Sporosarcina psychrophila (Bacillus psychrophilus)
Average proteome isoelectric point is 6.13
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 4219 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|A0A127W4K7|A0A127W4K7_SPOPS ABC transporter substrate-binding protein OS=Sporosarcina psychrophila OX=1476 GN=AZE41_13810 PE=4 SV=1
MM1 pKa = 7.49 SCNHH5 pKa = 6.29 CVNSIEE11 pKa = 4.27 TSVGEE16 pKa = 4.0 LTGVSTVKK24 pKa = 10.37 VDD26 pKa = 3.75 LGNNEE31 pKa = 3.77 VSVEE35 pKa = 3.91 FDD37 pKa = 2.95 NATTFAQIKK46 pKa = 7.23 EE47 pKa = 4.48 TIEE50 pKa = 3.83 EE51 pKa = 3.73 QGYY54 pKa = 9.62 EE55 pKa = 4.11 LVV57 pKa = 3.81
Molecular weight: 6.18 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.877
IPC2_protein 4.151
IPC_protein 3.935
Toseland 3.808
ProMoST 4.062
Dawson 3.872
Bjellqvist 4.037
Wikipedia 3.757
Rodwell 3.783
Grimsley 3.732
Solomon 3.846
Lehninger 3.795
Nozaki 4.024
DTASelect 4.05
Thurlkill 3.834
EMBOSS 3.77
Sillero 4.037
Patrickios 1.875
IPC_peptide 3.859
IPC2_peptide 4.024
IPC2.peptide.svr19 3.949
Protein with the highest isoelectric point:
>tr|A0A127VWA5|A0A127VWA5_SPOPS FAD-binding dehydrogenase OS=Sporosarcina psychrophila OX=1476 GN=AZE41_06375 PE=4 SV=1
MM1 pKa = 7.48 ISVPSGRR8 pKa = 11.84 FPRR11 pKa = 11.84 ARR13 pKa = 11.84 LQPPRR18 pKa = 11.84 HH19 pKa = 6.02 CVPAGSSACAVPAGVAALHH38 pKa = 5.7 YY39 pKa = 8.71 NQLVRR44 pKa = 11.84 TIKK47 pKa = 10.47 KK48 pKa = 9.91 SFFSGFTRR56 pKa = 11.84 SAEE59 pKa = 3.87 AFLDD63 pKa = 3.6 EE64 pKa = 5.42 RR65 pKa = 11.84 IAGFLPGEE73 pKa = 4.87 KK74 pKa = 9.24 PPKK77 pKa = 7.7 MQFWRR82 pKa = 11.84 LKK84 pKa = 10.29 LSIGFSLLYY93 pKa = 10.65
Molecular weight: 10.28 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.34
IPC2_protein 9.78
IPC_protein 10.599
Toseland 10.847
ProMoST 10.57
Dawson 10.921
Bjellqvist 10.643
Wikipedia 11.14
Rodwell 11.169
Grimsley 10.965
Solomon 11.067
Lehninger 11.038
Nozaki 10.847
DTASelect 10.643
Thurlkill 10.847
EMBOSS 11.257
Sillero 10.862
Patrickios 10.95
IPC_peptide 11.082
IPC2_peptide 9.78
IPC2.peptide.svr19 8.513
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
4219
0
4219
1221369
37
2030
289.5
32.33
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.413 ± 0.046
0.635 ± 0.011
5.288 ± 0.036
7.369 ± 0.043
4.614 ± 0.032
7.092 ± 0.037
1.948 ± 0.019
8.048 ± 0.037
6.49 ± 0.033
9.721 ± 0.042
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.917 ± 0.017
4.212 ± 0.024
3.555 ± 0.021
3.358 ± 0.023
4.023 ± 0.034
6.065 ± 0.025
5.751 ± 0.029
7.209 ± 0.035
0.987 ± 0.014
3.304 ± 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