Vibrio phage VSK
Average proteome isoelectric point is 7.28
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 14 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|Q8SDJ2|Q8SDJ2_9VIRU Major coat protein OS=Vibrio phage VSK OX=181604 GN=orf49 PE=4 SV=1
MM1 pKa = 7.47 SGFIAALNSDD11 pKa = 3.98 NKK13 pKa = 10.36 GANAPFFMVMFMRR26 pKa = 11.84 KK27 pKa = 9.19 LFIISLVISLYY38 pKa = 9.35 FTALPEE44 pKa = 3.93 FAAYY48 pKa = 9.47 QLPFDD53 pKa = 3.86 QTKK56 pKa = 8.61 TFPTVQAAAEE66 pKa = 4.38 YY67 pKa = 9.69 YY68 pKa = 10.96 ANLLGGTSCKK78 pKa = 10.4 ADD80 pKa = 3.16 GNRR83 pKa = 11.84 FKK85 pKa = 10.61 IYY87 pKa = 9.57 RR88 pKa = 11.84 VKK90 pKa = 10.74 SISDD94 pKa = 3.33 PSFVIFQQEE103 pKa = 4.26 TYY105 pKa = 10.95 LDD107 pKa = 3.7 NKK109 pKa = 10.05 CQVFSSKK116 pKa = 11.03 GDD118 pKa = 3.25 ISVTLIVVDD127 pKa = 5.79 DD128 pKa = 3.96 PTTPCEE134 pKa = 3.88 ASKK137 pKa = 10.95 GQTGKK142 pKa = 10.93 VGWNSYY148 pKa = 7.76 FWGSATPSRR157 pKa = 11.84 DD158 pKa = 2.99 ICSSALMGGCVALTGDD174 pKa = 4.41 HH175 pKa = 6.66 LCVNIDD181 pKa = 3.93 PEE183 pKa = 4.44 HH184 pKa = 6.85 KK185 pKa = 9.6 IDD187 pKa = 4.01 PSLYY191 pKa = 8.87 EE192 pKa = 4.39 CEE194 pKa = 3.99 ALYY197 pKa = 10.17 IVQDD201 pKa = 4.32 TPWSPSEE208 pKa = 3.88
Molecular weight: 22.89 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.537
IPC2_protein 4.838
IPC_protein 4.724
Toseland 4.571
ProMoST 4.762
Dawson 4.698
Bjellqvist 4.889
Wikipedia 4.596
Rodwell 4.571
Grimsley 4.482
Solomon 4.698
Lehninger 4.647
Nozaki 4.813
DTASelect 5.016
Thurlkill 4.584
EMBOSS 4.622
Sillero 4.851
Patrickios 2.053
IPC_peptide 4.698
IPC2_peptide 4.838
IPC2.peptide.svr19 4.804
Protein with the highest isoelectric point:
>tr|Q8W6D7|Q8W6D7_9VIRU Repressor 2 OS=Vibrio phage VSK OX=181604 GN=orf152 PE=4 SV=1
MM1 pKa = 7.54 ANSARR6 pKa = 11.84 NKK8 pKa = 9.97 PLSQSVNPFVTIQLTSGALPRR29 pKa = 11.84 FLAYY33 pKa = 10.25 GGFNSDD39 pKa = 2.52 GSQRR43 pKa = 11.84 FSVTSVSTDD52 pKa = 2.81 AHH54 pKa = 6.7 KK55 pKa = 10.72 MPLPTANAILPKK67 pKa = 10.13 IKK69 pKa = 10.48 RR70 pKa = 11.84 NWPLAQISYY79 pKa = 8.36 QVKK82 pKa = 9.77
Molecular weight: 8.93 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.286
IPC2_protein 10.058
IPC_protein 10.716
Toseland 10.935
ProMoST 10.657
Dawson 11.023
Bjellqvist 10.687
Wikipedia 11.199
Rodwell 11.418
Grimsley 11.052
Solomon 11.125
Lehninger 11.096
Nozaki 10.906
DTASelect 10.687
Thurlkill 10.921
EMBOSS 11.33
Sillero 10.935
Patrickios 11.199
IPC_peptide 11.125
IPC2_peptide 9.399
IPC2.peptide.svr19 8.309
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
14
0
14
2039
49
368
145.6
16.32
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.572 ± 0.433
1.864 ± 0.321
5.101 ± 0.482
4.61 ± 0.568
4.953 ± 0.277
5.787 ± 0.427
1.864 ± 0.455
7.062 ± 0.743
6.229 ± 0.479
9.269 ± 0.961
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.845 ± 0.324
4.365 ± 0.467
5.836 ± 0.514
3.678 ± 0.417
5.101 ± 0.813
8.043 ± 0.797
6.327 ± 0.695
6.13 ± 0.313
1.128 ± 0.164
3.237 ± 0.451
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