Lactobacillus reuteri (strain DSM 20016)
Average proteome isoelectric point is 6.73
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 1865 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|A5VMQ7|A5VMQ7_LACRD Uncharacterized protein OS=Lactobacillus reuteri (strain DSM 20016) OX=557436 GN=Lreu_1894 PE=4 SV=1
MM1 pKa = 7.34 SKK3 pKa = 10.29 VLAAALGAAGALAVANTASADD24 pKa = 3.72 TQVQVQSGDD33 pKa = 4.12 TVWGFAQQYY42 pKa = 7.18 ATTVDD47 pKa = 4.06 SISTANQLADD57 pKa = 3.82 PNVIYY62 pKa = 10.65 VGQQLVIPSSAISTASAAATVAAPTATDD90 pKa = 3.2 NATASQAAVEE100 pKa = 4.48 TTEE103 pKa = 4.04 TTAASTTPAVSTTNASNVADD123 pKa = 3.74 QAQPTTVVSASDD135 pKa = 3.69 NNTAAQVSVASQAPAQVSAASATISVAQTSAANTNNNVTTLAATTNTAAPTQTTYY190 pKa = 11.66 AATEE194 pKa = 4.06 AVATPQSNTTVQSTAAGQGNGSTANAVAVAQAQIGTPYY232 pKa = 10.33 VWGGNQPGGFDD243 pKa = 3.67 CSGLVQYY250 pKa = 11.04 AYY252 pKa = 10.79 GLGSNYY258 pKa = 8.15 RR259 pKa = 11.84 TTYY262 pKa = 9.33 QQTNLGTHH270 pKa = 5.82 QYY272 pKa = 10.66 DD273 pKa = 3.25 IQNAQSGDD281 pKa = 3.66 LYY283 pKa = 11.19 FWGPDD288 pKa = 3.1 SAPYY292 pKa = 9.81 HH293 pKa = 5.35 VAIATGNGGYY303 pKa = 9.14 IQAPTPGQNVQTGNINYY320 pKa = 6.95 YY321 pKa = 9.24 TPSFYY326 pKa = 10.49 ISMNN330 pKa = 3.37
Molecular weight: 33.08 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.886
IPC2_protein 3.63
IPC_protein 3.592
Toseland 3.376
ProMoST 3.808
Dawson 3.617
Bjellqvist 3.783
Wikipedia 3.617
Rodwell 3.427
Grimsley 3.287
Solomon 3.579
Lehninger 3.541
Nozaki 3.757
DTASelect 4.012
Thurlkill 3.465
EMBOSS 3.617
Sillero 3.719
Patrickios 0.006
IPC_peptide 3.579
IPC2_peptide 3.681
IPC2.peptide.svr19 3.698
Protein with the highest isoelectric point:
>tr|A5VHJ2|A5VHJ2_LACRD Peptidoglycan transpeptidase ErfK-YbiS-YhnG family OS=Lactobacillus reuteri (strain DSM 20016) OX=557436 GN=Lreu_0040 PE=4 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.6 RR3 pKa = 11.84 TFQPKK8 pKa = 8.02 KK9 pKa = 7.4 RR10 pKa = 11.84 HH11 pKa = 5.36 RR12 pKa = 11.84 ARR14 pKa = 11.84 VHH16 pKa = 5.84 GFRR19 pKa = 11.84 KK20 pKa = 10.03 RR21 pKa = 11.84 MSTSNGRR28 pKa = 11.84 KK29 pKa = 8.01 VLARR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 QKK37 pKa = 10.39 GRR39 pKa = 11.84 KK40 pKa = 8.52 VLSAA44 pKa = 4.05
Molecular weight: 5.3 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.522
IPC2_protein 11.257
IPC_protein 12.837
Toseland 13.013
ProMoST 13.495
Dawson 13.013
Bjellqvist 12.998
Wikipedia 13.481
Rodwell 12.735
Grimsley 13.056
Solomon 13.51
Lehninger 13.408
Nozaki 13.013
DTASelect 12.998
Thurlkill 13.013
EMBOSS 13.51
Sillero 13.013
Patrickios 12.457
IPC_peptide 13.51
IPC2_peptide 12.486
IPC2.peptide.svr19 9.169
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
1865
0
1865
559402
31
1443
299.9
33.67
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.707 ± 0.058
0.586 ± 0.014
5.888 ± 0.06
5.701 ± 0.067
4.106 ± 0.04
6.546 ± 0.058
2.33 ± 0.026
7.371 ± 0.063
6.678 ± 0.051
9.504 ± 0.062
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.751 ± 0.029
5.209 ± 0.043
3.698 ± 0.028
4.677 ± 0.055
4.289 ± 0.047
5.542 ± 0.047
5.822 ± 0.041
6.8 ± 0.042
1.078 ± 0.025
3.717 ± 0.033
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