Lactococcus phage p2 (Lactococcus lactis bacteriophage p2)
Average proteome isoelectric point is 6.24
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 50 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:
>sp|D3WAC9|TTTP_BPLP2 Probable tail terminator protein OS=Lactococcus phage p2 OX=254252 PE=1 SV=1
MM1 pKa = 7.56 EE2 pKa = 5.5 FDD4 pKa = 6.13 SYY6 pKa = 11.42 IDD8 pKa = 3.32 WYY10 pKa = 11.58 NNLLTMPLNDD20 pKa = 3.86 VILGVKK26 pKa = 8.96 DD27 pKa = 3.57 TIEE30 pKa = 4.55 DD31 pKa = 3.52 KK32 pKa = 10.66 TVYY35 pKa = 10.62 LSLSDD40 pKa = 3.67 SKK42 pKa = 11.01 VIKK45 pKa = 9.72 MDD47 pKa = 3.07 NTSFVMGYY55 pKa = 9.13 YY56 pKa = 8.74 YY57 pKa = 10.45 QVVLSVKK64 pKa = 10.52 DD65 pKa = 3.51 VDD67 pKa = 4.41 DD68 pKa = 4.44 EE69 pKa = 4.64 LVGLVGNVLQNGWNMTNWSEE89 pKa = 4.32 NSHH92 pKa = 6.58 LYY94 pKa = 10.7 NYY96 pKa = 8.61 TGTVYY101 pKa = 10.42 LPCGAGGQAWQQ112 pKa = 3.59
Molecular weight: 12.74 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.88
IPC2_protein 3.948
IPC_protein 3.897
Toseland 3.681
ProMoST 4.088
Dawson 3.897
Bjellqvist 4.062
Wikipedia 3.872
Rodwell 3.732
Grimsley 3.592
Solomon 3.884
Lehninger 3.846
Nozaki 4.024
DTASelect 4.279
Thurlkill 3.757
EMBOSS 3.872
Sillero 4.024
Patrickios 0.248
IPC_peptide 3.884
IPC2_peptide 3.999
IPC2.peptide.svr19 3.91
Protein with the highest isoelectric point:
>sp|D3WAD0|GP12_BPLP2 Chaperone protein gp12 OS=Lactococcus phage p2 OX=254252 PE=1 SV=1
MM1 pKa = 7.87 AMNLLNTASIAKK13 pKa = 9.49 EE14 pKa = 3.78 MQTKK18 pKa = 7.47 VTEE21 pKa = 4.24 RR22 pKa = 11.84 MGDD25 pKa = 2.9 WFEE28 pKa = 5.71 AEE30 pKa = 4.93 FKK32 pKa = 11.01 AKK34 pKa = 10.5 ANSASRR40 pKa = 11.84 RR41 pKa = 11.84 TRR43 pKa = 11.84 LIRR46 pKa = 11.84 SHH48 pKa = 5.25 GHH50 pKa = 5.22 TYY52 pKa = 9.85 TYY54 pKa = 11.35 ARR56 pKa = 11.84 YY57 pKa = 9.69 QNTGQLSSNLKK68 pKa = 8.86 QVKK71 pKa = 10.01 KK72 pKa = 10.34 GDD74 pKa = 4.14 KK75 pKa = 10.05 IVIDD79 pKa = 3.64 AGTRR83 pKa = 11.84 ANYY86 pKa = 8.62 TSGYY90 pKa = 8.75 HH91 pKa = 6.14 GMYY94 pKa = 10.51 FLVEE98 pKa = 4.07 KK99 pKa = 10.74 KK100 pKa = 10.67 GMQEE104 pKa = 4.02 VKK106 pKa = 8.24 TTLKK110 pKa = 10.66 KK111 pKa = 10.03 GANYY115 pKa = 9.69 ANSMKK120 pKa = 10.65 LL121 pKa = 3.26
Molecular weight: 13.71 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.148
IPC2_protein 9.589
IPC_protein 9.589
Toseland 10.233
ProMoST 9.853
Dawson 10.394
Bjellqvist 10.028
Wikipedia 10.555
Rodwell 10.965
Grimsley 10.467
Solomon 10.423
Lehninger 10.394
Nozaki 10.189
DTASelect 10.043
Thurlkill 10.248
EMBOSS 10.613
Sillero 10.306
Patrickios 10.672
IPC_peptide 10.423
IPC2_peptide 8.536
IPC2.peptide.svr19 8.63
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
49
1
50
8668
39
999
173.4
19.67
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.241 ± 0.581
0.658 ± 0.166
5.607 ± 0.292
7.799 ± 0.637
4.384 ± 0.292
6.38 ± 0.774
1.177 ± 0.171
6.864 ± 0.3
9.114 ± 0.47
8.606 ± 0.313
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.492 ± 0.144
6.38 ± 0.348
2.065 ± 0.29
3.634 ± 0.204
3.415 ± 0.305
6.357 ± 0.48
6.622 ± 0.338
6.53 ± 0.387
1.442 ± 0.176
4.234 ± 0.45
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