Mus musculus polyomavirus 2
Average proteome isoelectric point is 5.57
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 4 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|A2IBB5|A2IBB5_9POLY Minor capsid protein OS=Mus musculus polyomavirus 2 OX=1891770 GN=VP3 PE=3 SV=1
MM1 pKa = 7.63 APTVKK6 pKa = 9.86 KK7 pKa = 10.62 RR8 pKa = 11.84 SVAKK12 pKa = 9.86 PRR14 pKa = 11.84 PKK16 pKa = 9.99 PSEE19 pKa = 4.01 VPKK22 pKa = 10.63 LIVVGGIQVLDD33 pKa = 3.72 VRR35 pKa = 11.84 TGPDD39 pKa = 3.32 SITQIEE45 pKa = 4.54 AFLNPRR51 pKa = 11.84 MGQPVDD57 pKa = 3.17 SDD59 pKa = 4.17 FYY61 pKa = 11.45 GFSDD65 pKa = 4.82 NITVSADD72 pKa = 3.22 YY73 pKa = 8.99 TQDD76 pKa = 2.91 MPRR79 pKa = 11.84 IKK81 pKa = 10.19 EE82 pKa = 4.05 LPCYY86 pKa = 10.78 SMAKK90 pKa = 9.84 ISLPMLNEE98 pKa = 4.64 DD99 pKa = 3.95 MTCDD103 pKa = 3.74 TILMWEE109 pKa = 4.8 AISCKK114 pKa = 9.66 TEE116 pKa = 3.86 VVGVSSLTNCHH127 pKa = 5.87 SAVKK131 pKa = 10.12 RR132 pKa = 11.84 LYY134 pKa = 10.45 DD135 pKa = 3.48 NEE137 pKa = 4.36 GAGFPVQGLNFHH149 pKa = 6.83 FFSVGGEE156 pKa = 3.94 ALDD159 pKa = 3.56 LQMVVEE165 pKa = 5.05 NYY167 pKa = 9.11 RR168 pKa = 11.84 CKK170 pKa = 10.91 YY171 pKa = 7.66 PAGVAALQAAPKK183 pKa = 9.3 AAQVLDD189 pKa = 4.09 PKK191 pKa = 11.02 LKK193 pKa = 10.87 AKK195 pKa = 9.1 LTADD199 pKa = 3.18 GKK201 pKa = 11.03 FPIEE205 pKa = 4.08 AWSPDD210 pKa = 3.33 PAKK213 pKa = 10.98 NEE215 pKa = 3.57 NTRR218 pKa = 11.84 YY219 pKa = 9.81 FGTYY223 pKa = 8.95 TGGLQTPPVLQITNTTTTILLNEE246 pKa = 4.48 NGVGPLCKK254 pKa = 10.17 GDD256 pKa = 3.96 GLYY259 pKa = 10.57 LASADD264 pKa = 2.93 IVGFRR269 pKa = 11.84 TQQNNKK275 pKa = 5.22 MHH277 pKa = 6.34 FRR279 pKa = 11.84 GLPRR283 pKa = 11.84 YY284 pKa = 9.57 FSITLRR290 pKa = 11.84 KK291 pKa = 9.53 RR292 pKa = 11.84 LVKK295 pKa = 10.54 NPYY298 pKa = 9.07 PVSSLLNTLFSEE310 pKa = 4.5 MMPQIDD316 pKa = 4.07 GQKK319 pKa = 9.32 MEE321 pKa = 5.04 GEE323 pKa = 4.23 DD324 pKa = 3.56 AQVEE328 pKa = 4.36 EE329 pKa = 4.05 VRR331 pKa = 11.84 IYY333 pKa = 11.17 DD334 pKa = 3.6 GVEE337 pKa = 3.91 RR338 pKa = 11.84 LPGDD342 pKa = 3.64 PDD344 pKa = 3.65 MIRR347 pKa = 11.84 YY348 pKa = 8.92 RR349 pKa = 11.84 DD350 pKa = 3.45 KK351 pKa = 10.71 FGQEE355 pKa = 3.53 VTVPDD360 pKa = 3.82 IPSNEE365 pKa = 3.83 AA366 pKa = 2.98
Molecular weight: 40.44 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 5.355
IPC2_protein 5.512
IPC_protein 5.461
Toseland 5.461
ProMoST 5.639
Dawson 5.499
Bjellqvist 5.601
Wikipedia 5.41
Rodwell 5.436
Grimsley 5.41
Solomon 5.499
Lehninger 5.474
Nozaki 5.652
DTASelect 5.83
Thurlkill 5.537
EMBOSS 5.512
Sillero 5.728
Patrickios 4.164
IPC_peptide 5.512
IPC2_peptide 5.715
IPC2.peptide.svr19 5.816
Protein with the highest isoelectric point:
>tr|A2IBB2|A2IBB2_9POLY Small t antigen OS=Mus musculus polyomavirus 2 OX=1891770 GN=tAg PE=4 SV=1
MM1 pKa = 7.81 DD2 pKa = 4.18 HH3 pKa = 6.6 QLTRR7 pKa = 11.84 EE8 pKa = 3.73 EE9 pKa = 4.49 SQRR12 pKa = 11.84 LMHH15 pKa = 6.93 LLKK18 pKa = 10.89 LPMEE22 pKa = 4.45 QYY24 pKa = 11.84 GNFPLMRR31 pKa = 11.84 KK32 pKa = 9.54 AFLRR36 pKa = 11.84 ACKK39 pKa = 9.54 IVHH42 pKa = 6.61 PDD44 pKa = 3.02 KK45 pKa = 11.35 GGSDD49 pKa = 3.77 EE50 pKa = 5.34 LSQEE54 pKa = 4.36 LISLYY59 pKa = 10.33 RR60 pKa = 11.84 RR61 pKa = 11.84 LEE63 pKa = 3.8 EE64 pKa = 4.71 SLPCLSTQDD73 pKa = 4.68 FIEE76 pKa = 4.14 TDD78 pKa = 2.93 ILQIPSYY85 pKa = 9.06 GTPEE89 pKa = 3.44 WDD91 pKa = 3.42 EE92 pKa = 3.5 WWKK95 pKa = 10.81 EE96 pKa = 3.78 FNKK99 pKa = 10.86 DD100 pKa = 3.04 FDD102 pKa = 4.59 LFCNEE107 pKa = 4.07 AFDD110 pKa = 5.51 RR111 pKa = 11.84 SDD113 pKa = 5.36 DD114 pKa = 3.95 EE115 pKa = 5.69 QEE117 pKa = 4.13 PQPDD121 pKa = 3.53 DD122 pKa = 3.73 SAPSSSRR129 pKa = 11.84 PPTPPGSQATPPKK142 pKa = 9.87 KK143 pKa = 9.42 KK144 pKa = 10.92 AKK146 pKa = 9.08 MDD148 pKa = 3.87 SPNDD152 pKa = 3.51 MPADD156 pKa = 3.4 LMEE159 pKa = 4.54 YY160 pKa = 9.82 LSCAILSNKK169 pKa = 9.33 TITCFLIYY177 pKa = 7.83 TTLEE181 pKa = 3.97 KK182 pKa = 10.95 SEE184 pKa = 4.3 LLYY187 pKa = 11.35 NKK189 pKa = 10.09 LSEE192 pKa = 4.24 KK193 pKa = 10.15 YY194 pKa = 9.15 KK195 pKa = 9.79 PRR197 pKa = 11.84 FISRR201 pKa = 11.84 HH202 pKa = 4.98 KK203 pKa = 11.14 YY204 pKa = 9.16 EE205 pKa = 4.44 GNSLIFIITGTKK217 pKa = 9.62 HH218 pKa = 5.52 RR219 pKa = 11.84 VSAVFNYY226 pKa = 9.48 CATYY230 pKa = 10.33 CSVSFIVVKK239 pKa = 10.3 GVIKK243 pKa = 9.98 EE244 pKa = 4.04 YY245 pKa = 10.34 PLYY248 pKa = 10.78 CHH250 pKa = 7.33 LCVEE254 pKa = 5.15 PYY256 pKa = 10.58 SVLQEE261 pKa = 4.37 SIEE264 pKa = 4.28 GGLNSEE270 pKa = 4.78 FFDD273 pKa = 4.78 APEE276 pKa = 4.24 DD277 pKa = 3.49 AAKK280 pKa = 10.32 NVNWVAISEE289 pKa = 4.34 YY290 pKa = 10.72 ALKK293 pKa = 10.55 INCDD297 pKa = 4.12 DD298 pKa = 3.99 IYY300 pKa = 11.58 LLMGLYY306 pKa = 10.09 KK307 pKa = 10.25 EE308 pKa = 4.59 FQSPVPNCSKK318 pKa = 10.8 CEE320 pKa = 3.79 NRR322 pKa = 11.84 MLTNHH327 pKa = 6.16 FKK329 pKa = 10.46 FHH331 pKa = 7.06 KK332 pKa = 9.05 EE333 pKa = 3.5 HH334 pKa = 7.05 HH335 pKa = 6.35 EE336 pKa = 4.01 NALLFAACRR345 pKa = 11.84 NQKK348 pKa = 8.25 TICQQAVDD356 pKa = 3.95 GVIAQRR362 pKa = 11.84 RR363 pKa = 11.84 VDD365 pKa = 3.75 MAQMTRR371 pKa = 11.84 NEE373 pKa = 3.73 QLAARR378 pKa = 11.84 FDD380 pKa = 3.78 KK381 pKa = 10.93 LFEE384 pKa = 4.2 RR385 pKa = 11.84 LEE387 pKa = 4.62 VILSAQSSYY396 pKa = 9.85 TISMFMAGIVWFEE409 pKa = 3.82 NLFPGQSFKK418 pKa = 11.48 DD419 pKa = 3.53 LLLEE423 pKa = 4.22 LLEE426 pKa = 4.74 CMVSNIPKK434 pKa = 9.07 RR435 pKa = 11.84 RR436 pKa = 11.84 YY437 pKa = 8.45 WLFTGPVNTGKK448 pKa = 7.5 TTLAAAVLDD457 pKa = 4.08 LCGGKK462 pKa = 9.79 ALNINMPFDD471 pKa = 3.7 KK472 pKa = 11.05 LNFEE476 pKa = 4.93 LGVAIDD482 pKa = 3.29 QFMVVFEE489 pKa = 4.43 DD490 pKa = 3.6 VKK492 pKa = 11.02 GQKK495 pKa = 9.5 SEE497 pKa = 4.59 NKK499 pKa = 9.81 DD500 pKa = 3.53 LPPGQGINNLDD511 pKa = 3.91 NLRR514 pKa = 11.84 DD515 pKa = 3.9 HH516 pKa = 7.37 LDD518 pKa = 3.48 GAVKK522 pKa = 10.63 VNLEE526 pKa = 4.2 KK527 pKa = 10.85 KK528 pKa = 9.73 HH529 pKa = 6.21 LNKK532 pKa = 9.17 KK533 pKa = 6.38 TQIFPPGIVTCNEE546 pKa = 3.51 YY547 pKa = 10.7 FIPFTLRR554 pKa = 11.84 VRR556 pKa = 11.84 FCKK559 pKa = 10.5 KK560 pKa = 10.3 LVFKK564 pKa = 10.48 FSKK567 pKa = 10.14 YY568 pKa = 9.87 QYY570 pKa = 10.83 LSLKK574 pKa = 9.16 KK575 pKa = 8.41 TEE577 pKa = 3.95 CLGRR581 pKa = 11.84 YY582 pKa = 9.44 RR583 pKa = 11.84 ILQNGCTLLLLLIYY597 pKa = 10.57 HH598 pKa = 7.26 CDD600 pKa = 3.48 LDD602 pKa = 5.24 DD603 pKa = 4.13 FAEE606 pKa = 4.59 SIQGKK611 pKa = 8.22 VRR613 pKa = 11.84 AWKK616 pKa = 10.01 EE617 pKa = 3.82 RR618 pKa = 11.84 VNSEE622 pKa = 3.92 ISVSTYY628 pKa = 11.01 LEE630 pKa = 3.87 MRR632 pKa = 11.84 QCCLEE637 pKa = 4.11 GKK639 pKa = 10.19 DD640 pKa = 3.43 ILSARR645 pKa = 11.84 NTQMPTQHH653 pKa = 6.52 NEE655 pKa = 3.35
Molecular weight: 75.34 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 5.784
IPC2_protein 5.881
IPC_protein 5.919
Toseland 6.122
ProMoST 6.198
Dawson 6.198
Bjellqvist 6.224
Wikipedia 6.198
Rodwell 6.186
Grimsley 6.198
Solomon 6.198
Lehninger 6.198
Nozaki 6.478
DTASelect 6.634
Thurlkill 6.649
EMBOSS 6.62
Sillero 6.576
Patrickios 3.986
IPC_peptide 6.211
IPC2_peptide 6.491
IPC2.peptide.svr19 6.528
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
0
4
1386
160
655
346.5
39.56
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.916 ± 1.035
2.958 ± 0.977
5.628 ± 0.24
6.566 ± 0.502
4.69 ± 0.614
5.339 ± 0.893
1.804 ± 0.384
5.051 ± 0.547
6.349 ± 0.877
10.75 ± 0.959
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.886 ± 0.306
4.762 ± 0.513
5.916 ± 0.759
4.762 ± 0.533
4.834 ± 0.417
6.205 ± 0.387
4.762 ± 0.554
5.267 ± 0.998
1.443 ± 0.56
4.113 ± 0.611
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