Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon pisum symbiotic bacterium)
Average proteome isoelectric point is 8.26
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 572 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|P57122|ATPA_BUCAI ATP synthase subunit alpha OS=Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) OX=107806 GN=atpA PE=3 SV=1
MM1 pKa = 7.65 EE2 pKa = 5.25 NLNVDD7 pKa = 3.63 MLYY10 pKa = 10.06 IAVAIMVGLASIGAAIGIGILGGKK34 pKa = 8.69 FLEE37 pKa = 5.36 GAARR41 pKa = 11.84 QPDD44 pKa = 5.02 LVPLLRR50 pKa = 11.84 TQFFVVMGLVDD61 pKa = 6.56 AIPMIAVGLGLYY73 pKa = 9.31 MLFAISS79 pKa = 3.34
Molecular weight: 8.27 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.584
IPC2_protein 4.685
IPC_protein 4.291
Toseland 4.113
ProMoST 4.457
Dawson 4.279
Bjellqvist 4.431
Wikipedia 4.228
Rodwell 4.139
Grimsley 4.037
Solomon 4.253
Lehninger 4.202
Nozaki 4.418
DTASelect 4.584
Thurlkill 4.19
EMBOSS 4.228
Sillero 4.406
Patrickios 3.897
IPC_peptide 4.253
IPC2_peptide 4.393
IPC2.peptide.svr19 4.358
Protein with the highest isoelectric point:
>sp|P57132|MNME_BUCAI tRNA modification GTPase MnmE OS=Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) OX=107806 GN=mnmE PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.53 RR3 pKa = 11.84 TFQPSILKK11 pKa = 10.25 RR12 pKa = 11.84 NRR14 pKa = 11.84 SHH16 pKa = 7.1 GFRR19 pKa = 11.84 IRR21 pKa = 11.84 MATKK25 pKa = 8.42 NGRR28 pKa = 11.84 YY29 pKa = 8.68 ILSRR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 10.5 LRR39 pKa = 11.84 TRR41 pKa = 11.84 LTVSSKK47 pKa = 11.13
Molecular weight: 5.67 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.431
IPC2_protein 11.125
IPC_protein 12.501
Toseland 12.661
ProMoST 13.159
Dawson 12.661
Bjellqvist 12.661
Wikipedia 13.144
Rodwell 12.34
Grimsley 12.705
Solomon 13.159
Lehninger 13.056
Nozaki 12.661
DTASelect 12.661
Thurlkill 12.661
EMBOSS 13.159
Sillero 12.661
Patrickios 12.076
IPC_peptide 13.159
IPC2_peptide 12.149
IPC2.peptide.svr19 9.079
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
572
0
572
188274
38
1407
329.2
37.61
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.471 ± 0.083
1.215 ± 0.035
4.325 ± 0.061
5.512 ± 0.093
5.047 ± 0.096
5.423 ± 0.094
2.114 ± 0.033
11.544 ± 0.112
9.881 ± 0.138
9.907 ± 0.1
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.17 ± 0.042
7.174 ± 0.105
3.007 ± 0.046
3.202 ± 0.044
3.798 ± 0.079
7.271 ± 0.066
4.569 ± 0.057
4.852 ± 0.074
0.907 ± 0.032
3.611 ± 0.062
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