Amino acid dipepetide frequency for Rickettsia prowazekii (strain Madrid E)

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
4.517AlaAla: 4.517 ± 0.143
0.824AlaCys: 0.824 ± 0.048
2.628AlaAsp: 2.628 ± 0.113
3.57AlaGlu: 3.57 ± 0.124
2.455AlaPhe: 2.455 ± 0.096
3.685AlaGly: 3.685 ± 0.143
1.097AlaHis: 1.097 ± 0.064
6.223AlaIle: 6.223 ± 0.149
5.334AlaLys: 5.334 ± 0.16
6.28AlaLeu: 6.28 ± 0.146
1.509AlaMet: 1.509 ± 0.074
3.391AlaAsn: 3.391 ± 0.165
1.66AlaPro: 1.66 ± 0.073
1.893AlaGln: 1.893 ± 0.075
2.398AlaArg: 2.398 ± 0.101
4.194AlaSer: 4.194 ± 0.127
2.893AlaThr: 2.893 ± 0.122
3.613AlaVal: 3.613 ± 0.118
0.373AlaTrp: 0.373 ± 0.039
2.004AlaTyr: 2.004 ± 0.115
0.0AlaXaa: 0.0 ± 0.0
Cys
0.548CysAla: 0.548 ± 0.049
0.172CysCys: 0.172 ± 0.026
0.574CysAsp: 0.574 ± 0.044
0.509CysGlu: 0.509 ± 0.04
0.617CysPhe: 0.617 ± 0.045
0.724CysGly: 0.724 ± 0.051
0.29CysHis: 0.29 ± 0.038
1.1CysIle: 1.1 ± 0.073
0.785CysLys: 0.785 ± 0.052
1.072CysLeu: 1.072 ± 0.067
0.204CysMet: 0.204 ± 0.026
0.67CysAsn: 0.67 ± 0.05
0.387CysPro: 0.387 ± 0.041
0.276CysGln: 0.276 ± 0.031
0.344CysArg: 0.344 ± 0.036
0.828CysSer: 0.828 ± 0.051
0.599CysThr: 0.599 ± 0.055
0.602CysVal: 0.602 ± 0.054
0.097CysTrp: 0.097 ± 0.017
0.538CysTyr: 0.538 ± 0.049
0.0CysXaa: 0.0 ± 0.0
Asp
2.366AspAla: 2.366 ± 0.101
0.552AspCys: 0.552 ± 0.04
2.101AspAsp: 2.101 ± 0.098
2.835AspGlu: 2.835 ± 0.114
2.52AspPhe: 2.52 ± 0.095
2.244AspGly: 2.244 ± 0.09
0.971AspHis: 0.971 ± 0.057
5.675AspIle: 5.675 ± 0.137
4.574AspLys: 4.574 ± 0.14
5.162AspLeu: 5.162 ± 0.138
1.032AspMet: 1.032 ± 0.057
3.395AspAsn: 3.395 ± 0.146
1.541AspPro: 1.541 ± 0.081
1.491AspGln: 1.491 ± 0.077
1.588AspArg: 1.588 ± 0.078
2.929AspSer: 2.929 ± 0.118
2.19AspThr: 2.19 ± 0.103
2.588AspVal: 2.588 ± 0.105
0.362AspTrp: 0.362 ± 0.041
2.287AspTyr: 2.287 ± 0.1
0.0AspXaa: 0.0 ± 0.0
Glu
3.61GluAla: 3.61 ± 0.143
0.48GluCys: 0.48 ± 0.041
2.552GluAsp: 2.552 ± 0.11
4.287GluGlu: 4.287 ± 0.16
2.778GluPhe: 2.778 ± 0.106
2.527GluGly: 2.527 ± 0.12
1.201GluHis: 1.201 ± 0.072
6.463GluIle: 6.463 ± 0.165
5.097GluLys: 5.097 ± 0.162
5.868GluLeu: 5.868 ± 0.167
1.305GluMet: 1.305 ± 0.064
3.588GluAsn: 3.588 ± 0.102
1.301GluPro: 1.301 ± 0.073
2.438GluGln: 2.438 ± 0.096
2.24GluArg: 2.24 ± 0.101
3.151GluSer: 3.151 ± 0.104
2.416GluThr: 2.416 ± 0.093
3.678GluVal: 3.678 ± 0.131
0.416GluTrp: 0.416 ± 0.038
2.491GluTyr: 2.491 ± 0.106
0.0GluXaa: 0.0 ± 0.0
Phe
3.287PheAla: 3.287 ± 0.121
0.792PheCys: 0.792 ± 0.052
2.559PheAsp: 2.559 ± 0.099
2.624PheGlu: 2.624 ± 0.105
2.534PhePhe: 2.534 ± 0.118
2.929PheGly: 2.929 ± 0.1
0.824PheHis: 0.824 ± 0.054
5.492PheIle: 5.492 ± 0.182
3.438PheLys: 3.438 ± 0.117
4.854PheLeu: 4.854 ± 0.157
1.054PheMet: 1.054 ± 0.065
3.008PheAsn: 3.008 ± 0.111
1.373PhePro: 1.373 ± 0.067
1.018PheGln: 1.018 ± 0.059
1.351PheArg: 1.351 ± 0.076
3.692PheSer: 3.692 ± 0.13
2.868PheThr: 2.868 ± 0.111
2.502PheVal: 2.502 ± 0.101
0.434PheTrp: 0.434 ± 0.04
2.079PheTyr: 2.079 ± 0.093
0.0PheXaa: 0.0 ± 0.0
Gly
3.387GlyAla: 3.387 ± 0.172
0.617GlyCys: 0.617 ± 0.054
2.337GlyAsp: 2.337 ± 0.112
2.688GlyGlu: 2.688 ± 0.111
2.957GlyPhe: 2.957 ± 0.11
3.75GlyGly: 3.75 ± 0.175
1.054GlyHis: 1.054 ± 0.069
5.735GlyIle: 5.735 ± 0.15
4.527GlyLys: 4.527 ± 0.128
5.058GlyLeu: 5.058 ± 0.134
1.355GlyMet: 1.355 ± 0.07
2.979GlyAsn: 2.979 ± 0.178
1.255GlyPro: 1.255 ± 0.066
1.66GlyGln: 1.66 ± 0.087
2.083GlyArg: 2.083 ± 0.105
3.628GlySer: 3.628 ± 0.127
2.936GlyThr: 2.936 ± 0.138
3.534GlyVal: 3.534 ± 0.117
0.531GlyTrp: 0.531 ± 0.042
2.212GlyTyr: 2.212 ± 0.079
0.0GlyXaa: 0.0 ± 0.0
His
1.075HisAla: 1.075 ± 0.07
0.233HisCys: 0.233 ± 0.026
1.014HisAsp: 1.014 ± 0.062
0.993HisGlu: 0.993 ± 0.071
1.115HisPhe: 1.115 ± 0.069
1.122HisGly: 1.122 ± 0.062
0.484HisHis: 0.484 ± 0.047
1.703HisIle: 1.703 ± 0.073
1.531HisLys: 1.531 ± 0.079
1.814HisLeu: 1.814 ± 0.083
0.344HisMet: 0.344 ± 0.033
1.577HisAsn: 1.577 ± 0.081
0.753HisPro: 0.753 ± 0.052
0.62HisGln: 0.62 ± 0.049
0.713HisArg: 0.713 ± 0.045
1.19HisSer: 1.19 ± 0.063
0.979HisThr: 0.979 ± 0.058
0.853HisVal: 0.853 ± 0.062
0.108HisTrp: 0.108 ± 0.02
0.896HisTyr: 0.896 ± 0.062
0.0HisXaa: 0.0 ± 0.0
Ile
7.653IleAla: 7.653 ± 0.185
1.29IleCys: 1.29 ± 0.073
5.854IleAsp: 5.854 ± 0.138
6.316IleGlu: 6.316 ± 0.204
5.155IlePhe: 5.155 ± 0.163
6.237IleGly: 6.237 ± 0.197
1.674IleHis: 1.674 ± 0.078
12.062IleIle: 12.062 ± 0.235
9.205IleLys: 9.205 ± 0.205
10.557IleLeu: 10.557 ± 0.246
2.04IleMet: 2.04 ± 0.088
7.273IleAsn: 7.273 ± 0.178
3.628IlePro: 3.628 ± 0.113
2.377IleGln: 2.377 ± 0.088
3.258IleArg: 3.258 ± 0.109
7.384IleSer: 7.384 ± 0.198
6.287IleThr: 6.287 ± 0.153
5.933IleVal: 5.933 ± 0.13
0.677IleTrp: 0.677 ± 0.053
3.932IleTyr: 3.932 ± 0.131
0.0IleXaa: 0.0 ± 0.0
Lys
4.936LysAla: 4.936 ± 0.158
0.692LysCys: 0.692 ± 0.054
4.269LysAsp: 4.269 ± 0.131
5.606LysGlu: 5.606 ± 0.164
3.75LysPhe: 3.75 ± 0.138
3.38LysGly: 3.38 ± 0.124
1.599LysHis: 1.599 ± 0.074
9.876LysIle: 9.876 ± 0.244
6.642LysLys: 6.642 ± 0.16
8.592LysLeu: 8.592 ± 0.2
1.896LysMet: 1.896 ± 0.078
6.23LysAsn: 6.23 ± 0.177
2.369LysPro: 2.369 ± 0.104
3.137LysGln: 3.137 ± 0.112
2.663LysArg: 2.663 ± 0.1
4.882LysSer: 4.882 ± 0.135
4.384LysThr: 4.384 ± 0.143
4.846LysVal: 4.846 ± 0.133
0.505LysTrp: 0.505 ± 0.046
3.52LysTyr: 3.52 ± 0.117
0.0LysXaa: 0.0 ± 0.0
Leu
6.166LeuAla: 6.166 ± 0.155
1.097LeuCys: 1.097 ± 0.061
4.907LeuAsp: 4.907 ± 0.129
6.151LeuGlu: 6.151 ± 0.155
4.585LeuPhe: 4.585 ± 0.164
5.32LeuGly: 5.32 ± 0.165
1.843LeuHis: 1.843 ± 0.09
10.137LeuIle: 10.137 ± 0.225
8.714LeuLys: 8.714 ± 0.184
9.901LeuLeu: 9.901 ± 0.256
2.219LeuMet: 2.219 ± 0.101
6.298LeuAsn: 6.298 ± 0.164
3.99LeuPro: 3.99 ± 0.13
3.452LeuGln: 3.452 ± 0.119
3.366LeuArg: 3.366 ± 0.125
7.825LeuSer: 7.825 ± 0.207
5.323LeuThr: 5.323 ± 0.151
5.513LeuVal: 5.513 ± 0.131
0.764LeuTrp: 0.764 ± 0.056
3.362LeuTyr: 3.362 ± 0.123
0.0LeuXaa: 0.0 ± 0.0
Met
1.136MetAla: 1.136 ± 0.066
0.183MetCys: 0.183 ± 0.028
0.85MetAsp: 0.85 ± 0.059
0.81MetGlu: 0.81 ± 0.063
0.982MetPhe: 0.982 ± 0.055
1.018MetGly: 1.018 ± 0.072
0.534MetHis: 0.534 ± 0.041
2.255MetIle: 2.255 ± 0.11
1.67MetLys: 1.67 ± 0.073
2.628MetLeu: 2.628 ± 0.106
0.574MetMet: 0.574 ± 0.043
1.326MetAsn: 1.326 ± 0.064
0.936MetPro: 0.936 ± 0.049
1.108MetGln: 1.108 ± 0.066
0.932MetArg: 0.932 ± 0.063
1.674MetSer: 1.674 ± 0.08
1.169MetThr: 1.169 ± 0.064
1.108MetVal: 1.108 ± 0.068
0.111MetTrp: 0.111 ± 0.019
0.645MetTyr: 0.645 ± 0.049
0.0MetXaa: 0.0 ± 0.0
Asn
3.42AsnAla: 3.42 ± 0.157
0.699AsnCys: 0.699 ± 0.052
2.979AsnAsp: 2.979 ± 0.098
3.194AsnGlu: 3.194 ± 0.121
3.61AsnPhe: 3.61 ± 0.137
2.839AsnGly: 2.839 ± 0.182
1.165AsnHis: 1.165 ± 0.067
8.367AsnIle: 8.367 ± 0.228
6.004AsnLys: 6.004 ± 0.156
7.18AsnLeu: 7.18 ± 0.189
1.373AsnMet: 1.373 ± 0.062
5.743AsnAsn: 5.743 ± 0.227
2.158AsnPro: 2.158 ± 0.093
1.825AsnGln: 1.825 ± 0.086
1.882AsnArg: 1.882 ± 0.072
4.334AsnSer: 4.334 ± 0.139
3.28AsnThr: 3.28 ± 0.158
3.022AsnVal: 3.022 ± 0.123
0.462AsnTrp: 0.462 ± 0.044
2.95AsnTyr: 2.95 ± 0.112
0.0AsnXaa: 0.0 ± 0.0
Pro
1.749ProAla: 1.749 ± 0.083
0.326ProCys: 0.326 ± 0.032
1.681ProAsp: 1.681 ± 0.088
2.162ProGlu: 2.162 ± 0.111
1.498ProPhe: 1.498 ± 0.068
1.459ProGly: 1.459 ± 0.079
0.71ProHis: 0.71 ± 0.053
3.624ProIle: 3.624 ± 0.115
2.412ProLys: 2.412 ± 0.106
3.126ProLeu: 3.126 ± 0.106
0.606ProMet: 0.606 ± 0.046
1.936ProAsn: 1.936 ± 0.077
1.0ProPro: 1.0 ± 0.094
0.986ProGln: 0.986 ± 0.059
0.871ProArg: 0.871 ± 0.055
2.262ProSer: 2.262 ± 0.097
1.692ProThr: 1.692 ± 0.088
1.918ProVal: 1.918 ± 0.083
0.305ProTrp: 0.305 ± 0.033
1.183ProTyr: 1.183 ± 0.074
0.0ProXaa: 0.0 ± 0.0
Gln
1.857GlnAla: 1.857 ± 0.078
0.24GlnCys: 0.24 ± 0.028
1.753GlnAsp: 1.753 ± 0.081
2.366GlnGlu: 2.366 ± 0.098
1.319GlnPhe: 1.319 ± 0.072
1.692GlnGly: 1.692 ± 0.076
0.599GlnHis: 0.599 ± 0.05
3.448GlnIle: 3.448 ± 0.097
2.904GlnLys: 2.904 ± 0.103
2.699GlnLeu: 2.699 ± 0.095
0.692GlnMet: 0.692 ± 0.044
2.545GlnAsn: 2.545 ± 0.102
0.764GlnPro: 0.764 ± 0.053
1.226GlnGln: 1.226 ± 0.077
1.1GlnArg: 1.1 ± 0.071
1.753GlnSer: 1.753 ± 0.068
1.423GlnThr: 1.423 ± 0.066
1.735GlnVal: 1.735 ± 0.078
0.168GlnTrp: 0.168 ± 0.024
1.161GlnTyr: 1.161 ± 0.068
0.0GlnXaa: 0.0 ± 0.0
Arg
1.982ArgAla: 1.982 ± 0.096
0.337ArgCys: 0.337 ± 0.034
1.785ArgAsp: 1.785 ± 0.093
2.129ArgGlu: 2.129 ± 0.099
1.742ArgPhe: 1.742 ± 0.087
1.817ArgGly: 1.817 ± 0.102
0.627ArgHis: 0.627 ± 0.045
3.649ArgIle: 3.649 ± 0.12
2.653ArgLys: 2.653 ± 0.113
3.474ArgLeu: 3.474 ± 0.119
0.796ArgMet: 0.796 ± 0.055
1.882ArgAsn: 1.882 ± 0.084
1.014ArgPro: 1.014 ± 0.072
1.183ArgGln: 1.183 ± 0.061
1.394ArgArg: 1.394 ± 0.082
2.233ArgSer: 2.233 ± 0.104
1.627ArgThr: 1.627 ± 0.073
2.011ArgVal: 2.011 ± 0.091
0.255ArgTrp: 0.255 ± 0.03
1.319ArgTyr: 1.319 ± 0.064
0.0ArgXaa: 0.0 ± 0.0
Ser
3.556SerAla: 3.556 ± 0.126
0.807SerCys: 0.807 ± 0.06
3.108SerAsp: 3.108 ± 0.097
3.474SerGlu: 3.474 ± 0.111
3.696SerPhe: 3.696 ± 0.134
4.348SerGly: 4.348 ± 0.139
1.362SerHis: 1.362 ± 0.073
6.933SerIle: 6.933 ± 0.187
5.61SerLys: 5.61 ± 0.134
7.03SerLeu: 7.03 ± 0.189
1.405SerMet: 1.405 ± 0.078
4.613SerAsn: 4.613 ± 0.145
1.853SerPro: 1.853 ± 0.086
1.81SerGln: 1.81 ± 0.089
2.244SerArg: 2.244 ± 0.1
5.001SerSer: 5.001 ± 0.145
3.481SerThr: 3.481 ± 0.117
3.846SerVal: 3.846 ± 0.14
0.538SerTrp: 0.538 ± 0.041
2.785SerTyr: 2.785 ± 0.104
0.0SerXaa: 0.0 ± 0.0
Thr
3.251ThrAla: 3.251 ± 0.115
0.441ThrCys: 0.441 ± 0.052
2.455ThrAsp: 2.455 ± 0.106
2.886ThrGlu: 2.886 ± 0.101
2.244ThrPhe: 2.244 ± 0.092
3.19ThrGly: 3.19 ± 0.127
1.004ThrHis: 1.004 ± 0.063
5.477ThrIle: 5.477 ± 0.141
4.474ThrLys: 4.474 ± 0.131
5.223ThrLeu: 5.223 ± 0.174
0.875ThrMet: 0.875 ± 0.053
3.517ThrAsn: 3.517 ± 0.115
2.108ThrPro: 2.108 ± 0.086
1.631ThrGln: 1.631 ± 0.077
1.703ThrArg: 1.703 ± 0.076
3.671ThrSer: 3.671 ± 0.143
3.051ThrThr: 3.051 ± 0.13
2.954ThrVal: 2.954 ± 0.115
0.287ThrTrp: 0.287 ± 0.033
1.692ThrTyr: 1.692 ± 0.083
0.0ThrXaa: 0.0 ± 0.0
Val
3.563ValAla: 3.563 ± 0.133
0.57ValCys: 0.57 ± 0.043
2.703ValAsp: 2.703 ± 0.112
3.111ValGlu: 3.111 ± 0.117
2.581ValPhe: 2.581 ± 0.099
3.445ValGly: 3.445 ± 0.122
1.036ValHis: 1.036 ± 0.06
6.327ValIle: 6.327 ± 0.164
4.524ValLys: 4.524 ± 0.154
5.108ValLeu: 5.108 ± 0.13
1.427ValMet: 1.427 ± 0.075
3.237ValAsn: 3.237 ± 0.122
2.004ValPro: 2.004 ± 0.087
1.588ValGln: 1.588 ± 0.082
2.004ValArg: 2.004 ± 0.081
3.62ValSer: 3.62 ± 0.123
3.52ValThr: 3.52 ± 0.108
3.549ValVal: 3.549 ± 0.135
0.355ValTrp: 0.355 ± 0.037
1.692ValTyr: 1.692 ± 0.081
0.0ValXaa: 0.0 ± 0.0
Trp
0.333TrpAla: 0.333 ± 0.035
0.093TrpCys: 0.093 ± 0.02
0.369TrpAsp: 0.369 ± 0.04
0.255TrpGlu: 0.255 ± 0.027
0.455TrpPhe: 0.455 ± 0.035
0.348TrpGly: 0.348 ± 0.032
0.237TrpHis: 0.237 ± 0.031
0.624TrpIle: 0.624 ± 0.055
0.43TrpLys: 0.43 ± 0.037
0.896TrpLeu: 0.896 ± 0.058
0.151TrpMet: 0.151 ± 0.023
0.419TrpAsn: 0.419 ± 0.04
0.183TrpPro: 0.183 ± 0.027
0.47TrpGln: 0.47 ± 0.042
0.333TrpArg: 0.333 ± 0.032
0.52TrpSer: 0.52 ± 0.046
0.244TrpThr: 0.244 ± 0.03
0.337TrpVal: 0.337 ± 0.042
0.111TrpTrp: 0.111 ± 0.017
0.369TrpTyr: 0.369 ± 0.037
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.147TyrAla: 2.147 ± 0.093
0.491TyrCys: 0.491 ± 0.042
1.925TyrAsp: 1.925 ± 0.079
1.921TyrGlu: 1.921 ± 0.075
2.119TyrPhe: 2.119 ± 0.101
2.208TyrGly: 2.208 ± 0.092
0.807TyrHis: 0.807 ± 0.052
3.624TyrIle: 3.624 ± 0.111
3.251TyrLys: 3.251 ± 0.117
4.413TyrLeu: 4.413 ± 0.144
0.789TyrMet: 0.789 ± 0.055
2.857TyrAsn: 2.857 ± 0.117
1.23TyrPro: 1.23 ± 0.056
1.258TyrGln: 1.258 ± 0.068
1.441TyrArg: 1.441 ± 0.078
2.728TyrSer: 2.728 ± 0.107
1.771TyrThr: 1.771 ± 0.087
1.821TyrVal: 1.821 ± 0.089
0.319TyrTrp: 0.319 ± 0.035
1.731TyrTyr: 1.731 ± 0.086
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 832 proteins (278968 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