Drosophila guanche (Fruit fly)
Average proteome isoelectric point is 6.7
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 17569 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|A0A3B0KFM7|A0A3B0KFM7_DROGU Blast:Gamma-tubulin complex component 3 OS=Drosophila guanche OX=7266 GN=DGUA_6G014315 PE=4 SV=1
MM1 pKa = 7.43 KK2 pKa = 10.19 LAFIFMSVQLMLLATSLNARR22 pKa = 11.84 RR23 pKa = 11.84 CIRR26 pKa = 11.84 PTTTTTSTPKK36 pKa = 8.49 TTDD39 pKa = 3.83 DD40 pKa = 3.94 EE41 pKa = 4.89 PSDD44 pKa = 3.97 EE45 pKa = 4.75 SSDD48 pKa = 3.59 SSGEE52 pKa = 3.89 ITNAPSDD59 pKa = 3.93 PTGEE63 pKa = 4.6 TTGSTPDD70 pKa = 3.69 PTSKK74 pKa = 9.38 PTDD77 pKa = 3.69 APSDD81 pKa = 3.73 PTGEE85 pKa = 4.53 TTGSPSDD92 pKa = 3.69 PTIEE96 pKa = 4.22 PTDD99 pKa = 3.98 APSDD103 pKa = 3.91 PTGKK107 pKa = 9.88 PSDD110 pKa = 4.37 APSDD114 pKa = 3.94 PPGEE118 pKa = 4.48 TTGPPSDD125 pKa = 3.87 ATDD128 pKa = 3.61 MPTDD132 pKa = 3.8 APSNPTGKK140 pKa = 8.42 PTDD143 pKa = 4.09 APSDD147 pKa = 3.92 PPGEE151 pKa = 4.38 TTNAAPDD158 pKa = 3.91 PSRR161 pKa = 11.84 EE162 pKa = 3.81 TSAAPSDD169 pKa = 3.67 PTDD172 pKa = 3.56 ASGVPADD179 pKa = 4.09 TTQTTTPPPAIDD191 pKa = 4.57 SDD193 pKa = 4.5 AACQAHH199 pKa = 6.9 PGVHH203 pKa = 6.04 YY204 pKa = 10.63 LPNPYY209 pKa = 9.86 DD210 pKa = 3.37 CHH212 pKa = 8.95 KK213 pKa = 10.86 YY214 pKa = 9.15 IQCEE218 pKa = 4.19 GNVGHH223 pKa = 7.3 IHH225 pKa = 6.3 TCPADD230 pKa = 4.1 LYY232 pKa = 9.07 WNSIALTCDD241 pKa = 3.52 TVCQQ245 pKa = 3.72
Molecular weight: 25.18 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.72
IPC2_protein 3.808
IPC_protein 3.834
Toseland 3.605
ProMoST 4.012
Dawson 3.846
Bjellqvist 3.999
Wikipedia 3.795
Rodwell 3.656
Grimsley 3.516
Solomon 3.834
Lehninger 3.795
Nozaki 3.948
DTASelect 4.24
Thurlkill 3.668
EMBOSS 3.808
Sillero 3.961
Patrickios 1.914
IPC_peptide 3.821
IPC2_peptide 3.935
IPC2.peptide.svr19 3.847
Protein with the highest isoelectric point:
>tr|A0A3B0JPY2|A0A3B0JPY2_DROGU Isoform of A0A3B0JPP2 Blast:Sorbitol dehydrogenase OS=Drosophila guanche OX=7266 GN=DGUA_6G016714 PE=3 SV=1
MM1 pKa = 7.64 RR2 pKa = 11.84 ADD4 pKa = 5.5 LIANSNLTRR13 pKa = 11.84 RR14 pKa = 11.84 RR15 pKa = 11.84 SGSSTRR21 pKa = 11.84 RR22 pKa = 11.84 SSSAVGGLRR31 pKa = 11.84 QRR33 pKa = 11.84 LGNRR37 pKa = 11.84 RR38 pKa = 11.84 PSVGGASEE46 pKa = 3.83 RR47 pKa = 11.84 VEE49 pKa = 3.72 RR50 pKa = 11.84 HH51 pKa = 3.59 QRR53 pKa = 11.84 QLIKK57 pKa = 10.34 QQQQQYY63 pKa = 10.35 HH64 pKa = 5.83 LQQTRR69 pKa = 11.84 GRR71 pKa = 11.84 SRR73 pKa = 11.84 SRR75 pKa = 11.84 SRR77 pKa = 11.84 SRR79 pKa = 11.84 LPQVNARR86 pKa = 11.84 IDD88 pKa = 3.43 RR89 pKa = 11.84 SRR91 pKa = 11.84 SQSRR95 pKa = 11.84 GRR97 pKa = 11.84 SAAPQFNRR105 pKa = 11.84 TRR107 pKa = 11.84 SQSRR111 pKa = 11.84 TRR113 pKa = 11.84 GGRR116 pKa = 11.84 DD117 pKa = 2.92 RR118 pKa = 11.84 RR119 pKa = 11.84 PQSGTRR125 pKa = 11.84 AGQQTPRR132 pKa = 11.84 VSVKK136 pKa = 9.64 QRR138 pKa = 11.84 LGVRR142 pKa = 11.84 PGQGRR147 pKa = 11.84 GGAGARR153 pKa = 11.84 TRR155 pKa = 11.84 AGANQAKK162 pKa = 8.27 NQRR165 pKa = 11.84 RR166 pKa = 11.84 APSKK170 pKa = 10.39 LRR172 pKa = 11.84 GVAGGRR178 pKa = 11.84 VEE180 pKa = 4.29 KK181 pKa = 10.56 RR182 pKa = 11.84 RR183 pKa = 11.84 NANPTQKK190 pKa = 10.52 GVSASLAGRR199 pKa = 11.84 RR200 pKa = 11.84 GRR202 pKa = 11.84 PRR204 pKa = 11.84 GRR206 pKa = 11.84 SVARR210 pKa = 11.84 AAAAAGGGAASGSNGASTRR229 pKa = 11.84 RR230 pKa = 11.84 SRR232 pKa = 11.84 SRR234 pKa = 11.84 NRR236 pKa = 11.84 PAAAAVAAAAATPGRR251 pKa = 11.84 ANNTRR256 pKa = 11.84 NRR258 pKa = 11.84 RR259 pKa = 11.84 GRR261 pKa = 11.84 SAGAVKK267 pKa = 10.68 GSGAKK272 pKa = 9.59 GAAANKK278 pKa = 10.0 NGNKK282 pKa = 10.04 SNASKK287 pKa = 11.2 GKK289 pKa = 7.19 TNKK292 pKa = 9.21 GRR294 pKa = 11.84 PGGGGKK300 pKa = 9.46 PGPQQQQARR309 pKa = 11.84 RR310 pKa = 11.84 GRR312 pKa = 11.84 SRR314 pKa = 11.84 TRR316 pKa = 11.84 AGRR319 pKa = 11.84 QAPGKK324 pKa = 10.14 SVTSHH329 pKa = 6.18 EE330 pKa = 4.24 AHH332 pKa = 6.51 SS333 pKa = 3.73
Molecular weight: 35.18 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.478
IPC2_protein 11.082
IPC_protein 12.647
Toseland 12.808
ProMoST 13.305
Dawson 12.808
Bjellqvist 12.808
Wikipedia 13.29
Rodwell 12.413
Grimsley 12.852
Solomon 13.305
Lehninger 13.217
Nozaki 12.808
DTASelect 12.808
Thurlkill 12.808
EMBOSS 13.305
Sillero 12.808
Patrickios 12.12
IPC_peptide 13.32
IPC2_peptide 12.296
IPC2.peptide.svr19 9.135
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
13413
4156
17569
10893509
14
17223
620.0
68.92
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.811 ± 0.026
1.913 ± 0.027
5.114 ± 0.017
6.386 ± 0.024
3.355 ± 0.014
6.18 ± 0.023
2.73 ± 0.011
4.696 ± 0.016
5.381 ± 0.026
8.987 ± 0.029
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.355 ± 0.01
4.602 ± 0.013
5.611 ± 0.029
5.466 ± 0.029
5.484 ± 0.015
8.428 ± 0.027
5.824 ± 0.02
5.813 ± 0.015
0.971 ± 0.007
2.895 ± 0.013
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