Dictyostelium purpureum (Slime mold)
Average proteome isoelectric point is 6.56
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 12347 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|F0Z754|F0Z754_DICPU Expressed protein (Fragment) OS=Dictyostelium purpureum OX=5786 GN=DICPUDRAFT_71378 PE=4 SV=1
MM1 pKa = 7.45 NGAKK5 pKa = 10.49 VNTTFINLFLKK16 pKa = 10.59 EE17 pKa = 4.02 FLIGLNRR24 pKa = 11.84 VDD26 pKa = 5.18 LKK28 pKa = 11.5 VIFCGCSSGGFNTEE42 pKa = 3.78 NGSEE46 pKa = 4.22 GEE48 pKa = 4.15 NNEE51 pKa = 4.1 EE52 pKa = 4.77 EE53 pKa = 4.26 EE54 pKa = 5.93 DD55 pKa = 5.0 GDD57 pKa = 4.87 DD58 pKa = 4.63 DD59 pKa = 5.07 HH60 pKa = 9.1 NGYY63 pKa = 10.33 DD64 pKa = 4.98 DD65 pKa = 5.51 HH66 pKa = 8.85 DD67 pKa = 5.74 HH68 pKa = 7.91 DD69 pKa = 5.78 DD70 pKa = 4.26 ADD72 pKa = 5.38 DD73 pKa = 4.56 GGDD76 pKa = 3.55 YY77 pKa = 10.9 DD78 pKa = 6.32 AEE80 pKa = 6.21 DD81 pKa = 5.0 GDD83 pKa = 5.78 HH84 pKa = 7.79 DD85 pKa = 4.96 DD86 pKa = 5.3 ADD88 pKa = 4.61 DD89 pKa = 4.68 GGDD92 pKa = 3.78 YY93 pKa = 11.14 DD94 pKa = 5.84 SDD96 pKa = 4.57 DD97 pKa = 5.1 DD98 pKa = 5.65 GDD100 pKa = 5.43 HH101 pKa = 7.24 EE102 pKa = 5.46 DD103 pKa = 4.17 HH104 pKa = 7.84 DD105 pKa = 4.9 DD106 pKa = 5.31 DD107 pKa = 5.43 EE108 pKa = 5.42 RR109 pKa = 11.84 ADD111 pKa = 3.99 YY112 pKa = 11.15 DD113 pKa = 5.15 DD114 pKa = 4.51 EE115 pKa = 5.75 RR116 pKa = 11.84 ADD118 pKa = 3.96 HH119 pKa = 7.28 DD120 pKa = 4.93 HH121 pKa = 7.99 DD122 pKa = 5.89 DD123 pKa = 4.04 DD124 pKa = 4.57 HH125 pKa = 8.59 KK126 pKa = 11.31 GAYY129 pKa = 9.16 FCWLYY134 pKa = 10.33 STTIYY139 pKa = 10.75 FSTTDD144 pKa = 3.86 GIKK147 pKa = 10.16 RR148 pKa = 11.84 VITIIYY154 pKa = 9.47 RR155 pKa = 11.84 IYY157 pKa = 10.98
Molecular weight: 17.76 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.67
IPC2_protein 3.706
IPC_protein 3.757
Toseland 3.516
ProMoST 3.935
Dawson 3.757
Bjellqvist 3.91
Wikipedia 3.732
Rodwell 3.579
Grimsley 3.414
Solomon 3.757
Lehninger 3.719
Nozaki 3.872
DTASelect 4.177
Thurlkill 3.579
EMBOSS 3.732
Sillero 3.884
Patrickios 1.278
IPC_peptide 3.745
IPC2_peptide 3.859
IPC2.peptide.svr19 3.776
Protein with the highest isoelectric point:
>tr|F0ZWX1|F0ZWX1_DICPU Uncharacterized protein (Fragment) OS=Dictyostelium purpureum OX=5786 GN=DICPUDRAFT_156568 PE=4 SV=1
MM1 pKa = 7.61 KK2 pKa = 10.68 GNGKK6 pKa = 7.37 PTTVIKK12 pKa = 10.59 LQAKK16 pKa = 8.47 PAGAAPPPHH25 pKa = 6.79 SAQPPQPPQARR36 pKa = 11.84 PVSQIQNRR44 pKa = 11.84 PPPSTKK50 pKa = 9.2 WQFTIAGGQPHH61 pKa = 7.51 PPMNRR66 pKa = 11.84 PPPPVAGGQPHH77 pKa = 7.27 PPMNRR82 pKa = 11.84 PPPPGQPPMNRR93 pKa = 11.84 PPPPGQPPMNRR104 pKa = 11.84 PPPPGQPRR112 pKa = 11.84 PPPPGQPNMPPRR124 pKa = 11.84 PVSQMNGGAPTVGGGVGGPPPKK146 pKa = 9.41 PQRR149 pKa = 11.84 PGVPPPPGQPNMPPRR164 pKa = 11.84 PMTQPPNGAAPPPKK178 pKa = 9.22 PQRR181 pKa = 11.84 PGAGPPLPPRR191 pKa = 4.11
Molecular weight: 19.63 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.525
IPC2_protein 11.301
IPC_protein 12.881
Toseland 13.056
ProMoST 13.539
Dawson 13.056
Bjellqvist 13.042
Wikipedia 13.525
Rodwell 12.749
Grimsley 13.086
Solomon 13.539
Lehninger 13.451
Nozaki 13.042
DTASelect 13.042
Thurlkill 13.042
EMBOSS 13.554
Sillero 13.042
Patrickios 12.486
IPC_peptide 13.554
IPC2_peptide 12.53
IPC2.peptide.svr19 9.2
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
12347
0
12347
5964926
49
9355
483.1
55.03
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
3.447 ± 0.02
1.471 ± 0.012
5.289 ± 0.016
6.214 ± 0.025
4.94 ± 0.017
4.403 ± 0.022
1.88 ± 0.011
8.317 ± 0.022
7.928 ± 0.024
8.998 ± 0.025
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.608 ± 0.008
9.333 ± 0.042
4.181 ± 0.022
4.512 ± 0.026
3.0 ± 0.015
9.462 ± 0.032
5.664 ± 0.021
4.702 ± 0.018
0.753 ± 0.006
3.901 ± 0.016
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