Cavia porcellus (Guinea pig)
Average proteome isoelectric point is 6.69
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 25080 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|H0W6Z4|H0W6Z4_CAVPO Vesicle-fusing ATPase OS=Cavia porcellus OX=10141 PE=3 SV=2
MM1 pKa = 7.66 EE2 pKa = 5.17 EE3 pKa = 4.0 NSVVLSEE10 pKa = 4.16 PLGLLLLPLIAMLLMVLCVRR30 pKa = 11.84 CRR32 pKa = 11.84 EE33 pKa = 4.06 LRR35 pKa = 11.84 GSYY38 pKa = 10.62 GSASEE43 pKa = 4.42 NRR45 pKa = 11.84 SQTEE49 pKa = 3.86 SFLFKK54 pKa = 8.96 PTQMLPSWSPYY65 pKa = 9.37 PSAPDD70 pKa = 3.43 PHH72 pKa = 8.07 LSQPDD77 pKa = 3.84 LLHH80 pKa = 6.79 IPRR83 pKa = 11.84 SPQLLLGSHH92 pKa = 6.8 RR93 pKa = 11.84 MPSSQQDD100 pKa = 3.01 SDD102 pKa = 3.88 GANSVASYY110 pKa = 10.49 EE111 pKa = 4.22 NQEE114 pKa = 4.42 VACEE118 pKa = 4.0 DD119 pKa = 3.58 ADD121 pKa = 4.09 KK122 pKa = 11.7 DD123 pKa = 3.96 EE124 pKa = 6.09 DD125 pKa = 3.96 EE126 pKa = 4.47 EE127 pKa = 5.18 DD128 pKa = 4.13 YY129 pKa = 11.41 PNEE132 pKa = 4.37 GYY134 pKa = 10.63 GGYY137 pKa = 9.87 VEE139 pKa = 5.11 VLPDD143 pKa = 3.62 STPATSTGVPSAPVPSNPGLRR164 pKa = 11.84 DD165 pKa = 3.14 SAFSMEE171 pKa = 3.88 SRR173 pKa = 11.84 DD174 pKa = 3.72 YY175 pKa = 11.42 VNVPEE180 pKa = 4.5 SEE182 pKa = 4.35 EE183 pKa = 4.03 SAEE186 pKa = 3.99 ASLDD190 pKa = 3.47 GSLEE194 pKa = 4.1 YY195 pKa = 11.41 VNVSQEE201 pKa = 4.04 LQPLPGTEE209 pKa = 4.06 PATLSSQEE217 pKa = 4.09 VEE219 pKa = 4.22 DD220 pKa = 4.94 EE221 pKa = 4.27 EE222 pKa = 6.16 DD223 pKa = 3.93 EE224 pKa = 4.4 EE225 pKa = 5.78 APDD228 pKa = 3.76 YY229 pKa = 11.72 EE230 pKa = 4.4 NVQEE234 pKa = 4.58 LSS236 pKa = 3.31
Molecular weight: 25.74 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.731
IPC2_protein 3.834
IPC_protein 3.795
Toseland 3.605
ProMoST 3.91
Dawson 3.745
Bjellqvist 3.897
Wikipedia 3.63
Rodwell 3.617
Grimsley 3.516
Solomon 3.745
Lehninger 3.694
Nozaki 3.859
DTASelect 3.999
Thurlkill 3.63
EMBOSS 3.643
Sillero 3.897
Patrickios 1.125
IPC_peptide 3.745
IPC2_peptide 3.884
IPC2.peptide.svr19 3.816
Protein with the highest isoelectric point:
>tr|A0A286XJT6|A0A286XJT6_CAVPO Chromosome 5 open reading frame 24 OS=Cavia porcellus OX=10141 GN=C5orf24 PE=3 SV=1
MM1 pKa = 7.1 RR2 pKa = 11.84 AKK4 pKa = 9.12 WRR6 pKa = 11.84 KK7 pKa = 9.1 KK8 pKa = 9.32 RR9 pKa = 11.84 MRR11 pKa = 11.84 RR12 pKa = 11.84 LKK14 pKa = 10.08 RR15 pKa = 11.84 KK16 pKa = 8.21 RR17 pKa = 11.84 RR18 pKa = 11.84 KK19 pKa = 8.46 MRR21 pKa = 11.84 QRR23 pKa = 11.84 SKK25 pKa = 11.41
Molecular weight: 3.46 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
18247
6833
25080
14117386
9
7286
562.9
62.77
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.013 ± 0.015
2.241 ± 0.014
4.856 ± 0.011
7.033 ± 0.02
3.71 ± 0.011
6.409 ± 0.02
2.588 ± 0.007
4.408 ± 0.013
5.684 ± 0.018
10.078 ± 0.021
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.183 ± 0.006
3.579 ± 0.008
6.14 ± 0.02
4.8 ± 0.014
5.634 ± 0.014
8.285 ± 0.021
5.306 ± 0.009
6.137 ± 0.011
1.192 ± 0.006
2.71 ± 0.01
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