Streptococcus massiliensis
Average proteome isoelectric point is 6.4
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 1899 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|A0A380L194|A0A380L194_9STRE 3-oxoacyl-[acyl-carrier-protein] synthase 2 OS=Streptococcus massiliensis OX=313439 GN=fabF PE=3 SV=1
MM1 pKa = 7.15 AHH3 pKa = 6.09 EE4 pKa = 5.17 HH5 pKa = 5.86 NHH7 pKa = 5.89 DD8 pKa = 3.7 HH9 pKa = 7.19 DD10 pKa = 3.87 HH11 pKa = 7.4 AEE13 pKa = 4.01 RR14 pKa = 11.84 DD15 pKa = 3.92 LITLVDD21 pKa = 3.8 EE22 pKa = 5.11 NGNEE26 pKa = 4.12 TLFEE30 pKa = 4.24 ILLTIDD36 pKa = 3.07 GMEE39 pKa = 4.14 EE40 pKa = 3.64 FGKK43 pKa = 10.47 NYY45 pKa = 9.61 VLLMPVHH52 pKa = 7.31 AEE54 pKa = 3.57 EE55 pKa = 5.22 DD56 pKa = 3.71 EE57 pKa = 4.33 NGEE60 pKa = 4.24 VEE62 pKa = 4.14 IQAYY66 pKa = 10.22 SYY68 pKa = 11.44 VEE70 pKa = 4.22 NEE72 pKa = 4.81 DD73 pKa = 3.37 GTEE76 pKa = 4.12 GDD78 pKa = 4.72 LEE80 pKa = 5.05 PIPEE84 pKa = 4.74 DD85 pKa = 5.05 SDD87 pKa = 4.93 NEE89 pKa = 3.57 WDD91 pKa = 3.74 MIEE94 pKa = 4.19 EE95 pKa = 4.26 VFNSFMEE102 pKa = 4.25 EE103 pKa = 3.85 AEE105 pKa = 4.07
Molecular weight: 12.16 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.78
IPC2_protein 3.745
IPC_protein 3.694
Toseland 3.516
ProMoST 3.808
Dawson 3.656
Bjellqvist 3.846
Wikipedia 3.541
Rodwell 3.528
Grimsley 3.427
Solomon 3.643
Lehninger 3.592
Nozaki 3.77
DTASelect 3.897
Thurlkill 3.554
EMBOSS 3.554
Sillero 3.808
Patrickios 1.799
IPC_peptide 3.643
IPC2_peptide 3.795
IPC2.peptide.svr19 3.746
Protein with the highest isoelectric point:
>tr|A0A380KUV1|A0A380KUV1_9STRE Transposase OS=Streptococcus massiliensis OX=313439 GN=NCTC13765_00126 PE=4 SV=1
MM1 pKa = 7.92 PKK3 pKa = 10.14 QKK5 pKa = 7.59 THH7 pKa = 6.46 RR8 pKa = 11.84 ASAKK12 pKa = 8.58 RR13 pKa = 11.84 FKK15 pKa = 10.11 RR16 pKa = 11.84 TGSGGLKK23 pKa = 10.04 RR24 pKa = 11.84 FRR26 pKa = 11.84 AYY28 pKa = 9.4 TSHH31 pKa = 7.17 RR32 pKa = 11.84 FHH34 pKa = 7.37 GKK36 pKa = 6.22 TKK38 pKa = 9.47 KK39 pKa = 9.37 QRR41 pKa = 11.84 RR42 pKa = 11.84 HH43 pKa = 4.45 LRR45 pKa = 11.84 KK46 pKa = 9.43 AAMVSAGDD54 pKa = 3.8 FKK56 pKa = 10.94 RR57 pKa = 11.84 IKK59 pKa = 11.07 AMLTGLKK66 pKa = 10.19
Molecular weight: 7.64 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.319
IPC2_protein 10.847
IPC_protein 12.223
Toseland 12.398
ProMoST 12.866
Dawson 12.398
Bjellqvist 12.384
Wikipedia 12.866
Rodwell 12.296
Grimsley 12.442
Solomon 12.881
Lehninger 12.778
Nozaki 12.398
DTASelect 12.384
Thurlkill 12.398
EMBOSS 12.896
Sillero 12.398
Patrickios 12.018
IPC_peptide 12.881
IPC2_peptide 11.857
IPC2.peptide.svr19 8.981
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
1899
0
1899
577382
30
2783
304.0
34.15
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.864 ± 0.062
0.577 ± 0.016
5.499 ± 0.046
7.083 ± 0.07
4.607 ± 0.052
6.431 ± 0.055
1.958 ± 0.024
7.14 ± 0.054
7.035 ± 0.064
10.274 ± 0.08
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.462 ± 0.028
4.421 ± 0.04
3.265 ± 0.029
4.204 ± 0.042
4.207 ± 0.05
5.914 ± 0.043
5.603 ± 0.065
6.84 ± 0.05
0.858 ± 0.02
3.759 ± 0.031
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