Xanthomonas phage phiXv2
Average proteome isoelectric point is 7.57
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 12 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|A0A2Z4QHX2|A0A2Z4QHX2_9VIRU Replication initiation protein OS=Xanthomonas phage phiXv2 OX=2201472 PE=4 SV=1
MM1 pKa = 6.52 ITVRR5 pKa = 11.84 LVACILAVALWSCAFSANAAMCRR28 pKa = 11.84 DD29 pKa = 3.58 AADD32 pKa = 4.16 ACDD35 pKa = 3.34 QGQAFLAARR44 pKa = 11.84 MLADD48 pKa = 3.26 QRR50 pKa = 11.84 GVDD53 pKa = 3.69 LCKK56 pKa = 10.56 LVGGSNSLYY65 pKa = 10.45 KK66 pKa = 11.0 GPDD69 pKa = 3.14 VVAEE73 pKa = 3.98 SAGIYY78 pKa = 9.08 NAQATCSIGGPAGAGSTFYY97 pKa = 11.28 SKK99 pKa = 9.39 TCAQRR104 pKa = 11.84 PPLIGASSSDD114 pKa = 3.3 GSGFSCDD121 pKa = 4.58 DD122 pKa = 3.36 GCFYY126 pKa = 11.22 NFTVGASGGSGMYY139 pKa = 10.05 PSGATCSAGDD149 pKa = 4.66 APPSTPGDD157 pKa = 3.73 DD158 pKa = 4.8 GGDD161 pKa = 3.51 GDD163 pKa = 4.7 GGSDD167 pKa = 3.22 GGGDD171 pKa = 3.53 GGSDD175 pKa = 3.17 GGGDD179 pKa = 3.53 GGSDD183 pKa = 3.17 GGGDD187 pKa = 3.57 GGSDD191 pKa = 3.23 GGSDD195 pKa = 3.81 GGGDD199 pKa = 3.74 GDD201 pKa = 5.07 GDD203 pKa = 4.06 GDD205 pKa = 4.55 GDD207 pKa = 4.55 GDD209 pKa = 4.29 GDD211 pKa = 4.77 GDD213 pKa = 4.51 GDD215 pKa = 4.1 TPGDD219 pKa = 3.86 GDD221 pKa = 4.04 GTTPGQGEE229 pKa = 4.5 GGEE232 pKa = 4.19 GAPMSEE238 pKa = 5.38 LYY240 pKa = 10.52 NKK242 pKa = 10.02 SGKK245 pKa = 7.31 TVEE248 pKa = 4.36 SVLSKK253 pKa = 10.98 FNTQVRR259 pKa = 11.84 GTPMVAGITDD269 pKa = 4.56 FMTVPSGGSCPVFSLGASKK288 pKa = 8.92 WWNAMTINFHH298 pKa = 6.93 CGGDD302 pKa = 3.5 FLAFLRR308 pKa = 11.84 AAGWVILAIAAYY320 pKa = 8.93 AALRR324 pKa = 11.84 IAVTT328 pKa = 3.72
Molecular weight: 31.85 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.699
IPC2_protein 3.706
IPC_protein 3.757
Toseland 3.503
ProMoST 3.948
Dawson 3.783
Bjellqvist 3.935
Wikipedia 3.77
Rodwell 3.579
Grimsley 3.414
Solomon 3.77
Lehninger 3.732
Nozaki 3.884
DTASelect 4.228
Thurlkill 3.579
EMBOSS 3.77
Sillero 3.884
Patrickios 0.757
IPC_peptide 3.757
IPC2_peptide 3.859
IPC2.peptide.svr19 3.785
Protein with the highest isoelectric point:
>tr|A0A2Z4QI91|A0A2Z4QI91_9VIRU Helix-turn-helix XRE-family DNA binding protein OS=Xanthomonas phage phiXv2 OX=2201472 PE=4 SV=1
MM1 pKa = 7.39 ARR3 pKa = 11.84 WCPPVNRR10 pKa = 11.84 LASAAATCSSVVANTACMRR29 pKa = 11.84 WCKK32 pKa = 10.19 KK33 pKa = 10.21 RR34 pKa = 11.84 SPCPARR40 pKa = 11.84 RR41 pKa = 11.84 TPP43 pKa = 3.41
Molecular weight: 4.71 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.299
IPC2_protein 9.458
IPC_protein 10.306
Toseland 10.95
ProMoST 10.921
Dawson 10.979
Bjellqvist 10.804
Wikipedia 11.242
Rodwell 11.023
Grimsley 10.994
Solomon 11.257
Lehninger 11.213
Nozaki 11.008
DTASelect 10.76
Thurlkill 10.935
EMBOSS 11.374
Sillero 10.95
Patrickios 10.906
IPC_peptide 11.272
IPC2_peptide 10.438
IPC2.peptide.svr19 9.07
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
12
0
12
1894
33
440
157.8
17.1
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
11.827 ± 1.126
2.059 ± 0.633
5.861 ± 1.034
3.749 ± 0.648
4.224 ± 0.561
10.718 ± 2.371
1.637 ± 0.48
3.643 ± 0.452
4.435 ± 0.706
7.233 ± 1.018
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.693 ± 0.491
2.429 ± 0.429
4.857 ± 0.519
3.115 ± 0.524
6.969 ± 1.281
6.23 ± 0.863
5.702 ± 0.678
7.392 ± 0.692
2.64 ± 0.514
2.587 ± 0.306
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