Staphylococcus phage phi879
Average proteome isoelectric point is 6.51
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 55 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|A0A1Q1PW04|A0A1Q1PW04_9CAUD Putative RNA polymerase sigma 70 factor OS=Staphylococcus phage phi879 OX=1955181 PE=4 SV=1
MM1 pKa = 6.63 TVAWNIIKK9 pKa = 10.73 YY10 pKa = 8.64 PALTLAIVVEE20 pKa = 4.62 FFIISSFSTTPIEE33 pKa = 4.16 HH34 pKa = 6.91 SFLFWLLTVAGFEE47 pKa = 4.09 MADD50 pKa = 3.46 QIFLEE55 pKa = 4.22 QEE57 pKa = 3.93 EE58 pKa = 4.51 MM59 pKa = 3.86
Molecular weight: 6.83 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.282
IPC2_protein 4.24
IPC_protein 3.948
Toseland 3.834
ProMoST 4.075
Dawson 3.884
Bjellqvist 4.05
Wikipedia 3.77
Rodwell 3.808
Grimsley 3.757
Solomon 3.846
Lehninger 3.795
Nozaki 4.037
DTASelect 4.037
Thurlkill 3.872
EMBOSS 3.783
Sillero 4.05
Patrickios 3.35
IPC_peptide 3.859
IPC2_peptide 4.037
IPC2.peptide.svr19 3.965
Protein with the highest isoelectric point:
>tr|A0A1Q1PW29|A0A1Q1PW29_9CAUD Terminase small subunit OS=Staphylococcus phage phi879 OX=1955181 PE=4 SV=1
MM1 pKa = 7.35 GGKK4 pKa = 8.79 IVKK7 pKa = 8.55 NTVAEE12 pKa = 4.23 GLKK15 pKa = 10.36 RR16 pKa = 11.84 EE17 pKa = 4.23 LLQMSTLEE25 pKa = 4.04 KK26 pKa = 10.38 RR27 pKa = 11.84 VLKK30 pKa = 10.77 AGASTIIPILRR41 pKa = 11.84 KK42 pKa = 8.36 NTPLGEE48 pKa = 4.3 QQRR51 pKa = 11.84 HH52 pKa = 4.12 ARR54 pKa = 11.84 NYY56 pKa = 9.19 IAISNVKK63 pKa = 8.46 TDD65 pKa = 3.0 RR66 pKa = 11.84 STLEE70 pKa = 3.77 KK71 pKa = 10.19 YY72 pKa = 10.15 VAVGYY77 pKa = 9.81 EE78 pKa = 3.58 KK79 pKa = 10.69 GYY81 pKa = 7.97 SHH83 pKa = 7.75 RR84 pKa = 11.84 IHH86 pKa = 5.45 TTEE89 pKa = 4.4 FGTMYY94 pKa = 10.1 QRR96 pKa = 11.84 PQLFITKK103 pKa = 9.19 SEE105 pKa = 4.07 KK106 pKa = 9.42 EE107 pKa = 3.82 SRR109 pKa = 11.84 NIVFNAMKK117 pKa = 9.3 TAMKK121 pKa = 10.3 RR122 pKa = 11.84 GLRR125 pKa = 3.75
Molecular weight: 14.27 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.262
IPC2_protein 9.78
IPC_protein 10.145
Toseland 10.643
ProMoST 10.335
Dawson 10.745
Bjellqvist 10.379
Wikipedia 10.906
Rodwell 11.228
Grimsley 10.789
Solomon 10.804
Lehninger 10.774
Nozaki 10.613
DTASelect 10.379
Thurlkill 10.643
EMBOSS 11.023
Sillero 10.657
Patrickios 10.95
IPC_peptide 10.804
IPC2_peptide 8.946
IPC2.peptide.svr19 8.761
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
55
0
55
12727
53
1665
231.4
26.48
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.225 ± 0.402
0.739 ± 0.145
5.987 ± 0.347
8.062 ± 0.699
4.251 ± 0.24
5.846 ± 0.729
1.76 ± 0.169
7.59 ± 0.3
9.719 ± 0.446
8.258 ± 0.312
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.404 ± 0.188
6.71 ± 0.241
2.569 ± 0.182
3.685 ± 0.233
4.102 ± 0.204
6.294 ± 0.36
5.814 ± 0.289
5.846 ± 0.178
0.998 ± 0.138
4.141 ± 0.306
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