bacterium 1XD8-76
Average proteome isoelectric point is 6.01
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 3768 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|A0A3A9EV71|A0A3A9EV71_9BACT Uncharacterized protein OS=bacterium 1XD8-76 OX=2320115 GN=D7X98_19615 PE=4 SV=1
MM1 pKa = 7.61 KK2 pKa = 10.44 KK3 pKa = 10.24 LFSVTLTGVVAFGLIACGNNAEE25 pKa = 4.18 EE26 pKa = 4.68 APAEE30 pKa = 4.04 EE31 pKa = 4.45 SSRR34 pKa = 11.84 TEE36 pKa = 3.84 SAEE39 pKa = 4.05 EE40 pKa = 4.0 PGSEE44 pKa = 4.08 AEE46 pKa = 4.33 EE47 pKa = 4.26 PASEE51 pKa = 3.96 EE52 pKa = 4.17 AEE54 pKa = 4.19 GGEE57 pKa = 4.35 EE58 pKa = 4.93 VTLEE62 pKa = 3.97 WQQWWAVEE70 pKa = 4.0 APEE73 pKa = 5.82 GYY75 pKa = 8.62 VQNMVDD81 pKa = 3.68 KK82 pKa = 9.93 YY83 pKa = 10.44 YY84 pKa = 10.7 EE85 pKa = 4.0 EE86 pKa = 3.98 TGVRR90 pKa = 11.84 VEE92 pKa = 4.44 LLSAPFADD100 pKa = 3.58 TKK102 pKa = 8.88 TQIVSGVSTGTVADD116 pKa = 3.63 IVSVDD121 pKa = 3.58 GSWVYY126 pKa = 11.45 DD127 pKa = 3.81 FADD130 pKa = 3.42 QGVLTNMSTLMDD142 pKa = 4.62 SIGFDD147 pKa = 3.04 KK148 pKa = 10.87 SLPASTWDD156 pKa = 3.79 VNGSTYY162 pKa = 10.95 AVPVLNFAYY171 pKa = 9.85 PMFANQDD178 pKa = 3.38 ILDD181 pKa = 4.08 EE182 pKa = 4.85 CGVTEE187 pKa = 5.73 LPKK190 pKa = 9.41 TWSDD194 pKa = 3.88 FEE196 pKa = 4.44 EE197 pKa = 4.68 VCQKK201 pKa = 10.42 IVDD204 pKa = 3.61 KK205 pKa = 11.09 GYY207 pKa = 10.91 YY208 pKa = 9.57 PYY210 pKa = 11.46 ALNLDD215 pKa = 3.81 TSSPSGIQNVYY226 pKa = 9.91 MGFAWASDD234 pKa = 2.45 IKK236 pKa = 10.63 MKK238 pKa = 11.13 NEE240 pKa = 4.34 DD241 pKa = 3.55 GNFDD245 pKa = 3.68 VVNNPEE251 pKa = 4.08 LKK253 pKa = 10.37 EE254 pKa = 3.62 YY255 pKa = 11.21 AEE257 pKa = 4.67 WIKK260 pKa = 11.09 SLNDD264 pKa = 2.99 KK265 pKa = 10.99 GYY267 pKa = 9.19 IYY269 pKa = 10.48 PGMSSLTEE277 pKa = 3.52 TDD279 pKa = 3.18 MTSKK283 pKa = 10.51 FSSGNICFIINSAAAITAWRR303 pKa = 11.84 ADD305 pKa = 3.71 APDD308 pKa = 4.34 LNLTAAPIPVKK319 pKa = 10.76 DD320 pKa = 4.23 DD321 pKa = 3.48 FTGEE325 pKa = 3.98 SGMCVANWSLGITEE339 pKa = 4.11 NSEE342 pKa = 4.13 HH343 pKa = 7.26 KK344 pKa = 10.44 EE345 pKa = 3.6 EE346 pKa = 3.94 AMKK349 pKa = 10.71 FIEE352 pKa = 4.19 WLLNADD358 pKa = 4.45 DD359 pKa = 5.38 GGVCADD365 pKa = 4.34 LAVTQTAFPNSTLAKK380 pKa = 9.16 PDD382 pKa = 3.67 YY383 pKa = 11.18 SNGDD387 pKa = 3.44 PVFQDD392 pKa = 3.19 VYY394 pKa = 11.94 AMYY397 pKa = 10.58 QSGYY401 pKa = 9.17 PYY403 pKa = 11.22 NEE405 pKa = 3.63 FTGMKK410 pKa = 8.8 EE411 pKa = 3.99 ANTIMTDD418 pKa = 3.78 YY419 pKa = 10.72 IDD421 pKa = 4.25 EE422 pKa = 4.69 LVTYY426 pKa = 9.55 MDD428 pKa = 4.88 GDD430 pKa = 3.93 TDD432 pKa = 3.36 VDD434 pKa = 3.75 TFMSNLQEE442 pKa = 4.33 TLDD445 pKa = 3.79 EE446 pKa = 4.77 VYY448 pKa = 11.08 GKK450 pKa = 10.58
Molecular weight: 49.43 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.721
IPC2_protein 3.783
IPC_protein 3.783
Toseland 3.579
ProMoST 3.923
Dawson 3.757
Bjellqvist 3.91
Wikipedia 3.656
Rodwell 3.617
Grimsley 3.49
Solomon 3.757
Lehninger 3.706
Nozaki 3.859
DTASelect 4.062
Thurlkill 3.617
EMBOSS 3.668
Sillero 3.897
Patrickios 0.909
IPC_peptide 3.757
IPC2_peptide 3.884
IPC2.peptide.svr19 3.8
Protein with the highest isoelectric point:
>tr|A0A3A9FKK9|A0A3A9FKK9_9BACT DeoR/GlpR transcriptional regulator OS=bacterium 1XD8-76 OX=2320115 GN=D7X98_01990 PE=4 SV=1
MM1 pKa = 7.67 KK2 pKa = 8.72 MTFQPKK8 pKa = 8.95 KK9 pKa = 7.58 RR10 pKa = 11.84 QRR12 pKa = 11.84 SKK14 pKa = 9.17 VHH16 pKa = 5.89 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MSTPGGRR28 pKa = 11.84 KK29 pKa = 8.71 VLAARR34 pKa = 11.84 RR35 pKa = 11.84 RR36 pKa = 11.84 KK37 pKa = 9.05 GRR39 pKa = 11.84 KK40 pKa = 8.89 RR41 pKa = 11.84 LSAA44 pKa = 3.96
Molecular weight: 5.15 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.517
IPC2_protein 11.213
IPC_protein 12.793
Toseland 12.969
ProMoST 13.451
Dawson 12.969
Bjellqvist 12.954
Wikipedia 13.437
Rodwell 12.705
Grimsley 12.998
Solomon 13.451
Lehninger 13.364
Nozaki 12.969
DTASelect 12.954
Thurlkill 12.969
EMBOSS 13.466
Sillero 12.969
Patrickios 12.427
IPC_peptide 13.466
IPC2_peptide 12.442
IPC2.peptide.svr19 9.142
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
3768
0
3768
1202740
26
1765
319.2
35.88
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.739 ± 0.042
1.586 ± 0.015
5.466 ± 0.03
8.318 ± 0.048
4.177 ± 0.031
7.424 ± 0.038
1.613 ± 0.014
7.034 ± 0.038
6.384 ± 0.038
9.052 ± 0.038
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.183 ± 0.02
3.998 ± 0.028
3.246 ± 0.022
3.088 ± 0.02
5.122 ± 0.036
5.591 ± 0.031
4.978 ± 0.026
6.783 ± 0.033
0.996 ± 0.015
4.222 ± 0.027
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