Drosophila sechellia (Fruit fly)
Average proteome isoelectric point is 6.81
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 16138 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|B4I0V5|B4I0V5_DROSE GM12668 OS=Drosophila sechellia OX=7238 GN=Dsec\GM12668 PE=4 SV=1
MM1 pKa = 7.94 VYY3 pKa = 9.87 IVHH6 pKa = 6.58 NKK8 pKa = 10.06 DD9 pKa = 5.28 DD10 pKa = 4.93 LDD12 pKa = 3.86 QQLTLAEE19 pKa = 4.75 DD20 pKa = 3.63 KK21 pKa = 11.19 LVVIDD26 pKa = 7.67 FYY28 pKa = 11.88 ADD30 pKa = 2.63 WCGPCKK36 pKa = 10.27 IIAPKK41 pKa = 10.59 LEE43 pKa = 4.14 EE44 pKa = 4.08 LAEE47 pKa = 4.16 QYY49 pKa = 10.83 SDD51 pKa = 2.91 RR52 pKa = 11.84 VVVLKK57 pKa = 11.24 VNVDD61 pKa = 3.48 EE62 pKa = 5.41 NEE64 pKa = 4.9 DD65 pKa = 3.19 ITVEE69 pKa = 4.09 YY70 pKa = 9.83 KK71 pKa = 10.66 VNSMPTFVFIKK82 pKa = 10.57 GGDD85 pKa = 3.65 VLEE88 pKa = 4.76 LLVGCNSDD96 pKa = 3.7 KK97 pKa = 10.7 LAKK100 pKa = 10.51 LMEE103 pKa = 4.29 EE104 pKa = 3.96 HH105 pKa = 6.69 AGVYY109 pKa = 7.38 TSCVEE114 pKa = 5.19 DD115 pKa = 4.67 IIDD118 pKa = 4.46 DD119 pKa = 3.9 EE120 pKa = 5.32 SIADD124 pKa = 3.81 EE125 pKa = 4.33 NAACSDD131 pKa = 3.74 SDD133 pKa = 4.29 NDD135 pKa = 4.63 NDD137 pKa = 3.98 NTNDD141 pKa = 3.69 NTNDD145 pKa = 3.49 NYY147 pKa = 11.45 NDD149 pKa = 3.63 NDD151 pKa = 3.97 DD152 pKa = 4.19 DD153 pKa = 6.47 ADD155 pKa = 4.05 VIFCEE160 pKa = 5.1 VSAHH164 pKa = 7.09 DD165 pKa = 3.85 EE166 pKa = 4.28 DD167 pKa = 5.52 SVLEE171 pKa = 4.21 HH172 pKa = 6.97
Molecular weight: 19.26 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.69
IPC2_protein 3.694
IPC_protein 3.706
Toseland 3.49
ProMoST 3.872
Dawson 3.706
Bjellqvist 3.859
Wikipedia 3.656
Rodwell 3.528
Grimsley 3.389
Solomon 3.694
Lehninger 3.656
Nozaki 3.821
DTASelect 4.075
Thurlkill 3.541
EMBOSS 3.656
Sillero 3.834
Patrickios 1.163
IPC_peptide 3.694
IPC2_peptide 3.808
IPC2.peptide.svr19 3.751
Protein with the highest isoelectric point:
>tr|B4HXN7|B4HXN7_DROSE GM16005 OS=Drosophila sechellia OX=7238 GN=Dsec\GM16005 PE=4 SV=1
MM1 pKa = 7.64 KK2 pKa = 10.56 LFIALSVLVAMASALPQFGGNANANANANANAQGGFGGFGGRR44 pKa = 11.84 PGFGGGPGFGGGPGFGGSPGFAGRR68 pKa = 11.84 PGFGAGPGFGGGPGFGGRR86 pKa = 11.84 PGFGGGPGFGGGPGFGGRR104 pKa = 11.84 PGFGGGPGFGGGSSSASASSSASASGGGRR133 pKa = 11.84 GGAGSASASSSANASGNRR151 pKa = 11.84 FGG153 pKa = 5.19
Molecular weight: 13.41 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.437
IPC2_protein 10.935
IPC_protein 12.544
Toseland 12.705
ProMoST 13.203
Dawson 12.705
Bjellqvist 12.705
Wikipedia 13.173
Rodwell 12.281
Grimsley 12.749
Solomon 13.203
Lehninger 13.1
Nozaki 12.705
DTASelect 12.705
Thurlkill 12.705
EMBOSS 13.203
Sillero 12.705
Patrickios 12.047
IPC_peptide 13.203
IPC2_peptide 12.193
IPC2.peptide.svr19 9.121
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
16134
4
16138
7110928
8
14551
440.6
49.11
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.423 ± 0.024
1.934 ± 0.026
5.16 ± 0.017
6.348 ± 0.022
3.573 ± 0.015
6.1 ± 0.024
2.675 ± 0.014
4.868 ± 0.015
5.544 ± 0.023
9.166 ± 0.025
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.39 ± 0.011
4.614 ± 0.014
5.477 ± 0.026
5.122 ± 0.028
5.644 ± 0.018
8.27 ± 0.027
5.598 ± 0.019
5.916 ± 0.017
1.032 ± 0.007
2.978 ± 0.012
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