Escherichia phage Halfdan
Average proteome isoelectric point is 6.18
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 56 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|A0A2Z5H555|A0A2Z5H555_9CAUD DNA primase/helicase OS=Escherichia phage Halfdan OX=2234092 PE=4 SV=1
MM1 pKa = 7.65 PAYY4 pKa = 10.22 DD5 pKa = 3.47 VTTSFEE11 pKa = 4.21 MTDD14 pKa = 3.69 GRR16 pKa = 11.84 ILEE19 pKa = 4.3 CTYY22 pKa = 11.08 VLSVTPARR30 pKa = 11.84 LWGAPEE36 pKa = 3.53 NCYY39 pKa = 10.28 PEE41 pKa = 4.63 EE42 pKa = 4.97 SEE44 pKa = 4.25 ASEE47 pKa = 4.6 GVFTIDD53 pKa = 4.73 GEE55 pKa = 4.41 EE56 pKa = 3.71 VDD58 pKa = 4.88 YY59 pKa = 11.79 DD60 pKa = 3.99 NLPKK64 pKa = 10.65 GLAVIADD71 pKa = 4.16 KK72 pKa = 11.35 LEE74 pKa = 3.89 QAGPGEE80 pKa = 3.99 FGYY83 pKa = 10.88 NEE85 pKa = 4.4 SLRR88 pKa = 11.84 EE89 pKa = 3.83 PDD91 pKa = 4.16 YY92 pKa = 11.55 EE93 pKa = 4.67 PDD95 pKa = 3.79 FYY97 pKa = 11.47 DD98 pKa = 3.68 YY99 pKa = 11.5 DD100 pKa = 3.58
Molecular weight: 11.22 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.881
IPC2_protein 3.643
IPC_protein 3.579
Toseland 3.389
ProMoST 3.681
Dawson 3.567
Bjellqvist 3.77
Wikipedia 3.478
Rodwell 3.414
Grimsley 3.312
Solomon 3.541
Lehninger 3.49
Nozaki 3.694
DTASelect 3.834
Thurlkill 3.439
EMBOSS 3.49
Sillero 3.694
Patrickios 0.172
IPC_peptide 3.541
IPC2_peptide 3.668
IPC2.peptide.svr19 3.729
Protein with the highest isoelectric point:
>tr|A0A2Z5H3F7|A0A2Z5H3F7_9CAUD DNA-directed DNA polymerase OS=Escherichia phage Halfdan OX=2234092 PE=4 SV=1
MM1 pKa = 7.11 SRR3 pKa = 11.84 SRR5 pKa = 11.84 NRR7 pKa = 11.84 LAVGKK12 pKa = 10.02 LEE14 pKa = 5.82 HH15 pKa = 6.2 FAAWCEE21 pKa = 3.86 KK22 pKa = 10.5 QGWKK26 pKa = 9.81 RR27 pKa = 11.84 HH28 pKa = 4.32 QCKK31 pKa = 9.69 GAYY34 pKa = 7.94 EE35 pKa = 4.3 VLRR38 pKa = 11.84 MRR40 pKa = 11.84 HH41 pKa = 4.9 EE42 pKa = 4.31 VEE44 pKa = 3.69 NDD46 pKa = 3.1 TLIVYY51 pKa = 10.2 RR52 pKa = 11.84 RR53 pKa = 11.84 DD54 pKa = 3.18 STNAGGEE61 pKa = 4.29 LVHH64 pKa = 6.27 LTLFGIAEE72 pKa = 4.24 RR73 pKa = 11.84 TFNRR77 pKa = 11.84 YY78 pKa = 8.26 IKK80 pKa = 9.87 ATRR83 pKa = 3.33
Molecular weight: 9.78 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.269
IPC2_protein 9.341
IPC_protein 9.648
Toseland 10.116
ProMoST 10.028
Dawson 10.306
Bjellqvist 10.014
Wikipedia 10.496
Rodwell 10.584
Grimsley 10.379
Solomon 10.365
Lehninger 10.335
Nozaki 10.16
DTASelect 9.999
Thurlkill 10.175
EMBOSS 10.526
Sillero 10.233
Patrickios 10.321
IPC_peptide 10.365
IPC2_peptide 8.99
IPC2.peptide.svr19 8.351
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
56
0
56
13674
55
1149
244.2
26.72
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.926 ± 0.855
1.112 ± 0.182
5.829 ± 0.213
5.726 ± 0.324
3.73 ± 0.193
8.154 ± 0.288
1.265 ± 0.15
5.514 ± 0.235
5.485 ± 0.331
7.518 ± 0.226
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.274 ± 0.122
5.148 ± 0.327
4.79 ± 0.389
4.212 ± 0.399
4.673 ± 0.287
5.478 ± 0.221
6.275 ± 0.294
6.86 ± 0.276
1.55 ± 0.153
3.481 ± 0.312
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