Staphylococcus phage phi575
Average proteome isoelectric point is 6.72
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 58 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|A0A1Q1PVT4|A0A1Q1PVT4_9CAUD CI-like repressor with LexA and peptidase domain OS=Staphylococcus phage phi575 OX=1955176 PE=4 SV=1
MM1 pKa = 7.39 NIAWNIIKK9 pKa = 10.7 YY10 pKa = 8.66 PALTLAIVVEE20 pKa = 4.72 FFIITSFSTTPIEE33 pKa = 4.02 HH34 pKa = 6.88 SFLFWIVTVAGFEE47 pKa = 4.02 MADD50 pKa = 3.46 QIFLEE55 pKa = 4.22 QEE57 pKa = 4.21 EE58 pKa = 4.48 II59 pKa = 3.72
Molecular weight: 6.84 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.282
IPC2_protein 4.24
IPC_protein 3.948
Toseland 3.834
ProMoST 4.075
Dawson 3.884
Bjellqvist 4.05
Wikipedia 3.77
Rodwell 3.808
Grimsley 3.757
Solomon 3.846
Lehninger 3.795
Nozaki 4.037
DTASelect 4.037
Thurlkill 3.872
EMBOSS 3.783
Sillero 4.05
Patrickios 3.35
IPC_peptide 3.859
IPC2_peptide 4.037
IPC2.peptide.svr19 3.965
Protein with the highest isoelectric point:
>tr|A0A1Q1PVW9|A0A1Q1PVW9_9CAUD Head-tail connector protein OS=Staphylococcus phage phi575 OX=1955176 PE=4 SV=1
MM1 pKa = 7.35 GGKK4 pKa = 8.79 IVKK7 pKa = 8.55 NTVAEE12 pKa = 4.23 GLKK15 pKa = 10.36 RR16 pKa = 11.84 EE17 pKa = 4.23 LLQMSTLEE25 pKa = 4.04 KK26 pKa = 10.38 RR27 pKa = 11.84 VLKK30 pKa = 10.77 AGASTIIPILRR41 pKa = 11.84 KK42 pKa = 8.36 NTPLGEE48 pKa = 4.3 QQRR51 pKa = 11.84 HH52 pKa = 4.69 ARR54 pKa = 11.84 NHH56 pKa = 5.16 IAISNVKK63 pKa = 8.47 TDD65 pKa = 3.0 RR66 pKa = 11.84 STLEE70 pKa = 3.77 KK71 pKa = 10.19 YY72 pKa = 10.15 VAVGYY77 pKa = 9.81 EE78 pKa = 3.58 KK79 pKa = 10.69 GYY81 pKa = 7.97 SHH83 pKa = 7.75 RR84 pKa = 11.84 IHH86 pKa = 5.45 TTEE89 pKa = 4.4 FGTMYY94 pKa = 10.1 QRR96 pKa = 11.84 PQLFITKK103 pKa = 9.19 SEE105 pKa = 4.07 KK106 pKa = 9.42 EE107 pKa = 3.82 SRR109 pKa = 11.84 NIVFNAMKK117 pKa = 9.3 TAMKK121 pKa = 10.3 RR122 pKa = 11.84 GLRR125 pKa = 3.75
Molecular weight: 14.24 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.265
IPC2_protein 9.78
IPC_protein 10.189
Toseland 10.76
ProMoST 10.452
Dawson 10.833
Bjellqvist 10.467
Wikipedia 10.994
Rodwell 11.301
Grimsley 10.877
Solomon 10.906
Lehninger 10.877
Nozaki 10.716
DTASelect 10.467
Thurlkill 10.73
EMBOSS 11.14
Sillero 10.76
Patrickios 11.023
IPC_peptide 10.906
IPC2_peptide 9.004
IPC2.peptide.svr19 8.759
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
58
0
58
12818
51
1656
221.0
25.3
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.344 ± 0.413
0.694 ± 0.136
5.968 ± 0.333
7.778 ± 0.617
4.252 ± 0.24
5.703 ± 0.659
1.841 ± 0.16
7.724 ± 0.288
9.822 ± 0.435
8.324 ± 0.27
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.504 ± 0.205
6.686 ± 0.248
2.606 ± 0.162
3.682 ± 0.26
4.002 ± 0.224
6.397 ± 0.351
5.703 ± 0.338
5.773 ± 0.258
1.038 ± 0.127
4.158 ± 0.331
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