Kosmotoga sp.
Average proteome isoelectric point is 6.63
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 2971 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|A0A5D0TAZ2|A0A5D0TAZ2_9BACT B12-binding domain-containing radical SAM protein OS=Kosmotoga sp. OX=1955248 GN=FXF54_00930 PE=4 SV=1
MM1 pKa = 7.63 KK2 pKa = 10.35 KK3 pKa = 10.46 LLILSTIIVAVMALISCTATMNILPKK29 pKa = 10.5 SILIDD34 pKa = 4.04 DD35 pKa = 3.9 SHH37 pKa = 7.71 NNQFGYY43 pKa = 10.55 VDD45 pKa = 3.89 EE46 pKa = 5.28 NFFATMINTLEE57 pKa = 4.27 GEE59 pKa = 4.29 NYY61 pKa = 9.93 QVDD64 pKa = 4.21 FTSDD68 pKa = 3.02 VGFSPDD74 pKa = 3.35 QYY76 pKa = 11.3 DD77 pKa = 3.38 ILIIPTPVSLYY88 pKa = 11.02 SNTEE92 pKa = 3.46 INQVKK97 pKa = 10.62 SFVQNGNKK105 pKa = 9.77 IIVLGEE111 pKa = 3.82 FYY113 pKa = 10.66 SYY115 pKa = 11.51 YY116 pKa = 10.96 DD117 pKa = 3.57 NSEE120 pKa = 3.94 LNYY123 pKa = 10.22 ILNQVGADD131 pKa = 3.49 MQFDD135 pKa = 3.57 NSLITDD141 pKa = 3.89 SVNNYY146 pKa = 9.91 DD147 pKa = 6.13 NNDD150 pKa = 3.17 EE151 pKa = 4.1 WPEE154 pKa = 3.64 ISLFTPHH161 pKa = 7.14 PTTDD165 pKa = 3.31 SLNSIVLFAASSLNVFGDD183 pKa = 4.15 AIKK186 pKa = 10.32 IAEE189 pKa = 4.22 SSSINLVEE197 pKa = 4.48 TFDD200 pKa = 3.94 SSTFNEE206 pKa = 4.41 SGLKK210 pKa = 9.97 AGLMEE215 pKa = 4.35 NQDD218 pKa = 3.78 YY219 pKa = 11.15 DD220 pKa = 4.05 SQTTAYY226 pKa = 10.13 VSVAAVDD233 pKa = 3.95 KK234 pKa = 10.78 IGNGKK239 pKa = 8.83 VVAVTDD245 pKa = 3.73 VNLFSDD251 pKa = 4.4 DD252 pKa = 3.41 VDD254 pKa = 4.66 DD255 pKa = 5.95 FFPSLDD261 pKa = 3.47 SMLNVADD268 pKa = 4.62 NKK270 pKa = 11.03 DD271 pKa = 3.53 FLINIVNWW279 pKa = 3.5
Molecular weight: 30.91 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.696
IPC2_protein 3.643
IPC_protein 3.668
Toseland 3.427
ProMoST 3.846
Dawson 3.668
Bjellqvist 3.821
Wikipedia 3.617
Rodwell 3.49
Grimsley 3.338
Solomon 3.656
Lehninger 3.617
Nozaki 3.783
DTASelect 4.05
Thurlkill 3.49
EMBOSS 3.63
Sillero 3.783
Patrickios 1.1
IPC_peptide 3.656
IPC2_peptide 3.757
IPC2.peptide.svr19 3.726
Protein with the highest isoelectric point:
>tr|A0A5D0SFV1|A0A5D0SFV1_9BACT 30S ribosomal protein S18 OS=Kosmotoga sp. OX=1955248 GN=rpsR PE=3 SV=1
MM1 pKa = 7.35 KK2 pKa = 9.4 RR3 pKa = 11.84 TYY5 pKa = 10.18 QPSRR9 pKa = 11.84 SKK11 pKa = 10.76 RR12 pKa = 11.84 KK13 pKa = 8.13 RR14 pKa = 11.84 THH16 pKa = 6.16 GFLARR21 pKa = 11.84 KK22 pKa = 6.9 KK23 pKa = 7.78 TKK25 pKa = 9.6 AGKK28 pKa = 10.12 RR29 pKa = 11.84 ILANRR34 pKa = 11.84 RR35 pKa = 11.84 KK36 pKa = 10.0 KK37 pKa = 9.79 GRR39 pKa = 11.84 KK40 pKa = 9.07 RR41 pKa = 11.84 IAAA44 pKa = 3.93
Molecular weight: 5.24 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.416
IPC2_protein 11.111
IPC_protein 12.457
Toseland 12.618
ProMoST 13.1
Dawson 12.618
Bjellqvist 12.603
Wikipedia 13.086
Rodwell 12.457
Grimsley 12.661
Solomon 13.115
Lehninger 13.013
Nozaki 12.618
DTASelect 12.603
Thurlkill 12.618
EMBOSS 13.115
Sillero 12.618
Patrickios 12.179
IPC_peptide 13.115
IPC2_peptide 12.091
IPC2.peptide.svr19 8.995
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
2971
0
2971
932970
13
3461
314.0
35.62
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.535 ± 0.04
0.792 ± 0.016
5.443 ± 0.038
7.796 ± 0.049
5.097 ± 0.04
6.471 ± 0.033
1.57 ± 0.017
8.699 ± 0.034
8.177 ± 0.064
9.521 ± 0.048
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.432 ± 0.02
5.358 ± 0.033
3.521 ± 0.026
2.227 ± 0.018
4.103 ± 0.032
6.525 ± 0.036
5.087 ± 0.038
6.566 ± 0.031
1.021 ± 0.018
4.059 ± 0.028
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