Methanobacterium lacus (strain AL-21)
Average proteome isoelectric point is 6.14
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 2493 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|F0T7P3|F0T7P3_METLA Uncharacterized protein OS=Methanobacterium lacus (strain AL-21) OX=877455 GN=Metbo_1371 PE=4 SV=1
MM1 pKa = 8.26 VIMAFMFFGILSTSSAANMTGTWSGSNGVYY31 pKa = 10.56 NSTAGPVKK39 pKa = 10.74 VNFTEE44 pKa = 4.08 KK45 pKa = 10.58 HH46 pKa = 5.22 NGAATVTATPTGTTNTNTAFWSNASAAGHH75 pKa = 6.11 SSLEE79 pKa = 4.28 VTLSWNTLTKK89 pKa = 10.73 ANNGTITFNFNRR101 pKa = 11.84 PVNNPILYY109 pKa = 9.43 IDD111 pKa = 4.85 RR112 pKa = 11.84 IGGNLQNGGTITSSSALLTLLNSGMYY138 pKa = 8.25 LTKK141 pKa = 10.84 LSGPTSFEE149 pKa = 4.24 VTSSTIQRR157 pKa = 11.84 TPGVTISSTSTEE169 pKa = 3.67 ASMDD173 pKa = 4.0 PLGGTAAGTVQIMGTNITSVTFSWWGVGADD203 pKa = 3.64 SQADD207 pKa = 3.5 GLEE210 pKa = 4.17 FLWEE214 pKa = 3.95 LEE216 pKa = 4.12 APVDD220 pKa = 4.23 LSISKK225 pKa = 10.19 SDD227 pKa = 3.59 SPDD230 pKa = 3.24 PVVAGKK236 pKa = 9.98 NLTYY240 pKa = 10.49 TITVHH245 pKa = 6.35 NNGPSSIISSDD256 pKa = 3.33 VFTVIDD262 pKa = 3.95 NLPAGFTATSYY273 pKa = 10.37 TPSEE277 pKa = 4.03 GSYY280 pKa = 11.18 NPVTGAWTGVTLANGEE296 pKa = 4.47 DD297 pKa = 3.52 VTLTIIGIVNSTKK310 pKa = 10.43 TGTLTNTASVQVPSGITDD328 pKa = 3.81 PNTNNNQAPPVITTVDD344 pKa = 3.68 GLPTANNDD352 pKa = 3.38 SKK354 pKa = 8.73 TTPEE358 pKa = 4.09 DD359 pKa = 3.75 TPISGNLPASDD370 pKa = 4.0 PDD372 pKa = 4.0 GPVTVVNFVINGTTYY387 pKa = 11.26 APGTVNIPGVGKK399 pKa = 10.27 IVINSDD405 pKa = 2.54 GSYY408 pKa = 10.94 LFTPASNYY416 pKa = 9.78 NGPVPTITYY425 pKa = 7.28 TASDD429 pKa = 3.65 NTGNTATGNLNINVTPVNDD448 pKa = 3.86 APVGTGDD455 pKa = 4.61 SKK457 pKa = 8.75 TTPEE461 pKa = 3.97 DD462 pKa = 3.41 TQATGKK468 pKa = 8.41 VTGTDD473 pKa = 3.0 VDD475 pKa = 4.0 GDD477 pKa = 3.99 TLTFAKK483 pKa = 9.77 DD484 pKa = 3.27 TDD486 pKa = 4.24 PSHH489 pKa = 5.82 GTVVVNADD497 pKa = 3.01 GTYY500 pKa = 10.23 TYY502 pKa = 10.12 MPNANYY508 pKa = 10.24 NGPDD512 pKa = 3.33 SFTVIVSDD520 pKa = 4.0 GKK522 pKa = 10.77 GGSDD526 pKa = 2.49 IVTVNINVTPVNDD539 pKa = 3.73 APIGNGDD546 pKa = 3.84 SKK548 pKa = 9.92 TIPEE552 pKa = 4.21 DD553 pKa = 3.53 TQATGKK559 pKa = 8.41 VTGTDD564 pKa = 2.89 VDD566 pKa = 4.35 GDD568 pKa = 3.43 ILTYY572 pKa = 10.02 TKK574 pKa = 10.89 NSNPTHH580 pKa = 5.37 GTVVVNADD588 pKa = 3.01 GTYY591 pKa = 10.23 TYY593 pKa = 10.12 MPNANYY599 pKa = 10.24 NGPDD603 pKa = 3.33 SFTVIVSDD611 pKa = 4.43 GNGGTDD617 pKa = 2.95 TVTVTINVTPVNDD630 pKa = 3.81 APIGTGDD637 pKa = 3.51 SKK639 pKa = 11.42 AIPEE643 pKa = 4.13 DD644 pKa = 3.76 TQATGKK650 pKa = 8.41 VTGTDD655 pKa = 3.0 VDD657 pKa = 4.43 GDD659 pKa = 3.9 TLTYY663 pKa = 9.7 TKK665 pKa = 10.8 NSNPTHH671 pKa = 5.35 GTAVVNADD679 pKa = 2.95 GTYY682 pKa = 10.08 TYY684 pKa = 10.37 TPNANYY690 pKa = 10.2 NGPDD694 pKa = 3.12 SFTIIVSDD702 pKa = 4.02 GNGGSDD708 pKa = 3.45 VVTVTIDD715 pKa = 3.28 VTPVNDD721 pKa = 3.79 APVGTGDD728 pKa = 4.02 SKK730 pKa = 10.0 TIPEE734 pKa = 4.21 DD735 pKa = 3.53 TQATGKK741 pKa = 8.41 VTGTDD746 pKa = 3.0 VDD748 pKa = 4.43 GDD750 pKa = 3.9 TLTYY754 pKa = 9.88 TKK756 pKa = 9.54 NTNPSHH762 pKa = 5.38 GTAVVNADD770 pKa = 2.95 GTYY773 pKa = 10.08 TYY775 pKa = 10.37 TPNANYY781 pKa = 10.2 NGPDD785 pKa = 3.35 SFTVTVSDD793 pKa = 4.17 GNGGSDD799 pKa = 3.45 VVTVTIDD806 pKa = 3.28 VTPVNDD812 pKa = 3.79 APVGTGDD819 pKa = 4.02 SKK821 pKa = 10.0 TIPEE825 pKa = 4.21 DD826 pKa = 3.53 TQATGKK832 pKa = 8.41 VTGTDD837 pKa = 3.0 VDD839 pKa = 4.43 GDD841 pKa = 3.9 TLTYY845 pKa = 9.92 TKK847 pKa = 9.83 NTDD850 pKa = 3.54 PSHH853 pKa = 5.44 GTAVVNADD861 pKa = 2.95 GTYY864 pKa = 10.08 TYY866 pKa = 10.37 TPNANYY872 pKa = 10.2 NGPDD876 pKa = 3.35 SFTVTVSDD884 pKa = 4.39 GNGGTDD890 pKa = 2.95 TVTVTINVTPVNDD903 pKa = 3.76 APIGNDD909 pKa = 3.26 DD910 pKa = 4.22 SKK912 pKa = 10.14 TIPEE916 pKa = 4.17 DD917 pKa = 3.53 TQATGKK923 pKa = 8.41 VTGTDD928 pKa = 3.0 VDD930 pKa = 4.43 GDD932 pKa = 3.9 TLTYY936 pKa = 9.63 TKK938 pKa = 10.78 NSNPSHH944 pKa = 5.45 GTAVVNADD952 pKa = 2.95 GTYY955 pKa = 10.08 TYY957 pKa = 10.37 TPNANYY963 pKa = 10.2 NGPDD967 pKa = 3.12 SFTIIVSDD975 pKa = 3.79 GKK977 pKa = 11.02 GGSDD981 pKa = 3.18 VVTVNINVTPVNDD994 pKa = 3.76 APIGNDD1000 pKa = 3.26 DD1001 pKa = 4.22 SKK1003 pKa = 10.14 TIPEE1007 pKa = 4.19 DD1008 pKa = 3.55 TQATGNVTGTDD1019 pKa = 3.17 VDD1021 pKa = 4.38 GDD1023 pKa = 3.89 TLTYY1027 pKa = 9.93 TKK1029 pKa = 9.99 STDD1032 pKa = 3.57 PSHH1035 pKa = 5.75 GTAVVNADD1043 pKa = 2.95 GTYY1046 pKa = 10.08 TYY1048 pKa = 10.37 TPNANYY1054 pKa = 10.2 NGPDD1058 pKa = 3.35 SFTVTVSDD1066 pKa = 4.17 GNGGSDD1072 pKa = 3.26 VVTVNINVTPVNDD1085 pKa = 3.76 APIGNDD1091 pKa = 3.26 DD1092 pKa = 4.22 SKK1094 pKa = 10.14 TIPEE1098 pKa = 4.17 DD1099 pKa = 3.53 TQATGKK1105 pKa = 8.4 VTGTDD1110 pKa = 2.83 IDD1112 pKa = 4.74 GDD1114 pKa = 3.93 TLTYY1118 pKa = 9.92 TKK1120 pKa = 9.54 NTNPSHH1126 pKa = 5.38 GTAVVNADD1134 pKa = 2.95 GTYY1137 pKa = 10.08 TYY1139 pKa = 10.37 TPNANYY1145 pKa = 10.2 NGPDD1149 pKa = 3.35 SFTVTVSDD1157 pKa = 4.17 GNGGSDD1163 pKa = 3.45 VVTVTIDD1170 pKa = 3.19 VMPVNDD1176 pKa = 4.41 APVGTGDD1183 pKa = 3.61 SQTIPEE1189 pKa = 4.38 DD1190 pKa = 3.58 TQATGKK1196 pKa = 8.41 VTGTDD1201 pKa = 3.0 VDD1203 pKa = 4.43 GDD1205 pKa = 3.9 TLTYY1209 pKa = 9.92 TKK1211 pKa = 9.83 NTDD1214 pKa = 3.54 PSHH1217 pKa = 5.44 GTAVVNADD1225 pKa = 2.95 GTYY1228 pKa = 10.08 TYY1230 pKa = 10.37 TPNANYY1236 pKa = 10.2 NGPDD1240 pKa = 3.35 SFTVTVSDD1248 pKa = 4.17 GNGGSDD1254 pKa = 3.45 VVTVTIDD1261 pKa = 3.28 VTPVNDD1267 pKa = 3.79 APVGTGDD1274 pKa = 4.02 SKK1276 pKa = 10.0 TIPEE1280 pKa = 4.21 DD1281 pKa = 3.53 TQATGKK1287 pKa = 10.92 VIGTDD1292 pKa = 3.09 VDD1294 pKa = 4.37 GDD1296 pKa = 3.89 TLTYY1300 pKa = 9.63 TKK1302 pKa = 10.78 NSNPSHH1308 pKa = 5.45 GTAVVNADD1316 pKa = 2.95 GTYY1319 pKa = 10.08 TYY1321 pKa = 10.37 TPNANYY1327 pKa = 10.2 NGPDD1331 pKa = 3.12 SFTIIVSDD1339 pKa = 3.79 GKK1341 pKa = 11.02 GGSDD1345 pKa = 3.41 VVTVTIDD1352 pKa = 3.28 VTPVNDD1358 pKa = 3.79 APVGTGDD1365 pKa = 3.61 SQTIPEE1371 pKa = 4.38 DD1372 pKa = 3.58 TQATGKK1378 pKa = 8.41 VTGTDD1383 pKa = 3.0 VDD1385 pKa = 4.43 GDD1387 pKa = 3.9 TLTYY1391 pKa = 9.91 TKK1393 pKa = 9.55 NTNPTHH1399 pKa = 5.27 GTVVVNADD1407 pKa = 3.0 GTYY1410 pKa = 10.08 TYY1412 pKa = 10.37 TPNANYY1418 pKa = 10.2 NGPDD1422 pKa = 3.12 SFTIIVSDD1430 pKa = 3.79 GKK1432 pKa = 11.04 GGSDD1436 pKa = 3.1 VVLVNITMTPVDD1448 pKa = 4.44 DD1449 pKa = 3.96 PVKK1452 pKa = 10.68 NVTPTKK1458 pKa = 10.55 VKK1460 pKa = 10.36 NQTEE1464 pKa = 4.33 VGTIPMQRR1472 pKa = 11.84 TGVPLPMLFMALVMIFGAFVSNKK1495 pKa = 9.38 RR1496 pKa = 11.84 KK1497 pKa = 9.99
Molecular weight: 153.38 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.736
IPC2_protein 3.681
IPC_protein 3.77
Toseland 3.516
ProMoST 3.948
Dawson 3.783
Bjellqvist 3.935
Wikipedia 3.757
Rodwell 3.579
Grimsley 3.414
Solomon 3.783
Lehninger 3.745
Nozaki 3.884
DTASelect 4.24
Thurlkill 3.579
EMBOSS 3.77
Sillero 3.897
Patrickios 2.155
IPC_peptide 3.77
IPC2_peptide 3.859
IPC2.peptide.svr19 3.793
Protein with the highest isoelectric point:
>tr|F0TA09|F0TA09_METLA Isopropylmalate/isohomocitrate dehydrogenase OS=Methanobacterium lacus (strain AL-21) OX=877455 GN=Metbo_0581 PE=3 SV=1
MM1 pKa = 7.46 SRR3 pKa = 11.84 NKK5 pKa = 9.93 PCAKK9 pKa = 10.18 KK10 pKa = 10.51 LRR12 pKa = 11.84 LSKK15 pKa = 9.8 ATKK18 pKa = 8.18 QNRR21 pKa = 11.84 RR22 pKa = 11.84 VPLWVMLKK30 pKa = 9.12 TSRR33 pKa = 11.84 KK34 pKa = 9.07 VRR36 pKa = 11.84 THH38 pKa = 5.73 PKK40 pKa = 7.11 MRR42 pKa = 11.84 QWRR45 pKa = 11.84 RR46 pKa = 11.84 SKK48 pKa = 11.06 VKK50 pKa = 10.52 AA51 pKa = 3.54
Molecular weight: 6.2 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.384
IPC2_protein 10.847
IPC_protein 12.384
Toseland 12.559
ProMoST 13.042
Dawson 12.574
Bjellqvist 12.559
Wikipedia 13.027
Rodwell 12.427
Grimsley 12.603
Solomon 13.056
Lehninger 12.954
Nozaki 12.559
DTASelect 12.559
Thurlkill 12.559
EMBOSS 13.056
Sillero 12.559
Patrickios 12.149
IPC_peptide 13.056
IPC2_peptide 12.032
IPC2.peptide.svr19 9.02
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
2493
0
2493
715694
30
2864
287.1
32.03
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.074 ± 0.06
1.125 ± 0.028
5.601 ± 0.045
6.956 ± 0.079
4.145 ± 0.042
6.996 ± 0.058
1.691 ± 0.02
8.915 ± 0.054
7.483 ± 0.057
9.097 ± 0.067
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.769 ± 0.032
5.752 ± 0.093
3.631 ± 0.03
2.487 ± 0.023
3.383 ± 0.044
6.547 ± 0.046
5.776 ± 0.085
7.175 ± 0.051
0.794 ± 0.018
3.602 ± 0.043
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