Lactobacillus sakei subsp. sakei (strain 23K)
Average proteome isoelectric point is 6.51
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 1872 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|Q38VG6|Q38VG6_LACSS Putative priming glycosyl transferase OS=Lactobacillus sakei subsp. sakei (strain 23K) OX=314315 GN=LCA_1510_g PE=3 SV=1
MM1 pKa = 7.11 ATAKK5 pKa = 10.11 VVYY8 pKa = 10.71 ASMTGNNEE16 pKa = 3.75 EE17 pKa = 3.89 IADD20 pKa = 3.77 IVEE23 pKa = 4.14 EE24 pKa = 4.05 ALEE27 pKa = 4.11 NLDD30 pKa = 3.57 VSVEE34 pKa = 4.08 TSEE37 pKa = 5.29 ISQADD42 pKa = 3.48 PSDD45 pKa = 4.64 FEE47 pKa = 4.76 DD48 pKa = 3.42 TDD50 pKa = 3.42 ICIVCSYY57 pKa = 10.64 TYY59 pKa = 11.11 GDD61 pKa = 5.25 DD62 pKa = 4.25 GDD64 pKa = 5.07 LPDD67 pKa = 4.27 EE68 pKa = 4.6 AVDD71 pKa = 4.29 FYY73 pKa = 11.82 EE74 pKa = 5.25 DD75 pKa = 3.89 LKK77 pKa = 11.71 EE78 pKa = 3.78 MDD80 pKa = 4.04 LTGKK84 pKa = 10.55 VYY86 pKa = 9.98 GVCGSGDD93 pKa = 3.21 TFYY96 pKa = 11.46 DD97 pKa = 3.86 EE98 pKa = 4.35 FCKK101 pKa = 10.99 VVDD104 pKa = 4.09 DD105 pKa = 4.13 FAGVFEE111 pKa = 4.32 QTGATKK117 pKa = 10.58 GSDD120 pKa = 3.49 VVKK123 pKa = 10.93 VDD125 pKa = 4.52 LAPEE129 pKa = 4.46 AEE131 pKa = 4.85 DD132 pKa = 3.99 IEE134 pKa = 4.44 HH135 pKa = 6.77 LEE137 pKa = 4.11 KK138 pKa = 10.67 FVAEE142 pKa = 4.39 IVAKK146 pKa = 10.61 QSALL150 pKa = 3.48
Molecular weight: 16.28 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.749
IPC2_protein 3.592
IPC_protein 3.579
Toseland 3.376
ProMoST 3.745
Dawson 3.579
Bjellqvist 3.732
Wikipedia 3.503
Rodwell 3.414
Grimsley 3.287
Solomon 3.567
Lehninger 3.516
Nozaki 3.694
DTASelect 3.897
Thurlkill 3.427
EMBOSS 3.516
Sillero 3.706
Patrickios 0.985
IPC_peptide 3.554
IPC2_peptide 3.681
IPC2.peptide.svr19 3.685
Protein with the highest isoelectric point:
>tr|Q38UF6|Q38UF6_LACSS Uncharacterized protein OS=Lactobacillus sakei subsp. sakei (strain 23K) OX=314315 GN=LCA_1873 PE=4 SV=1
MM1 pKa = 5.72 TTKK4 pKa = 9.85 RR5 pKa = 11.84 TFQPKK10 pKa = 9.03 KK11 pKa = 7.46 RR12 pKa = 11.84 HH13 pKa = 5.51 KK14 pKa = 9.79 EE15 pKa = 3.74 RR16 pKa = 11.84 VHH18 pKa = 8.0 GFMKK22 pKa = 10.62 RR23 pKa = 11.84 MNTKK27 pKa = 10.02 NGRR30 pKa = 11.84 KK31 pKa = 8.78 VLARR35 pKa = 11.84 RR36 pKa = 11.84 RR37 pKa = 11.84 AKK39 pKa = 9.94 GRR41 pKa = 11.84 KK42 pKa = 8.67 VLSAA46 pKa = 4.05
Molecular weight: 5.52 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.382
IPC2_protein 10.833
IPC_protein 12.384
Toseland 12.559
ProMoST 13.042
Dawson 12.559
Bjellqvist 12.544
Wikipedia 13.027
Rodwell 12.398
Grimsley 12.603
Solomon 13.056
Lehninger 12.954
Nozaki 12.559
DTASelect 12.544
Thurlkill 12.559
EMBOSS 13.056
Sillero 12.559
Patrickios 12.135
IPC_peptide 13.056
IPC2_peptide 12.032
IPC2.peptide.svr19 9.025
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
1872
0
1872
542104
8
1987
289.6
32.19
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.783 ± 0.064
0.487 ± 0.014
5.439 ± 0.056
5.554 ± 0.068
4.119 ± 0.039
6.625 ± 0.055
2.011 ± 0.026
7.179 ± 0.053
5.867 ± 0.047
10.201 ± 0.075
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.754 ± 0.029
4.35 ± 0.045
3.739 ± 0.03
5.478 ± 0.059
3.915 ± 0.047
5.415 ± 0.048
6.595 ± 0.063
7.103 ± 0.05
0.975 ± 0.021
3.412 ± 0.035
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