Escherichia phage 13a
Average proteome isoelectric point is 6.75
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 55 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|B3VD31|B3VD31_9CAUD Gp0.4 OS=Escherichia phage 13a OX=532076 GN=0.4 PE=4 SV=1
MM1 pKa = 7.48 AMSNMTYY8 pKa = 11.18 NNVFDD13 pKa = 4.72 HH14 pKa = 6.93 AYY16 pKa = 10.49 EE17 pKa = 3.86 MLKK20 pKa = 10.85 EE21 pKa = 4.08 NIRR24 pKa = 11.84 YY25 pKa = 9.81 DD26 pKa = 4.67 DD27 pKa = 4.5 IRR29 pKa = 11.84 DD30 pKa = 3.55 TDD32 pKa = 4.04 DD33 pKa = 3.27 LHH35 pKa = 7.85 DD36 pKa = 5.9 AIHH39 pKa = 6.3 EE40 pKa = 4.35 AADD43 pKa = 3.52 NAVPHH48 pKa = 6.38 YY49 pKa = 9.99 YY50 pKa = 10.67 SDD52 pKa = 3.44 IFSVMASEE60 pKa = 5.41 GIYY63 pKa = 10.52 HH64 pKa = 6.48 EE65 pKa = 5.16 FEE67 pKa = 5.33 DD68 pKa = 4.72 SGLMPDD74 pKa = 3.68 TKK76 pKa = 10.9 DD77 pKa = 3.13 VTRR80 pKa = 11.84 ILQARR85 pKa = 11.84 IYY87 pKa = 9.25 EE88 pKa = 4.14 QLTIDD93 pKa = 3.64 LWEE96 pKa = 4.69 DD97 pKa = 3.57 AEE99 pKa = 4.86 DD100 pKa = 4.13 LLNEE104 pKa = 3.98 YY105 pKa = 10.52 LEE107 pKa = 4.29 EE108 pKa = 4.24 VEE110 pKa = 5.64 EE111 pKa = 4.29 EE112 pKa = 4.34 EE113 pKa = 5.01 EE114 pKa = 4.49 DD115 pKa = 3.82 LL116 pKa = 5.45
Molecular weight: 13.7 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.721
IPC2_protein 3.846
IPC_protein 3.821
Toseland 3.63
ProMoST 3.973
Dawson 3.795
Bjellqvist 3.948
Wikipedia 3.706
Rodwell 3.656
Grimsley 3.541
Solomon 3.795
Lehninger 3.745
Nozaki 3.91
DTASelect 4.101
Thurlkill 3.668
EMBOSS 3.719
Sillero 3.935
Patrickios 1.062
IPC_peptide 3.795
IPC2_peptide 3.923
IPC2.peptide.svr19 3.837
Protein with the highest isoelectric point:
>tr|B3VD52|B3VD52_9CAUD Gp4.7 OS=Escherichia phage 13a OX=532076 GN=4.7 PE=4 SV=1
MM1 pKa = 7.43 SNVAEE6 pKa = 4.74 TIRR9 pKa = 11.84 LSDD12 pKa = 4.91 TADD15 pKa = 2.65 QWNRR19 pKa = 11.84 RR20 pKa = 11.84 VHH22 pKa = 6.18 INVRR26 pKa = 11.84 NGKK29 pKa = 8.54 ATMVYY34 pKa = 9.07 RR35 pKa = 11.84 WKK37 pKa = 10.58 DD38 pKa = 3.37 SKK40 pKa = 11.14 SSKK43 pKa = 9.98 NHH45 pKa = 4.44 TQRR48 pKa = 11.84 MTLTDD53 pKa = 3.75 EE54 pKa = 3.92 QALRR58 pKa = 11.84 LVNALTIAAVTAIHH72 pKa = 5.41 EE73 pKa = 4.38 TGRR76 pKa = 11.84 VNEE79 pKa = 4.17 AMAIIDD85 pKa = 3.52 KK86 pKa = 9.46 YY87 pKa = 11.0 LRR89 pKa = 11.84 IRR91 pKa = 11.84 VVV93 pKa = 2.73
Molecular weight: 10.66 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.277
IPC2_protein 9.531
IPC_protein 10.116
Toseland 10.57
ProMoST 10.189
Dawson 10.672
Bjellqvist 10.335
Wikipedia 10.847
Rodwell 10.935
Grimsley 10.716
Solomon 10.76
Lehninger 10.745
Nozaki 10.54
DTASelect 10.335
Thurlkill 10.57
EMBOSS 10.965
Sillero 10.584
Patrickios 10.716
IPC_peptide 10.774
IPC2_peptide 8.946
IPC2.peptide.svr19 8.81
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
55
0
55
12576
30
1318
228.7
25.6
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.739 ± 0.484
1.272 ± 0.217
6.33 ± 0.281
7.125 ± 0.354
3.467 ± 0.2
7.483 ± 0.318
2.083 ± 0.218
5.304 ± 0.184
6.632 ± 0.328
8.182 ± 0.328
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.125 ± 0.247
4.461 ± 0.328
3.356 ± 0.22
3.729 ± 0.326
5.685 ± 0.212
6.099 ± 0.324
5.55 ± 0.238
6.393 ± 0.285
1.606 ± 0.193
3.379 ± 0.177
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