bacterium D16-54
Average proteome isoelectric point is 6.25
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 5047 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|A0A3A9BQI8|A0A3A9BQI8_9BACT Uncharacterized protein OS=bacterium D16-54 OX=2320104 GN=D7X87_08745 PE=4 SV=1
MM1 pKa = 7.98 VIDD4 pKa = 3.34 SWEE7 pKa = 3.88 NGQYY11 pKa = 10.41 KK12 pKa = 9.43 EE13 pKa = 3.33 IWVYY17 pKa = 11.08 SKK19 pKa = 10.63 EE20 pKa = 4.25 AEE22 pKa = 4.05 DD23 pKa = 5.75 DD24 pKa = 3.6 EE25 pKa = 5.74 RR26 pKa = 11.84 AMCGLINGDD35 pKa = 3.92 WGWLNYY41 pKa = 10.16 YY42 pKa = 10.3 NEE44 pKa = 4.63 EE45 pKa = 3.78 GDD47 pKa = 3.88 AGLSSRR53 pKa = 11.84 NPNYY57 pKa = 10.27 TDD59 pKa = 3.29 TDD61 pKa = 3.69 DD62 pKa = 5.19 DD63 pKa = 3.71 EE64 pKa = 4.74 TMNFIINGEE73 pKa = 4.18 LDD75 pKa = 4.38 PFPLSYY81 pKa = 10.81 VLPAEE86 pKa = 4.21 QVMEE90 pKa = 4.09 ALEE93 pKa = 4.1 YY94 pKa = 10.71 FEE96 pKa = 5.84 KK97 pKa = 10.55 FHH99 pKa = 6.94 KK100 pKa = 10.69 LPTFITWHH108 pKa = 7.37 DD109 pKa = 3.88 DD110 pKa = 3.16 NFAA113 pKa = 4.8
Molecular weight: 13.28 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.729
IPC2_protein 3.846
IPC_protein 3.795
Toseland 3.605
ProMoST 3.948
Dawson 3.783
Bjellqvist 3.935
Wikipedia 3.694
Rodwell 3.63
Grimsley 3.516
Solomon 3.77
Lehninger 3.719
Nozaki 3.897
DTASelect 4.075
Thurlkill 3.656
EMBOSS 3.706
Sillero 3.923
Patrickios 0.947
IPC_peptide 3.77
IPC2_peptide 3.897
IPC2.peptide.svr19 3.814
Protein with the highest isoelectric point:
>tr|A0A3A9BJH3|A0A3A9BJH3_9BACT Peptidase_M56 domain-containing protein OS=bacterium D16-54 OX=2320104 GN=D7X87_14745 PE=4 SV=1
MM1 pKa = 7.67 KK2 pKa = 8.73 MTFQPKK8 pKa = 8.63 NRR10 pKa = 11.84 QRR12 pKa = 11.84 SKK14 pKa = 8.89 VHH16 pKa = 5.88 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MSTPGGRR28 pKa = 11.84 KK29 pKa = 8.77 VLASRR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 10.43 GRR39 pKa = 11.84 AKK41 pKa = 10.69 LSAA44 pKa = 3.92
Molecular weight: 4.98 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.494
IPC2_protein 11.111
IPC_protein 12.691
Toseland 12.852
ProMoST 13.349
Dawson 12.852
Bjellqvist 12.852
Wikipedia 13.334
Rodwell 12.618
Grimsley 12.896
Solomon 13.349
Lehninger 13.247
Nozaki 12.852
DTASelect 12.852
Thurlkill 12.852
EMBOSS 13.349
Sillero 12.852
Patrickios 12.34
IPC_peptide 13.349
IPC2_peptide 12.34
IPC2.peptide.svr19 9.103
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
5047
0
5047
1530207
26
4532
303.2
34.14
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.426 ± 0.043
1.559 ± 0.016
5.495 ± 0.03
7.763 ± 0.047
4.114 ± 0.027
7.496 ± 0.043
1.772 ± 0.016
6.811 ± 0.034
6.301 ± 0.035
9.041 ± 0.044
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.165 ± 0.023
4.032 ± 0.025
3.4 ± 0.019
3.652 ± 0.022
5.296 ± 0.035
5.827 ± 0.028
4.93 ± 0.028
6.625 ± 0.033
1.101 ± 0.013
4.194 ± 0.025
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