Enterococcus phage Idefix
Average proteome isoelectric point is 5.76
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 25 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|A0A1M4NDN3|A0A1M4NDN3_9CAUD Major head protein OS=Enterococcus phage Idefix OX=2017580 GN=mhp PE=4 SV=1
MM1 pKa = 7.88 PSYY4 pKa = 9.55 KK5 pKa = 10.19 TYY7 pKa = 8.3 TTEE10 pKa = 3.54 QYY12 pKa = 10.69 QAFLSQPFGYY22 pKa = 10.5 DD23 pKa = 3.0 FGVSDD28 pKa = 3.83 EE29 pKa = 5.35 TIAQWFMIQPGARR42 pKa = 11.84 PVINSYY48 pKa = 10.98 GVTKK52 pKa = 10.55 TNLLSDD58 pKa = 4.9 YY59 pKa = 10.52 IPKK62 pKa = 10.35 LKK64 pKa = 10.61 QEE66 pKa = 4.42 FGGSLVFLMTTVSEE80 pKa = 4.46 GGGAGNWVNHH90 pKa = 5.14 YY91 pKa = 10.25 MSDD94 pKa = 3.36 TSNTGMGCMIDD105 pKa = 4.11 DD106 pKa = 3.51 IAYY109 pKa = 9.67 IKK111 pKa = 8.15 TTFDD115 pKa = 2.69 RR116 pKa = 11.84 HH117 pKa = 5.38 FPPAISAPEE126 pKa = 3.73 VGGAYY131 pKa = 9.33 TEE133 pKa = 4.56 DD134 pKa = 3.83 EE135 pKa = 4.7 EE136 pKa = 4.86 GLTMKK141 pKa = 10.33 VYY143 pKa = 10.83 NAVPDD148 pKa = 4.24 GSIGSYY154 pKa = 9.63 FIPSTMAGNAWIFGSQWCLANQGAAPPAVYY184 pKa = 10.15 FGNPYY189 pKa = 10.29 DD190 pKa = 3.84 QLIDD194 pKa = 3.81 IIKK197 pKa = 10.65 SFGADD202 pKa = 3.21 PFEE205 pKa = 4.84 EE206 pKa = 5.21 GSTAKK211 pKa = 10.36 PNPDD215 pKa = 3.49 TPKK218 pKa = 10.8 GDD220 pKa = 3.97 PNEE223 pKa = 4.66 SGNKK227 pKa = 8.93 PKK229 pKa = 10.43 PKK231 pKa = 9.78 PDD233 pKa = 3.01 IQKK236 pKa = 10.85 AIDD239 pKa = 4.27 KK240 pKa = 10.73 ILDD243 pKa = 4.43 EE244 pKa = 4.75 INKK247 pKa = 9.98 ALDD250 pKa = 3.31 NQTIQGSPLLSYY262 pKa = 11.17 NDD264 pKa = 3.78 DD265 pKa = 3.49 VTIEE269 pKa = 4.01 RR270 pKa = 11.84 TFNNSYY276 pKa = 10.08 KK277 pKa = 10.11 ISYY280 pKa = 8.6 TSSFKK285 pKa = 10.9 KK286 pKa = 10.36 KK287 pKa = 10.6 LSDD290 pKa = 3.39 MLNASDD296 pKa = 5.62 LGLITDD302 pKa = 5.61 DD303 pKa = 4.39 GAQTNPPKK311 pKa = 10.26 EE312 pKa = 4.46 DD313 pKa = 4.18 PNPPSIDD320 pKa = 3.21 GGKK323 pKa = 10.11 DD324 pKa = 2.87 SKK326 pKa = 9.77 TMKK329 pKa = 10.35 KK330 pKa = 10.01 IYY332 pKa = 9.75 DD333 pKa = 3.66 WCNQNQGQAFDD344 pKa = 3.5 TDD346 pKa = 3.98 GYY348 pKa = 11.55 YY349 pKa = 10.79 GAQCVDD355 pKa = 5.07 LISWLNTKK363 pKa = 9.72 VFGLGLDD370 pKa = 3.55 TSGDD374 pKa = 3.6 YY375 pKa = 11.17 AKK377 pKa = 10.76 NIWNNPVPSGWYY389 pKa = 9.28 KK390 pKa = 11.25 VNGNPNDD397 pKa = 4.02 DD398 pKa = 3.8 NASRR402 pKa = 11.84 DD403 pKa = 3.05 IWNTLPNGAIVWFTNSGAGHH423 pKa = 6.06 VGVKK427 pKa = 10.5 AGDD430 pKa = 3.4 FAMTLQQNWTSHH442 pKa = 5.43 GLGGPIVLADD452 pKa = 3.69 CASWMVSSGSGFLGAWVTDD471 pKa = 3.66 NN472 pKa = 4.3
Molecular weight: 51.33 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.297
IPC2_protein 4.342
IPC_protein 4.355
Toseland 4.139
ProMoST 4.507
Dawson 4.342
Bjellqvist 4.495
Wikipedia 4.279
Rodwell 4.177
Grimsley 4.05
Solomon 4.342
Lehninger 4.291
Nozaki 4.444
DTASelect 4.724
Thurlkill 4.177
EMBOSS 4.291
Sillero 4.469
Patrickios 3.376
IPC_peptide 4.342
IPC2_peptide 4.457
IPC2.peptide.svr19 4.402
Protein with the highest isoelectric point:
>tr|A0A1M4NDT8|A0A1M4NDT8_9CAUD AmdI N-acetylmuramoyl-L-alanine-amidase OS=Enterococcus phage Idefix OX=2017580 GN=amdI PE=4 SV=1
MM1 pKa = 7.5 KK2 pKa = 10.4 SKK4 pKa = 11.01 SKK6 pKa = 10.77 LKK8 pKa = 11.06 YY9 pKa = 9.75 KK10 pKa = 9.81 FTFNKK15 pKa = 9.52 QLYY18 pKa = 10.06 GDD20 pKa = 4.18 IANEE24 pKa = 3.87 AQAKK28 pKa = 9.72 LDD30 pKa = 3.56 RR31 pKa = 11.84 LHH33 pKa = 7.14 FVTQQRR39 pKa = 11.84 GDD41 pKa = 3.54 RR42 pKa = 11.84 FPKK45 pKa = 9.88 MGAISLNEE53 pKa = 3.57 AMNIVEE59 pKa = 4.67 GTWSRR64 pKa = 11.84 ALDD67 pKa = 3.4 TLINYY72 pKa = 9.38 FSMSLSEE79 pKa = 4.05 VNQRR83 pKa = 11.84 KK84 pKa = 8.4 LASTKK89 pKa = 10.48 RR90 pKa = 11.84 FIGDD94 pKa = 4.47 KK95 pKa = 9.71 IAQNATSIPNLMLVVLEE112 pKa = 4.16 YY113 pKa = 10.56 AQKK116 pKa = 10.88 FEE118 pKa = 4.42 SQTKK122 pKa = 8.77 KK123 pKa = 10.73 DD124 pKa = 3.22 KK125 pKa = 10.68 NRR127 pKa = 11.84 RR128 pKa = 11.84 FSIIAYY134 pKa = 8.74 QEE136 pKa = 4.53 GYY138 pKa = 10.61 NGG140 pKa = 3.43
Molecular weight: 16.13 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.049
IPC2_protein 9.311
IPC_protein 9.253
Toseland 10.072
ProMoST 9.692
Dawson 10.248
Bjellqvist 9.867
Wikipedia 10.394
Rodwell 10.818
Grimsley 10.306
Solomon 10.262
Lehninger 10.248
Nozaki 10.043
DTASelect 9.867
Thurlkill 10.101
EMBOSS 10.467
Sillero 10.145
Patrickios 10.496
IPC_peptide 10.277
IPC2_peptide 8.287
IPC2.peptide.svr19 8.346
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
25
0
25
5722
52
782
228.9
26.21
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.963 ± 0.342
0.909 ± 0.149
6.099 ± 0.296
7.567 ± 0.809
4.911 ± 0.4
6.187 ± 0.547
1.608 ± 0.199
6.781 ± 0.327
8.004 ± 0.447
7.917 ± 0.41
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.849 ± 0.205
7.2 ± 0.376
3.39 ± 0.416
3.478 ± 0.181
3.286 ± 0.333
5.732 ± 0.326
6.816 ± 0.31
5.89 ± 0.388
1.241 ± 0.206
5.173 ± 0.337
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