bacterium 2013Arg42i
Average proteome isoelectric point is 6.55
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 1563 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|A0A0S4M1B7|A0A0S4M1B7_9BACT 50S ribosomal protein L27 OS=bacterium 2013Arg42i OX=1561003 GN=rpmA PE=3 SV=1
MM1 pKa = 7.66 RR2 pKa = 11.84 VMGSSFSDD10 pKa = 3.45 SVEE13 pKa = 3.9 VFSAVRR19 pKa = 11.84 DD20 pKa = 3.65 DD21 pKa = 4.53 HH22 pKa = 6.69 EE23 pKa = 4.87 QITSCGYY30 pKa = 9.52 GANEE34 pKa = 3.95 VVDD37 pKa = 6.12 DD38 pKa = 4.63 IFQGSDD44 pKa = 3.0 VSSYY48 pKa = 11.33 SLSGDD53 pKa = 3.07 SSLRR57 pKa = 11.84 EE58 pKa = 4.12 SGCLSNNMFLIGFFFLVALYY78 pKa = 10.08 ILVVVCLTIQSFSFDD93 pKa = 3.34 NIAAVVIEE101 pKa = 4.57 LGLFVGVIAAPMVMCLSTQCNGTNGRR127 pKa = 11.84 LSIMSSSTDD136 pKa = 3.49 LQPSVDD142 pKa = 4.27 LQHH145 pKa = 7.22 IDD147 pKa = 4.23 ADD149 pKa = 4.46 CDD151 pKa = 3.66 DD152 pKa = 4.45 TGNDD156 pKa = 2.7 IDD158 pKa = 5.23 ALVASISDD166 pKa = 3.69 CLHH169 pKa = 6.94 RR170 pKa = 11.84 IEE172 pKa = 6.05 DD173 pKa = 3.85 SCGWANDD180 pKa = 2.9 IVAYY184 pKa = 10.25 GDD186 pKa = 3.48 NSVDD190 pKa = 3.43 LEE192 pKa = 4.29 NYY194 pKa = 8.35 VLHH197 pKa = 5.82 MTNCLNRR204 pKa = 11.84 MEE206 pKa = 4.26 TRR208 pKa = 11.84 ADD210 pKa = 3.46 RR211 pKa = 11.84 LLFFDD216 pKa = 4.27 SEE218 pKa = 4.82 EE219 pKa = 3.9 ILTMINRR226 pKa = 11.84 LDD228 pKa = 3.93 LPQFPSNSLMALLTSDD244 pKa = 3.68 KK245 pKa = 11.36
Molecular weight: 26.76 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.736
IPC2_protein 3.808
IPC_protein 3.834
Toseland 3.605
ProMoST 4.012
Dawson 3.834
Bjellqvist 3.986
Wikipedia 3.795
Rodwell 3.656
Grimsley 3.516
Solomon 3.834
Lehninger 3.783
Nozaki 3.948
DTASelect 4.228
Thurlkill 3.668
EMBOSS 3.795
Sillero 3.961
Patrickios 0.693
IPC_peptide 3.821
IPC2_peptide 3.935
IPC2.peptide.svr19 3.838
Protein with the highest isoelectric point:
>tr|A0A0S4M6P0|A0A0S4M6P0_9BACT Uncharacterized protein OS=bacterium 2013Arg42i OX=1561003 GN=Ark11_0997 PE=4 SV=1
MM1 pKa = 7.6 ALAKK5 pKa = 9.78 TPHH8 pKa = 6.68 LMTNMVMVRR17 pKa = 11.84 TFVGVRR23 pKa = 11.84 ALNTRR28 pKa = 11.84 GLRR31 pKa = 11.84 VIKK34 pKa = 10.56 INVWGLL40 pKa = 3.13
Molecular weight: 4.51 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.347
IPC2_protein 10.73
IPC_protein 12.325
Toseland 12.486
ProMoST 12.983
Dawson 12.486
Bjellqvist 12.486
Wikipedia 12.969
Rodwell 12.193
Grimsley 12.53
Solomon 12.983
Lehninger 12.881
Nozaki 12.486
DTASelect 12.486
Thurlkill 12.486
EMBOSS 12.983
Sillero 12.486
Patrickios 11.974
IPC_peptide 12.983
IPC2_peptide 11.974
IPC2.peptide.svr19 9.106
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
1563
0
1563
586317
26
2091
375.1
42.26
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.287 ± 0.076
1.87 ± 0.03
5.958 ± 0.051
5.939 ± 0.064
4.644 ± 0.046
5.422 ± 0.079
2.119 ± 0.026
8.129 ± 0.076
6.558 ± 0.099
9.579 ± 0.056
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.306 ± 0.027
5.321 ± 0.072
3.503 ± 0.043
2.605 ± 0.043
5.064 ± 0.052
9.777 ± 0.075
4.704 ± 0.05
6.843 ± 0.077
0.831 ± 0.023
3.542 ± 0.038
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