Streptomyces populi
Average proteome isoelectric point is 6.39
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 8072 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|A0A2I0SQW1|A0A2I0SQW1_9ACTN DUF4253 domain-containing protein OS=Streptomyces populi OX=2058924 GN=CW362_14540 PE=4 SV=1
MM1 pKa = 7.68 SDD3 pKa = 4.62 DD4 pKa = 4.0 VLSSIPTDD12 pKa = 3.86 PQWQPDD18 pKa = 3.4 RR19 pKa = 11.84 PAAEE23 pKa = 3.83 RR24 pKa = 11.84 TAALAADD31 pKa = 4.82 LAPGLSDD38 pKa = 3.69 GVDD41 pKa = 3.32 VEE43 pKa = 5.86 IDD45 pKa = 4.14 VTWHH49 pKa = 7.2 DD50 pKa = 3.76 ALTPVDD56 pKa = 3.76 CGEE59 pKa = 3.75 NLEE62 pKa = 5.48 RR63 pKa = 11.84 IGCPHH68 pKa = 7.14 CGASIDD74 pKa = 4.11 LEE76 pKa = 4.49 WYY78 pKa = 9.13 ADD80 pKa = 3.75 LVEE83 pKa = 4.44 SHH85 pKa = 6.97 CEE87 pKa = 3.8 DD88 pKa = 3.46 GFATLAVEE96 pKa = 4.82 VPCCGAATSLDD107 pKa = 3.62 VLDD110 pKa = 4.49 YY111 pKa = 11.12 AWPCGFARR119 pKa = 11.84 FEE121 pKa = 3.81 IAIWNPEE128 pKa = 3.89 RR129 pKa = 11.84 DD130 pKa = 3.34 WFDD133 pKa = 4.23 DD134 pKa = 3.97 EE135 pKa = 4.33 EE136 pKa = 4.49 LATIGDD142 pKa = 4.27 TLGHH146 pKa = 6.2 PVKK149 pKa = 10.52 QIRR152 pKa = 11.84 AHH154 pKa = 5.42 II155 pKa = 4.08
Molecular weight: 16.89 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.715
IPC2_protein 3.872
IPC_protein 3.859
Toseland 3.643
ProMoST 4.024
Dawson 3.859
Bjellqvist 4.012
Wikipedia 3.783
Rodwell 3.694
Grimsley 3.554
Solomon 3.846
Lehninger 3.795
Nozaki 3.973
DTASelect 4.202
Thurlkill 3.706
EMBOSS 3.795
Sillero 3.986
Patrickios 1.1
IPC_peptide 3.846
IPC2_peptide 3.961
IPC2.peptide.svr19 3.869
Protein with the highest isoelectric point:
>tr|A0A2I0SIJ7|A0A2I0SIJ7_9ACTN Beta sliding clamp OS=Streptomyces populi OX=2058924 GN=CW362_28000 PE=3 SV=1
MM1 pKa = 7.69 SKK3 pKa = 9.0 RR4 pKa = 11.84 TFQPNNRR11 pKa = 11.84 RR12 pKa = 11.84 RR13 pKa = 11.84 AKK15 pKa = 8.7 THH17 pKa = 5.15 GFRR20 pKa = 11.84 LRR22 pKa = 11.84 MRR24 pKa = 11.84 TRR26 pKa = 11.84 AGRR29 pKa = 11.84 AILANRR35 pKa = 11.84 RR36 pKa = 11.84 GKK38 pKa = 10.51 GRR40 pKa = 11.84 ASLSAA45 pKa = 3.83
Molecular weight: 5.21 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.526
IPC2_protein 11.272
IPC_protein 12.881
Toseland 13.042
ProMoST 13.539
Dawson 13.042
Bjellqvist 13.042
Wikipedia 13.525
Rodwell 12.647
Grimsley 13.086
Solomon 13.539
Lehninger 13.437
Nozaki 13.042
DTASelect 13.042
Thurlkill 13.042
EMBOSS 13.539
Sillero 13.042
Patrickios 12.369
IPC_peptide 13.539
IPC2_peptide 12.53
IPC2.peptide.svr19 9.218
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
8072
0
8072
2648258
25
8026
328.1
35.11
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
13.429 ± 0.036
0.802 ± 0.008
6.034 ± 0.022
5.7 ± 0.032
2.748 ± 0.015
9.652 ± 0.03
2.31 ± 0.013
2.985 ± 0.018
2.117 ± 0.022
10.223 ± 0.036
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.707 ± 0.013
1.742 ± 0.015
6.125 ± 0.026
2.619 ± 0.016
8.167 ± 0.029
5.24 ± 0.021
6.219 ± 0.023
8.544 ± 0.027
1.54 ± 0.01
2.098 ± 0.013
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