Mycobacterium phage Spikelee
Average proteome isoelectric point is 6.1
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 104 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|A0A385DU50|A0A385DU50_9CAUD Uncharacterized protein OS=Mycobacterium phage Spikelee OX=2301571 GN=53 PE=4 SV=1
MM1 pKa = 7.54 EE2 pKa = 6.3 SIDD5 pKa = 4.49 TDD7 pKa = 3.71 EE8 pKa = 4.56 QLNGYY13 pKa = 8.47 PPNTVILDD21 pKa = 3.65 ADD23 pKa = 3.36 EE24 pKa = 4.41 WAWQKK29 pKa = 11.11 DD30 pKa = 4.24 VNQGSHH36 pKa = 5.75 LWIPAAFYY44 pKa = 11.28 SEE46 pKa = 5.12 LLVDD50 pKa = 4.39 DD51 pKa = 5.19 GGRR54 pKa = 11.84 PSLPARR60 pKa = 11.84 LLYY63 pKa = 10.51 VPHH66 pKa = 7.11 ANSANEE72 pKa = 4.01 SS73 pKa = 3.51
Molecular weight: 8.14 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.076
IPC2_protein 4.05
IPC_protein 3.935
Toseland 3.745
ProMoST 4.113
Dawson 3.935
Bjellqvist 4.088
Wikipedia 3.872
Rodwell 3.783
Grimsley 3.668
Solomon 3.91
Lehninger 3.872
Nozaki 4.062
DTASelect 4.266
Thurlkill 3.808
EMBOSS 3.884
Sillero 4.062
Patrickios 3.121
IPC_peptide 3.91
IPC2_peptide 4.037
IPC2.peptide.svr19 3.97
Protein with the highest isoelectric point:
>tr|A0A385DRS3|A0A385DRS3_9CAUD Tail assembly chaperone OS=Mycobacterium phage Spikelee OX=2301571 GN=14 PE=4 SV=1
MM1 pKa = 7.41 SAFPPPRR8 pKa = 11.84 TLTEE12 pKa = 5.0 RR13 pKa = 11.84 IQGAHH18 pKa = 6.7 LNLKK22 pKa = 9.84 LARR25 pKa = 11.84 QSGNPDD31 pKa = 3.26 IIAAAEE37 pKa = 4.34 RR38 pKa = 11.84 ILNQLVDD45 pKa = 3.97 RR46 pKa = 11.84 LPRR49 pKa = 11.84 PTHH52 pKa = 5.73 QEE54 pKa = 3.46
Molecular weight: 6.05 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.311
IPC2_protein 9.209
IPC_protein 10.204
Toseland 10.774
ProMoST 10.745
Dawson 10.789
Bjellqvist 10.57
Wikipedia 11.082
Rodwell 10.716
Grimsley 10.804
Solomon 11.096
Lehninger 11.052
Nozaki 10.745
DTASelect 10.57
Thurlkill 10.745
EMBOSS 11.199
Sillero 10.745
Patrickios 10.716
IPC_peptide 11.111
IPC2_peptide 9.545
IPC2.peptide.svr19 8.945
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
104
0
104
18469
30
1170
177.6
19.39
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.84 ± 0.509
1.072 ± 0.13
6.508 ± 0.23
5.853 ± 0.268
2.918 ± 0.169
8.885 ± 0.517
2.128 ± 0.177
4.548 ± 0.168
3.433 ± 0.177
7.499 ± 0.19
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.263 ± 0.096
3.476 ± 0.17
5.972 ± 0.197
3.568 ± 0.188
6.676 ± 0.336
6.021 ± 0.284
6.351 ± 0.265
7.158 ± 0.278
2.29 ± 0.142
2.539 ± 0.151
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