Proteus phage phiP4-3
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 270 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|A0A2I6PFF3|A0A2I6PFF3_9CAUD RNA ligase 2 OS=Proteus phage phiP4-3 OX=2065203 GN=phiP43_097 PE=3 SV=1
MM1 pKa = 7.55 KK2 pKa = 10.09 KK3 pKa = 10.61 YY4 pKa = 10.4 IVWCEE9 pKa = 3.68 DD10 pKa = 3.22 LEE12 pKa = 5.42 LGFTTSNYY20 pKa = 10.02 QLALDD25 pKa = 3.86 IKK27 pKa = 10.77 NNNTEE32 pKa = 4.16 CIIDD36 pKa = 3.54 EE37 pKa = 4.33 SEE39 pKa = 4.5 YY40 pKa = 10.74 PGIAAMAFDD49 pKa = 4.56 FCDD52 pKa = 3.42 LTEE55 pKa = 4.37 DD56 pKa = 3.82 TEE58 pKa = 4.28 LTIIEE63 pKa = 4.39 VKK65 pKa = 10.65
Molecular weight: 7.47 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.772
IPC2_protein 3.884
IPC_protein 3.77
Toseland 3.592
ProMoST 3.923
Dawson 3.745
Bjellqvist 3.91
Wikipedia 3.668
Rodwell 3.605
Grimsley 3.503
Solomon 3.719
Lehninger 3.668
Nozaki 3.884
DTASelect 4.024
Thurlkill 3.643
EMBOSS 3.681
Sillero 3.884
Patrickios 0.693
IPC_peptide 3.719
IPC2_peptide 3.859
IPC2.peptide.svr19 3.799
Protein with the highest isoelectric point:
>tr|A0A2I6PFD0|A0A2I6PFD0_9CAUD Baseplate hub assembly protein OS=Proteus phage phiP4-3 OX=2065203 GN=phiP43_080 PE=4 SV=1
MM1 pKa = 7.58 SEE3 pKa = 3.69 RR4 pKa = 11.84 KK5 pKa = 9.54 GYY7 pKa = 9.36 KK8 pKa = 9.49 RR9 pKa = 11.84 KK10 pKa = 7.77 TNKK13 pKa = 10.2 RR14 pKa = 11.84 INQEE18 pKa = 3.86 LNKK21 pKa = 10.55 LVGFVKK27 pKa = 10.29 RR28 pKa = 11.84 QEE30 pKa = 3.69 NGRR33 pKa = 11.84 AKK35 pKa = 10.51 FLANLGNKK43 pKa = 8.71 KK44 pKa = 10.29
Molecular weight: 5.19 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.242
IPC2_protein 10.087
IPC_protein 10.95
Toseland 11.374
ProMoST 11.345
Dawson 11.418
Bjellqvist 11.169
Wikipedia 11.667
Rodwell 11.754
Grimsley 11.433
Solomon 11.652
Lehninger 11.608
Nozaki 11.359
DTASelect 11.169
Thurlkill 11.359
EMBOSS 11.798
Sillero 11.359
Patrickios 11.506
IPC_peptide 11.667
IPC2_peptide 10.116
IPC2.peptide.svr19 8.508
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
270
0
270
53047
41
1218
196.5
22.47
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.909 ± 0.146
1.25 ± 0.076
6.5 ± 0.108
7.397 ± 0.126
4.526 ± 0.101
5.644 ± 0.156
1.738 ± 0.067
7.927 ± 0.151
8.77 ± 0.175
8.381 ± 0.124
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.368 ± 0.076
6.032 ± 0.114
3.386 ± 0.084
3.182 ± 0.087
3.61 ± 0.1
6.845 ± 0.107
5.606 ± 0.145
6.002 ± 0.108
1.252 ± 0.055
4.675 ± 0.12
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