Firmicutes bacterium CAG:475
Average proteome isoelectric point is 6.17
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 1270 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|R7BTX1|R7BTX1_9FIRM 30S ribosomal protein S11 OS=Firmicutes bacterium CAG:475 OX=1263026 GN=rpsK PE=3 SV=1
MM1 pKa = 7.92 ADD3 pKa = 5.09 FFDD6 pKa = 4.78 DD7 pKa = 3.91 QNNMTEE13 pKa = 4.5 DD14 pKa = 3.96 DD15 pKa = 5.71 DD16 pKa = 6.58 IITLYY21 pKa = 11.29 NEE23 pKa = 4.22 VADD26 pKa = 3.94 KK27 pKa = 11.59 DD28 pKa = 3.45 EE29 pKa = 4.9 DD30 pKa = 4.63 FYY32 pKa = 11.83 HH33 pKa = 7.49 LATLDD38 pKa = 4.02 VDD40 pKa = 5.0 DD41 pKa = 4.45 KK42 pKa = 10.97 WFVVLKK48 pKa = 10.15 PVEE51 pKa = 4.18 KK52 pKa = 10.64 LDD54 pKa = 6.11 DD55 pKa = 3.8 IDD57 pKa = 3.87 EE58 pKa = 4.89 DD59 pKa = 3.74 EE60 pKa = 4.25 VLIYY64 pKa = 10.33 EE65 pKa = 4.16 IAEE68 pKa = 4.22 NEE70 pKa = 4.24 DD71 pKa = 3.39 GNDD74 pKa = 3.13 VFKK77 pKa = 11.01 AIEE80 pKa = 4.74 DD81 pKa = 3.79 DD82 pKa = 4.4 ALLQRR87 pKa = 11.84 VFDD90 pKa = 3.74 EE91 pKa = 5.66 FMAEE95 pKa = 4.04 VEE97 pKa = 4.38 KK98 pKa = 11.01 MEE100 pKa = 4.58 GGCDD104 pKa = 3.42 CGEE107 pKa = 4.74 DD108 pKa = 3.68 GCHH111 pKa = 7.35 DD112 pKa = 4.27 GNCSCCHH119 pKa = 5.99 HH120 pKa = 6.87
Molecular weight: 13.78 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.71
IPC2_protein 3.63
IPC_protein 3.643
Toseland 3.427
ProMoST 3.808
Dawson 3.643
Bjellqvist 3.795
Wikipedia 3.579
Rodwell 3.465
Grimsley 3.325
Solomon 3.63
Lehninger 3.592
Nozaki 3.757
DTASelect 3.999
Thurlkill 3.478
EMBOSS 3.592
Sillero 3.77
Patrickios 1.062
IPC_peptide 3.63
IPC2_peptide 3.745
IPC2.peptide.svr19 3.708
Protein with the highest isoelectric point:
>tr|R7BTF4|R7BTF4_9FIRM Uncharacterized protein OS=Firmicutes bacterium CAG:475 OX=1263026 GN=BN674_00266 PE=4 SV=1
MM1 pKa = 7.38 SRR3 pKa = 11.84 VCSVCGKK10 pKa = 10.7 GRR12 pKa = 11.84 MSGNAVSHH20 pKa = 6.07 SNRR23 pKa = 11.84 KK24 pKa = 6.7 TRR26 pKa = 11.84 RR27 pKa = 11.84 SWAPNVQKK35 pKa = 11.13 VKK37 pKa = 10.94 VNTPTGGVEE46 pKa = 3.82 DD47 pKa = 4.51 TYY49 pKa = 11.78 VCTRR53 pKa = 11.84 CLRR56 pKa = 11.84 SGKK59 pKa = 9.0 VDD61 pKa = 3.39 RR62 pKa = 11.84 AA63 pKa = 3.5
Molecular weight: 6.88 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.338
IPC2_protein 9.604
IPC_protein 10.233
Toseland 10.833
ProMoST 10.482
Dawson 10.891
Bjellqvist 10.599
Wikipedia 11.082
Rodwell 11.155
Grimsley 10.921
Solomon 11.038
Lehninger 11.008
Nozaki 10.847
DTASelect 10.584
Thurlkill 10.818
EMBOSS 11.242
Sillero 10.833
Patrickios 10.95
IPC_peptide 11.052
IPC2_peptide 9.94
IPC2.peptide.svr19 8.614
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
1270
0
1270
422948
38
3105
333.0
37.03
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.179 ± 0.065
1.747 ± 0.037
6.397 ± 0.06
6.572 ± 0.075
4.551 ± 0.057
6.907 ± 0.059
1.517 ± 0.031
6.944 ± 0.056
7.678 ± 0.062
8.415 ± 0.081
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.558 ± 0.039
4.705 ± 0.048
2.979 ± 0.04
2.846 ± 0.036
3.904 ± 0.054
6.013 ± 0.06
5.458 ± 0.074
8.04 ± 0.064
0.711 ± 0.021
3.876 ± 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