Leptolyngbya sp. Heron Island J
Average proteome isoelectric point is 6.09
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 7108 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|U9VW03|U9VW03_9CYAN Alpha-amylase alpha-mannosidase OS=Leptolyngbya sp. Heron Island J OX=1385935 GN=N836_05715 PE=4 SV=1
MM1 pKa = 7.06 TNLWKK6 pKa = 10.64 AVMAGPLLLGAVFSSSNIAAEE27 pKa = 3.95 AAEE30 pKa = 4.46 TVSVDD35 pKa = 3.26 ALSNSDD41 pKa = 4.5 SIQLAQVTSVSEE53 pKa = 4.16 LSDD56 pKa = 3.5 VLPSDD61 pKa = 3.25 WAYY64 pKa = 9.14 TALQRR69 pKa = 11.84 LVEE72 pKa = 4.32 EE73 pKa = 4.49 YY74 pKa = 11.08 GCIEE78 pKa = 5.0 GYY80 pKa = 9.42 PDD82 pKa = 3.41 RR83 pKa = 11.84 SFRR86 pKa = 11.84 GNRR89 pKa = 11.84 AMTRR93 pKa = 11.84 YY94 pKa = 9.34 EE95 pKa = 3.88 FAAGLNACLDD105 pKa = 3.87 VVVQLIDD112 pKa = 4.27 ASPDD116 pKa = 3.37 DD117 pKa = 4.7 LDD119 pKa = 3.99 TIRR122 pKa = 11.84 RR123 pKa = 11.84 LQEE126 pKa = 3.36 EE127 pKa = 4.63 FAAEE131 pKa = 3.85 LATIRR136 pKa = 11.84 GRR138 pKa = 11.84 VDD140 pKa = 2.9 TLEE143 pKa = 5.27 ADD145 pKa = 3.89 VAEE148 pKa = 4.62 LEE150 pKa = 4.39 ANQFSTTTKK159 pKa = 10.81 LKK161 pKa = 10.31 GQLDD165 pKa = 3.64 AHH167 pKa = 6.23 LVVPFDD173 pKa = 4.0 GPGDD177 pKa = 3.7 LDD179 pKa = 3.83 EE180 pKa = 5.01 PTFQYY185 pKa = 8.87 RR186 pKa = 11.84 TRR188 pKa = 11.84 LNLDD192 pKa = 3.23 TSFTGEE198 pKa = 3.71 DD199 pKa = 3.16 RR200 pKa = 11.84 LRR202 pKa = 11.84 TRR204 pKa = 11.84 LQFGDD209 pKa = 3.89 ANNALSGAPGGFAAAGSGGFVDD231 pKa = 5.76 DD232 pKa = 4.16 VRR234 pKa = 11.84 IDD236 pKa = 3.46 DD237 pKa = 4.14 VYY239 pKa = 11.06 YY240 pKa = 10.62 SFPIGSRR247 pKa = 11.84 VSAIIAANSIVSDD260 pKa = 4.11 DD261 pKa = 4.19 FVTSTIVPFDD271 pKa = 3.97 GPSVADD277 pKa = 3.23 YY278 pKa = 9.9 GGPMFYY284 pKa = 10.67 DD285 pKa = 3.3 QLGLGGQSFAAGFNIALTDD304 pKa = 4.23 SLILDD309 pKa = 4.12 AGYY312 pKa = 8.24 ATSQGQDD319 pKa = 2.77 ADD321 pKa = 3.58 KK322 pKa = 11.51 GIFDD326 pKa = 3.81 EE327 pKa = 5.09 YY328 pKa = 11.09 EE329 pKa = 3.86 YY330 pKa = 11.09 LVQLNYY336 pKa = 10.87 LSDD339 pKa = 3.89 GLIDD343 pKa = 3.86 AAVTYY348 pKa = 10.11 MDD350 pKa = 4.84 GEE352 pKa = 4.51 SGDD355 pKa = 4.09 GNGADD360 pKa = 4.73 GIIAGLLSLDD370 pKa = 3.62 FGGFQIGGYY379 pKa = 9.77 YY380 pKa = 10.23 ADD382 pKa = 3.78 QDD384 pKa = 4.44 GDD386 pKa = 4.02 EE387 pKa = 4.18 SWQAGVAVSNLLGTGNAAGVYY408 pKa = 9.33 YY409 pKa = 10.94 VEE411 pKa = 5.64 DD412 pKa = 4.47 FNDD415 pKa = 4.01 DD416 pKa = 3.57 EE417 pKa = 4.44 TAEE420 pKa = 4.87 AYY422 pKa = 10.87 YY423 pKa = 11.17 SMQINEE429 pKa = 4.41 YY430 pKa = 7.26 WTLTPAVIYY439 pKa = 9.81 GQFDD443 pKa = 3.51 ATGDD447 pKa = 3.84 EE448 pKa = 4.26 SWYY451 pKa = 10.32 GAIRR455 pKa = 11.84 SRR457 pKa = 11.84 FKK459 pKa = 10.92 FF460 pKa = 3.48
Molecular weight: 49.36 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.68
IPC2_protein 3.694
IPC_protein 3.745
Toseland 3.503
ProMoST 3.91
Dawson 3.732
Bjellqvist 3.884
Wikipedia 3.681
Rodwell 3.554
Grimsley 3.414
Solomon 3.732
Lehninger 3.681
Nozaki 3.846
DTASelect 4.113
Thurlkill 3.554
EMBOSS 3.681
Sillero 3.859
Patrickios 1.354
IPC_peptide 3.719
IPC2_peptide 3.834
IPC2.peptide.svr19 3.776
Protein with the highest isoelectric point:
>tr|U9W736|U9W736_9CYAN Uncharacterized protein OS=Leptolyngbya sp. Heron Island J OX=1385935 GN=N836_30615 PE=3 SV=1
MM1 pKa = 7.57 ANKK4 pKa = 9.85 IYY6 pKa = 9.76 PLKK9 pKa = 10.42 PSYY12 pKa = 7.69 TTSPTISPPANVFNRR27 pKa = 11.84 IISRR31 pKa = 11.84 RR32 pKa = 11.84 LKK34 pKa = 10.6 AFCCSRR40 pKa = 11.84 LSRR43 pKa = 11.84 FVLLSLVLLITFLVSLALGSVAIPPSEE70 pKa = 4.09 VMTVLLGGTATKK82 pKa = 9.71 PAWQEE87 pKa = 3.55 IILTFRR93 pKa = 11.84 LPRR96 pKa = 11.84 SLTALAAGSALAISGLQLQALFRR119 pKa = 11.84 NALAGPSVLGINAGASLGAALVVLTGGGIGWWGQLSVVGAASGGAAIAMLLVLLMARR176 pKa = 11.84 QVRR179 pKa = 11.84 SSLALLIFGLMLGYY193 pKa = 8.81 VTTALVTILLHH204 pKa = 6.85 FSRR207 pKa = 11.84 LEE209 pKa = 3.64 QTLAYY214 pKa = 10.39 LNWTFGSFNGVTWQQMPILLSVVTMGLVIAQLTCKK249 pKa = 10.05 PLNLLLLGEE258 pKa = 4.37 EE259 pKa = 4.33 QAISLGLSVTVVRR272 pKa = 11.84 CYY274 pKa = 10.97 LIFSASLLAGSITAFCGPIAFLGVAVPHH302 pKa = 6.93 LGRR305 pKa = 11.84 SLFRR309 pKa = 11.84 TQDD312 pKa = 2.91 HH313 pKa = 7.18 RR314 pKa = 11.84 ILVPVVAFLGGWLALVADD332 pKa = 5.62 SIAQVPGNQTVLPLNAVMALLGAPVLIWLMLKK364 pKa = 10.05 QGRR367 pKa = 11.84 QQII370 pKa = 3.83
Molecular weight: 39.06 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.345
IPC2_protein 9.794
IPC_protein 10.701
Toseland 10.657
ProMoST 10.438
Dawson 10.789
Bjellqvist 10.555
Wikipedia 11.023
Rodwell 10.921
Grimsley 10.847
Solomon 10.906
Lehninger 10.877
Nozaki 10.687
DTASelect 10.54
Thurlkill 10.687
EMBOSS 11.082
Sillero 10.73
Patrickios 10.643
IPC_peptide 10.921
IPC2_peptide 9.853
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
7108
0
7108
2230696
29
4624
313.8
34.79
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.963 ± 0.034
0.972 ± 0.011
5.496 ± 0.03
5.828 ± 0.029
3.808 ± 0.021
6.876 ± 0.038
2.063 ± 0.016
5.999 ± 0.022
3.669 ± 0.03
11.237 ± 0.039
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.008 ± 0.015
3.729 ± 0.022
4.864 ± 0.022
5.518 ± 0.028
5.421 ± 0.022
6.374 ± 0.026
5.966 ± 0.026
6.79 ± 0.023
1.516 ± 0.017
2.902 ± 0.018
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