Prochlorococcus phage P-SSM4
Average proteome isoelectric point is 5.89
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 221 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|Q58LP4|Q58LP4_BPPRS Uncharacterized protein OS=Prochlorococcus phage P-SSM4 OX=268747 GN=PSSM4_054 PE=4 SV=1
MM1 pKa = 7.45 TFLNDD6 pKa = 2.53 IHH8 pKa = 7.64 DD9 pKa = 3.94 IVEE12 pKa = 4.25 EE13 pKa = 4.37 GDD15 pKa = 3.17 NGTAHH20 pKa = 7.62 DD21 pKa = 5.26 IIDD24 pKa = 3.67 VMFNLLDD31 pKa = 4.14 EE32 pKa = 4.69 NQLTQLQDD40 pKa = 3.53 VIANQYY46 pKa = 9.18 PYY48 pKa = 10.03 PDD50 pKa = 4.63 KK51 pKa = 11.2 DD52 pKa = 4.58 DD53 pKa = 4.65 LFIDD57 pKa = 3.86 INNTGGKK64 pKa = 9.13 YY65 pKa = 9.97
Molecular weight: 7.44 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.769
IPC2_protein 3.63
IPC_protein 3.592
Toseland 3.376
ProMoST 3.808
Dawson 3.617
Bjellqvist 3.783
Wikipedia 3.617
Rodwell 3.427
Grimsley 3.287
Solomon 3.579
Lehninger 3.541
Nozaki 3.757
DTASelect 4.012
Thurlkill 3.465
EMBOSS 3.617
Sillero 3.719
Patrickios 1.863
IPC_peptide 3.579
IPC2_peptide 3.681
IPC2.peptide.svr19 3.709
Protein with the highest isoelectric point:
>tr|Q58LM4|Q58LM4_BPPRS Uncharacterized protein OS=Prochlorococcus phage P-SSM4 OX=268747 GN=PSSM4_074 PE=4 SV=1
MM1 pKa = 7.55 AMYY4 pKa = 11.13 KK5 pKa = 9.49 MGLSEE10 pKa = 5.44 IEE12 pKa = 4.36 SKK14 pKa = 10.46 PKK16 pKa = 9.18 KK17 pKa = 8.31 TRR19 pKa = 11.84 QGNGAHH25 pKa = 6.03 TKK27 pKa = 10.24 YY28 pKa = 10.79 SATARR33 pKa = 11.84 NKK35 pKa = 9.71 KK36 pKa = 9.11 KK37 pKa = 10.44 KK38 pKa = 9.43 PYY40 pKa = 9.62 RR41 pKa = 11.84 GQGKK45 pKa = 9.57
Molecular weight: 5.09 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.219
IPC2_protein 10.058
IPC_protein 10.248
Toseland 10.818
ProMoST 10.379
Dawson 10.906
Bjellqvist 10.511
Wikipedia 11.023
Rodwell 11.579
Grimsley 10.935
Solomon 10.935
Lehninger 10.921
Nozaki 10.774
DTASelect 10.511
Thurlkill 10.789
EMBOSS 11.184
Sillero 10.818
Patrickios 11.33
IPC_peptide 10.95
IPC2_peptide 9.019
IPC2.peptide.svr19 8.531
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
221
0
221
56763
25
7312
256.8
28.52
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.008 ± 0.282
0.787 ± 0.084
6.576 ± 0.152
5.819 ± 0.372
4.304 ± 0.12
7.833 ± 0.406
1.582 ± 0.116
6.58 ± 0.156
6.31 ± 0.51
6.975 ± 0.199
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.052 ± 0.215
6.037 ± 0.223
3.717 ± 0.135
3.631 ± 0.094
3.922 ± 0.2
6.941 ± 0.26
7.998 ± 0.626
6.451 ± 0.193
1.168 ± 0.098
4.307 ± 0.147
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