 6.18 EE238 pKa = 5.03 LLRR241 pKa = 11.84 ILDD244 pKa = 4.48 RR245 pKa = 11.84 YY246 pKa = 9.59 QCTVEE251 pKa = 4.07 NKK253 pKa = 9.86 GGSVSLQNVKK263 pKa = 10.47 RR264 pKa = 11.84 IWITSCFHH272 pKa = 6.47 PRR274 pKa = 11.84 HH275 pKa = 5.97 VYY277 pKa = 8.23 DD278 pKa = 3.2 TRR280 pKa = 11.84 EE281 pKa = 4.65 DD282 pKa = 3.42 IEE284 pKa = 4.08 QLIRR288 pKa = 11.84 RR289 pKa = 11.84 IDD291 pKa = 4.1 KK292 pKa = 9.5 IWHH295 pKa = 5.1 FTSTTKK301 pKa = 10.61 TDD303 pKa = 3.24 VTNEE307 pKa = 3.53 KK308 pKa = 9.81 EE309 pKa = 4.44 YY310 pKa = 10.34 PGKK313 pKa = 9.87 PGGAAPDD320 pKa = 5.2 FITPLALVRR329 pKa = 11.84 TKK331 pKa = 10.98 AVIPEE336 pKa = 4.25 SPPTPTNSRR345 pKa = 11.84 PNSKK349 pKa = 10.05 RR350 pKa = 11.84 SSTIGTEE357 pKa = 3.51 LDD359 pKa = 3.45 MVISRR364 pKa = 11.84 GVATQPLVVLDD375 pKa = 3.82 SDD377 pKa = 4.33 EE378 pKa = 4.85 EE379 pKa = 4.43 EE380 pKa = 4.47 EE381 pKa = 5.99 LPGQPDD387 pKa = 3.79 SSWAASQWKK396 pKa = 9.57 RR397 pKa = 11.84 AVKK400 pKa = 10.29 KK401 pKa = 10.94 SEE403 pKa = 3.63
Molecular weight: 45.95 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 6.862
IPC2_protein 7.22
IPC_protein 7.205
Toseland 7.015
ProMoST 7.585
Dawson 7.878
Bjellqvist 8.068
Wikipedia 7.805
Rodwell 7.878
Grimsley 7.102
Solomon 7.951
Lehninger 7.98
Nozaki 8.244
DTASelect 7.98
Thurlkill 8.024
EMBOSS 8.112
Sillero 8.302
Patrickios 4.393
IPC_peptide 7.951
IPC2_peptide 7.205
IPC2.peptide.svr19 7.404
Protein with the highest isoelectric point:
>tr|A0A140AQQ2|A0A140AQQ2_9VIRU Coat protein OS=Lake Sarah-associated circular virus-40 OX=1685769 PE=4 SV=1
MM1 pKa = 7.23 PGKK4 pKa = 9.84 RR5 pKa = 11.84 RR6 pKa = 11.84 KK7 pKa = 9.82 YY8 pKa = 10.17 SLGSKK13 pKa = 9.32 AQIRR17 pKa = 11.84 KK18 pKa = 6.8 MARR21 pKa = 11.84 AYY23 pKa = 9.99 VRR25 pKa = 11.84 KK26 pKa = 9.69 KK27 pKa = 10.04 YY28 pKa = 9.37 RR29 pKa = 11.84 TGGVPVTRR37 pKa = 11.84 GAYY40 pKa = 8.96 NMRR43 pKa = 11.84 MPSEE47 pKa = 4.57 LKK49 pKa = 10.59 LSQNQTLGLTTLQNTPTIANNQLILLNSIAQGTDD83 pKa = 2.8 YY84 pKa = 7.56 TTRR87 pKa = 11.84 IGRR90 pKa = 11.84 TCLATSLQWNLEE102 pKa = 4.05 LFQAPGTTTSNNQIWVRR119 pKa = 11.84 AMVFCDD125 pKa = 3.37 RR126 pKa = 11.84 QPNGVEE132 pKa = 3.55 PSVFSDD138 pKa = 3.51 VLDD141 pKa = 3.49 STFRR145 pKa = 11.84 TEE147 pKa = 3.62 QAFRR151 pKa = 11.84 NLSNRR156 pKa = 11.84 DD157 pKa = 2.94 RR158 pKa = 11.84 FVIVANKK165 pKa = 8.07 VWSWSDD171 pKa = 2.81 WNTLQPEE178 pKa = 4.49 SLGCAKK184 pKa = 10.74 NGGPKK189 pKa = 9.49 RR190 pKa = 11.84 WAKK193 pKa = 9.75 YY194 pKa = 10.02 KK195 pKa = 10.38 KK196 pKa = 10.4 LNVEE200 pKa = 3.84 KK201 pKa = 9.43 TVYY204 pKa = 10.29 SGTSGGITNVQSCALFFAIWLVNTSGAVQANFAYY238 pKa = 10.43 RR239 pKa = 11.84 LRR241 pKa = 11.84 FVDD244 pKa = 5.09 FF245 pKa = 4.21
Molecular weight: 27.61 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.319
IPC2_protein 9.721
IPC_protein 10.218
Toseland 10.496
ProMoST 10.145
Dawson 10.628
Bjellqvist 10.306
Wikipedia 10.804
Rodwell 10.994
Grimsley 10.687
Solomon 10.687
Lehninger 10.657
Nozaki 10.496
DTASelect 10.306
Thurlkill 10.511
EMBOSS 10.891
Sillero 10.555
Patrickios 10.687
IPC_peptide 10.687
IPC2_peptide 9.253
IPC2.peptide.svr19 8.591
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
648
245
403
324.0
36.78
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.71 ± 0.934
1.543 ± 0.051
4.167 ± 0.747
6.019 ± 2.036
3.241 ± 0.712
7.253 ± 0.179
1.389 ± 0.792
4.475 ± 0.457
6.79 ± 0.614
7.099 ± 0.84
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.006 ± 0.02
4.938 ± 1.607
4.475 ± 0.457
5.093 ± 0.355
6.79 ± 0.55
7.562 ± 0.123
8.333 ± 0.369
6.481 ± 0.261
2.778 ± 0.045
3.858 ± 0.338
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