Firmicutes bacterium CAG:240
Average proteome isoelectric point is 6.09
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 1917 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|R6I370|R6I370_9FIRM CBS domain protein OS=Firmicutes bacterium CAG:240 OX=1263013 GN=BN556_00233 PE=4 SV=1
MM1 pKa = 7.62 KK2 pKa = 10.15 NLKK5 pKa = 10.13 KK6 pKa = 9.45 ITALIMALIMVFALCACSDD25 pKa = 3.9 DD26 pKa = 5.34 DD27 pKa = 4.17 DD28 pKa = 6.04 AKK30 pKa = 11.46 GKK32 pKa = 10.21 VEE34 pKa = 4.5 PGTVEE39 pKa = 3.75 TGAPSAEE46 pKa = 4.01 PEE48 pKa = 4.1 KK49 pKa = 10.21 TLEE52 pKa = 4.45 LGTLSGGKK60 pKa = 9.17 YY61 pKa = 10.08 ANDD64 pKa = 3.37 YY65 pKa = 11.16 FGFGCEE71 pKa = 6.24 LDD73 pKa = 4.64 DD74 pKa = 3.28 QWTYY78 pKa = 11.95 ADD80 pKa = 4.33 EE81 pKa = 4.69 DD82 pKa = 3.81 QLLSMIQATADD93 pKa = 4.41 LIDD96 pKa = 4.86 DD97 pKa = 4.55 EE98 pKa = 4.81 NFKK101 pKa = 11.38 DD102 pKa = 5.25 DD103 pKa = 5.28 ILDD106 pKa = 3.61 ADD108 pKa = 3.94 MFYY111 pKa = 11.71 DD112 pKa = 4.02 MMAVYY117 pKa = 10.44 YY118 pKa = 10.75 DD119 pKa = 4.2 GVTSMNVVVQNIGAAYY135 pKa = 9.35 GALLDD140 pKa = 4.14 EE141 pKa = 4.57 EE142 pKa = 4.91 TMVDD146 pKa = 3.43 EE147 pKa = 4.97 TIKK150 pKa = 10.84 VLPDD154 pKa = 3.09 QLAAASMDD162 pKa = 3.68 VQSCEE167 pKa = 3.83 HH168 pKa = 5.33 VTVEE172 pKa = 5.13 FAGADD177 pKa = 3.11 HH178 pKa = 7.55 DD179 pKa = 5.69 GILTHH184 pKa = 5.75 STVNGGDD191 pKa = 3.44 VYY193 pKa = 11.22 QLQTYY198 pKa = 8.55 VKK200 pKa = 8.17 VGKK203 pKa = 9.85 YY204 pKa = 7.9 VAVVTLSSPLEE215 pKa = 4.58 DD216 pKa = 4.57 NLDD219 pKa = 3.62 PMLGFFYY226 pKa = 10.7 AVV228 pKa = 3.09
Molecular weight: 24.76 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.725
IPC2_protein 3.732
IPC_protein 3.745
Toseland 3.516
ProMoST 3.923
Dawson 3.745
Bjellqvist 3.897
Wikipedia 3.694
Rodwell 3.567
Grimsley 3.427
Solomon 3.745
Lehninger 3.694
Nozaki 3.859
DTASelect 4.113
Thurlkill 3.579
EMBOSS 3.706
Sillero 3.872
Patrickios 0.693
IPC_peptide 3.732
IPC2_peptide 3.846
IPC2.peptide.svr19 3.779
Protein with the highest isoelectric point:
>tr|R6IG54|R6IG54_9FIRM Guanylate kinase OS=Firmicutes bacterium CAG:240 OX=1263013 GN=gmk PE=3 SV=1
MM1 pKa = 7.68 LAQPHH6 pKa = 6.75 LSRR9 pKa = 11.84 SRR11 pKa = 11.84 FPSPGRR17 pKa = 11.84 PQRR20 pKa = 11.84 TRR22 pKa = 11.84 QTRR25 pKa = 11.84 RR26 pKa = 11.84 STPAAKK32 pKa = 10.17 RR33 pKa = 11.84 PLRR36 pKa = 11.84 WSKK39 pKa = 10.83 LSSIPLTRR47 pKa = 11.84 WTAILCPFPLSSITQTAPSSLALPLTKK74 pKa = 10.26 SAAFPLSFPSGLQRR88 pKa = 11.84 PVHH91 pKa = 6.11 SATSVHH97 pKa = 6.49 SYY99 pKa = 10.36 VRR101 pKa = 11.84 MLPSVPSLLTRR112 pKa = 11.84 KK113 pKa = 9.71 RR114 pKa = 11.84 PRR116 pKa = 11.84 QLPKK120 pKa = 9.47 MQTSLTSAPARR131 pKa = 11.84 AKK133 pKa = 10.73 ACTSTPWPFLRR144 pKa = 11.84 STAWAAVSAA153 pKa = 4.41
Molecular weight: 16.83 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.362
IPC2_protein 10.877
IPC_protein 12.354
Toseland 12.515
ProMoST 13.013
Dawson 12.515
Bjellqvist 12.515
Wikipedia 12.998
Rodwell 12.179
Grimsley 12.559
Solomon 13.013
Lehninger 12.91
Nozaki 12.515
DTASelect 12.515
Thurlkill 12.515
EMBOSS 13.013
Sillero 12.515
Patrickios 11.901
IPC_peptide 13.013
IPC2_peptide 12.003
IPC2.peptide.svr19 9.108
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
1917
0
1917
554504
33
2347
289.3
31.9
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
9.442 ± 0.069
1.955 ± 0.025
5.897 ± 0.048
6.602 ± 0.058
4.017 ± 0.04
7.666 ± 0.053
1.678 ± 0.023
6.804 ± 0.05
5.829 ± 0.047
9.109 ± 0.053
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
3.082 ± 0.031
3.672 ± 0.034
3.625 ± 0.032
2.564 ± 0.027
4.911 ± 0.052
6.171 ± 0.054
5.217 ± 0.044
7.21 ± 0.042
0.913 ± 0.022
3.629 ± 0.04
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