Escherichia phage smaasur
Average proteome isoelectric point is 5.82
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 48 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|A0A6B9X8M1|A0A6B9X8M1_9CAUD Putative polynucleotide 5' kinase/3' phosphatase OS=Escherichia phage smaasur OX=2696444 GN=smaasur_12 PE=4 SV=1
MM1 pKa = 7.59 SKK3 pKa = 11.05 LEE5 pKa = 3.95 LGQRR9 pKa = 11.84 VKK11 pKa = 11.11 SRR13 pKa = 11.84 WFGNAVGVVVYY24 pKa = 10.64 RR25 pKa = 11.84 GDD27 pKa = 3.5 TGKK30 pKa = 10.54 SLPVFDD36 pKa = 5.04 AHH38 pKa = 7.24 PDD40 pKa = 3.22 ADD42 pKa = 4.05 VYY44 pKa = 11.06 RR45 pKa = 11.84 GLASDD50 pKa = 4.68 DD51 pKa = 4.09 DD52 pKa = 4.45 DD53 pKa = 5.79 FIVLFDD59 pKa = 3.52 EE60 pKa = 4.97 AQAEE64 pKa = 4.53 GVNGEE69 pKa = 4.06 LAGVLGYY76 pKa = 10.88 GYY78 pKa = 10.6 DD79 pKa = 3.7 DD80 pKa = 5.45 DD81 pKa = 6.9 GDD83 pKa = 4.46 FEE85 pKa = 4.82 VEE87 pKa = 3.88
Molecular weight: 9.45 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.207
IPC2_protein 3.923
IPC_protein 3.897
Toseland 3.681
ProMoST 4.037
Dawson 3.897
Bjellqvist 4.113
Wikipedia 3.846
Rodwell 3.719
Grimsley 3.592
Solomon 3.884
Lehninger 3.834
Nozaki 4.012
DTASelect 4.266
Thurlkill 3.745
EMBOSS 3.859
Sillero 4.024
Patrickios 3.592
IPC_peptide 3.872
IPC2_peptide 3.986
IPC2.peptide.svr19 3.931
Protein with the highest isoelectric point:
>tr|A0A6B9X868|A0A6B9X868_9CAUD Exonuclease OS=Escherichia phage smaasur OX=2696444 GN=smaasur_16 PE=4 SV=1
MM1 pKa = 7.38 GSVGKK6 pKa = 9.72 VFKK9 pKa = 11.07 GIGSVFGLGSQAPKK23 pKa = 9.57 YY24 pKa = 8.68 TIKK27 pKa = 10.03 TDD29 pKa = 3.62 PAQVKK34 pKa = 8.82 AQAMQANLAADD45 pKa = 4.61 LSNDD49 pKa = 3.37 NTPTIQSGGQVSSASDD65 pKa = 3.31 TLSGRR70 pKa = 11.84 RR71 pKa = 11.84 RR72 pKa = 11.84 RR73 pKa = 11.84 TGTGVASNLGIGSS86 pKa = 3.69
Molecular weight: 8.64 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.178
IPC2_protein 9.531
IPC_protein 9.706
Toseland 10.613
ProMoST 10.101
Dawson 10.687
Bjellqvist 10.277
Wikipedia 10.804
Rodwell 11.213
Grimsley 10.716
Solomon 10.745
Lehninger 10.73
Nozaki 10.555
DTASelect 10.277
Thurlkill 10.584
EMBOSS 10.979
Sillero 10.599
Patrickios 11.023
IPC_peptide 10.76
IPC2_peptide 8.712
IPC2.peptide.svr19 8.665
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
48
0
48
12600
50
1033
262.5
29.05
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.151 ± 0.555
0.992 ± 0.169
6.0 ± 0.253
6.238 ± 0.444
3.429 ± 0.236
7.81 ± 0.32
1.944 ± 0.266
4.659 ± 0.201
4.611 ± 0.344
8.048 ± 0.314
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.857 ± 0.224
4.302 ± 0.378
4.325 ± 0.354
4.937 ± 0.577
5.659 ± 0.29
5.587 ± 0.393
6.127 ± 0.423
7.159 ± 0.313
1.421 ± 0.149
3.746 ± 0.249
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