Amino acid dipepetide frequency for Pelistega ratti

Apart from single amino acid frequencies one can also calculate so called amino acid dipeptide frequency.

There is 400 possibilites (441 if we consider Xaa as additional 21st amino acid representing all non-standard or unknown amino acids). Thus, if the dipeptides would be present randomly in proteins each amino acid dipeptide should be present with 0.25% frequency. As it is not the case in the nature, for better visablity all more than expected dipepetides are marked by red, and those which are underrepresented are marked by blue in the table.

All values are presented as per milles (‰), therefore need to be multiplied by 10-3.

For more information see sequence space article on Wikipedia.

AlaCysAspGluPheGlyHisIleLysLeuMetAsnProGlnArgSerThrValTrpTyrXaa
Ala
6.602AlaAla: 6.602 ± 0.138
0.864AlaCys: 0.864 ± 0.04
4.236AlaAsp: 4.236 ± 0.097
5.08AlaGlu: 5.08 ± 0.107
3.509AlaPhe: 3.509 ± 0.089
5.679AlaGly: 5.679 ± 0.124
1.749AlaHis: 1.749 ± 0.053
6.339AlaIle: 6.339 ± 0.099
5.153AlaLys: 5.153 ± 0.111
9.672AlaLeu: 9.672 ± 0.145
2.101AlaMet: 2.101 ± 0.058
3.361AlaAsn: 3.361 ± 0.081
2.835AlaPro: 2.835 ± 0.075
4.279AlaGln: 4.279 ± 0.097
4.027AlaArg: 4.027 ± 0.104
4.893AlaSer: 4.893 ± 0.102
4.702AlaThr: 4.702 ± 0.157
5.612AlaVal: 5.612 ± 0.098
1.075AlaTrp: 1.075 ± 0.046
2.816AlaTyr: 2.816 ± 0.071
0.0AlaXaa: 0.0 ± 0.0
Cys
0.663CysAla: 0.663 ± 0.034
0.105CysCys: 0.105 ± 0.013
0.394CysAsp: 0.394 ± 0.023
0.408CysGlu: 0.408 ± 0.026
0.394CysPhe: 0.394 ± 0.028
0.681CysGly: 0.681 ± 0.035
0.303CysHis: 0.303 ± 0.025
0.658CysIle: 0.658 ± 0.032
0.277CysLys: 0.277 ± 0.022
0.926CysLeu: 0.926 ± 0.038
0.195CysMet: 0.195 ± 0.017
0.273CysAsn: 0.273 ± 0.021
0.475CysPro: 0.475 ± 0.033
0.418CysGln: 0.418 ± 0.031
0.338CysArg: 0.338 ± 0.024
0.504CysSer: 0.504 ± 0.03
0.429CysThr: 0.429 ± 0.028
0.612CysVal: 0.612 ± 0.031
0.096CysTrp: 0.096 ± 0.012
0.293CysTyr: 0.293 ± 0.018
0.0CysXaa: 0.0 ± 0.0
Asp
4.005AspAla: 4.005 ± 0.094
0.418AspCys: 0.418 ± 0.032
2.452AspAsp: 2.452 ± 0.08
3.32AspGlu: 3.32 ± 0.089
2.49AspPhe: 2.49 ± 0.055
3.203AspGly: 3.203 ± 0.099
0.985AspHis: 0.985 ± 0.035
4.806AspIle: 4.806 ± 0.087
3.562AspLys: 3.562 ± 0.084
4.825AspLeu: 4.825 ± 0.093
1.244AspMet: 1.244 ± 0.045
2.412AspAsn: 2.412 ± 0.069
2.095AspPro: 2.095 ± 0.068
1.754AspGln: 1.754 ± 0.052
2.121AspArg: 2.121 ± 0.055
2.475AspSer: 2.475 ± 0.061
3.222AspThr: 3.222 ± 0.083
3.27AspVal: 3.27 ± 0.084
0.737AspTrp: 0.737 ± 0.035
2.076AspTyr: 2.076 ± 0.05
0.0AspXaa: 0.0 ± 0.0
Glu
5.046GluAla: 5.046 ± 0.125
0.424GluCys: 0.424 ± 0.025
2.881GluAsp: 2.881 ± 0.06
4.193GluGlu: 4.193 ± 0.105
2.014GluPhe: 2.014 ± 0.056
3.951GluGly: 3.951 ± 0.082
1.338GluHis: 1.338 ± 0.056
4.23GluIle: 4.23 ± 0.091
4.501GluLys: 4.501 ± 0.101
5.316GluLeu: 5.316 ± 0.111
1.547GluMet: 1.547 ± 0.044
3.029GluAsn: 3.029 ± 0.081
1.936GluPro: 1.936 ± 0.062
3.785GluGln: 3.785 ± 0.087
3.28GluArg: 3.28 ± 0.082
2.966GluSer: 2.966 ± 0.08
3.068GluThr: 3.068 ± 0.078
4.179GluVal: 4.179 ± 0.112
0.773GluTrp: 0.773 ± 0.04
1.784GluTyr: 1.784 ± 0.069
0.0GluXaa: 0.0 ± 0.0
Phe
3.355PheAla: 3.355 ± 0.075
0.445PheCys: 0.445 ± 0.028
2.648PheAsp: 2.648 ± 0.069
2.328PheGlu: 2.328 ± 0.07
2.03PhePhe: 2.03 ± 0.077
3.007PheGly: 3.007 ± 0.076
0.802PheHis: 0.802 ± 0.04
3.337PheIle: 3.337 ± 0.083
2.098PheLys: 2.098 ± 0.067
3.965PheLeu: 3.965 ± 0.11
1.081PheMet: 1.081 ± 0.046
2.13PheAsn: 2.13 ± 0.069
1.622PhePro: 1.622 ± 0.054
1.287PheGln: 1.287 ± 0.043
1.555PheArg: 1.555 ± 0.051
3.184PheSer: 3.184 ± 0.079
2.481PheThr: 2.481 ± 0.068
2.6PheVal: 2.6 ± 0.074
0.542PheTrp: 0.542 ± 0.038
1.432PheTyr: 1.432 ± 0.054
0.0PheXaa: 0.0 ± 0.0
Gly
5.386GlyAla: 5.386 ± 0.153
0.628GlyCys: 0.628 ± 0.033
3.294GlyAsp: 3.294 ± 0.085
4.012GlyGlu: 4.012 ± 0.091
3.122GlyPhe: 3.122 ± 0.074
4.587GlyGly: 4.587 ± 0.103
1.446GlyHis: 1.446 ± 0.052
5.472GlyIle: 5.472 ± 0.091
4.474GlyLys: 4.474 ± 0.102
6.99GlyLeu: 6.99 ± 0.108
1.811GlyMet: 1.811 ± 0.057
2.605GlyAsn: 2.605 ± 0.092
1.559GlyPro: 1.559 ± 0.055
2.798GlyGln: 2.798 ± 0.082
3.155GlyArg: 3.155 ± 0.078
3.873GlySer: 3.873 ± 0.101
3.686GlyThr: 3.686 ± 0.089
5.093GlyVal: 5.093 ± 0.099
0.877GlyTrp: 0.877 ± 0.037
2.223GlyTyr: 2.223 ± 0.069
0.0GlyXaa: 0.0 ± 0.0
His
1.712HisAla: 1.712 ± 0.056
0.281HisCys: 0.281 ± 0.017
1.099HisAsp: 1.099 ± 0.051
1.03HisGlu: 1.03 ± 0.048
1.084HisPhe: 1.084 ± 0.043
1.299HisGly: 1.299 ± 0.049
0.974HisHis: 0.974 ± 0.05
2.111HisIle: 2.111 ± 0.063
1.167HisLys: 1.167 ± 0.05
2.655HisLeu: 2.655 ± 0.067
0.448HisMet: 0.448 ± 0.023
0.896HisAsn: 0.896 ± 0.038
1.248HisPro: 1.248 ± 0.052
1.569HisGln: 1.569 ± 0.057
1.016HisArg: 1.016 ± 0.042
1.322HisSer: 1.322 ± 0.047
1.354HisThr: 1.354 ± 0.051
1.016HisVal: 1.016 ± 0.038
0.279HisTrp: 0.279 ± 0.021
1.13HisTyr: 1.13 ± 0.047
0.0HisXaa: 0.0 ± 0.0
Ile
6.976IleAla: 6.976 ± 0.1
0.729IleCys: 0.729 ± 0.039
4.495IleAsp: 4.495 ± 0.089
4.782IleGlu: 4.782 ± 0.093
2.892IlePhe: 2.892 ± 0.078
5.161IleGly: 5.161 ± 0.101
1.76IleHis: 1.76 ± 0.056
5.03IleIle: 5.03 ± 0.102
3.992IleLys: 3.992 ± 0.089
6.775IleLeu: 6.775 ± 0.133
1.445IleMet: 1.445 ± 0.053
3.248IleAsn: 3.248 ± 0.071
3.516IlePro: 3.516 ± 0.079
3.259IleGln: 3.259 ± 0.075
3.313IleArg: 3.313 ± 0.076
4.444IleSer: 4.444 ± 0.074
4.299IleThr: 4.299 ± 0.086
4.627IleVal: 4.627 ± 0.114
0.738IleTrp: 0.738 ± 0.033
2.157IleTyr: 2.157 ± 0.061
0.0IleXaa: 0.0 ± 0.0
Lys
5.437LysAla: 5.437 ± 0.122
0.261LysCys: 0.261 ± 0.022
2.997LysAsp: 2.997 ± 0.081
4.487LysGlu: 4.487 ± 0.097
1.529LysPhe: 1.529 ± 0.054
4.107LysGly: 4.107 ± 0.084
1.215LysHis: 1.215 ± 0.048
3.674LysIle: 3.674 ± 0.087
3.64LysLys: 3.64 ± 0.088
4.704LysLeu: 4.704 ± 0.091
1.523LysMet: 1.523 ± 0.049
2.734LysAsn: 2.734 ± 0.072
2.392LysPro: 2.392 ± 0.065
2.854LysGln: 2.854 ± 0.064
2.827LysArg: 2.827 ± 0.072
2.978LysSer: 2.978 ± 0.069
3.495LysThr: 3.495 ± 0.097
4.182LysVal: 4.182 ± 0.104
0.617LysTrp: 0.617 ± 0.031
1.637LysTyr: 1.637 ± 0.059
0.0LysXaa: 0.0 ± 0.0
Leu
9.238LeuAla: 9.238 ± 0.146
0.941LeuCys: 0.941 ± 0.038
5.306LeuAsp: 5.306 ± 0.102
5.445LeuGlu: 5.445 ± 0.099
4.471LeuPhe: 4.471 ± 0.113
6.963LeuGly: 6.963 ± 0.132
2.325LeuHis: 2.325 ± 0.06
6.751LeuIle: 6.751 ± 0.13
5.708LeuLys: 5.708 ± 0.105
10.603LeuLeu: 10.603 ± 0.175
2.422LeuMet: 2.422 ± 0.064
4.936LeuAsn: 4.936 ± 0.095
4.825LeuPro: 4.825 ± 0.091
4.168LeuGln: 4.168 ± 0.09
4.699LeuArg: 4.699 ± 0.094
7.935LeuSer: 7.935 ± 0.117
5.493LeuThr: 5.493 ± 0.096
6.172LeuVal: 6.172 ± 0.112
1.073LeuTrp: 1.073 ± 0.046
2.927LeuTyr: 2.927 ± 0.081
0.0LeuXaa: 0.0 ± 0.0
Met
2.24MetAla: 2.24 ± 0.058
0.161MetCys: 0.161 ± 0.015
1.111MetAsp: 1.111 ± 0.041
1.027MetGlu: 1.027 ± 0.041
0.753MetPhe: 0.753 ± 0.04
1.668MetGly: 1.668 ± 0.05
0.474MetHis: 0.474 ± 0.027
1.599MetIle: 1.599 ± 0.057
1.421MetLys: 1.421 ± 0.052
2.363MetLeu: 2.363 ± 0.064
0.753MetMet: 0.753 ± 0.037
1.032MetAsn: 1.032 ± 0.042
1.156MetPro: 1.156 ± 0.043
1.295MetGln: 1.295 ± 0.04
1.25MetArg: 1.25 ± 0.044
1.696MetSer: 1.696 ± 0.049
1.427MetThr: 1.427 ± 0.045
1.673MetVal: 1.673 ± 0.051
0.191MetTrp: 0.191 ± 0.015
0.556MetTyr: 0.556 ± 0.031
0.0MetXaa: 0.0 ± 0.0
Asn
3.616AsnAla: 3.616 ± 0.09
0.285AsnCys: 0.285 ± 0.021
2.026AsnAsp: 2.026 ± 0.058
2.24AsnGlu: 2.24 ± 0.06
1.62AsnPhe: 1.62 ± 0.056
2.897AsnGly: 2.897 ± 0.091
1.135AsnHis: 1.135 ± 0.049
3.49AsnIle: 3.49 ± 0.092
2.489AsnLys: 2.489 ± 0.064
3.902AsnLeu: 3.902 ± 0.108
0.938AsnMet: 0.938 ± 0.042
2.082AsnAsn: 2.082 ± 0.09
2.506AsnPro: 2.506 ± 0.065
2.108AsnGln: 2.108 ± 0.071
2.152AsnArg: 2.152 ± 0.069
2.026AsnSer: 2.026 ± 0.068
2.974AsnThr: 2.974 ± 0.088
2.596AsnVal: 2.596 ± 0.096
0.494AsnTrp: 0.494 ± 0.027
1.502AsnTyr: 1.502 ± 0.056
0.0AsnXaa: 0.0 ± 0.0
Pro
3.017ProAla: 3.017 ± 0.08
0.33ProCys: 0.33 ± 0.021
2.438ProAsp: 2.438 ± 0.059
3.155ProGlu: 3.155 ± 0.069
2.026ProPhe: 2.026 ± 0.056
1.923ProGly: 1.923 ± 0.052
1.1ProHis: 1.1 ± 0.044
3.007ProIle: 3.007 ± 0.069
2.216ProLys: 2.216 ± 0.068
4.152ProLeu: 4.152 ± 0.093
0.882ProMet: 0.882 ± 0.035
1.893ProAsn: 1.893 ± 0.056
1.336ProPro: 1.336 ± 0.051
1.701ProGln: 1.701 ± 0.062
1.513ProArg: 1.513 ± 0.065
2.771ProSer: 2.771 ± 0.061
2.396ProThr: 2.396 ± 0.066
2.808ProVal: 2.808 ± 0.07
0.518ProTrp: 0.518 ± 0.031
1.44ProTyr: 1.44 ± 0.046
0.0ProXaa: 0.0 ± 0.0
Gln
4.742GlnAla: 4.742 ± 0.103
0.306GlnCys: 0.306 ± 0.029
2.173GlnAsp: 2.173 ± 0.061
3.119GlnGlu: 3.119 ± 0.082
1.829GlnPhe: 1.829 ± 0.056
3.021GlnGly: 3.021 ± 0.092
1.261GlnHis: 1.261 ± 0.052
2.923GlnIle: 2.923 ± 0.069
2.819GlnLys: 2.819 ± 0.082
4.976GlnLeu: 4.976 ± 0.106
1.048GlnMet: 1.048 ± 0.042
1.798GlnAsn: 1.798 ± 0.058
1.435GlnPro: 1.435 ± 0.051
3.288GlnGln: 3.288 ± 0.092
2.331GlnArg: 2.331 ± 0.07
2.75GlnSer: 2.75 ± 0.069
2.647GlnThr: 2.647 ± 0.079
3.066GlnVal: 3.066 ± 0.075
0.769GlnTrp: 0.769 ± 0.038
1.669GlnTyr: 1.669 ± 0.058
0.0GlnXaa: 0.0 ± 0.0
Arg
3.446ArgAla: 3.446 ± 0.092
0.341ArgCys: 0.341 ± 0.026
2.235ArgAsp: 2.235 ± 0.071
3.111ArgGlu: 3.111 ± 0.085
2.183ArgPhe: 2.183 ± 0.059
2.658ArgGly: 2.658 ± 0.07
1.284ArgHis: 1.284 ± 0.049
3.517ArgIle: 3.517 ± 0.083
2.47ArgLys: 2.47 ± 0.057
5.268ArgLeu: 5.268 ± 0.104
1.162ArgMet: 1.162 ± 0.045
1.644ArgAsn: 1.644 ± 0.055
1.679ArgPro: 1.679 ± 0.052
2.567ArgGln: 2.567 ± 0.068
2.245ArgArg: 2.245 ± 0.071
2.371ArgSer: 2.371 ± 0.062
2.353ArgThr: 2.353 ± 0.059
3.012ArgVal: 3.012 ± 0.076
0.55ArgTrp: 0.55 ± 0.025
2.023ArgTyr: 2.023 ± 0.059
0.0ArgXaa: 0.0 ± 0.0
Ser
4.892SerAla: 4.892 ± 0.102
0.429SerCys: 0.429 ± 0.025
2.926SerAsp: 2.926 ± 0.078
2.978SerGlu: 2.978 ± 0.065
2.717SerPhe: 2.717 ± 0.077
4.461SerGly: 4.461 ± 0.101
1.521SerHis: 1.521 ± 0.05
4.417SerIle: 4.417 ± 0.085
3.015SerLys: 3.015 ± 0.087
6.671SerLeu: 6.671 ± 0.115
1.437SerMet: 1.437 ± 0.054
2.294SerAsn: 2.294 ± 0.062
2.648SerPro: 2.648 ± 0.069
2.677SerGln: 2.677 ± 0.078
2.707SerArg: 2.707 ± 0.07
4.002SerSer: 4.002 ± 0.094
3.468SerThr: 3.468 ± 0.074
3.938SerVal: 3.938 ± 0.085
0.721SerTrp: 0.721 ± 0.03
1.96SerTyr: 1.96 ± 0.062
0.0SerXaa: 0.0 ± 0.0
Thr
4.713ThrAla: 4.713 ± 0.096
0.402ThrCys: 0.402 ± 0.028
2.75ThrAsp: 2.75 ± 0.085
3.136ThrGlu: 3.136 ± 0.07
2.278ThrPhe: 2.278 ± 0.061
4.171ThrGly: 4.171 ± 0.173
1.523ThrHis: 1.523 ± 0.056
4.359ThrIle: 4.359 ± 0.088
2.483ThrLys: 2.483 ± 0.07
6.802ThrLeu: 6.802 ± 0.097
1.06ThrMet: 1.06 ± 0.037
2.06ThrAsn: 2.06 ± 0.088
2.948ThrPro: 2.948 ± 0.076
2.868ThrGln: 2.868 ± 0.077
2.36ThrArg: 2.36 ± 0.06
2.969ThrSer: 2.969 ± 0.066
3.414ThrThr: 3.414 ± 0.098
4.179ThrVal: 4.179 ± 0.117
0.574ThrTrp: 0.574 ± 0.029
1.637ThrTyr: 1.637 ± 0.047
0.0ThrXaa: 0.0 ± 0.0
Val
5.941ValAla: 5.941 ± 0.123
0.612ValCys: 0.612 ± 0.03
3.696ValAsp: 3.696 ± 0.088
4.031ValGlu: 4.031 ± 0.091
2.848ValPhe: 2.848 ± 0.069
4.678ValGly: 4.678 ± 0.094
1.232ValHis: 1.232 ± 0.047
4.903ValIle: 4.903 ± 0.1
3.621ValLys: 3.621 ± 0.08
6.736ValLeu: 6.736 ± 0.117
1.797ValMet: 1.797 ± 0.063
2.967ValAsn: 2.967 ± 0.079
2.61ValPro: 2.61 ± 0.062
2.548ValGln: 2.548 ± 0.066
2.854ValArg: 2.854 ± 0.075
4.236ValSer: 4.236 ± 0.101
3.299ValThr: 3.299 ± 0.101
4.912ValVal: 4.912 ± 0.106
0.765ValTrp: 0.765 ± 0.035
1.88ValTyr: 1.88 ± 0.056
0.0ValXaa: 0.0 ± 0.0
Trp
0.823TrpAla: 0.823 ± 0.038
0.137TrpCys: 0.137 ± 0.016
0.598TrpAsp: 0.598 ± 0.029
0.62TrpGlu: 0.62 ± 0.033
0.569TrpPhe: 0.569 ± 0.03
0.773TrpGly: 0.773 ± 0.038
0.362TrpHis: 0.362 ± 0.022
0.794TrpIle: 0.794 ± 0.035
0.569TrpLys: 0.569 ± 0.031
1.626TrpLeu: 1.626 ± 0.059
0.289TrpMet: 0.289 ± 0.021
0.47TrpAsn: 0.47 ± 0.027
0.273TrpPro: 0.273 ± 0.023
0.842TrpGln: 0.842 ± 0.043
0.658TrpArg: 0.658 ± 0.033
0.687TrpSer: 0.687 ± 0.031
0.531TrpThr: 0.531 ± 0.03
0.877TrpVal: 0.877 ± 0.036
0.182TrpTrp: 0.182 ± 0.018
0.399TrpTyr: 0.399 ± 0.025
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.738TyrAla: 2.738 ± 0.078
0.343TyrCys: 0.343 ± 0.022
1.714TyrAsp: 1.714 ± 0.065
1.74TyrGlu: 1.74 ± 0.058
1.57TyrPhe: 1.57 ± 0.058
2.202TyrGly: 2.202 ± 0.06
0.901TyrHis: 0.901 ± 0.042
2.221TyrIle: 2.221 ± 0.073
1.615TyrLys: 1.615 ± 0.057
3.474TyrLeu: 3.474 ± 0.075
0.663TyrMet: 0.663 ± 0.03
1.213TyrAsn: 1.213 ± 0.045
1.529TyrPro: 1.529 ± 0.056
1.905TyrGln: 1.905 ± 0.069
1.717TyrArg: 1.717 ± 0.058
1.795TyrSer: 1.795 ± 0.057
1.95TyrThr: 1.95 ± 0.059
1.743TyrVal: 1.743 ± 0.051
0.509TyrTrp: 0.509 ± 0.029
1.237TyrTyr: 1.237 ± 0.053
0.0TyrXaa: 0.0 ± 0.0
Xaa
0.0XaaAla: 0.0 ± 0.0
0.0XaaCys: 0.0 ± 0.0
0.0XaaAsp: 0.0 ± 0.0
0.0XaaGlu: 0.0 ± 0.0
0.0XaaPhe: 0.0 ± 0.0
0.0XaaGly: 0.0 ± 0.0
0.0XaaHis: 0.0 ± 0.0
0.0XaaIle: 0.0 ± 0.0
0.0XaaLys: 0.0 ± 0.0
0.0XaaLeu: 0.0 ± 0.0
0.0XaaMet: 0.0 ± 0.0
0.0XaaAsn: 0.0 ± 0.0
0.0XaaPro: 0.0 ± 0.0
0.0XaaGln: 0.0 ± 0.0
0.0XaaArg: 0.0 ± 0.0
0.0XaaSer: 0.0 ± 0.0
0.0XaaThr: 0.0 ± 0.0
0.0XaaVal: 0.0 ± 0.0
0.0XaaTrp: 0.0 ± 0.0
0.0XaaTyr: 0.0 ± 0.0
0.0XaaXaa: 0.0 ± 0.0
Statistics based on 1934 proteins (627191 amino acids)

Note: The error has been estimated with the bootstraping (x100) at the protein level

Above dipeptide statistics (among other stats for this proteome) you can download from this CSV file
See this proteome in: uniprot_link
Proteome-pI is available under Creative Commons Attribution-NoDerivs license, for more details see here

Reference: Kozlowski LP. Proteome-pI 2.0: Proteome Isoelectric Point Database Update. Nucleic Acids Res. 2021, doi: 10.1093/nar/gkab944 Contact: Lukasz P. Kozlowski