False black widow spider associated circular virus 1
Average proteome isoelectric point is 7.62
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|A0A346BPE8|A0A346BPE8_9VIRU Putative capsid protein OS=False black widow spider associated circular virus 1 OX=2293279 PE=4 SV=1
MM1 pKa = 7.57 SRR3 pKa = 11.84 GRR5 pKa = 11.84 NWLFTEE11 pKa = 4.47 NNPTLNPNDD20 pKa = 3.66 FLEE23 pKa = 4.52 SAKK26 pKa = 10.71 LWDD29 pKa = 3.54 HH30 pKa = 5.18 VRR32 pKa = 11.84 YY33 pKa = 10.0 IIFQQEE39 pKa = 3.93 TGEE42 pKa = 4.75 GGTSHH47 pKa = 5.67 YY48 pKa = 10.16 QGYY51 pKa = 9.47 VEE53 pKa = 4.96 FSQPIRR59 pKa = 11.84 FAKK62 pKa = 8.92 VTGFLPRR69 pKa = 11.84 AHH71 pKa = 6.55 WEE73 pKa = 3.86 MRR75 pKa = 11.84 RR76 pKa = 11.84 GTSAQCIEE84 pKa = 4.5 YY85 pKa = 10.29 CSKK88 pKa = 11.12 LDD90 pKa = 3.65 TRR92 pKa = 11.84 VDD94 pKa = 4.17 GPWTYY99 pKa = 11.41 GDD101 pKa = 4.52 PGFSSQGSRR110 pKa = 11.84 SDD112 pKa = 3.23 LSGAIEE118 pKa = 3.91 ALRR121 pKa = 11.84 EE122 pKa = 4.23 GGLKK126 pKa = 10.14 RR127 pKa = 11.84 LRR129 pKa = 11.84 EE130 pKa = 4.6 DD131 pKa = 3.44 CPEE134 pKa = 4.06 VYY136 pKa = 10.19 VKK138 pKa = 8.17 YY139 pKa = 10.48 HH140 pKa = 6.74 RR141 pKa = 11.84 GLHH144 pKa = 4.49 QLYY147 pKa = 9.97 NAEE150 pKa = 4.21 LPSRR154 pKa = 11.84 PRR156 pKa = 11.84 APDD159 pKa = 3.08 VHH161 pKa = 8.3 LLFGPPGCGKK171 pKa = 8.28 TRR173 pKa = 11.84 FFYY176 pKa = 10.84 DD177 pKa = 3.77 NYY179 pKa = 10.13 PNSPSLAVTDD189 pKa = 4.66 GFWFDD194 pKa = 4.0 GYY196 pKa = 10.97 SGEE199 pKa = 4.75 DD200 pKa = 3.0 SVLIDD205 pKa = 5.2 DD206 pKa = 4.74 YY207 pKa = 11.67 DD208 pKa = 4.06 GKK210 pKa = 10.92 ASRR213 pKa = 11.84 WTLSNLLRR221 pKa = 11.84 ILDD224 pKa = 3.96 RR225 pKa = 11.84 YY226 pKa = 9.88 SIQVPIKK233 pKa = 10.64 GGFTPWIPTRR243 pKa = 11.84 IFITSNLHH251 pKa = 5.08 PSNWYY256 pKa = 9.98 DD257 pKa = 3.24 YY258 pKa = 9.85 SQRR261 pKa = 11.84 QQRR264 pKa = 11.84 YY265 pKa = 5.75 QALSRR270 pKa = 11.84 RR271 pKa = 11.84 FTRR274 pKa = 11.84 VTWWSSLQDD283 pKa = 4.06 SEE285 pKa = 5.92 DD286 pKa = 3.67 LTPDD290 pKa = 3.26 SPRR293 pKa = 11.84 WEE295 pKa = 4.51 HH296 pKa = 6.29 FWAGPEE302 pKa = 4.06 SAQRR306 pKa = 11.84 SLDD309 pKa = 3.35 IDD311 pKa = 3.58 SGRR314 pKa = 11.84 LISRR318 pKa = 11.84 PPDD321 pKa = 3.35 SEE323 pKa = 4.42 FSFF326 pKa = 4.39
Molecular weight: 37.69 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 5.93
IPC2_protein 5.906
IPC_protein 5.982
Toseland 6.376
ProMoST 6.326
Dawson 6.275
Bjellqvist 6.262
Wikipedia 6.287
Rodwell 6.262
Grimsley 6.517
Solomon 6.275
Lehninger 6.275
Nozaki 6.532
DTASelect 6.737
Thurlkill 6.751
EMBOSS 6.722
Sillero 6.649
Patrickios 4.088
IPC_peptide 6.287
IPC2_peptide 6.634
IPC2.peptide.svr19 6.566
Protein with the highest isoelectric point:
>tr|A0A346BPE8|A0A346BPE8_9VIRU Putative capsid protein OS=False black widow spider associated circular virus 1 OX=2293279 PE=4 SV=1
MM1 pKa = 6.97 VRR3 pKa = 11.84 YY4 pKa = 9.24 SRR6 pKa = 11.84 KK7 pKa = 9.06 RR8 pKa = 11.84 SFGRR12 pKa = 11.84 RR13 pKa = 11.84 RR14 pKa = 11.84 TFRR17 pKa = 11.84 RR18 pKa = 11.84 RR19 pKa = 11.84 NGLRR23 pKa = 11.84 FKK25 pKa = 10.59 RR26 pKa = 11.84 RR27 pKa = 11.84 VYY29 pKa = 10.2 RR30 pKa = 11.84 RR31 pKa = 11.84 RR32 pKa = 11.84 TFRR35 pKa = 11.84 GRR37 pKa = 11.84 ARR39 pKa = 11.84 GMQRR43 pKa = 11.84 IQRR46 pKa = 11.84 RR47 pKa = 11.84 RR48 pKa = 11.84 YY49 pKa = 8.41 PVNNPFGDD57 pKa = 3.72 KK58 pKa = 10.43 IFVKK62 pKa = 10.0 FRR64 pKa = 11.84 CTTGGNLQAPSVAAPSAGQTWNLNDD89 pKa = 4.28 LGTAVGNGGAPGLEE103 pKa = 4.25 EE104 pKa = 3.84 YY105 pKa = 11.06 SLLFKK110 pKa = 10.58 RR111 pKa = 11.84 YY112 pKa = 9.01 RR113 pKa = 11.84 ITGAKK118 pKa = 9.62 VKK120 pKa = 9.04 VTIYY124 pKa = 10.97 NEE126 pKa = 3.82 VSSDD130 pKa = 3.68 VFNVDD135 pKa = 3.73 PAWGFITASSDD146 pKa = 3.66 AIDD149 pKa = 3.45 MSDD152 pKa = 3.31 YY153 pKa = 10.82 HH154 pKa = 8.75 LSDD157 pKa = 3.24 IQHH160 pKa = 6.07 LRR162 pKa = 11.84 WVKK165 pKa = 10.15 YY166 pKa = 10.28 KK167 pKa = 10.36 PLNNWTSGARR177 pKa = 11.84 ATTISAYY184 pKa = 10.22 FSCLKK189 pKa = 10.77 VFGADD194 pKa = 2.97 RR195 pKa = 11.84 TIPDD199 pKa = 4.39 DD200 pKa = 4.37 LDD202 pKa = 3.58 YY203 pKa = 11.04 TATTNSAGTPFYY215 pKa = 8.67 NTPSITAGVGWGVVKK230 pKa = 10.85 ANASNWGASEE240 pKa = 5.29 SIGQYY245 pKa = 7.44 TQTVTYY251 pKa = 9.7 YY252 pKa = 10.73 AQLWDD257 pKa = 4.09 PEE259 pKa = 4.37 LGQTNVV265 pKa = 2.94
Molecular weight: 29.89 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.313
IPC2_protein 9.882
IPC_protein 10.672
Toseland 10.409
ProMoST 10.218
Dawson 10.613
Bjellqvist 10.365
Wikipedia 10.847
Rodwell 10.789
Grimsley 10.701
Solomon 10.672
Lehninger 10.628
Nozaki 10.394
DTASelect 10.365
Thurlkill 10.467
EMBOSS 10.818
Sillero 10.526
Patrickios 10.35
IPC_peptide 10.672
IPC2_peptide 9.355
IPC2.peptide.svr19 8.413
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
591
265
326
295.5
33.79
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.922 ± 1.662
1.015 ± 0.182
6.091 ± 0.828
3.723 ± 1.282
5.245 ± 0.237
8.46 ± 0.416
1.692 ± 0.654
4.23 ± 0.055
3.215 ± 0.654
6.937 ± 1.155
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
0.846 ± 0.2
4.569 ± 1.026
5.753 ± 1.119
3.892 ± 0.346
9.645 ± 0.643
8.799 ± 1.137
6.768 ± 1.334
4.907 ± 1.316
3.215 ± 0.4
5.076 ± 0.144
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