Escherichia phage lambda (Bacteriophage lambda)
Average proteome isoelectric point is 6.88
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 68 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:
>sp|P03733|TUBE_LAMBD Tail tube protein OS=Escherichia phage lambda OX=10710 GN=V PE=1 SV=1
MM1 pKa = 7.39 KK2 pKa = 9.4 HH3 pKa = 5.21 TEE5 pKa = 3.58 LRR7 pKa = 11.84 AAVLDD12 pKa = 3.88 ALEE15 pKa = 4.33 KK16 pKa = 10.42 HH17 pKa = 6.15 DD18 pKa = 4.02 TGATFFDD25 pKa = 3.68 GRR27 pKa = 11.84 PAVFDD32 pKa = 3.71 EE33 pKa = 4.56 ADD35 pKa = 4.13 FPAVAVYY42 pKa = 8.14 LTGAEE47 pKa = 4.22 YY48 pKa = 9.85 TGEE51 pKa = 4.09 EE52 pKa = 4.61 LDD54 pKa = 3.6 SDD56 pKa = 3.79 TWQAEE61 pKa = 3.69 LHH63 pKa = 6.35 IEE65 pKa = 4.19 VFLPAQVPDD74 pKa = 4.02 SEE76 pKa = 4.66 LDD78 pKa = 2.81 AWMEE82 pKa = 3.93 SRR84 pKa = 11.84 IYY86 pKa = 10.51 PVMSDD91 pKa = 3.25 IPALSDD97 pKa = 5.02 LITSMVASGYY107 pKa = 10.36 DD108 pKa = 3.32 YY109 pKa = 11.21 RR110 pKa = 11.84 RR111 pKa = 11.84 DD112 pKa = 3.5 DD113 pKa = 5.7 DD114 pKa = 4.64 AGLWSSADD122 pKa = 3.34 LTYY125 pKa = 11.13 VITYY129 pKa = 9.4 EE130 pKa = 3.98 MM131 pKa = 4.92
Molecular weight: 14.65 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.931
IPC2_protein 3.859
IPC_protein 3.846
Toseland 3.63
ProMoST 3.999
Dawson 3.834
Bjellqvist 3.986
Wikipedia 3.77
Rodwell 3.668
Grimsley 3.541
Solomon 3.821
Lehninger 3.783
Nozaki 3.948
DTASelect 4.177
Thurlkill 3.681
EMBOSS 3.77
Sillero 3.961
Patrickios 2.778
IPC_peptide 3.821
IPC2_peptide 3.935
IPC2.peptide.svr19 3.887
Protein with the highest isoelectric point:
>tr|Q38269|Q38269_LAMBD Ral(Restriction alleviation66) OS=Escherichia phage lambda OX=10710 PE=4 SV=1
MM1 pKa = 7.24 THH3 pKa = 6.13 PHH5 pKa = 6.32 DD6 pKa = 4.96 NIRR9 pKa = 11.84 VGAITFVYY17 pKa = 10.4 SVTKK21 pKa = 10.38 RR22 pKa = 11.84 GWVFPGLSVIRR33 pKa = 11.84 NPLKK37 pKa = 10.16 AQRR40 pKa = 11.84 LAEE43 pKa = 4.48 EE44 pKa = 4.45 INNKK48 pKa = 9.79 RR49 pKa = 11.84 GAVCTKK55 pKa = 10.48 HH56 pKa = 6.68 LLLSS60 pKa = 3.97
Molecular weight: 6.75 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.318
IPC2_protein 9.677
IPC_protein 10.233
Toseland 10.804
ProMoST 10.394
Dawson 10.877
Bjellqvist 10.526
Wikipedia 11.038
Rodwell 11.213
Grimsley 10.906
Solomon 10.979
Lehninger 10.965
Nozaki 10.789
DTASelect 10.526
Thurlkill 10.774
EMBOSS 11.199
Sillero 10.804
Patrickios 11.023
IPC_peptide 10.994
IPC2_peptide 9.458
IPC2.peptide.svr19 8.613
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
66
2
68
14643
28
1132
215.3
23.93
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.203 ± 0.933
1.243 ± 0.155
5.696 ± 0.226
6.549 ± 0.266
3.524 ± 0.222
6.727 ± 0.308
1.817 ± 0.144
5.211 ± 0.326
5.525 ± 0.294
7.751 ± 0.269
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.834 ± 0.191
4.029 ± 0.246
3.961 ± 0.208
4.193 ± 0.25
6.303 ± 0.303
7.041 ± 0.362
6.249 ± 0.361
6.495 ± 0.33
1.639 ± 0.14
3.012 ± 0.171
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