Shigella phage Sf21
Average proteome isoelectric point is 6.12
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 266 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|A0A2K9VMP4|A0A2K9VMP4_9CAUD Uncharacterized protein OS=Shigella phage Sf21 OX=2024308 GN=Sf21_gp72 PE=4 SV=1
MM1 pKa = 8.24 DD2 pKa = 4.05 YY3 pKa = 10.82 AIKK6 pKa = 9.76 PWWAARR12 pKa = 11.84 WEE14 pKa = 4.45 TVEE17 pKa = 4.62 PEE19 pKa = 4.09 PEE21 pKa = 3.97 EE22 pKa = 3.69 PVYY25 pKa = 10.7 TDD27 pKa = 3.78 EE28 pKa = 3.95 EE29 pKa = 4.62 TIYY32 pKa = 11.07 NEE34 pKa = 3.65 PTINDD39 pKa = 4.85 LIDD42 pKa = 3.12 MEE44 pKa = 4.59 MGHH47 pKa = 7.03 DD48 pKa = 3.76 YY49 pKa = 11.32 SRR51 pKa = 4.75
Molecular weight: 6.18 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.793
IPC2_protein 3.935
IPC_protein 3.808
Toseland 3.643
ProMoST 3.948
Dawson 3.77
Bjellqvist 3.935
Wikipedia 3.681
Rodwell 3.656
Grimsley 3.567
Solomon 3.745
Lehninger 3.706
Nozaki 3.91
DTASelect 4.012
Thurlkill 3.694
EMBOSS 3.694
Sillero 3.923
Patrickios 1.863
IPC_peptide 3.757
IPC2_peptide 3.897
IPC2.peptide.svr19 3.828
Protein with the highest isoelectric point:
>tr|A0A2K9VND4|A0A2K9VND4_9CAUD RIIB protein OS=Shigella phage Sf21 OX=2024308 GN=Sf21_gp266 PE=4 SV=1
MM1 pKa = 7.82 KK2 pKa = 10.79 YY3 pKa = 7.56 MTATDD8 pKa = 4.54 LNNAGATVIGTIKK21 pKa = 10.4 NGEE24 pKa = 4.07 WFLGTPHH31 pKa = 7.51 KK32 pKa = 11.0 DD33 pKa = 3.38 FLSKK37 pKa = 10.45 PGFYY41 pKa = 10.64 FLVSKK46 pKa = 11.06 LDD48 pKa = 3.42 GRR50 pKa = 11.84 PFSNPCVSARR60 pKa = 11.84 FYY62 pKa = 11.36 VGNQRR67 pKa = 11.84 SKK69 pKa = 10.58 QGFSAVLSHH78 pKa = 6.11 IRR80 pKa = 11.84 QRR82 pKa = 11.84 RR83 pKa = 11.84 SQLARR88 pKa = 11.84 TIANNNVPYY97 pKa = 10.75 AVFYY101 pKa = 11.17 LPASKK106 pKa = 9.84 MKK108 pKa = 10.21 PLTTGFGKK116 pKa = 10.64 GQLALAFTRR125 pKa = 11.84 NHH127 pKa = 5.74 HH128 pKa = 6.17 SEE130 pKa = 4.15 YY131 pKa = 9.53 QTLEE135 pKa = 3.57 EE136 pKa = 4.44 MNRR139 pKa = 11.84 MLADD143 pKa = 3.15 NFKK146 pKa = 10.83 FVLQAYY152 pKa = 9.08
Molecular weight: 17.18 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.226
IPC2_protein 9.633
IPC_protein 9.809
Toseland 10.16
ProMoST 9.897
Dawson 10.365
Bjellqvist 10.043
Wikipedia 10.555
Rodwell 10.789
Grimsley 10.452
Solomon 10.394
Lehninger 10.365
Nozaki 10.145
DTASelect 10.043
Thurlkill 10.218
EMBOSS 10.57
Sillero 10.277
Patrickios 10.452
IPC_peptide 10.394
IPC2_peptide 8.756
IPC2.peptide.svr19 8.612
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
266
0
266
51969
32
1289
195.4
22.21
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.361 ± 0.173
1.105 ± 0.079
6.321 ± 0.102
7.354 ± 0.16
4.505 ± 0.108
5.977 ± 0.204
1.672 ± 0.074
7.558 ± 0.137
7.893 ± 0.21
7.366 ± 0.126
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.721 ± 0.094
5.605 ± 0.123
3.429 ± 0.094
3.379 ± 0.093
4.156 ± 0.104
6.642 ± 0.156
5.663 ± 0.218
6.531 ± 0.122
1.409 ± 0.056
4.353 ± 0.117
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