Helicobacter phage 1961P
Average proteome isoelectric point is 7.39
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 33 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|I6P4B6|I6P4B6_9CAUD Phage structure protein OS=Helicobacter phage 1961P OX=1154995 PE=4 SV=1
MM1 pKa = 8.15 DD2 pKa = 4.72 LTNLEE7 pKa = 4.28 DD8 pKa = 4.3 ALNNGNFKK16 pKa = 10.09 EE17 pKa = 4.17 QVYY20 pKa = 10.75 SGLDD24 pKa = 3.16 GVYY27 pKa = 10.24 RR28 pKa = 11.84 ISKK31 pKa = 9.68 VLNQLDD37 pKa = 3.8 LLKK40 pKa = 11.0 NFSEE44 pKa = 4.55 HH45 pKa = 6.82 DD46 pKa = 3.74 LEE48 pKa = 4.71 IVGGNGWVFHH58 pKa = 5.97 EE59 pKa = 4.54 HH60 pKa = 5.51 SQAIVYY66 pKa = 7.79 EE67 pKa = 4.04 ILKK70 pKa = 10.6
Molecular weight: 7.99 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.663
IPC2_protein 4.749
IPC_protein 4.584
Toseland 4.469
ProMoST 4.711
Dawson 4.558
Bjellqvist 4.698
Wikipedia 4.431
Rodwell 4.457
Grimsley 4.38
Solomon 4.546
Lehninger 4.507
Nozaki 4.673
DTASelect 4.813
Thurlkill 4.482
EMBOSS 4.457
Sillero 4.724
Patrickios 3.719
IPC_peptide 4.558
IPC2_peptide 4.711
IPC2.peptide.svr19 4.679
Protein with the highest isoelectric point:
>tr|I6P005|I6P005_9CAUD JHP1044-like mosaic region protein OS=Helicobacter phage 1961P OX=1154995 PE=4 SV=1
MM1 pKa = 7.53 RR2 pKa = 11.84 ALRR5 pKa = 11.84 YY6 pKa = 9.64 KK7 pKa = 10.11 HH8 pKa = 6.42 ANRR11 pKa = 11.84 NFKK14 pKa = 10.27 PKK16 pKa = 9.52 VWTNSVLLEE25 pKa = 4.08 SGILEE30 pKa = 3.8 ILEE33 pKa = 3.89 ALKK36 pKa = 10.82 AIEE39 pKa = 4.09 NRR41 pKa = 11.84 SRR43 pKa = 11.84 SQVLEE48 pKa = 3.58 RR49 pKa = 11.84 LIIFFIEE56 pKa = 4.24 TQKK59 pKa = 11.08 GQNNEE64 pKa = 4.24 KK65 pKa = 9.92 AWEE68 pKa = 4.02 RR69 pKa = 11.84 SKK71 pKa = 10.84 RR72 pKa = 11.84 AYY74 pKa = 9.73 KK75 pKa = 9.43 RR76 pKa = 11.84 TLTNQTKK83 pKa = 10.26 KK84 pKa = 10.8 NKK86 pKa = 9.73 LKK88 pKa = 10.51 RR89 pKa = 11.84 KK90 pKa = 7.18 QLEE93 pKa = 4.25 RR94 pKa = 11.84 VTKK97 pKa = 9.85 AQKK100 pKa = 10.3 KK101 pKa = 9.53 KK102 pKa = 10.41 QLQANANYY110 pKa = 8.93 PFSFFEE116 pKa = 4.23 RR117 pKa = 11.84 AA118 pKa = 3.06
Molecular weight: 14.12 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.267
IPC2_protein 9.911
IPC_protein 10.54
Toseland 11.082
ProMoST 10.716
Dawson 11.14
Bjellqvist 10.804
Wikipedia 11.316
Rodwell 11.535
Grimsley 11.155
Solomon 11.272
Lehninger 11.242
Nozaki 11.052
DTASelect 10.804
Thurlkill 11.052
EMBOSS 11.477
Sillero 11.067
Patrickios 11.257
IPC_peptide 11.286
IPC2_peptide 9.385
IPC2.peptide.svr19 8.59
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
33
0
33
8240
36
919
249.7
28.71
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.517 ± 0.343
0.752 ± 0.208
5.109 ± 0.404
8.398 ± 0.425
4.854 ± 0.327
4.235 ± 0.344
1.383 ± 0.179
7.269 ± 0.265
11.056 ± 0.495
10.364 ± 0.411
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.881 ± 0.18
8.301 ± 0.421
2.451 ± 0.226
4.575 ± 0.429
4.053 ± 0.257
6.383 ± 0.223
4.32 ± 0.283
4.017 ± 0.375
0.558 ± 0.129
3.519 ± 0.184
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