Streptococcus phage EJ-1
Average proteome isoelectric point is 6.33
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 73 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|Q708Q5|Q708Q5_9CAUD Uncharacterized protein OS=Streptococcus phage EJ-1 OX=12402 PE=4 SV=1
MM1 pKa = 8.03 RR2 pKa = 11.84 MFDD5 pKa = 3.7 YY6 pKa = 10.83 DD7 pKa = 4.35 RR8 pKa = 11.84 DD9 pKa = 3.51 IMQPPEE15 pKa = 3.98 EE16 pKa = 4.68 RR17 pKa = 11.84 EE18 pKa = 3.79 EE19 pKa = 4.45 LDD21 pKa = 3.34 PSEE24 pKa = 4.53 YY25 pKa = 9.9 IYY27 pKa = 10.75 VGCGQYY33 pKa = 10.33 RR34 pKa = 11.84 YY35 pKa = 10.77 VGDD38 pKa = 3.84 EE39 pKa = 3.92 VV40 pKa = 3.41
Molecular weight: 4.9 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.84
IPC2_protein 4.075
IPC_protein 3.923
Toseland 3.745
ProMoST 4.075
Dawson 3.897
Bjellqvist 4.05
Wikipedia 3.821
Rodwell 3.757
Grimsley 3.656
Solomon 3.872
Lehninger 3.821
Nozaki 4.024
DTASelect 4.164
Thurlkill 3.795
EMBOSS 3.821
Sillero 4.037
Patrickios 0.693
IPC_peptide 3.872
IPC2_peptide 4.012
IPC2.peptide.svr19 3.938
Protein with the highest isoelectric point:
>tr|Q708M4|Q708M4_9CAUD Uncharacterized protein OS=Streptococcus phage EJ-1 OX=12402 PE=4 SV=1
MM1 pKa = 7.61 SGGFDD6 pKa = 3.21 YY7 pKa = 11.09 RR8 pKa = 11.84 SFAKK12 pKa = 10.33 FANNFNRR19 pKa = 11.84 NANHH23 pKa = 6.46 AKK25 pKa = 9.35 VDD27 pKa = 3.23 RR28 pKa = 11.84 FMRR31 pKa = 11.84 QTLNYY36 pKa = 9.37 EE37 pKa = 3.93 GTEE40 pKa = 3.99 LKK42 pKa = 10.86 SKK44 pKa = 10.39 VKK46 pKa = 10.06 EE47 pKa = 3.88 RR48 pKa = 11.84 TPVGVYY54 pKa = 8.64 TDD56 pKa = 3.18 HH57 pKa = 6.61 WVEE60 pKa = 4.09 FTTKK64 pKa = 10.25 DD65 pKa = 3.33 GKK67 pKa = 9.88 HH68 pKa = 4.21 VKK70 pKa = 10.04 FWASAHH76 pKa = 5.76 GKK78 pKa = 9.61 QGGTLQKK85 pKa = 9.74 GWSKK89 pKa = 11.29 SRR91 pKa = 11.84 IEE93 pKa = 4.13 VSGRR97 pKa = 11.84 TYY99 pKa = 9.87 KK100 pKa = 10.53 QKK102 pKa = 10.84 VYY104 pKa = 10.99 NKK106 pKa = 9.57 VYY108 pKa = 9.12 YY109 pKa = 9.95 APHH112 pKa = 6.49 VEE114 pKa = 4.3 YY115 pKa = 10.69 GHH117 pKa = 5.95 KK118 pKa = 8.85 TVNGGFVPGQFFLHH132 pKa = 6.0 KK133 pKa = 9.13 TVEE136 pKa = 4.26 DD137 pKa = 3.81 TKK139 pKa = 11.42 SDD141 pKa = 3.33 MEE143 pKa = 3.97 KK144 pKa = 10.28 RR145 pKa = 11.84 VRR147 pKa = 11.84 DD148 pKa = 3.71 KK149 pKa = 11.45 YY150 pKa = 11.13 DD151 pKa = 2.79 GFMRR155 pKa = 11.84 KK156 pKa = 8.24 VVLGNGKK163 pKa = 9.57
Molecular weight: 18.86 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.089
IPC2_protein 9.414
IPC_protein 9.355
Toseland 10.145
ProMoST 9.794
Dawson 10.306
Bjellqvist 9.94
Wikipedia 10.452
Rodwell 10.891
Grimsley 10.365
Solomon 10.321
Lehninger 10.306
Nozaki 10.101
DTASelect 9.94
Thurlkill 10.16
EMBOSS 10.526
Sillero 10.218
Patrickios 10.57
IPC_peptide 10.335
IPC2_peptide 8.375
IPC2.peptide.svr19 8.467
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
73
0
73
13205
34
748
180.9
20.65
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.285 ± 0.472
0.75 ± 0.094
6.543 ± 0.217
8.201 ± 0.487
4.029 ± 0.176
5.884 ± 0.392
1.568 ± 0.139
6.725 ± 0.265
8.663 ± 0.35
8.701 ± 0.253
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.628 ± 0.218
5.445 ± 0.183
2.764 ± 0.184
3.885 ± 0.169
4.604 ± 0.23
5.498 ± 0.238
5.808 ± 0.25
6.808 ± 0.298
1.227 ± 0.132
3.983 ± 0.197
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