Pseudoalteromonas phage PM2 (Bacteriophage PM2)
Average proteome isoelectric point is 7.31
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 22 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|Q9XJR5|P8_BPPM2 Protein P8 OS=Pseudoalteromonas phage PM2 OX=10661 GN=VIII PE=1 SV=1
MM1 pKa = 7.42 GLFGGGNSKK10 pKa = 8.78 STSNQTTNNEE20 pKa = 3.93 NTNIATQGDD29 pKa = 3.83 NLGAVINGNGNSVTMTDD46 pKa = 3.48 HH47 pKa = 6.6 GLVDD51 pKa = 3.98 ALVDD55 pKa = 3.18 IGGYY59 pKa = 9.31 MSDD62 pKa = 3.17 STQAAFGAASDD73 pKa = 3.77 MAYY76 pKa = 10.74 SSTEE80 pKa = 3.65 FAGQAITDD88 pKa = 3.78 GFDD91 pKa = 3.09 YY92 pKa = 11.48 AEE94 pKa = 4.28 GVNRR98 pKa = 11.84 DD99 pKa = 3.93 SLDD102 pKa = 3.17 MAEE105 pKa = 4.81 GINRR109 pKa = 11.84 DD110 pKa = 3.38 SLNFGRR116 pKa = 11.84 DD117 pKa = 3.44 ALSVTGDD124 pKa = 3.47 LMTDD128 pKa = 3.25 AMQYY132 pKa = 10.92 SSDD135 pKa = 3.54 AMLASIEE142 pKa = 4.31 GNAGLAGQVMDD153 pKa = 5.21 ASTTMTGQSLNFGLDD168 pKa = 3.41 TFSGAMDD175 pKa = 4.72 SLNQSNNNMALLAEE189 pKa = 4.55 FTSNQSTDD197 pKa = 3.25 LARR200 pKa = 11.84 DD201 pKa = 3.41 SMAFGADD208 pKa = 4.62 LMAQYY213 pKa = 10.6 QDD215 pKa = 4.3 NISASNYY222 pKa = 8.66 DD223 pKa = 3.5 ARR225 pKa = 11.84 EE226 pKa = 3.96 HH227 pKa = 6.24 MLDD230 pKa = 3.3 ASKK233 pKa = 9.19 TAMQFADD240 pKa = 3.2 NMSRR244 pKa = 11.84 SDD246 pKa = 3.69 GQQLAKK252 pKa = 10.69 DD253 pKa = 3.85 SNKK256 pKa = 9.27 TLMIGIVAVSAAVGLYY272 pKa = 10.45 AISKK276 pKa = 9.22 GVNN279 pKa = 2.97
Molecular weight: 29.04 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.137
IPC2_protein 3.732
IPC_protein 3.757
Toseland 3.528
ProMoST 3.948
Dawson 3.77
Bjellqvist 3.935
Wikipedia 3.745
Rodwell 3.579
Grimsley 3.427
Solomon 3.77
Lehninger 3.719
Nozaki 3.884
DTASelect 4.19
Thurlkill 3.592
EMBOSS 3.757
Sillero 3.884
Patrickios 3.427
IPC_peptide 3.757
IPC2_peptide 3.859
IPC2.peptide.svr19 3.834
Protein with the highest isoelectric point:
>sp|Q9XJR9|P9_BPPM2 Protein P9 OS=Pseudoalteromonas phage PM2 OX=10661 GN=IX PE=1 SV=2
MM1 pKa = 7.49 INKK4 pKa = 7.38 TTIKK8 pKa = 9.8 TVLITLGVLAAVNKK22 pKa = 9.54 VSALRR27 pKa = 11.84 SVKK30 pKa = 10.4 RR31 pKa = 11.84 LISS34 pKa = 3.49
Molecular weight: 3.65 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.199
IPC2_protein 10.438
IPC_protein 11.842
Toseland 12.076
ProMoST 12.501
Dawson 12.091
Bjellqvist 12.032
Wikipedia 12.515
Rodwell 12.193
Grimsley 12.12
Solomon 12.53
Lehninger 12.442
Nozaki 12.076
DTASelect 12.032
Thurlkill 12.076
EMBOSS 12.559
Sillero 12.076
Patrickios 11.974
IPC_peptide 12.53
IPC2_peptide 11.491
IPC2.peptide.svr19 8.982
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
21
1
22
3156
30
634
143.5
15.95
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
9.252 ± 0.603
0.887 ± 0.28
6.115 ± 0.771
6.274 ± 0.617
3.802 ± 0.292
7.003 ± 0.759
1.394 ± 0.168
5.894 ± 0.389
7.129 ± 0.77
8.809 ± 0.649
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.105 ± 0.397
5.292 ± 0.491
3.074 ± 0.426
4.024 ± 0.362
4.943 ± 0.503
6.21 ± 0.571
5.767 ± 0.403
6.781 ± 0.681
1.267 ± 0.177
2.978 ± 0.372
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