Staphylococcus phage phiSa2wa_st121mssa
Average proteome isoelectric point is 6.47
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 65 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|A0A2I6PF33|A0A2I6PF33_9CAUD Major tail protein OS=Staphylococcus phage phiSa2wa_st121mssa OX=2060948 GN=mtp PE=4 SV=1
MM1 pKa = 7.63 GGLTMATQRR10 pKa = 11.84 QVEE13 pKa = 4.5 YY14 pKa = 11.4 VMSLQEE20 pKa = 3.92 QLEE23 pKa = 4.35 LEE25 pKa = 4.45 DD26 pKa = 3.95 CEE28 pKa = 5.56 KK29 pKa = 10.67 YY30 pKa = 9.42 TDD32 pKa = 3.83 EE33 pKa = 4.01 QVKK36 pKa = 10.4 AMSHH40 pKa = 6.03 KK41 pKa = 10.06 EE42 pKa = 3.72 VSNVIEE48 pKa = 4.41 NYY50 pKa = 9.42 KK51 pKa = 10.77 ASISNEE57 pKa = 3.8 EE58 pKa = 4.63 LYY60 pKa = 10.85 DD61 pKa = 3.48 EE62 pKa = 4.93 CMSFGLPNCC71 pKa = 4.51
Molecular weight: 8.16 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.045
IPC2_protein 4.342
IPC_protein 4.177
Toseland 4.037
ProMoST 4.266
Dawson 4.101
Bjellqvist 4.253
Wikipedia 3.948
Rodwell 4.012
Grimsley 3.948
Solomon 4.088
Lehninger 4.037
Nozaki 4.228
DTASelect 4.279
Thurlkill 4.037
EMBOSS 3.973
Sillero 4.279
Patrickios 0.846
IPC_peptide 4.101
IPC2_peptide 4.266
IPC2.peptide.svr19 4.189
Protein with the highest isoelectric point:
>tr|A0A2I6PEZ9|A0A2I6PEZ9_9CAUD Uncharacterized protein OS=Staphylococcus phage phiSa2wa_st121mssa OX=2060948 PE=4 SV=1
MM1 pKa = 7.79 RR2 pKa = 11.84 NFLMFLAIIIFLSLFILLTSFFLIIRR28 pKa = 11.84 NFHH31 pKa = 6.64 IIVKK35 pKa = 9.24 FFTKK39 pKa = 8.97 KK40 pKa = 8.72 TYY42 pKa = 11.09 LMLTIRR48 pKa = 11.84 KK49 pKa = 8.53 FRR51 pKa = 11.84 IILGLRR57 pKa = 11.84 KK58 pKa = 9.6 AVTTT62 pKa = 4.25
Molecular weight: 7.5 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.251
IPC2_protein 10.804
IPC_protein 12.047
Toseland 12.208
ProMoST 12.676
Dawson 12.208
Bjellqvist 12.193
Wikipedia 12.676
Rodwell 12.106
Grimsley 12.252
Solomon 12.691
Lehninger 12.588
Nozaki 12.208
DTASelect 12.193
Thurlkill 12.208
EMBOSS 12.705
Sillero 12.208
Patrickios 11.857
IPC_peptide 12.691
IPC2_peptide 11.667
IPC2.peptide.svr19 8.959
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
65
0
65
14467
29
2074
222.6
25.42
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.737 ± 0.581
0.491 ± 0.09
6.159 ± 0.263
7.534 ± 0.426
3.954 ± 0.228
6.083 ± 0.516
1.818 ± 0.114
7.182 ± 0.325
9.864 ± 0.485
8.26 ± 0.313
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.661 ± 0.124
6.511 ± 0.275
2.703 ± 0.205
3.608 ± 0.131
3.968 ± 0.223
6.553 ± 0.295
5.675 ± 0.237
5.668 ± 0.214
1.258 ± 0.147
4.313 ± 0.337
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