Lactobacillus phage Lb
Average proteome isoelectric point is 6.38
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 61 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|A0A2Z2U845|A0A2Z2U845_9CAUD Uncharacterized protein OS=Lactobacillus phage Lb OX=2048517 GN=Lb_41 PE=4 SV=1
MM1 pKa = 7.87 PIYY4 pKa = 9.97 YY5 pKa = 9.93 VKK7 pKa = 10.16 PDD9 pKa = 3.91 SDD11 pKa = 3.78 NKK13 pKa = 10.46 FPDD16 pKa = 4.79 GITAEE21 pKa = 4.35 DD22 pKa = 3.82 YY23 pKa = 11.0 KK24 pKa = 11.28 AITGEE29 pKa = 4.19 AYY31 pKa = 10.29 VASTTQAPTTQAPTAQATTTSTTNN55 pKa = 2.94
Molecular weight: 5.85 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.937
IPC2_protein 4.329
IPC_protein 4.062
Toseland 3.872
ProMoST 4.253
Dawson 4.062
Bjellqvist 4.228
Wikipedia 4.037
Rodwell 3.91
Grimsley 3.808
Solomon 4.037
Lehninger 3.999
Nozaki 4.215
DTASelect 4.418
Thurlkill 3.961
EMBOSS 4.05
Sillero 4.19
Patrickios 1.977
IPC_peptide 4.037
IPC2_peptide 4.164
IPC2.peptide.svr19 4.092
Protein with the highest isoelectric point:
>tr|A0A2Z2U825|A0A2Z2U825_9CAUD Uncharacterized protein OS=Lactobacillus phage Lb OX=2048517 GN=Lb_27 PE=4 SV=1
MM1 pKa = 7.71 SSNKK5 pKa = 9.47 KK6 pKa = 8.31 MAATIRR12 pKa = 11.84 AAYY15 pKa = 9.7 ANYY18 pKa = 10.74 GDD20 pKa = 6.1 DD21 pKa = 3.81 PDD23 pKa = 4.03 NWPEE27 pKa = 3.9 DD28 pKa = 3.54 VKK30 pKa = 11.39 KK31 pKa = 10.41 EE32 pKa = 3.79 IRR34 pKa = 11.84 GQTEE38 pKa = 3.84 EE39 pKa = 3.79 QHH41 pKa = 5.15 TAEE44 pKa = 4.18 NKK46 pKa = 9.58 ILRR49 pKa = 11.84 HH50 pKa = 6.24 LILHH54 pKa = 7.16 GYY56 pKa = 5.47 TNKK59 pKa = 10.13 YY60 pKa = 8.27 VAQEE64 pKa = 3.93 RR65 pKa = 11.84 SKK67 pKa = 9.57 TPQYY71 pKa = 10.13 IQQLRR76 pKa = 11.84 GRR78 pKa = 11.84 MKK80 pKa = 10.6 RR81 pKa = 11.84 RR82 pKa = 11.84 DD83 pKa = 3.78 EE84 pKa = 4.51 LNYY87 pKa = 10.25 QATPDD92 pKa = 3.73 EE93 pKa = 4.31 LTQLKK98 pKa = 10.89 YY99 pKa = 10.66 NVKK102 pKa = 10.27 HH103 pKa = 5.64 MNRR106 pKa = 11.84 PNNQGVASVMGRR118 pKa = 11.84 DD119 pKa = 3.88 KK120 pKa = 11.44 DD121 pKa = 3.32 WVRR124 pKa = 11.84 CMRR127 pKa = 11.84 EE128 pKa = 3.83 KK129 pKa = 10.79 LRR131 pKa = 11.84 EE132 pKa = 3.99 AANEE136 pKa = 3.88 TRR138 pKa = 11.84 RR139 pKa = 3.65
Molecular weight: 16.43 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.136
IPC2_protein 9.092
IPC_protein 9.107
Toseland 9.75
ProMoST 9.589
Dawson 9.984
Bjellqvist 9.677
Wikipedia 10.175
Rodwell 10.306
Grimsley 10.072
Solomon 10.028
Lehninger 9.984
Nozaki 9.75
DTASelect 9.663
Thurlkill 9.823
EMBOSS 10.16
Sillero 9.897
Patrickios 7.629
IPC_peptide 10.028
IPC2_peptide 8.244
IPC2.peptide.svr19 8.175
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
61
0
61
12675
37
1317
207.8
23.17
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.471 ± 0.36
0.544 ± 0.125
6.982 ± 0.343
5.176 ± 0.344
3.471 ± 0.174
7.132 ± 0.631
1.886 ± 0.198
5.704 ± 0.276
7.905 ± 0.579
7.582 ± 0.249
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.817 ± 0.218
6.067 ± 0.272
3.172 ± 0.25
4.718 ± 0.224
3.621 ± 0.249
6.895 ± 0.376
7.14 ± 0.405
6.462 ± 0.295
1.341 ± 0.146
3.913 ± 0.36
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