Streptococcus phage A25
Average proteome isoelectric point is 6.64
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 46 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|A0A0M5M629|A0A0M5M629_9CAUD Uncharacterized protein OS=Streptococcus phage A25 OX=1701850 GN=A25_21 PE=4 SV=1
MM1 pKa = 7.27 QNNKK5 pKa = 8.99 NFQEE9 pKa = 4.11 VLLDD13 pKa = 4.13 HH14 pKa = 6.99 INAIKK19 pKa = 10.33 DD20 pKa = 3.67 LPIKK24 pKa = 10.66 CRR26 pKa = 11.84 LDD28 pKa = 3.44 YY29 pKa = 11.27 FNDD32 pKa = 3.51 EE33 pKa = 4.31 GDD35 pKa = 4.06 DD36 pKa = 3.81 LVINAIPGGKK46 pKa = 8.46 IVKK49 pKa = 9.76 EE50 pKa = 3.91 YY51 pKa = 10.31 MDD53 pKa = 3.71 LTRR56 pKa = 11.84 EE57 pKa = 3.66 VSLPFEE63 pKa = 4.17 IAVKK67 pKa = 10.5 SKK69 pKa = 10.66 NNRR72 pKa = 11.84 LASDD76 pKa = 4.9 IIWKK80 pKa = 10.26 INGDD84 pKa = 3.51 LSEE87 pKa = 5.09 FDD89 pKa = 5.42 LEE91 pKa = 5.17 LLSTDD96 pKa = 3.71 DD97 pKa = 4.05 SYY99 pKa = 12.05 HH100 pKa = 5.87 FLSLEE105 pKa = 3.76 VDD107 pKa = 3.26 KK108 pKa = 11.33 PGINGQDD115 pKa = 3.21 EE116 pKa = 4.32 QGYY119 pKa = 9.4 FIYY122 pKa = 10.15 TLQVQALIEE131 pKa = 4.04 IEE133 pKa = 3.93 KK134 pKa = 10.9 GEE136 pKa = 4.03 EE137 pKa = 3.83 HH138 pKa = 6.9 GG139 pKa = 4.75
Molecular weight: 15.89 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.444
IPC2_protein 4.368
IPC_protein 4.304
Toseland 4.126
ProMoST 4.431
Dawson 4.266
Bjellqvist 4.418
Wikipedia 4.164
Rodwell 4.139
Grimsley 4.037
Solomon 4.266
Lehninger 4.215
Nozaki 4.38
DTASelect 4.558
Thurlkill 4.151
EMBOSS 4.177
Sillero 4.418
Patrickios 3.808
IPC_peptide 4.266
IPC2_peptide 4.406
IPC2.peptide.svr19 4.34
Protein with the highest isoelectric point:
>tr|A0A0M5M1N5|A0A0M5M1N5_9CAUD Putative capsid protein OS=Streptococcus phage A25 OX=1701850 GN=A25_34 PE=4 SV=1
MM1 pKa = 7.68 LGQEE5 pKa = 4.16 IDD7 pKa = 3.27 KK8 pKa = 10.59 LQNKK12 pKa = 8.71 VIALTRR18 pKa = 11.84 EE19 pKa = 3.51 NDD21 pKa = 3.3 RR22 pKa = 11.84 PKK24 pKa = 10.95 AEE26 pKa = 3.57 KK27 pKa = 9.22 WQLKK31 pKa = 8.1 RR32 pKa = 11.84 RR33 pKa = 11.84 KK34 pKa = 9.5 RR35 pKa = 11.84 KK36 pKa = 9.37
Molecular weight: 4.42 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.185
IPC2_protein 9.633
IPC_protein 9.882
Toseland 11.023
ProMoST 10.643
Dawson 11.052
Bjellqvist 10.672
Wikipedia 11.199
Rodwell 11.506
Grimsley 11.067
Solomon 11.184
Lehninger 11.169
Nozaki 10.979
DTASelect 10.672
Thurlkill 10.979
EMBOSS 11.418
Sillero 10.994
Patrickios 11.272
IPC_peptide 11.199
IPC2_peptide 8.975
IPC2.peptide.svr19 8.794
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
46
0
46
10639
36
1235
231.3
25.88
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.754 ± 1.102
0.479 ± 0.092
6.42 ± 0.426
6.138 ± 0.57
4.145 ± 0.221
7.04 ± 0.73
1.485 ± 0.181
6.824 ± 0.215
8.234 ± 0.52
7.83 ± 0.279
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.698 ± 0.187
5.593 ± 0.435
2.754 ± 0.241
3.854 ± 0.234
3.92 ± 0.286
6.504 ± 0.477
6.617 ± 0.384
6.514 ± 0.284
1.184 ± 0.179
4.014 ± 0.411
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