LI polyomavirus
Average proteome isoelectric point is 6.15
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 5 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|A0A1W2KRP8|A0A1W2KRP8_9POLY Minor capsid protein VP2 OS=LI polyomavirus OX=1965344 GN=VP3 PE=3 SV=1
MM1 pKa = 7.59 GGFISLVLSVAEE13 pKa = 4.17 IATEE17 pKa = 4.26 LSAATGFAVDD27 pKa = 5.14 AIVSGEE33 pKa = 3.75 ALAAIEE39 pKa = 4.68 AEE41 pKa = 4.63 VASLMTIEE49 pKa = 4.59 GLSGAEE55 pKa = 3.89 ALAQLGYY62 pKa = 8.71 TAEE65 pKa = 4.09 QFSNFSLVSSLMNQAIGYY83 pKa = 7.22 GTLFQTVTGVSSLVAAGIKK102 pKa = 10.41 LSLQDD107 pKa = 3.17 RR108 pKa = 11.84 SIIVTPLSPGSRR120 pKa = 11.84 NNIPGMSSTLTLKK133 pKa = 10.03 GHH135 pKa = 6.7 PRR137 pKa = 11.84 LALEE141 pKa = 5.05 FYY143 pKa = 10.47 IDD145 pKa = 3.69 PLNYY149 pKa = 9.03 NHH151 pKa = 6.79 SMLNVLGQKK160 pKa = 9.43 LWEE163 pKa = 4.91 SIAEE167 pKa = 3.98 EE168 pKa = 4.39 HH169 pKa = 6.07 KK170 pKa = 9.93 TLGIYY175 pKa = 7.34 TNKK178 pKa = 10.35 GKK180 pKa = 10.28 LLEE183 pKa = 4.05 LARR186 pKa = 11.84 WEE188 pKa = 4.32 VRR190 pKa = 11.84 GQNSNNLSGNMVYY203 pKa = 10.26 FPPPNGGANQQTCPDD218 pKa = 3.52 WLLPLVLGLSGTVTSTWEE236 pKa = 3.86 NLQDD240 pKa = 3.91 GPQEE244 pKa = 4.01 KK245 pKa = 10.67 SFF247 pKa = 3.78
Molecular weight: 26.26 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.749
IPC2_protein 4.813
IPC_protein 4.685
Toseland 4.571
ProMoST 4.762
Dawson 4.609
Bjellqvist 4.762
Wikipedia 4.431
Rodwell 4.533
Grimsley 4.482
Solomon 4.609
Lehninger 4.558
Nozaki 4.724
DTASelect 4.8
Thurlkill 4.546
EMBOSS 4.469
Sillero 4.8
Patrickios 3.77
IPC_peptide 4.622
IPC2_peptide 4.8
IPC2.peptide.svr19 4.743
Protein with the highest isoelectric point:
>tr|A0A1U9VWX0|A0A1U9VWX0_9POLY Isoform of A0A1U9VWR9 Small T antigen OS=LI polyomavirus OX=1965344 GN=T PE=4 SV=1
MM1 pKa = 7.84 DD2 pKa = 5.27 AVLTTPEE9 pKa = 3.9 RR10 pKa = 11.84 RR11 pKa = 11.84 QLCLLLDD18 pKa = 4.19 ISPQEE23 pKa = 4.12 YY24 pKa = 11.11 GNIPLMKK31 pKa = 10.24 NAFKK35 pKa = 10.67 KK36 pKa = 10.65 ACLKK40 pKa = 10.04 HH41 pKa = 7.02 HH42 pKa = 7.19 PDD44 pKa = 3.31 KK45 pKa = 11.65 GGDD48 pKa = 3.65 PVLMMQLNSLWGKK61 pKa = 8.03 FTTSLTEE68 pKa = 3.99 ARR70 pKa = 11.84 ASTYY74 pKa = 9.69 QASTLFWEE82 pKa = 4.9 IDD84 pKa = 3.55 NPLKK88 pKa = 10.94 NLLGPVIKK96 pKa = 10.42 RR97 pKa = 11.84 PFLKK101 pKa = 10.46 SPHH104 pKa = 6.64 CINSKK109 pKa = 10.28 FYY111 pKa = 9.86 NCRR114 pKa = 11.84 CIVCSLSDD122 pKa = 3.2 QHH124 pKa = 8.06 SSLKK128 pKa = 10.26 ILQKK132 pKa = 10.33 KK133 pKa = 9.06 KK134 pKa = 9.74 CLIWGEE140 pKa = 4.44 CYY142 pKa = 10.24 CYY144 pKa = 10.88 YY145 pKa = 10.95 CFVTWFGLPGNSATFEE161 pKa = 4.35 DD162 pKa = 4.86 YY163 pKa = 11.34 KK164 pKa = 11.58 NLILEE169 pKa = 4.21 MDD171 pKa = 3.42 VDD173 pKa = 5.45 LLNLHH178 pKa = 6.77 CC179 pKa = 5.94
Molecular weight: 20.55 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 7.371
IPC2_protein 7.439
IPC_protein 7.293
Toseland 6.825
ProMoST 7.922
Dawson 7.98
Bjellqvist 8.448
Wikipedia 7.878
Rodwell 7.995
Grimsley 6.839
Solomon 8.039
Lehninger 8.068
Nozaki 8.785
DTASelect 8.126
Thurlkill 8.17
EMBOSS 8.2
Sillero 8.551
Patrickios 3.528
IPC_peptide 8.039
IPC2_peptide 7.658
IPC2.peptide.svr19 7.579
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
4
1
5
1832
171
800
366.4
41.01
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.568 ± 0.889
2.566 ± 0.7
4.694 ± 0.668
6.332 ± 0.707
4.367 ± 0.675
6.496 ± 1.082
1.965 ± 0.206
4.585 ± 0.599
6.55 ± 0.882
10.753 ± 1.335
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.293 ± 0.164
6.332 ± 0.523
6.987 ± 1.011
4.094 ± 0.24
4.039 ± 0.639
7.205 ± 1.164
5.841 ± 0.432
4.967 ± 0.947
1.419 ± 0.236
2.948 ± 0.485
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