Firmicutes bacterium R50
Average proteome isoelectric point is 7.35
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 2747 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|A0A6F8ZJ71|A0A6F8ZJ71_9FIRM HTH_17 domain-containing protein OS=Firmicutes bacterium R50 OX=2707344 GN=R50_2547 PE=4 SV=1
MM1 pKa = 7.52 PACLVCGEE9 pKa = 4.95 PGDD12 pKa = 4.08 PDD14 pKa = 4.39 RR15 pKa = 11.84 DD16 pKa = 3.38 FALYY20 pKa = 8.48 LTAEE24 pKa = 4.28 SGDD27 pKa = 3.64 PVSASFCSEE36 pKa = 3.62 ACEE39 pKa = 4.09 DD40 pKa = 3.96 QAVLDD45 pKa = 4.53 APPLVATCDD54 pKa = 3.03 RR55 pKa = 11.84 CGRR58 pKa = 11.84 DD59 pKa = 3.77 LLVAMDD65 pKa = 4.64 GVDD68 pKa = 3.88 LRR70 pKa = 11.84 IPQAYY75 pKa = 9.38 NVLTNGDD82 pKa = 3.84 TGEE85 pKa = 4.22 VLCLRR90 pKa = 11.84 CAGVDD95 pKa = 3.54 RR96 pKa = 11.84 EE97 pKa = 4.31 RR98 pKa = 11.84 LGDD101 pKa = 4.61 LADD104 pKa = 3.82 PWEE107 pKa = 4.56 LGAA110 pKa = 6.07
Molecular weight: 11.62 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.744
IPC2_protein 3.757
IPC_protein 3.732
Toseland 3.516
ProMoST 3.923
Dawson 3.745
Bjellqvist 3.897
Wikipedia 3.694
Rodwell 3.567
Grimsley 3.427
Solomon 3.719
Lehninger 3.681
Nozaki 3.859
DTASelect 4.113
Thurlkill 3.579
EMBOSS 3.706
Sillero 3.859
Patrickios 0.604
IPC_peptide 3.719
IPC2_peptide 3.834
IPC2.peptide.svr19 3.768
Protein with the highest isoelectric point:
>tr|A0A6F8ZD39|A0A6F8ZD39_9FIRM Uncharacterized protein OS=Firmicutes bacterium R50 OX=2707344 GN=R50_0282 PE=4 SV=1
MM1 pKa = 7.65 RR2 pKa = 11.84 LALRR6 pKa = 11.84 RR7 pKa = 11.84 AARR10 pKa = 11.84 ISPASAFSSNSGPAVIQNANLAMPTPHH37 pKa = 6.89 FLSGIRR43 pKa = 11.84 IRR45 pKa = 4.61
Molecular weight: 4.82 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.43
IPC2_protein 10.921
IPC_protein 12.544
Toseland 12.705
ProMoST 13.203
Dawson 12.705
Bjellqvist 12.705
Wikipedia 13.173
Rodwell 12.193
Grimsley 12.735
Solomon 13.203
Lehninger 13.1
Nozaki 12.705
DTASelect 12.705
Thurlkill 12.705
EMBOSS 13.203
Sillero 12.705
Patrickios 11.974
IPC_peptide 13.203
IPC2_peptide 12.193
IPC2.peptide.svr19 9.149
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
2747
0
2747
771356
20
1439
280.8
30.28
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
14.139 ± 0.079
0.621 ± 0.017
4.358 ± 0.041
5.534 ± 0.061
2.802 ± 0.026
9.875 ± 0.056
2.044 ± 0.023
3.179 ± 0.04
1.491 ± 0.032
11.627 ± 0.077
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.875 ± 0.021
1.643 ± 0.024
7.04 ± 0.054
3.019 ± 0.034
9.109 ± 0.059
3.92 ± 0.036
4.808 ± 0.037
8.503 ± 0.039
2.239 ± 0.029
2.174 ± 0.023
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