Staphylococcus phage SAP40
Average proteome isoelectric point is 6.48
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|A0A513ZXW1|A0A513ZXW1_9CAUD Uncharacterized protein OS=Staphylococcus phage SAP40 OX=2588091 GN=SAP40_00028 PE=4 SV=1
MM1 pKa = 7.51 NNRR4 pKa = 11.84 EE5 pKa = 4.1 QIEE8 pKa = 3.98 QSVISASAYY17 pKa = 10.04 NGNDD21 pKa = 3.29 TEE23 pKa = 4.52 GLLKK27 pKa = 10.49 EE28 pKa = 4.44 IEE30 pKa = 4.24 DD31 pKa = 4.28 VYY33 pKa = 11.57 KK34 pKa = 10.64 KK35 pKa = 10.72 AQAFDD40 pKa = 4.66 EE41 pKa = 4.34 ILEE44 pKa = 4.2 GLPNAMQDD52 pKa = 3.36 ALKK55 pKa = 10.66 EE56 pKa = 4.16 DD57 pKa = 3.68 IYY59 pKa = 11.25 LDD61 pKa = 3.66 EE62 pKa = 5.14 AVGIMTSQVVYY73 pKa = 10.27 KK74 pKa = 10.8 YY75 pKa = 10.77 EE76 pKa = 3.89 EE77 pKa = 4.06 EE78 pKa = 4.28 QEE80 pKa = 3.93 NDD82 pKa = 2.92
Molecular weight: 9.34 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.136
IPC2_protein 3.935
IPC_protein 3.834
Toseland 3.668
ProMoST 3.897
Dawson 3.795
Bjellqvist 4.012
Wikipedia 3.694
Rodwell 3.681
Grimsley 3.579
Solomon 3.783
Lehninger 3.732
Nozaki 3.923
DTASelect 4.037
Thurlkill 3.706
EMBOSS 3.706
Sillero 3.948
Patrickios 3.223
IPC_peptide 3.783
IPC2_peptide 3.935
IPC2.peptide.svr19 3.892
Protein with the highest isoelectric point:
>tr|A0A513ZXW0|A0A513ZXW0_9CAUD Uncharacterized protein OS=Staphylococcus phage SAP40 OX=2588091 GN=SAP40_00031 PE=4 SV=1
MM1 pKa = 7.29 ARR3 pKa = 11.84 KK4 pKa = 9.59 ARR6 pKa = 11.84 IVTINDD12 pKa = 2.81 KK13 pKa = 10.44 PYY15 pKa = 10.06 RR16 pKa = 11.84 FSKK19 pKa = 11.02 FEE21 pKa = 3.76 MEE23 pKa = 5.0 LIEE26 pKa = 4.34 SHH28 pKa = 6.88 GITAGMVSKK37 pKa = 10.43 RR38 pKa = 11.84 VKK40 pKa = 10.67 DD41 pKa = 3.3 GWEE44 pKa = 3.56 LHH46 pKa = 5.97 EE47 pKa = 6.15 AMDD50 pKa = 4.24 APEE53 pKa = 4.22 GTRR56 pKa = 11.84 LSEE59 pKa = 3.86 YY60 pKa = 10.23 RR61 pKa = 11.84 EE62 pKa = 3.95 KK63 pKa = 10.39 KK64 pKa = 8.51 TIEE67 pKa = 3.99 RR68 pKa = 11.84 LEE70 pKa = 3.92 QARR73 pKa = 11.84 LEE75 pKa = 4.26 RR76 pKa = 11.84 KK77 pKa = 9.75 LEE79 pKa = 4.03 RR80 pKa = 11.84 KK81 pKa = 9.41 RR82 pKa = 11.84 KK83 pKa = 9.67 RR84 pKa = 11.84 EE85 pKa = 3.71 AEE87 pKa = 3.97 LRR89 pKa = 11.84 RR90 pKa = 11.84 KK91 pKa = 9.76 KK92 pKa = 10.2 PHH94 pKa = 6.56 LFNVPQKK101 pKa = 10.45 HH102 pKa = 4.8 PRR104 pKa = 11.84 GRR106 pKa = 11.84 YY107 pKa = 8.83 ACYY110 pKa = 10.52 LMEE113 pKa = 5.36 NDD115 pKa = 4.09 IFVKK119 pKa = 10.41 VKK121 pKa = 10.3 KK122 pKa = 10.51
Molecular weight: 14.68 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.143
IPC2_protein 9.37
IPC_protein 9.414
Toseland 10.365
ProMoST 9.94
Dawson 10.467
Bjellqvist 10.072
Wikipedia 10.599
Rodwell 10.979
Grimsley 10.511
Solomon 10.511
Lehninger 10.496
Nozaki 10.335
DTASelect 10.072
Thurlkill 10.35
EMBOSS 10.745
Sillero 10.379
Patrickios 10.701
IPC_peptide 10.511
IPC2_peptide 8.551
IPC2.peptide.svr19 8.49
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
13255
30
1154
210.4
24.13
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.786 ± 0.438
0.392 ± 0.076
6.262 ± 0.382
7.756 ± 0.604
4.315 ± 0.234
5.326 ± 0.289
1.509 ± 0.157
7.454 ± 0.35
9.325 ± 0.39
7.733 ± 0.262
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.444 ± 0.188
7.084 ± 0.316
2.641 ± 0.213
4.097 ± 0.247
4.104 ± 0.24
5.734 ± 0.251
6.367 ± 0.313
6.217 ± 0.35
1.207 ± 0.18
4.247 ± 0.374
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