Helicobacter phage Pt1918U
Average proteome isoelectric point is 7.29
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 34 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|A0A1S5RFS0|A0A1S5RFS0_9CAUD Uncharacterized protein OS=Helicobacter phage Pt1918U OX=1852671 PE=4 SV=1
MM1 pKa = 6.92 KK2 pKa = 10.4 QRR4 pKa = 11.84 VKK6 pKa = 10.05 TVSYY10 pKa = 9.77 LAKK13 pKa = 10.59 AEE15 pKa = 3.91 FDD17 pKa = 3.9 IKK19 pKa = 11.0 DD20 pKa = 3.38 GSYY23 pKa = 11.15 DD24 pKa = 4.01 LSALPSGAEE33 pKa = 3.94 VVKK36 pKa = 10.83 CDD38 pKa = 3.9 LEE40 pKa = 4.61 VVGEE44 pKa = 4.26 VVTAKK49 pKa = 10.73 ASVGFKK55 pKa = 10.9 DD56 pKa = 3.38 EE57 pKa = 4.74 AEE59 pKa = 4.36 VNFFLDD65 pKa = 6.03 DD66 pKa = 3.53 IDD68 pKa = 5.83 LGTNRR73 pKa = 11.84 FNTSAKK79 pKa = 10.21 CYY81 pKa = 7.59 TALDD85 pKa = 3.93 TKK87 pKa = 10.85 VISAKK92 pKa = 10.22 IINASGNAKK101 pKa = 9.76 GVLRR105 pKa = 11.84 VLYY108 pKa = 7.75 FLPSEE113 pKa = 4.55 TEE115 pKa = 3.62 VEE117 pKa = 4.49 YY118 pKa = 11.22
Molecular weight: 12.85 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.835
IPC2_protein 4.902
IPC_protein 4.736
Toseland 4.571
ProMoST 4.838
Dawson 4.673
Bjellqvist 4.825
Wikipedia 4.546
Rodwell 4.571
Grimsley 4.482
Solomon 4.673
Lehninger 4.622
Nozaki 4.787
DTASelect 4.94
Thurlkill 4.571
EMBOSS 4.558
Sillero 4.838
Patrickios 4.062
IPC_peptide 4.673
IPC2_peptide 4.825
IPC2.peptide.svr19 4.861
Protein with the highest isoelectric point:
>tr|A0A1S5RFS1|A0A1S5RFS1_9CAUD Uncharacterized protein OS=Helicobacter phage Pt1918U OX=1852671 PE=4 SV=1
MM1 pKa = 6.68 NTNRR5 pKa = 11.84 TPNITVIAFGRR16 pKa = 11.84 RR17 pKa = 11.84 KK18 pKa = 9.4 EE19 pKa = 4.09 RR20 pKa = 11.84 EE21 pKa = 3.78 KK22 pKa = 11.37 SKK24 pKa = 9.72 MSHH27 pKa = 5.67 YY28 pKa = 10.2 RR29 pKa = 11.84 HH30 pKa = 5.75 KK31 pKa = 10.93 QKK33 pKa = 10.77 NFKK36 pKa = 10.18 PKK38 pKa = 10.57 VKK40 pKa = 9.58 TEE42 pKa = 4.31 CILFQRR48 pKa = 11.84 VFLKK52 pKa = 10.41 ILEE55 pKa = 4.11 ILKK58 pKa = 9.39 EE59 pKa = 3.98 QEE61 pKa = 3.95 GKK63 pKa = 9.9 SRR65 pKa = 11.84 SVIIEE70 pKa = 3.58 RR71 pKa = 11.84 MIIYY75 pKa = 10.08 FLEE78 pKa = 4.36 KK79 pKa = 10.53 EE80 pKa = 4.38 KK81 pKa = 11.29 GNKK84 pKa = 9.81 DD85 pKa = 2.83 EE86 pKa = 4.33 TAWNKK91 pKa = 9.94 SKK93 pKa = 10.75 RR94 pKa = 11.84 SYY96 pKa = 11.0 RR97 pKa = 11.84 RR98 pKa = 11.84 TLNNYY103 pKa = 9.25 KK104 pKa = 10.25 KK105 pKa = 9.91 EE106 pKa = 4.18 ANVKK110 pKa = 10.09 RR111 pKa = 11.84 KK112 pKa = 8.7 QLQKK116 pKa = 10.97 AKK118 pKa = 10.37 EE119 pKa = 4.05 DD120 pKa = 3.73 EE121 pKa = 4.42 KK122 pKa = 11.47 KK123 pKa = 10.26 KK124 pKa = 10.89 ALYY127 pKa = 9.28 ICKK130 pKa = 9.9 SSPFSYY136 pKa = 10.17 FRR138 pKa = 11.84 RR139 pKa = 11.84 YY140 pKa = 9.18
Molecular weight: 17.09 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.205
IPC2_protein 9.663
IPC_protein 9.736
Toseland 10.599
ProMoST 10.116
Dawson 10.687
Bjellqvist 10.292
Wikipedia 10.804
Rodwell 11.301
Grimsley 10.73
Solomon 10.716
Lehninger 10.701
Nozaki 10.555
DTASelect 10.292
Thurlkill 10.57
EMBOSS 10.965
Sillero 10.599
Patrickios 11.008
IPC_peptide 10.73
IPC2_peptide 8.829
IPC2.peptide.svr19 8.673
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
34
0
34
9172
45
1576
269.8
31.05
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.389 ± 0.355
0.807 ± 0.224
5.026 ± 0.319
8.657 ± 0.305
5.135 ± 0.275
4.099 ± 0.253
1.188 ± 0.155
7.076 ± 0.308
11.001 ± 0.425
10.499 ± 0.345
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.853 ± 0.19
8.352 ± 0.383
2.191 ± 0.182
4.23 ± 0.293
4.176 ± 0.209
6.487 ± 0.268
4.437 ± 0.272
4.328 ± 0.379
0.458 ± 0.087
3.609 ± 0.219
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