Firmicutes bacterium CAG:321
Average proteome isoelectric point is 6.61
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 1220 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|R7HIU3|R7HIU3_9FIRM Phosphatidylglycerol--prolipoprotein diacylglyceryl transferase OS=Firmicutes bacterium CAG:321 OX=1263018 GN=lgt PE=3 SV=1
MM1 pKa = 7.15 NLKK4 pKa = 10.16 VNQDD8 pKa = 2.93 KK9 pKa = 11.29 CIGCGQCVSICEE21 pKa = 4.22 DD22 pKa = 3.19 VFNFNDD28 pKa = 3.26 EE29 pKa = 4.02 GLAEE33 pKa = 4.38 VIEE36 pKa = 4.42 TPIKK40 pKa = 10.59 EE41 pKa = 4.45 EE42 pKa = 3.97 YY43 pKa = 10.94 LEE45 pKa = 4.65 DD46 pKa = 3.33 ATNAKK51 pKa = 9.62 EE52 pKa = 4.21 SCPTEE57 pKa = 4.63 AIEE60 pKa = 4.49 EE61 pKa = 4.26 AA62 pKa = 3.98
Molecular weight: 6.84 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.811
IPC2_protein 3.973
IPC_protein 3.821
Toseland 3.668
ProMoST 3.948
Dawson 3.77
Bjellqvist 3.935
Wikipedia 3.656
Rodwell 3.656
Grimsley 3.579
Solomon 3.745
Lehninger 3.694
Nozaki 3.91
DTASelect 3.973
Thurlkill 3.694
EMBOSS 3.668
Sillero 3.923
Patrickios 0.693
IPC_peptide 3.757
IPC2_peptide 3.91
IPC2.peptide.svr19 3.858
Protein with the highest isoelectric point:
>tr|R7HJA9|R7HJA9_9FIRM Thioredoxin OS=Firmicutes bacterium CAG:321 OX=1263018 GN=BN608_00670 PE=4 SV=1
MM1 pKa = 7.28 NRR3 pKa = 11.84 QEE5 pKa = 4.86 DD6 pKa = 3.78 LSKK9 pKa = 11.27 VFDD12 pKa = 3.97 RR13 pKa = 11.84 TWTANHH19 pKa = 6.57 NDD21 pKa = 2.96 VAKK24 pKa = 10.5 RR25 pKa = 11.84 GRR27 pKa = 11.84 EE28 pKa = 3.79 RR29 pKa = 11.84 EE30 pKa = 3.97 RR31 pKa = 11.84 KK32 pKa = 9.14 FMNRR36 pKa = 11.84 MFGRR40 pKa = 11.84 KK41 pKa = 9.17 DD42 pKa = 3.14 NTEE45 pKa = 3.69 ISHH48 pKa = 5.17 TTNNNLTPGMRR59 pKa = 11.84 AYY61 pKa = 10.91 NLQKK65 pKa = 10.69 NINGMGNFEE74 pKa = 4.05 RR75 pKa = 11.84 QNRR78 pKa = 11.84 VNNIVKK84 pKa = 9.74 KK85 pKa = 9.82 WKK87 pKa = 10.16
Molecular weight: 10.47 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.299
IPC2_protein 9.765
IPC_protein 10.716
Toseland 11.155
ProMoST 11.14
Dawson 11.184
Bjellqvist 10.95
Wikipedia 11.462
Rodwell 11.359
Grimsley 11.213
Solomon 11.447
Lehninger 11.389
Nozaki 11.125
DTASelect 10.95
Thurlkill 11.125
EMBOSS 11.579
Sillero 11.14
Patrickios 11.111
IPC_peptide 11.447
IPC2_peptide 9.926
IPC2.peptide.svr19 8.86
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
1220
0
1220
353202
30
1292
289.5
33.15
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
3.982 ± 0.063
0.991 ± 0.026
6.412 ± 0.06
7.047 ± 0.076
3.996 ± 0.054
5.364 ± 0.058
1.195 ± 0.027
10.634 ± 0.09
9.959 ± 0.071
8.83 ± 0.06
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.424 ± 0.032
7.978 ± 0.08
2.423 ± 0.034
1.633 ± 0.033
3.17 ± 0.046
6.335 ± 0.062
5.602 ± 0.071
6.048 ± 0.055
0.523 ± 0.019
5.456 ± 0.063
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