Amino acid dipepetide frequency for Catenibacterium sp. CAG:290

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
4.053AlaAla: 4.053 ± 0.11
0.999AlaCys: 0.999 ± 0.044
3.126AlaAsp: 3.126 ± 0.079
3.049AlaGlu: 3.049 ± 0.086
2.727AlaPhe: 2.727 ± 0.066
4.177AlaGly: 4.177 ± 0.106
1.486AlaHis: 1.486 ± 0.056
5.353AlaIle: 5.353 ± 0.092
4.719AlaLys: 4.719 ± 0.101
6.775AlaLeu: 6.775 ± 0.131
2.007AlaMet: 2.007 ± 0.052
2.531AlaAsn: 2.531 ± 0.067
1.737AlaPro: 1.737 ± 0.061
1.796AlaGln: 1.796 ± 0.063
2.18AlaArg: 2.18 ± 0.061
3.982AlaSer: 3.982 ± 0.087
3.192AlaThr: 3.192 ± 0.083
4.461AlaVal: 4.461 ± 0.099
0.396AlaTrp: 0.396 ± 0.026
2.788AlaTyr: 2.788 ± 0.065
0.0AlaXaa: 0.0 ± 0.0
Cys
0.972CysAla: 0.972 ± 0.041
0.203CysCys: 0.203 ± 0.02
0.942CysAsp: 0.942 ± 0.04
0.744CysGlu: 0.744 ± 0.033
0.68CysPhe: 0.68 ± 0.031
1.207CysGly: 1.207 ± 0.043
0.436CysHis: 0.436 ± 0.03
1.27CysIle: 1.27 ± 0.05
0.737CysLys: 0.737 ± 0.042
1.331CysLeu: 1.331 ± 0.053
0.441CysMet: 0.441 ± 0.03
0.522CysAsn: 0.522 ± 0.032
0.573CysPro: 0.573 ± 0.032
0.315CysGln: 0.315 ± 0.022
0.467CysArg: 0.467 ± 0.028
0.746CysSer: 0.746 ± 0.034
0.71CysThr: 0.71 ± 0.033
0.911CysVal: 0.911 ± 0.034
0.083CysTrp: 0.083 ± 0.012
0.502CysTyr: 0.502 ± 0.032
0.0CysXaa: 0.0 ± 0.0
Asp
3.999AspAla: 3.999 ± 0.09
0.788AspCys: 0.788 ± 0.036
3.779AspAsp: 3.779 ± 0.103
5.293AspGlu: 5.293 ± 0.105
2.93AspPhe: 2.93 ± 0.075
3.678AspGly: 3.678 ± 0.097
1.743AspHis: 1.743 ± 0.055
5.475AspIle: 5.475 ± 0.104
3.958AspLys: 3.958 ± 0.086
5.541AspLeu: 5.541 ± 0.107
1.968AspMet: 1.968 ± 0.06
2.638AspAsn: 2.638 ± 0.079
1.902AspPro: 1.902 ± 0.068
1.865AspGln: 1.865 ± 0.063
1.865AspArg: 1.865 ± 0.055
3.0AspSer: 3.0 ± 0.076
3.201AspThr: 3.201 ± 0.081
4.379AspVal: 4.379 ± 0.087
0.489AspTrp: 0.489 ± 0.033
3.798AspTyr: 3.798 ± 0.077
0.0AspXaa: 0.0 ± 0.0
Glu
4.491GluAla: 4.491 ± 0.101
0.852GluCys: 0.852 ± 0.039
4.66GluAsp: 4.66 ± 0.097
6.652GluGlu: 6.652 ± 0.128
2.413GluPhe: 2.413 ± 0.065
4.259GluGly: 4.259 ± 0.078
1.48GluHis: 1.48 ± 0.059
5.291GluIle: 5.291 ± 0.095
6.202GluLys: 6.202 ± 0.108
6.461GluLeu: 6.461 ± 0.121
2.283GluMet: 2.283 ± 0.056
3.962GluAsn: 3.962 ± 0.072
1.542GluPro: 1.542 ± 0.06
1.892GluGln: 1.892 ± 0.055
2.739GluArg: 2.739 ± 0.067
3.108GluSer: 3.108 ± 0.07
3.586GluThr: 3.586 ± 0.08
4.768GluVal: 4.768 ± 0.093
0.48GluTrp: 0.48 ± 0.029
3.022GluTyr: 3.022 ± 0.079
0.0GluXaa: 0.0 ± 0.0
Phe
2.296PheAla: 2.296 ± 0.066
0.592PheCys: 0.592 ± 0.033
3.008PheAsp: 3.008 ± 0.07
2.538PheGlu: 2.538 ± 0.068
1.877PhePhe: 1.877 ± 0.07
2.724PheGly: 2.724 ± 0.072
0.886PheHis: 0.886 ± 0.039
3.603PheIle: 3.603 ± 0.083
3.333PheLys: 3.333 ± 0.082
3.505PheLeu: 3.505 ± 0.093
1.326PheMet: 1.326 ± 0.052
2.437PheAsn: 2.437 ± 0.065
1.253PhePro: 1.253 ± 0.043
0.949PheGln: 0.949 ± 0.038
1.101PheArg: 1.101 ± 0.043
2.822PheSer: 2.822 ± 0.073
2.394PheThr: 2.394 ± 0.064
2.961PheVal: 2.961 ± 0.079
0.255PheTrp: 0.255 ± 0.021
2.016PheTyr: 2.016 ± 0.061
0.0PheXaa: 0.0 ± 0.0
Gly
4.168GlyAla: 4.168 ± 0.112
1.06GlyCys: 1.06 ± 0.041
3.377GlyAsp: 3.377 ± 0.088
3.681GlyGlu: 3.681 ± 0.087
2.908GlyPhe: 2.908 ± 0.071
4.041GlyGly: 4.041 ± 0.105
1.699GlyHis: 1.699 ± 0.058
5.697GlyIle: 5.697 ± 0.105
4.51GlyLys: 4.51 ± 0.098
5.947GlyLeu: 5.947 ± 0.112
2.056GlyMet: 2.056 ± 0.064
2.677GlyAsn: 2.677 ± 0.067
1.366GlyPro: 1.366 ± 0.048
1.938GlyGln: 1.938 ± 0.065
2.269GlyArg: 2.269 ± 0.067
3.439GlySer: 3.439 ± 0.09
3.718GlyThr: 3.718 ± 0.086
4.499GlyVal: 4.499 ± 0.094
0.495GlyTrp: 0.495 ± 0.029
3.4GlyTyr: 3.4 ± 0.076
0.0GlyXaa: 0.0 ± 0.0
His
1.468HisAla: 1.468 ± 0.047
0.389HisCys: 0.389 ± 0.026
1.525HisAsp: 1.525 ± 0.058
1.346HisGlu: 1.346 ± 0.041
1.153HisPhe: 1.153 ± 0.047
1.442HisGly: 1.442 ± 0.051
0.808HisHis: 0.808 ± 0.046
2.158HisIle: 2.158 ± 0.065
1.461HisLys: 1.461 ± 0.052
2.239HisLeu: 2.239 ± 0.079
0.69HisMet: 0.69 ± 0.032
1.055HisAsn: 1.055 ± 0.044
1.143HisPro: 1.143 ± 0.047
0.801HisGln: 0.801 ± 0.035
0.785HisArg: 0.785 ± 0.04
1.234HisSer: 1.234 ± 0.041
1.451HisThr: 1.451 ± 0.046
1.6HisVal: 1.6 ± 0.05
0.162HisTrp: 0.162 ± 0.018
1.316HisTyr: 1.316 ± 0.049
0.0HisXaa: 0.0 ± 0.0
Ile
5.492IleAla: 5.492 ± 0.093
1.221IleCys: 1.221 ± 0.042
5.507IleAsp: 5.507 ± 0.099
5.889IleGlu: 5.889 ± 0.108
3.062IlePhe: 3.062 ± 0.092
5.11IleGly: 5.11 ± 0.096
2.022IleHis: 2.022 ± 0.065
6.764IleIle: 6.764 ± 0.124
6.312IleLys: 6.312 ± 0.099
7.225IleLeu: 7.225 ± 0.141
2.317IleMet: 2.317 ± 0.065
4.114IleAsn: 4.114 ± 0.081
3.194IlePro: 3.194 ± 0.076
2.257IleGln: 2.257 ± 0.066
2.761IleArg: 2.761 ± 0.065
5.12IleSer: 5.12 ± 0.107
4.606IleThr: 4.606 ± 0.086
5.746IleVal: 5.746 ± 0.105
0.429IleTrp: 0.429 ± 0.026
3.434IleTyr: 3.434 ± 0.082
0.0IleXaa: 0.0 ± 0.0
Lys
4.792LysAla: 4.792 ± 0.099
0.752LysCys: 0.752 ± 0.037
5.533LysAsp: 5.533 ± 0.101
7.993LysGlu: 7.993 ± 0.12
1.967LysPhe: 1.967 ± 0.056
4.655LysGly: 4.655 ± 0.101
1.677LysHis: 1.677 ± 0.057
5.21LysIle: 5.21 ± 0.104
8.099LysLys: 8.099 ± 0.151
5.585LysLeu: 5.585 ± 0.114
2.56LysMet: 2.56 ± 0.065
4.621LysAsn: 4.621 ± 0.085
2.08LysPro: 2.08 ± 0.056
2.748LysGln: 2.748 ± 0.077
3.157LysArg: 3.157 ± 0.089
3.583LysSer: 3.583 ± 0.082
4.521LysThr: 4.521 ± 0.084
4.899LysVal: 4.899 ± 0.088
0.55LysTrp: 0.55 ± 0.027
3.566LysTyr: 3.566 ± 0.083
0.0LysXaa: 0.0 ± 0.0
Leu
5.384LeuAla: 5.384 ± 0.101
1.49LeuCys: 1.49 ± 0.048
6.094LeuAsp: 6.094 ± 0.107
6.336LeuGlu: 6.336 ± 0.12
4.06LeuPhe: 4.06 ± 0.091
5.708LeuGly: 5.708 ± 0.116
1.853LeuHis: 1.853 ± 0.058
6.963LeuIle: 6.963 ± 0.15
7.788LeuLys: 7.788 ± 0.133
8.387LeuLeu: 8.387 ± 0.145
2.705LeuMet: 2.705 ± 0.063
4.642LeuAsn: 4.642 ± 0.089
3.167LeuPro: 3.167 ± 0.079
2.249LeuGln: 2.249 ± 0.068
3.126LeuArg: 3.126 ± 0.075
6.309LeuSer: 6.309 ± 0.103
4.993LeuThr: 4.993 ± 0.094
5.852LeuVal: 5.852 ± 0.111
0.506LeuTrp: 0.506 ± 0.032
3.818LeuTyr: 3.818 ± 0.091
0.0LeuXaa: 0.0 ± 0.0
Met
1.967MetAla: 1.967 ± 0.053
0.32MetCys: 0.32 ± 0.022
1.823MetAsp: 1.823 ± 0.054
1.77MetGlu: 1.77 ± 0.059
1.072MetPhe: 1.072 ± 0.044
1.735MetGly: 1.735 ± 0.061
0.665MetHis: 0.665 ± 0.03
2.822MetIle: 2.822 ± 0.071
3.025MetLys: 3.025 ± 0.079
2.332MetLeu: 2.332 ± 0.058
1.069MetMet: 1.069 ± 0.05
2.124MetAsn: 2.124 ± 0.064
1.07MetPro: 1.07 ± 0.042
0.869MetGln: 0.869 ± 0.035
1.195MetArg: 1.195 ± 0.045
1.931MetSer: 1.931 ± 0.06
1.941MetThr: 1.941 ± 0.058
1.605MetVal: 1.605 ± 0.047
0.144MetTrp: 0.144 ± 0.017
1.092MetTyr: 1.092 ± 0.037
0.0MetXaa: 0.0 ± 0.0
Asn
3.145AsnAla: 3.145 ± 0.076
0.599AsnCys: 0.599 ± 0.031
3.055AsnAsp: 3.055 ± 0.069
3.446AsnGlu: 3.446 ± 0.089
1.581AsnPhe: 1.581 ± 0.058
3.289AsnGly: 3.289 ± 0.074
1.383AsnHis: 1.383 ± 0.046
4.082AsnIle: 4.082 ± 0.081
4.538AsnLys: 4.538 ± 0.093
3.739AsnLeu: 3.739 ± 0.072
1.458AsnMet: 1.458 ± 0.047
2.771AsnAsn: 2.771 ± 0.08
1.961AsnPro: 1.961 ± 0.057
1.84AsnGln: 1.84 ± 0.066
1.813AsnArg: 1.813 ± 0.057
2.46AsnSer: 2.46 ± 0.075
2.704AsnThr: 2.704 ± 0.07
3.091AsnVal: 3.091 ± 0.069
0.396AsnTrp: 0.396 ± 0.039
2.393AsnTyr: 2.393 ± 0.067
0.0AsnXaa: 0.0 ± 0.0
Pro
1.759ProAla: 1.759 ± 0.058
0.402ProCys: 0.402 ± 0.029
1.985ProAsp: 1.985 ± 0.052
2.531ProGlu: 2.531 ± 0.077
1.559ProPhe: 1.559 ± 0.055
1.875ProGly: 1.875 ± 0.061
0.927ProHis: 0.927 ± 0.042
2.481ProIle: 2.481 ± 0.069
1.747ProLys: 1.747 ± 0.056
3.013ProLeu: 3.013 ± 0.069
0.835ProMet: 0.835 ± 0.032
1.329ProAsn: 1.329 ± 0.046
0.504ProPro: 0.504 ± 0.033
1.028ProGln: 1.028 ± 0.04
1.05ProArg: 1.05 ± 0.043
1.786ProSer: 1.786 ± 0.055
1.777ProThr: 1.777 ± 0.053
2.499ProVal: 2.499 ± 0.059
0.228ProTrp: 0.228 ± 0.02
1.593ProTyr: 1.593 ± 0.054
0.0ProXaa: 0.0 ± 0.0
Gln
2.027GlnAla: 2.027 ± 0.061
0.431GlnCys: 0.431 ± 0.025
1.522GlnAsp: 1.522 ± 0.051
2.222GlnGlu: 2.222 ± 0.061
1.334GlnPhe: 1.334 ± 0.05
1.752GlnGly: 1.752 ± 0.045
0.502GlnHis: 0.502 ± 0.038
2.153GlnIle: 2.153 ± 0.072
2.332GlnLys: 2.332 ± 0.071
2.88GlnLeu: 2.88 ± 0.072
0.971GlnMet: 0.971 ± 0.043
1.415GlnAsn: 1.415 ± 0.049
0.776GlnPro: 0.776 ± 0.036
0.817GlnGln: 0.817 ± 0.042
1.133GlnArg: 1.133 ± 0.046
1.804GlnSer: 1.804 ± 0.049
1.525GlnThr: 1.525 ± 0.051
2.058GlnVal: 2.058 ± 0.057
0.237GlnTrp: 0.237 ± 0.018
1.642GlnTyr: 1.642 ± 0.06
0.0GlnXaa: 0.0 ± 0.0
Arg
1.931ArgAla: 1.931 ± 0.064
0.473ArgCys: 0.473 ± 0.031
2.004ArgAsp: 2.004 ± 0.057
2.364ArgGlu: 2.364 ± 0.066
1.672ArgPhe: 1.672 ± 0.05
2.0ArgGly: 2.0 ± 0.057
0.91ArgHis: 0.91 ± 0.04
3.321ArgIle: 3.321 ± 0.08
2.751ArgLys: 2.751 ± 0.074
3.177ArgLeu: 3.177 ± 0.07
1.231ArgMet: 1.231 ± 0.042
1.72ArgAsn: 1.72 ± 0.058
0.998ArgPro: 0.998 ± 0.041
1.18ArgGln: 1.18 ± 0.049
1.551ArgArg: 1.551 ± 0.061
1.767ArgSer: 1.767 ± 0.058
1.738ArgThr: 1.738 ± 0.057
2.344ArgVal: 2.344 ± 0.065
0.235ArgTrp: 0.235 ± 0.021
1.958ArgTyr: 1.958 ± 0.067
0.0ArgXaa: 0.0 ± 0.0
Ser
3.13SerAla: 3.13 ± 0.067
0.69SerCys: 0.69 ± 0.035
3.044SerAsp: 3.044 ± 0.074
3.059SerGlu: 3.059 ± 0.076
2.937SerPhe: 2.937 ± 0.077
3.777SerGly: 3.777 ± 0.084
1.534SerHis: 1.534 ± 0.057
5.249SerIle: 5.249 ± 0.122
4.136SerLys: 4.136 ± 0.08
6.05SerLeu: 6.05 ± 0.112
1.852SerMet: 1.852 ± 0.065
2.665SerAsn: 2.665 ± 0.076
1.61SerPro: 1.61 ± 0.057
1.973SerGln: 1.973 ± 0.062
2.129SerArg: 2.129 ± 0.06
3.722SerSer: 3.722 ± 0.103
3.132SerThr: 3.132 ± 0.079
3.612SerVal: 3.612 ± 0.071
0.431SerTrp: 0.431 ± 0.031
2.91SerTyr: 2.91 ± 0.072
0.0SerXaa: 0.0 ± 0.0
Thr
3.142ThrAla: 3.142 ± 0.082
0.758ThrCys: 0.758 ± 0.034
3.047ThrAsp: 3.047 ± 0.079
3.011ThrGlu: 3.011 ± 0.084
2.631ThrPhe: 2.631 ± 0.071
3.969ThrGly: 3.969 ± 0.087
1.422ThrHis: 1.422 ± 0.053
4.992ThrIle: 4.992 ± 0.093
3.811ThrLys: 3.811 ± 0.092
5.59ThrLeu: 5.59 ± 0.101
1.412ThrMet: 1.412 ± 0.057
2.511ThrAsn: 2.511 ± 0.064
2.112ThrPro: 2.112 ± 0.056
1.608ThrGln: 1.608 ± 0.053
1.853ThrArg: 1.853 ± 0.058
3.191ThrSer: 3.191 ± 0.078
3.104ThrThr: 3.104 ± 0.093
3.953ThrVal: 3.953 ± 0.093
0.328ThrTrp: 0.328 ± 0.03
2.663ThrTyr: 2.663 ± 0.059
0.0ThrXaa: 0.0 ± 0.0
Val
4.111ValAla: 4.111 ± 0.095
0.979ValCys: 0.979 ± 0.036
4.508ValAsp: 4.508 ± 0.095
4.785ValGlu: 4.785 ± 0.099
2.949ValPhe: 2.949 ± 0.075
4.227ValGly: 4.227 ± 0.093
1.309ValHis: 1.309 ± 0.042
5.597ValIle: 5.597 ± 0.103
5.034ValLys: 5.034 ± 0.103
6.61ValLeu: 6.61 ± 0.119
1.853ValMet: 1.853 ± 0.063
3.213ValAsn: 3.213 ± 0.071
2.208ValPro: 2.208 ± 0.06
1.616ValGln: 1.616 ± 0.051
2.115ValArg: 2.115 ± 0.065
4.435ValSer: 4.435 ± 0.097
3.855ValThr: 3.855 ± 0.083
5.007ValVal: 5.007 ± 0.106
0.364ValTrp: 0.364 ± 0.023
2.859ValTyr: 2.859 ± 0.075
0.0ValXaa: 0.0 ± 0.0
Trp
0.374TrpAla: 0.374 ± 0.026
0.11TrpCys: 0.11 ± 0.014
0.374TrpAsp: 0.374 ± 0.027
0.326TrpGlu: 0.326 ± 0.028
0.338TrpPhe: 0.338 ± 0.031
0.499TrpGly: 0.499 ± 0.034
0.162TrpHis: 0.162 ± 0.016
0.55TrpIle: 0.55 ± 0.031
0.485TrpLys: 0.485 ± 0.032
0.644TrpLeu: 0.644 ± 0.033
0.227TrpMet: 0.227 ± 0.021
0.455TrpAsn: 0.455 ± 0.037
0.159TrpPro: 0.159 ± 0.018
0.188TrpGln: 0.188 ± 0.02
0.233TrpArg: 0.233 ± 0.02
0.352TrpSer: 0.352 ± 0.022
0.33TrpThr: 0.33 ± 0.026
0.396TrpVal: 0.396 ± 0.028
0.081TrpTrp: 0.081 ± 0.013
0.348TrpTyr: 0.348 ± 0.039
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.836TyrAla: 2.836 ± 0.075
0.685TyrCys: 0.685 ± 0.035
3.377TyrAsp: 3.377 ± 0.08
3.108TyrGlu: 3.108 ± 0.067
2.024TyrPhe: 2.024 ± 0.058
2.822TyrGly: 2.822 ± 0.072
1.321TyrHis: 1.321 ± 0.048
3.556TyrIle: 3.556 ± 0.086
3.568TyrLys: 3.568 ± 0.089
4.4TyrLeu: 4.4 ± 0.085
1.309TyrMet: 1.309 ± 0.043
2.344TyrAsn: 2.344 ± 0.071
1.552TyrPro: 1.552 ± 0.055
1.603TyrGln: 1.603 ± 0.054
1.802TyrArg: 1.802 ± 0.056
2.849TyrSer: 2.849 ± 0.079
2.628TyrThr: 2.628 ± 0.07
2.995TyrVal: 2.995 ± 0.069
0.342TyrTrp: 0.342 ± 0.028
2.425TyrTyr: 2.425 ± 0.077
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 1992 proteins (591403 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