Lactobacillus johnsonii (strain CNCM I-12250 / La1 / NCC 533)
Average proteome isoelectric point is 6.9
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 1809 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|Q74JS7|Q74JS7_LACJO Glycos_transf_1 domain-containing protein OS=Lactobacillus johnsonii (strain CNCM I-12250 / La1 / NCC 533) OX=257314 GN=LJ_1028 PE=4 SV=1
MM1 pKa = 7.7 KK2 pKa = 10.25 DD3 pKa = 3.41 SEE5 pKa = 4.67 IEE7 pKa = 4.34 LIGQNAMNWLKK18 pKa = 11.07 EE19 pKa = 3.96 NIHH22 pKa = 6.41 FIKK25 pKa = 10.41 AGSDD29 pKa = 3.36 IEE31 pKa = 4.52 VATPLIGAYY40 pKa = 10.18 GDD42 pKa = 5.79 LVYY45 pKa = 10.82 CWIEE49 pKa = 4.41 KK50 pKa = 10.18 EE51 pKa = 3.63 DD52 pKa = 3.81 DD53 pKa = 3.68 YY54 pKa = 12.12 YY55 pKa = 11.37 RR56 pKa = 11.84 ITDD59 pKa = 3.94 DD60 pKa = 4.29 GGTLFKK66 pKa = 10.79 LDD68 pKa = 4.1 PGQEE72 pKa = 4.01 NMDD75 pKa = 4.27 LLEE78 pKa = 4.13 EE79 pKa = 4.43 AMDD82 pKa = 3.67 IVIGAGFEE90 pKa = 4.2 FDD92 pKa = 4.3 EE93 pKa = 4.72 EE94 pKa = 4.3 TLEE97 pKa = 4.17 IYY99 pKa = 10.44 QVVDD103 pKa = 3.13 QDD105 pKa = 5.8 DD106 pKa = 3.79 IPATLNDD113 pKa = 3.67 LTQLQVALTYY123 pKa = 10.46 LASS126 pKa = 3.53
Molecular weight: 14.21 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.777
IPC2_protein 3.643
IPC_protein 3.617
Toseland 3.414
ProMoST 3.783
Dawson 3.605
Bjellqvist 3.77
Wikipedia 3.541
Rodwell 3.452
Grimsley 3.325
Solomon 3.592
Lehninger 3.541
Nozaki 3.732
DTASelect 3.935
Thurlkill 3.465
EMBOSS 3.554
Sillero 3.732
Patrickios 1.812
IPC_peptide 3.592
IPC2_peptide 3.706
IPC2.peptide.svr19 3.708
Protein with the highest isoelectric point:
>tr|Q74L39|Q74L39_LACJO Uncharacterized protein OS=Lactobacillus johnsonii (strain CNCM I-12250 / La1 / NCC 533) OX=257314 GN=LJ_0386 PE=4 SV=1
MM1 pKa = 7.39 MISIPIFILAIIIGIICLWVGFRR24 pKa = 11.84 IKK26 pKa = 10.69 GNQAVFGRR34 pKa = 11.84 VLSTNRR40 pKa = 11.84 QTWARR45 pKa = 11.84 FWLTAGWVIIIIAGCYY61 pKa = 9.18 LLFMIILHH69 pKa = 6.81 FYY71 pKa = 11.31 LKK73 pKa = 9.84 MM74 pKa = 4.19
Molecular weight: 8.59 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.329
IPC2_protein 9.911
IPC_protein 10.687
Toseland 10.54
ProMoST 10.292
Dawson 10.701
Bjellqvist 10.452
Wikipedia 10.921
Rodwell 10.921
Grimsley 10.774
Solomon 10.789
Lehninger 10.76
Nozaki 10.584
DTASelect 10.438
Thurlkill 10.57
EMBOSS 10.935
Sillero 10.628
Patrickios 10.804
IPC_peptide 10.789
IPC2_peptide 9.78
IPC2.peptide.svr19 8.151
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
1809
0
1809
587476
38
4734
324.8
36.48
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.026 ± 0.101
0.534 ± 0.016
5.901 ± 0.068
5.95 ± 0.067
4.406 ± 0.065
6.304 ± 0.057
1.921 ± 0.03
7.715 ± 0.063
7.978 ± 0.068
9.516 ± 0.098
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.541 ± 0.042
5.809 ± 0.076
3.531 ± 0.052
3.849 ± 0.037
3.541 ± 0.053
6.231 ± 0.14
5.705 ± 0.094
6.716 ± 0.053
1.066 ± 0.025
3.762 ± 0.045
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