Bacteriophage Phobos
Average proteome isoelectric point is 6.26
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 63 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|A0A5Q2U981|A0A5Q2U981_9CAUD Uncharacterized protein OS=Bacteriophage Phobos OX=2662138 PE=4 SV=1
MM1 pKa = 7.04 TTTKK5 pKa = 9.1 QTFTAIRR12 pKa = 11.84 SAMARR17 pKa = 11.84 AFFANAYY24 pKa = 9.98 ADD26 pKa = 3.65 QAEE29 pKa = 4.63 EE30 pKa = 3.96 ALQPLGGEE38 pKa = 4.62 ILDD41 pKa = 4.03 QLPDD45 pKa = 3.87 VIDD48 pKa = 4.47 PNAEE52 pKa = 3.64 AAALEE57 pKa = 4.33 LCEE60 pKa = 4.85 KK61 pKa = 10.68 LADD64 pKa = 3.4 QFDD67 pKa = 4.3 YY68 pKa = 11.58 NEE70 pKa = 4.86 RR71 pKa = 11.84 GLSLAQKK78 pKa = 10.2 VALLFLKK85 pKa = 10.47 ACRR88 pKa = 11.84 ADD90 pKa = 3.4 FANRR94 pKa = 11.84 DD95 pKa = 3.59 RR96 pKa = 11.84 EE97 pKa = 4.31 LTAEE101 pKa = 4.1 NFGHH105 pKa = 5.89 YY106 pKa = 10.35 LAMQAMGTGVGLEE119 pKa = 4.09 AFGSDD124 pKa = 3.31 VRR126 pKa = 11.84 DD127 pKa = 4.86 AIPVPYY133 pKa = 10.6 LEE135 pKa = 5.23 FGSAHH140 pKa = 7.12 LSQEE144 pKa = 3.9 YY145 pKa = 10.22 FLADD149 pKa = 3.4 VADD152 pKa = 4.37 DD153 pKa = 3.67
Molecular weight: 16.7 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.298
IPC2_protein 4.228
IPC_protein 4.164
Toseland 3.986
ProMoST 4.24
Dawson 4.139
Bjellqvist 4.317
Wikipedia 4.037
Rodwell 3.999
Grimsley 3.897
Solomon 4.126
Lehninger 4.088
Nozaki 4.24
DTASelect 4.431
Thurlkill 4.012
EMBOSS 4.05
Sillero 4.279
Patrickios 3.579
IPC_peptide 4.126
IPC2_peptide 4.266
IPC2.peptide.svr19 4.192
Protein with the highest isoelectric point:
>tr|A0A5Q2U8B3|A0A5Q2U8B3_9CAUD Uncharacterized protein OS=Bacteriophage Phobos OX=2662138 PE=4 SV=1
MM1 pKa = 6.41 QQDD4 pKa = 3.78 YY5 pKa = 10.14 VVAVAGLSSLDD16 pKa = 4.63 DD17 pKa = 3.65 INNLDD22 pKa = 3.63 EE23 pKa = 6.07 AIIANARR30 pKa = 11.84 MAINRR35 pKa = 11.84 TVDD38 pKa = 3.22 RR39 pKa = 11.84 ARR41 pKa = 11.84 TASAKK46 pKa = 9.25 EE47 pKa = 3.8 MRR49 pKa = 11.84 DD50 pKa = 3.3 QIAFPARR57 pKa = 11.84 YY58 pKa = 9.43 LSGTNGRR65 pKa = 11.84 LRR67 pKa = 11.84 VSEE70 pKa = 4.23 RR71 pKa = 11.84 ATNTSLQATITGRR84 pKa = 11.84 DD85 pKa = 3.38 RR86 pKa = 11.84 PTSLARR92 pKa = 11.84 FATSRR97 pKa = 11.84 DD98 pKa = 3.23 PAATRR103 pKa = 11.84 RR104 pKa = 11.84 QGGVRR109 pKa = 11.84 VTVDD113 pKa = 3.07 PGKK116 pKa = 10.62 SKK118 pKa = 10.39 FMRR121 pKa = 11.84 GAFLMRR127 pKa = 11.84 LNNNNLGLAIRR138 pKa = 11.84 LKK140 pKa = 10.19 EE141 pKa = 3.98 GEE143 pKa = 4.08 RR144 pKa = 11.84 VVNKK148 pKa = 9.47 TRR150 pKa = 11.84 MTRR153 pKa = 11.84 IGAGLYY159 pKa = 10.23 LLYY162 pKa = 10.56 GPSVDD167 pKa = 3.52 QVFRR171 pKa = 11.84 SVADD175 pKa = 3.74 DD176 pKa = 3.85 QAPKK180 pKa = 10.57 AADD183 pKa = 3.48 FLEE186 pKa = 5.37 AEE188 pKa = 4.85 FLRR191 pKa = 11.84 LMEE194 pKa = 4.43 LL195 pKa = 3.6
Molecular weight: 21.54 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.327
IPC2_protein 9.531
IPC_protein 10.496
Toseland 10.599
ProMoST 10.365
Dawson 10.701
Bjellqvist 10.438
Wikipedia 10.95
Rodwell 10.76
Grimsley 10.76
Solomon 10.847
Lehninger 10.804
Nozaki 10.555
DTASelect 10.438
Thurlkill 10.599
EMBOSS 11.008
Sillero 10.628
Patrickios 10.482
IPC_peptide 10.847
IPC2_peptide 9.297
IPC2.peptide.svr19 8.761
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
63
0
63
17398
38
1727
276.2
30.61
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.817 ± 0.64
0.902 ± 0.133
6.673 ± 0.38
6.616 ± 0.248
3.518 ± 0.181
7.443 ± 0.284
1.903 ± 0.199
4.248 ± 0.159
4.88 ± 0.342
8.921 ± 0.259
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.736 ± 0.116
3.679 ± 0.155
4.978 ± 0.468
4.219 ± 0.449
6.42 ± 0.267
4.845 ± 0.249
6.041 ± 0.273
6.673 ± 0.216
1.782 ± 0.221
2.707 ± 0.227
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