Shigella phage SP18
Average proteome isoelectric point is 6.1
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 284 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|E3SFF1|E3SFF1_9CAUD Uncharacterized protein a-gt.5 OS=Shigella phage SP18 OX=645664 GN=a-gt.5 PE=4 SV=1
MM1 pKa = 7.8 RR2 pKa = 11.84 LYY4 pKa = 10.93 DD5 pKa = 3.82 FNEE8 pKa = 4.25 AGLEE12 pKa = 4.15 HH13 pKa = 7.53 IRR15 pKa = 11.84 EE16 pKa = 4.28 CDD18 pKa = 3.83 VVDD21 pKa = 6.32 DD22 pKa = 4.97 DD23 pKa = 5.14 NQPNTIKK30 pKa = 10.67 YY31 pKa = 8.09 WFEE34 pKa = 4.98 AITDD38 pKa = 3.95 RR39 pKa = 11.84 EE40 pKa = 4.22 TGQLIKK46 pKa = 10.89 VYY48 pKa = 10.64 VVTDD52 pKa = 3.6 WAVEE56 pKa = 4.0 FSFNVMEE63 pKa = 5.94 DD64 pKa = 3.71 DD65 pKa = 3.78 TPEE68 pKa = 4.19 TLIHH72 pKa = 5.85 MAEE75 pKa = 4.12 SCIKK79 pKa = 10.31 DD80 pKa = 3.28 AYY82 pKa = 10.2 YY83 pKa = 10.93 DD84 pKa = 3.64 EE85 pKa = 5.92 DD86 pKa = 3.8 FF87 pKa = 4.89
Molecular weight: 10.32 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.756
IPC2_protein 3.897
IPC_protein 3.859
Toseland 3.656
ProMoST 4.012
Dawson 3.846
Bjellqvist 3.999
Wikipedia 3.77
Rodwell 3.681
Grimsley 3.567
Solomon 3.834
Lehninger 3.783
Nozaki 3.961
DTASelect 4.164
Thurlkill 3.706
EMBOSS 3.783
Sillero 3.973
Patrickios 1.901
IPC_peptide 3.821
IPC2_peptide 3.948
IPC2.peptide.svr19 3.872
Protein with the highest isoelectric point:
>tr|E3SF30|E3SF30_9CAUD Uncharacterized protein gp31.2 OS=Shigella phage SP18 OX=645664 GN=gp31.2 PE=4 SV=1
MM1 pKa = 7.53 AKK3 pKa = 10.16 KK4 pKa = 9.46 EE5 pKa = 4.17 VKK7 pKa = 10.53 VVDD10 pKa = 4.48 GSSKK14 pKa = 9.21 RR15 pKa = 11.84 AGYY18 pKa = 9.82 KK19 pKa = 9.3 RR20 pKa = 11.84 ASNKK24 pKa = 10.09 RR25 pKa = 11.84 INQVTDD31 pKa = 3.05 KK32 pKa = 10.71 LQARR36 pKa = 11.84 ARR38 pKa = 11.84 AVLRR42 pKa = 11.84 ADD44 pKa = 3.85 AACFGKK50 pKa = 9.94 PKK52 pKa = 10.62 AA53 pKa = 4.22
Molecular weight: 5.79 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.276
IPC2_protein 9.853
IPC_protein 10.379
Toseland 11.096
ProMoST 10.716
Dawson 11.155
Bjellqvist 10.804
Wikipedia 11.33
Rodwell 11.564
Grimsley 11.169
Solomon 11.286
Lehninger 11.257
Nozaki 11.067
DTASelect 10.804
Thurlkill 11.067
EMBOSS 11.491
Sillero 11.082
Patrickios 11.316
IPC_peptide 11.301
IPC2_peptide 9.575
IPC2.peptide.svr19 8.638
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
284
0
284
53101
37
1299
187.0
21.2
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.132 ± 0.172
1.088 ± 0.075
6.346 ± 0.109
7.299 ± 0.178
4.397 ± 0.11
6.22 ± 0.213
1.812 ± 0.093
6.81 ± 0.123
7.535 ± 0.195
7.422 ± 0.128
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.917 ± 0.111
5.399 ± 0.155
3.618 ± 0.096
3.719 ± 0.121
4.222 ± 0.105
5.851 ± 0.138
5.943 ± 0.212
6.606 ± 0.131
1.411 ± 0.056
4.252 ± 0.121
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