Firmicutes bacterium CAG:345
Average proteome isoelectric point is 6.5
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 1462 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|R6YY12|R6YY12_9FIRM Uncharacterized protein OS=Firmicutes bacterium CAG:345 OX=1263020 GN=BN617_00872 PE=4 SV=1
MM1 pKa = 7.29 GKK3 pKa = 9.56 KK4 pKa = 8.76 VHH6 pKa = 6.17 VNQDD10 pKa = 3.07 VCISCGMCTAICDD23 pKa = 3.63 AVFAFNDD30 pKa = 3.6 DD31 pKa = 3.54 GKK33 pKa = 11.19 ASVILDD39 pKa = 4.79 EE40 pKa = 4.85 IPEE43 pKa = 4.3 DD44 pKa = 3.8 LEE46 pKa = 5.12 ASVDD50 pKa = 3.75 EE51 pKa = 5.21 AKK53 pKa = 10.81 NSCPVQAIEE62 pKa = 4.2 EE63 pKa = 4.26
Molecular weight: 6.72 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.793
IPC2_protein 4.012
IPC_protein 3.91
Toseland 3.719
ProMoST 4.012
Dawson 3.897
Bjellqvist 4.139
Wikipedia 3.834
Rodwell 3.745
Grimsley 3.63
Solomon 3.872
Lehninger 3.834
Nozaki 4.024
DTASelect 4.202
Thurlkill 3.783
EMBOSS 3.834
Sillero 4.024
Patrickios 1.914
IPC_peptide 3.872
IPC2_peptide 3.999
IPC2.peptide.svr19 3.962
Protein with the highest isoelectric point:
>tr|R6XQ02|R6XQ02_9FIRM Peptide chain release factor 2 OS=Firmicutes bacterium CAG:345 OX=1263020 GN=prfB PE=3 SV=1
MM1 pKa = 7.35 KK2 pKa = 9.43 RR3 pKa = 11.84 TYY5 pKa = 10.34 QPSKK9 pKa = 10.35 RR10 pKa = 11.84 KK11 pKa = 8.69 KK12 pKa = 8.57 QSVNGFRR19 pKa = 11.84 ARR21 pKa = 11.84 MSTPGGRR28 pKa = 11.84 KK29 pKa = 8.2 VIARR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 HH36 pKa = 5.58 KK37 pKa = 10.51 GRR39 pKa = 11.84 KK40 pKa = 8.42 VLSAA44 pKa = 4.05
Molecular weight: 5.11 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.39
IPC2_protein 11.052
IPC_protein 12.398
Toseland 12.559
ProMoST 13.042
Dawson 12.559
Bjellqvist 12.544
Wikipedia 13.027
Rodwell 12.34
Grimsley 12.603
Solomon 13.056
Lehninger 12.954
Nozaki 12.559
DTASelect 12.544
Thurlkill 12.559
EMBOSS 13.056
Sillero 12.559
Patrickios 12.076
IPC_peptide 13.056
IPC2_peptide 12.032
IPC2.peptide.svr19 9.006
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
1462
0
1462
491748
30
2517
336.4
38.21
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.241 ± 0.059
1.188 ± 0.021
5.934 ± 0.053
6.749 ± 0.06
5.134 ± 0.051
5.633 ± 0.054
1.497 ± 0.024
9.227 ± 0.075
8.74 ± 0.069
9.29 ± 0.068
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.11 ± 0.032
6.789 ± 0.074
2.811 ± 0.036
2.424 ± 0.027
2.958 ± 0.041
7.324 ± 0.072
5.366 ± 0.074
5.831 ± 0.055
0.623 ± 0.018
5.128 ± 0.06
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