McMurdo Ice Shelf pond-associated circular DNA virus-4
Average proteome isoelectric point is 7.58
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 3 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|A0A075LYS2|A0A075LYS2_9VIRU Replication-associated protein OS=McMurdo Ice Shelf pond-associated circular DNA virus-4 OX=1521388 PE=4 SV=1
MM1 pKa = 7.3 SACEE5 pKa = 3.81 TGGVLVHH12 pKa = 6.94 AEE14 pKa = 4.12 GLASVHH20 pKa = 6.2 SPGVVDD26 pKa = 4.85 FDD28 pKa = 3.99 VLFVCDD34 pKa = 3.1 VRR36 pKa = 11.84 TRR38 pKa = 11.84 VAEE41 pKa = 3.97 LKK43 pKa = 10.45 VRR45 pKa = 11.84 SEE47 pKa = 4.16 RR48 pKa = 11.84 LVVSEE53 pKa = 4.55 DD54 pKa = 3.43 TSDD57 pKa = 3.48 DD58 pKa = 3.15 KK59 pKa = 11.4 HH60 pKa = 7.17 RR61 pKa = 11.84 KK62 pKa = 8.83 VLTSVEE68 pKa = 3.98 FLQVCIRR75 pKa = 11.84 QVRR78 pKa = 11.84 VVVVFHH84 pKa = 7.59 DD85 pKa = 3.83 SGLGKK90 pKa = 10.26 LVEE93 pKa = 4.08 QLEE96 pKa = 4.38 RR97 pKa = 11.84 RR98 pKa = 11.84 SWFHH102 pKa = 5.47 VVRR105 pKa = 11.84 LHH107 pKa = 7.45 LGDD110 pKa = 5.62 LEE112 pKa = 4.54 VLDD115 pKa = 4.59 KK116 pKa = 11.52 LDD118 pKa = 3.58 VLEE121 pKa = 4.1 QTVRR125 pKa = 11.84 LGDD128 pKa = 3.74 SAGGTLYY135 pKa = 11.06 LVDD138 pKa = 4.42 SVHH141 pKa = 7.2 SSVTEE146 pKa = 3.97 TVVVSQKK153 pKa = 10.76 AALNNRR159 pKa = 11.84 LEE161 pKa = 4.45 CAEE164 pKa = 3.98 GRR166 pKa = 11.84 TDD168 pKa = 3.27 LHH170 pKa = 7.5 RR171 pKa = 11.84 GDD173 pKa = 4.39 VLADD177 pKa = 3.39 SAAVVYY183 pKa = 9.96 HH184 pKa = 6.31 ISSMVRR190 pKa = 11.84 HH191 pKa = 5.82 VGYY194 pKa = 8.57 LTGNLVRR201 pKa = 11.84 EE202 pKa = 4.26 AGIPRR207 pKa = 11.84 CLGSIDD213 pKa = 3.5 VVGDD217 pKa = 3.1 VRR219 pKa = 11.84 EE220 pKa = 3.99 NVGIVRR226 pKa = 11.84 RR227 pKa = 11.84 HH228 pKa = 3.82 QQGRR232 pKa = 11.84 ARR234 pKa = 11.84 CLTVGVVLAVPVAHH248 pKa = 6.2 QCPCGGAVDD257 pKa = 5.35 LIEE260 pKa = 5.1 IEE262 pKa = 4.46 EE263 pKa = 4.14 VHH265 pKa = 5.9 TRR267 pKa = 11.84 CLVRR271 pKa = 11.84 IDD273 pKa = 3.89 GLVLSSYY280 pKa = 10.82 DD281 pKa = 3.44 VQNALSEE288 pKa = 4.51 SSASSGGSSLVGAGGALAGAEE309 pKa = 4.19 LSCRR313 pKa = 11.84 SSTT316 pKa = 3.97
Molecular weight: 33.82 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 5.587
IPC2_protein 5.499
IPC_protein 5.537
Toseland 5.906
ProMoST 5.868
Dawson 5.779
Bjellqvist 5.792
Wikipedia 5.779
Rodwell 5.753
Grimsley 6.046
Solomon 5.779
Lehninger 5.766
Nozaki 6.033
DTASelect 6.224
Thurlkill 6.224
EMBOSS 6.186
Sillero 6.135
Patrickios 4.088
IPC_peptide 5.792
IPC2_peptide 6.16
IPC2.peptide.svr19 6.044
Protein with the highest isoelectric point:
>tr|A0A075LZ76|A0A075LZ76_9VIRU Uncharacterized protein OS=McMurdo Ice Shelf pond-associated circular DNA virus-4 OX=1521388 PE=4 SV=1
MM1 pKa = 6.94 YY2 pKa = 10.17 RR3 pKa = 11.84 PRR5 pKa = 11.84 RR6 pKa = 11.84 TTNVGPTGSNPGLAIQRR23 pKa = 11.84 LVFGSRR29 pKa = 11.84 ARR31 pKa = 11.84 EE32 pKa = 3.73 EE33 pKa = 4.33 DD34 pKa = 3.7 SPAVSQGSQAKK45 pKa = 9.34 KK46 pKa = 9.78 RR47 pKa = 11.84 RR48 pKa = 11.84 LSRR51 pKa = 11.84 SGGWAKK57 pKa = 10.53 EE58 pKa = 3.6 NRR60 pKa = 11.84 TRR62 pKa = 11.84 IPLYY66 pKa = 10.28 SSDD69 pKa = 3.59 MAKK72 pKa = 10.54 SSIKK76 pKa = 10.3 RR77 pKa = 11.84 SGSRR81 pKa = 11.84 IAKK84 pKa = 9.25 RR85 pKa = 11.84 RR86 pKa = 11.84 YY87 pKa = 7.09 TKK89 pKa = 10.45 RR90 pKa = 11.84 STKK93 pKa = 10.01 GRR95 pKa = 11.84 TRR97 pKa = 11.84 RR98 pKa = 11.84 PLSRR102 pKa = 11.84 ARR104 pKa = 11.84 PTRR107 pKa = 11.84 KK108 pKa = 8.94 FRR110 pKa = 11.84 TRR112 pKa = 11.84 KK113 pKa = 9.9 SPARR117 pKa = 11.84 SYY119 pKa = 10.98 KK120 pKa = 9.93 RR121 pKa = 11.84 RR122 pKa = 11.84 STGGRR127 pKa = 11.84 GGFAKK132 pKa = 10.17 RR133 pKa = 11.84 VLNVVTRR140 pKa = 11.84 QNQAINTYY148 pKa = 8.0 KK149 pKa = 10.2 TSRR152 pKa = 11.84 VDD154 pKa = 5.5 FFDD157 pKa = 4.62 LNQVDD162 pKa = 4.1 GSTARR167 pKa = 11.84 ALVCYY172 pKa = 9.8 RR173 pKa = 11.84 NCKK176 pKa = 10.22 NYY178 pKa = 10.92 ANGQAPGTALLMPTDD193 pKa = 4.84 DD194 pKa = 3.93 PHH196 pKa = 8.83 ILTDD200 pKa = 3.33 IANNIDD206 pKa = 3.21 ASKK209 pKa = 6.81 TTRR212 pKa = 11.84 YY213 pKa = 7.52 TRR215 pKa = 11.84 LAYY218 pKa = 9.42 KK219 pKa = 10.67 VSGKK223 pKa = 7.22 VTNMSNHH230 pKa = 6.15 AADD233 pKa = 3.65 VVHH236 pKa = 5.63 YY237 pKa = 9.28 RR238 pKa = 11.84 CRR240 pKa = 11.84 VRR242 pKa = 11.84 KK243 pKa = 9.41 DD244 pKa = 3.32 VPPVQVGSTLGTFQTIVQSGFLGNNNGLGNAAVDD278 pKa = 4.27 GVNQVQGASCTIPQAYY294 pKa = 10.2 SLFEE298 pKa = 3.56 NVQFVKK304 pKa = 10.33 HH305 pKa = 5.84 FKK307 pKa = 7.46 ITKK310 pKa = 9.03 VKK312 pKa = 7.12 THH314 pKa = 5.82 HH315 pKa = 6.49 MEE317 pKa = 4.2 PASSFKK323 pKa = 10.85 LFYY326 pKa = 10.45 KK327 pKa = 10.43 LSKK330 pKa = 9.87 PRR332 pKa = 11.84 VVKK335 pKa = 10.99 HH336 pKa = 6.26 NDD338 pKa = 3.05 YY339 pKa = 11.11 TNLTNAYY346 pKa = 9.29 LQEE349 pKa = 4.56 LYY351 pKa = 10.55 GGQYY355 pKa = 10.22 FSVFVIRR362 pKa = 11.84 GVLGYY367 pKa = 10.57 DD368 pKa = 3.0 KK369 pKa = 11.15 SLAANLQLGYY379 pKa = 9.11 TGADD383 pKa = 2.68 IAYY386 pKa = 6.81 EE387 pKa = 3.68 QHH389 pKa = 7.13 IEE391 pKa = 3.96 VDD393 pKa = 4.03 YY394 pKa = 9.63 TWTVDD399 pKa = 3.1 GSKK402 pKa = 10.83 AFGMNQYY409 pKa = 7.51 TTGLARR415 pKa = 11.84 GHH417 pKa = 5.76 VPAPIVEE424 pKa = 4.23 NFNQNVVVYY433 pKa = 10.6 NDD435 pKa = 3.68 GQAKK439 pKa = 7.8 FTTGSIGQTAWSTNPDD455 pKa = 4.48 PIVEE459 pKa = 5.26 DD460 pKa = 4.18 GDD462 pKa = 3.67 QQ463 pKa = 3.24
Molecular weight: 51.45 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.303
IPC2_protein 9.794
IPC_protein 10.335
Toseland 10.423
ProMoST 10.116
Dawson 10.584
Bjellqvist 10.277
Wikipedia 10.774
Rodwell 10.921
Grimsley 10.657
Solomon 10.628
Lehninger 10.584
Nozaki 10.394
DTASelect 10.277
Thurlkill 10.452
EMBOSS 10.818
Sillero 10.496
Patrickios 10.555
IPC_peptide 10.628
IPC2_peptide 9.121
IPC2.peptide.svr19 8.623
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
3
0
3
1127
316
463
375.7
41.72
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.808 ± 0.359
1.331 ± 0.665
5.768 ± 0.616
4.525 ± 1.165
2.484 ± 0.584
7.986 ± 0.651
2.928 ± 0.527
3.106 ± 0.288
5.146 ± 1.161
7.453 ± 1.427
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.42 ± 0.365
3.904 ± 1.286
4.348 ± 1.279
4.082 ± 0.506
8.075 ± 0.413
7.453 ± 0.873
6.921 ± 1.015
9.76 ± 2.667
1.331 ± 0.698
4.17 ± 1.072
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