Streptomyces phage Ibantik
Average proteome isoelectric point is 5.83
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 105 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|A0A2U8UP82|A0A2U8UP82_9CAUD Uncharacterized protein OS=Streptomyces phage Ibantik OX=2182397 GN=1 PE=4 SV=1
MM1 pKa = 7.29 KK2 pKa = 10.31 HH3 pKa = 6.65 RR4 pKa = 11.84 IEE6 pKa = 4.18 FTATLDD12 pKa = 3.73 VYY14 pKa = 11.51 DD15 pKa = 5.59 DD16 pKa = 5.01 DD17 pKa = 5.65 EE18 pKa = 4.7 EE19 pKa = 6.03 LDD21 pKa = 4.29 SISAAGWVHH30 pKa = 6.94 AALLYY35 pKa = 10.45 GDD37 pKa = 3.82 KK38 pKa = 10.84 HH39 pKa = 7.79 SGEE42 pKa = 4.26 FTSFLGEE49 pKa = 3.89 VTDD52 pKa = 4.21 YY53 pKa = 11.59 YY54 pKa = 11.26 SVEE57 pKa = 4.17 DD58 pKa = 4.06 EE59 pKa = 4.3 EE60 pKa = 4.65
Molecular weight: 6.82 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.785
IPC2_protein 3.986
IPC_protein 3.897
Toseland 3.719
ProMoST 4.012
Dawson 3.884
Bjellqvist 4.113
Wikipedia 3.808
Rodwell 3.745
Grimsley 3.63
Solomon 3.872
Lehninger 3.821
Nozaki 4.012
DTASelect 4.19
Thurlkill 3.77
EMBOSS 3.821
Sillero 4.024
Patrickios 1.901
IPC_peptide 3.872
IPC2_peptide 3.999
IPC2.peptide.svr19 3.941
Protein with the highest isoelectric point:
>tr|A0A2U8UNW4|A0A2U8UNW4_9CAUD Minor tail protein OS=Streptomyces phage Ibantik OX=2182397 GN=81 PE=4 SV=1
MM1 pKa = 7.54 NARR4 pKa = 11.84 IDD6 pKa = 3.33 ASRR9 pKa = 11.84 RR10 pKa = 11.84 VASMPGKK17 pKa = 9.81 QCPEE21 pKa = 4.02 GPGGRR26 pKa = 11.84 DD27 pKa = 4.18 CYY29 pKa = 11.23 CCGQPPGKK37 pKa = 9.8 DD38 pKa = 2.24 RR39 pKa = 11.84 KK40 pKa = 9.05 VKK42 pKa = 10.09 RR43 pKa = 11.84 RR44 pKa = 11.84 AVKK47 pKa = 10.46 RR48 pKa = 11.84 GDD50 pKa = 3.25 EE51 pKa = 4.29 SKK53 pKa = 10.47 FRR55 pKa = 11.84 QSIRR59 pKa = 11.84 KK60 pKa = 8.41 YY61 pKa = 10.48 LSRR64 pKa = 5.4
Molecular weight: 7.24 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.348
IPC2_protein 9.619
IPC_protein 10.175
Toseland 10.73
ProMoST 10.613
Dawson 10.804
Bjellqvist 10.496
Wikipedia 10.979
Rodwell 11.111
Grimsley 10.833
Solomon 10.906
Lehninger 10.891
Nozaki 10.73
DTASelect 10.467
Thurlkill 10.716
EMBOSS 11.125
Sillero 10.745
Patrickios 10.862
IPC_peptide 10.921
IPC2_peptide 9.677
IPC2.peptide.svr19 8.663
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
105
0
105
17028
32
1568
162.2
18.05
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.709 ± 0.282
1.398 ± 0.25
6.513 ± 0.202
7.464 ± 0.413
3.165 ± 0.173
8.416 ± 0.47
2.061 ± 0.168
4.17 ± 0.173
5.244 ± 0.318
7.629 ± 0.228
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.437 ± 0.105
3.389 ± 0.222
4.763 ± 0.273
3.612 ± 0.283
6.378 ± 0.254
6.331 ± 0.224
5.749 ± 0.255
7.088 ± 0.259
2.114 ± 0.126
3.371 ± 0.18
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