Spiroplasma phage SkV1CR23x
Average proteome isoelectric point is 8.23
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 13 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|A8RHJ1|A8RHJ1_9VIRU Uncharacterized protein OS=Spiroplasma phage SkV1CR23x OX=2789014 PE=4 SV=1
MM1 pKa = 7.48 SLYY4 pKa = 10.38 DD5 pKa = 3.35 YY6 pKa = 9.68 WVQFVSYY13 pKa = 10.02 IIGANAPEE21 pKa = 4.16 FLYY24 pKa = 11.05 VISFVLFIVLFFGIFFKK41 pKa = 11.0 LIQKK45 pKa = 7.64 MWSFF49 pKa = 3.91
Molecular weight: 5.94 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 5.676
IPC2_protein 5.957
IPC_protein 6.561
Toseland 6.465
ProMoST 5.817
Dawson 6.326
Bjellqvist 5.817
Wikipedia 6.287
Rodwell 6.186
Grimsley 6.008
Solomon 6.825
Lehninger 6.795
Nozaki 6.059
DTASelect 6.351
Thurlkill 6.198
EMBOSS 6.465
Sillero 6.402
Patrickios 0.477
IPC_peptide 6.81
IPC2_peptide 6.084
IPC2.peptide.svr19 6.302
Protein with the highest isoelectric point:
>tr|A8RHK0|A8RHK0_9VIRU Uncharacterized protein OS=Spiroplasma phage SkV1CR23x OX=2789014 PE=4 SV=1
MM1 pKa = 7.81 INLLVEE7 pKa = 4.5 NNNSNWDD14 pKa = 3.76 KK15 pKa = 10.97 IFSFVFDD22 pKa = 3.42 IFLFIFDD29 pKa = 4.91 VIWNTKK35 pKa = 10.34 LPMTNTSIAYY45 pKa = 8.28 FLIFFMVIKK54 pKa = 10.38 LSIYY58 pKa = 9.85 AIHH61 pKa = 6.33 GTSTQYY67 pKa = 11.67 NNLGSTVNNGVSQIYY82 pKa = 10.29 SSTVRR87 pKa = 11.84 KK88 pKa = 9.63 GINVGKK94 pKa = 10.05 NVYY97 pKa = 10.03 QNSNKK102 pKa = 9.39 QQVKK106 pKa = 10.31 RR107 pKa = 11.84 EE108 pKa = 4.07 IKK110 pKa = 9.77 RR111 pKa = 11.84 QNIRR115 pKa = 11.84 QQAKK119 pKa = 8.93 IKK121 pKa = 10.5 RR122 pKa = 11.84 GVKK125 pKa = 9.69
Molecular weight: 14.52 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.203
IPC2_protein 9.794
IPC_protein 9.882
Toseland 10.452
ProMoST 10.087
Dawson 10.584
Bjellqvist 10.218
Wikipedia 10.73
Rodwell 11.199
Grimsley 10.643
Solomon 10.613
Lehninger 10.584
Nozaki 10.409
DTASelect 10.218
Thurlkill 10.452
EMBOSS 10.833
Sillero 10.496
Patrickios 10.935
IPC_peptide 10.613
IPC2_peptide 8.741
IPC2.peptide.svr19 8.722
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
13
0
13
2253
36
728
173.3
20.67
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
2.752 ± 0.221
0.577 ± 0.26
4.616 ± 0.585
4.439 ± 0.424
9.543 ± 0.478
4.172 ± 0.548
0.888 ± 0.207
10.031 ± 1.098
10.608 ± 1.04
9.809 ± 0.667
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.997 ± 0.467
9.055 ± 1.046
1.997 ± 0.179
3.418 ± 0.298
2.708 ± 0.303
5.459 ± 0.516
4.439 ± 0.415
5.326 ± 0.428
2.219 ± 0.322
5.948 ± 0.743
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