Sphingomonas sp. Leaf20
Average proteome isoelectric point is 6.67
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 3757 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|A0A0Q4FU37|A0A0Q4FU37_9SPHN Uncharacterized protein OS=Sphingomonas sp. Leaf20 OX=1735685 GN=ASE72_17950 PE=4 SV=1
MM1 pKa = 7.21 TFEE4 pKa = 5.06 ASGSTAGFNDD14 pKa = 3.33 GGTYY18 pKa = 10.47 NDD20 pKa = 4.46 GGPVPLAASLDD31 pKa = 4.02 PNAGGTSNDD40 pKa = 3.15 KK41 pKa = 10.4 TIWTLDD47 pKa = 3.4 QINANFNRR55 pKa = 11.84 SGYY58 pKa = 10.41 DD59 pKa = 2.68 WYY61 pKa = 9.94 TNNYY65 pKa = 9.53 GEE67 pKa = 5.3 LNDD70 pKa = 4.33 GVLNYY75 pKa = 9.97 GFWLNQEE82 pKa = 4.28 EE83 pKa = 4.92 LGNSYY88 pKa = 8.45 YY89 pKa = 10.99 TNVTGTVALNEE100 pKa = 4.25 YY101 pKa = 10.9 FDD103 pKa = 3.89 FTAFNAGQTALAQRR117 pKa = 11.84 SMTLWDD123 pKa = 4.19 DD124 pKa = 3.72 LVAISFEE131 pKa = 4.23 QTKK134 pKa = 10.63 SGSADD139 pKa = 2.74 ITFGNTATGGAQAYY153 pKa = 9.58 AYY155 pKa = 10.36 LPFGSTDD162 pKa = 3.49 DD163 pKa = 4.51 AEE165 pKa = 4.25 ILADD169 pKa = 5.76 FGFEE173 pKa = 4.23 DD174 pKa = 4.19 YY175 pKa = 11.3 GRR177 pKa = 11.84 LGGDD181 pKa = 3.02 VWIDD185 pKa = 3.13 GGVASNFSPLTASYY199 pKa = 10.05 YY200 pKa = 10.34 AQTTMVHH207 pKa = 6.7 EE208 pKa = 4.89 IGHH211 pKa = 7.04 AIGLSHH217 pKa = 7.4 PGDD220 pKa = 4.1 YY221 pKa = 10.71 NALDD225 pKa = 4.91 DD226 pKa = 4.39 NDD228 pKa = 4.33 GDD230 pKa = 4.39 GVPDD234 pKa = 5.79 PITYY238 pKa = 10.63 ASDD241 pKa = 2.91 AFYY244 pKa = 10.88 AQDD247 pKa = 3.19 SRR249 pKa = 11.84 QYY251 pKa = 11.43 SIMSYY256 pKa = 10.4 FDD258 pKa = 3.68 AYY260 pKa = 9.1 EE261 pKa = 4.12 TGAQHH266 pKa = 7.31 IDD268 pKa = 2.86 WALLNFAYY276 pKa = 10.26 AATPLVHH283 pKa = 7.61 DD284 pKa = 4.55 IAAIQKK290 pKa = 9.94 IYY292 pKa = 10.77 GVDD295 pKa = 3.03 QTTRR299 pKa = 11.84 TGNTVYY305 pKa = 10.74 GFNATADD312 pKa = 3.52 NAVYY316 pKa = 10.46 DD317 pKa = 5.35 FSANTRR323 pKa = 11.84 PIVAIWDD330 pKa = 3.59 AGGTDD335 pKa = 3.56 TLDD338 pKa = 3.36 FSGWNTSSTIDD349 pKa = 3.7 LNQGAFSSGGGVDD362 pKa = 5.22 DD363 pKa = 5.7 FLTLEE368 pKa = 3.97 QVNANRR374 pKa = 11.84 AALGFAARR382 pKa = 11.84 SQASYY387 pKa = 11.58 DD388 pKa = 3.58 FYY390 pKa = 11.72 EE391 pKa = 4.59 DD392 pKa = 4.86 LKK394 pKa = 10.03 TQLGLKK400 pKa = 10.19 SGLFTDD406 pKa = 4.37 NVSIAYY412 pKa = 9.4 GAVIEE417 pKa = 4.08 NAIGGGGNDD426 pKa = 3.53 RR427 pKa = 11.84 IIGNEE432 pKa = 3.84 VANALTGGAGRR443 pKa = 11.84 DD444 pKa = 3.25 IFEE447 pKa = 4.73 LRR449 pKa = 11.84 SGGTSGADD457 pKa = 4.17 RR458 pKa = 11.84 ITDD461 pKa = 3.58 WSRR464 pKa = 11.84 GDD466 pKa = 3.43 VLATTKK472 pKa = 10.69 AINDD476 pKa = 3.74 ANGDD480 pKa = 4.37 GIITWKK486 pKa = 10.44 GASLTLDD493 pKa = 3.45 GSDD496 pKa = 3.53 GDD498 pKa = 3.82 RR499 pKa = 11.84 VEE501 pKa = 5.12 LVGAQGSSGLRR512 pKa = 11.84 LMGSIDD518 pKa = 3.34 GVFYY522 pKa = 11.46 YY523 pKa = 10.62 EE524 pKa = 4.33 DD525 pKa = 3.38 ARR527 pKa = 11.84 VRR529 pKa = 11.84 PVASSGQKK537 pKa = 9.65 VYY539 pKa = 11.11 EE540 pKa = 4.26 SGFGNDD546 pKa = 3.26 VLRR549 pKa = 11.84 GRR551 pKa = 11.84 TTASATDD558 pKa = 3.3 VFFFDD563 pKa = 3.51 TANPVSSLGKK573 pKa = 9.18 DD574 pKa = 3.0 TVSFTKK580 pKa = 10.6 NDD582 pKa = 3.08 IFVTTTKK589 pKa = 10.75 LADD592 pKa = 3.63 ANNDD596 pKa = 3.11 NKK598 pKa = 9.78 ITFGKK603 pKa = 10.4 NGVLDD608 pKa = 4.03 LGGDD612 pKa = 3.6 HH613 pKa = 7.09 GSVALSGTSALEE625 pKa = 3.69 YY626 pKa = 11.0 DD627 pKa = 4.16 GVVTNNGTEE636 pKa = 4.15 YY637 pKa = 10.73 YY638 pKa = 10.15 VYY640 pKa = 10.93 SNVGSAVGVGALHH653 pKa = 6.88 FF654 pKa = 4.51
Molecular weight: 69.18 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.745
IPC2_protein 3.897
IPC_protein 3.948
Toseland 3.719
ProMoST 4.126
Dawson 3.948
Bjellqvist 4.101
Wikipedia 3.91
Rodwell 3.77
Grimsley 3.617
Solomon 3.948
Lehninger 3.91
Nozaki 4.062
DTASelect 4.355
Thurlkill 3.77
EMBOSS 3.91
Sillero 4.075
Patrickios 1.939
IPC_peptide 3.948
IPC2_peptide 4.05
IPC2.peptide.svr19 3.958
Protein with the highest isoelectric point:
>tr|A0A0Q4GBT3|A0A0Q4GBT3_9SPHN 30S ribosomal protein S7 OS=Sphingomonas sp. Leaf20 OX=1735685 GN=rpsG PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.61 RR3 pKa = 11.84 TFQPSNLVRR12 pKa = 11.84 ARR14 pKa = 11.84 RR15 pKa = 11.84 HH16 pKa = 4.37 GFRR19 pKa = 11.84 ARR21 pKa = 11.84 MATVGGRR28 pKa = 11.84 AVIHH32 pKa = 6.17 ARR34 pKa = 11.84 RR35 pKa = 11.84 ARR37 pKa = 11.84 GRR39 pKa = 11.84 KK40 pKa = 9.02 KK41 pKa = 10.61 LSAA44 pKa = 4.03
Molecular weight: 5.03 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.523
IPC2_protein 11.242
IPC_protein 12.837
Toseland 12.998
ProMoST 13.495
Dawson 12.998
Bjellqvist 12.998
Wikipedia 13.481
Rodwell 12.618
Grimsley 13.042
Solomon 13.495
Lehninger 13.408
Nozaki 12.998
DTASelect 12.998
Thurlkill 12.998
EMBOSS 13.51
Sillero 12.998
Patrickios 12.34
IPC_peptide 13.51
IPC2_peptide 12.486
IPC2.peptide.svr19 9.193
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
3757
0
3757
1227095
26
4130
326.6
35.05
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
13.881 ± 0.067
0.707 ± 0.011
6.227 ± 0.035
4.665 ± 0.042
3.435 ± 0.022
9.088 ± 0.06
1.894 ± 0.021
5.081 ± 0.03
2.687 ± 0.033
9.588 ± 0.044
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.366 ± 0.022
2.466 ± 0.039
5.283 ± 0.034
2.977 ± 0.024
7.398 ± 0.051
5.143 ± 0.034
5.994 ± 0.042
7.537 ± 0.032
1.363 ± 0.018
2.219 ± 0.022
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