Amino acid dipepetide frequency for Streptomyces sp. PVA_94-07

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
22.952AlaAla: 22.952 ± 0.168
1.108AlaCys: 1.108 ± 0.024
8.635AlaAsp: 8.635 ± 0.079
9.915AlaGlu: 9.915 ± 0.106
3.525AlaPhe: 3.525 ± 0.044
14.5AlaGly: 14.5 ± 0.12
3.015AlaHis: 3.015 ± 0.046
2.825AlaIle: 2.825 ± 0.043
2.607AlaLys: 2.607 ± 0.059
15.844AlaLeu: 15.844 ± 0.131
2.401AlaMet: 2.401 ± 0.039
1.552AlaAsn: 1.552 ± 0.033
8.342AlaPro: 8.342 ± 0.094
3.761AlaGln: 3.761 ± 0.045
11.117AlaArg: 11.117 ± 0.102
5.714AlaSer: 5.714 ± 0.061
7.368AlaThr: 7.368 ± 0.063
12.648AlaVal: 12.648 ± 0.113
1.846AlaTrp: 1.846 ± 0.03
2.796AlaTyr: 2.796 ± 0.041
0.0AlaXaa: 0.0 ± 0.0
Cys
1.1CysAla: 1.1 ± 0.027
0.1CysCys: 0.1 ± 0.008
0.442CysAsp: 0.442 ± 0.015
0.371CysGlu: 0.371 ± 0.014
0.212CysPhe: 0.212 ± 0.012
0.946CysGly: 0.946 ± 0.025
0.188CysHis: 0.188 ± 0.01
0.118CysIle: 0.118 ± 0.008
0.106CysLys: 0.106 ± 0.008
0.704CysLeu: 0.704 ± 0.02
0.11CysMet: 0.11 ± 0.007
0.106CysAsn: 0.106 ± 0.008
0.471CysPro: 0.471 ± 0.017
0.146CysGln: 0.146 ± 0.009
0.602CysArg: 0.602 ± 0.019
0.4CysSer: 0.4 ± 0.016
0.466CysThr: 0.466 ± 0.015
0.66CysVal: 0.66 ± 0.021
0.12CysTrp: 0.12 ± 0.008
0.13CysTyr: 0.13 ± 0.009
0.0CysXaa: 0.0 ± 0.0
Asp
8.011AspAla: 8.011 ± 0.085
0.36AspCys: 0.36 ± 0.014
3.395AspAsp: 3.395 ± 0.048
3.983AspGlu: 3.983 ± 0.047
1.442AspPhe: 1.442 ± 0.026
6.526AspGly: 6.526 ± 0.075
1.482AspHis: 1.482 ± 0.029
1.623AspIle: 1.623 ± 0.029
1.059AspLys: 1.059 ± 0.027
6.128AspLeu: 6.128 ± 0.058
0.689AspMet: 0.689 ± 0.022
0.797AspAsn: 0.797 ± 0.02
4.657AspPro: 4.657 ± 0.051
1.602AspGln: 1.602 ± 0.032
5.047AspArg: 5.047 ± 0.064
2.395AspSer: 2.395 ± 0.035
3.216AspThr: 3.216 ± 0.044
4.187AspVal: 4.187 ± 0.049
0.959AspTrp: 0.959 ± 0.027
0.926AspTyr: 0.926 ± 0.023
0.0AspXaa: 0.0 ± 0.0
Glu
8.557GluAla: 8.557 ± 0.092
0.338GluCys: 0.338 ± 0.015
3.0GluAsp: 3.0 ± 0.039
4.399GluGlu: 4.399 ± 0.063
1.416GluPhe: 1.416 ± 0.03
5.018GluGly: 5.018 ± 0.06
1.423GluHis: 1.423 ± 0.025
2.161GluIle: 2.161 ± 0.036
1.486GluLys: 1.486 ± 0.033
6.907GluLeu: 6.907 ± 0.065
0.834GluMet: 0.834 ± 0.023
1.013GluAsn: 1.013 ± 0.026
3.756GluPro: 3.756 ± 0.053
2.331GluGln: 2.331 ± 0.04
5.908GluArg: 5.908 ± 0.068
2.492GluSer: 2.492 ± 0.039
3.01GluThr: 3.01 ± 0.039
4.708GluVal: 4.708 ± 0.058
0.731GluTrp: 0.731 ± 0.019
1.101GluTyr: 1.101 ± 0.027
0.0GluXaa: 0.0 ± 0.0
Phe
3.691PheAla: 3.691 ± 0.048
0.249PheCys: 0.249 ± 0.013
1.871PheAsp: 1.871 ± 0.042
1.321PheGlu: 1.321 ± 0.028
0.845PhePhe: 0.845 ± 0.027
2.918PheGly: 2.918 ± 0.041
0.588PheHis: 0.588 ± 0.017
0.623PheIle: 0.623 ± 0.02
0.425PheLys: 0.425 ± 0.017
2.528PheLeu: 2.528 ± 0.045
0.362PheMet: 0.362 ± 0.015
0.48PheAsn: 0.48 ± 0.017
1.333PhePro: 1.333 ± 0.028
0.66PheGln: 0.66 ± 0.022
1.748PheArg: 1.748 ± 0.031
1.366PheSer: 1.366 ± 0.03
1.987PheThr: 1.987 ± 0.032
2.06PheVal: 2.06 ± 0.035
0.407PheTrp: 0.407 ± 0.017
0.508PheTyr: 0.508 ± 0.017
0.0PheXaa: 0.0 ± 0.0
Gly
12.172GlyAla: 12.172 ± 0.101
0.789GlyCys: 0.789 ± 0.022
5.264GlyAsp: 5.264 ± 0.065
5.94GlyGlu: 5.94 ± 0.062
2.779GlyPhe: 2.779 ± 0.044
9.31GlyGly: 9.31 ± 0.111
2.457GlyHis: 2.457 ± 0.041
3.139GlyIle: 3.139 ± 0.047
2.265GlyLys: 2.265 ± 0.043
9.805GlyLeu: 9.805 ± 0.087
2.018GlyMet: 2.018 ± 0.035
1.535GlyAsn: 1.535 ± 0.03
5.993GlyPro: 5.993 ± 0.064
2.755GlyGln: 2.755 ± 0.04
8.251GlyArg: 8.251 ± 0.079
5.249GlySer: 5.249 ± 0.058
6.536GlyThr: 6.536 ± 0.079
7.751GlyVal: 7.751 ± 0.097
1.665GlyTrp: 1.665 ± 0.029
2.141GlyTyr: 2.141 ± 0.04
0.0GlyXaa: 0.0 ± 0.0
His
2.776HisAla: 2.776 ± 0.039
0.195HisCys: 0.195 ± 0.011
1.308HisAsp: 1.308 ± 0.026
1.167HisGlu: 1.167 ± 0.024
0.611HisPhe: 0.611 ± 0.02
2.431HisGly: 2.431 ± 0.041
0.808HisHis: 0.808 ± 0.028
0.604HisIle: 0.604 ± 0.021
0.282HisLys: 0.282 ± 0.011
2.667HisLeu: 2.667 ± 0.038
0.289HisMet: 0.289 ± 0.012
0.305HisAsn: 0.305 ± 0.013
1.963HisPro: 1.963 ± 0.039
0.73HisGln: 0.73 ± 0.02
2.209HisArg: 2.209 ± 0.038
0.986HisSer: 0.986 ± 0.023
1.394HisThr: 1.394 ± 0.026
1.657HisVal: 1.657 ± 0.034
0.366HisTrp: 0.366 ± 0.012
0.416HisTyr: 0.416 ± 0.015
0.0HisXaa: 0.0 ± 0.0
Ile
4.111IleAla: 4.111 ± 0.051
0.253IleCys: 0.253 ± 0.013
1.9IleAsp: 1.9 ± 0.038
1.766IleGlu: 1.766 ± 0.038
0.618IlePhe: 0.618 ± 0.017
3.226IleGly: 3.226 ± 0.048
0.535IleHis: 0.535 ± 0.021
0.771IleIle: 0.771 ± 0.024
0.632IleLys: 0.632 ± 0.02
2.193IleLeu: 2.193 ± 0.042
0.403IleMet: 0.403 ± 0.014
0.569IleAsn: 0.569 ± 0.018
1.524IlePro: 1.524 ± 0.033
0.612IleGln: 0.612 ± 0.019
1.948IleArg: 1.948 ± 0.035
1.463IleSer: 1.463 ± 0.026
1.92IleThr: 1.92 ± 0.037
2.33IleVal: 2.33 ± 0.039
0.357IleTrp: 0.357 ± 0.014
0.431IleTyr: 0.431 ± 0.016
0.0IleXaa: 0.0 ± 0.0
Lys
2.692LysAla: 2.692 ± 0.057
0.093LysCys: 0.093 ± 0.007
1.171LysAsp: 1.171 ± 0.031
1.209LysGlu: 1.209 ± 0.03
0.407LysPhe: 0.407 ± 0.017
1.731LysGly: 1.731 ± 0.041
0.37LysHis: 0.37 ± 0.017
0.78LysIle: 0.78 ± 0.021
0.823LysLys: 0.823 ± 0.034
1.829LysLeu: 1.829 ± 0.04
0.364LysMet: 0.364 ± 0.015
0.453LysAsn: 0.453 ± 0.019
1.252LysPro: 1.252 ± 0.032
0.624LysGln: 0.624 ± 0.017
1.338LysArg: 1.338 ± 0.032
1.028LysSer: 1.028 ± 0.026
1.137LysThr: 1.137 ± 0.031
1.671LysVal: 1.671 ± 0.037
0.208LysTrp: 0.208 ± 0.01
0.388LysTyr: 0.388 ± 0.014
0.0LysXaa: 0.0 ± 0.0
Leu
16.444LeuAla: 16.444 ± 0.133
0.828LeuCys: 0.828 ± 0.022
6.952LeuAsp: 6.952 ± 0.077
4.754LeuGlu: 4.754 ± 0.058
2.599LeuPhe: 2.599 ± 0.042
9.598LeuGly: 9.598 ± 0.075
2.475LeuHis: 2.475 ± 0.043
2.944LeuIle: 2.944 ± 0.051
1.887LeuLys: 1.887 ± 0.042
12.113LeuLeu: 12.113 ± 0.115
1.558LeuMet: 1.558 ± 0.027
1.47LeuAsn: 1.47 ± 0.031
6.898LeuPro: 6.898 ± 0.077
2.068LeuGln: 2.068 ± 0.036
8.897LeuArg: 8.897 ± 0.086
5.11LeuSer: 5.11 ± 0.055
7.374LeuThr: 7.374 ± 0.072
9.091LeuVal: 9.091 ± 0.083
1.277LeuTrp: 1.277 ± 0.029
1.779LeuTyr: 1.779 ± 0.032
0.0LeuXaa: 0.0 ± 0.0
Met
2.22MetAla: 2.22 ± 0.039
0.119MetCys: 0.119 ± 0.008
0.833MetAsp: 0.833 ± 0.023
0.764MetGlu: 0.764 ± 0.02
0.413MetPhe: 0.413 ± 0.015
1.225MetGly: 1.225 ± 0.027
0.296MetHis: 0.296 ± 0.012
0.606MetIle: 0.606 ± 0.019
0.357MetLys: 0.357 ± 0.013
1.539MetLeu: 1.539 ± 0.033
0.249MetMet: 0.249 ± 0.013
0.397MetAsn: 0.397 ± 0.016
0.989MetPro: 0.989 ± 0.023
0.386MetGln: 0.386 ± 0.015
1.302MetArg: 1.302 ± 0.028
1.188MetSer: 1.188 ± 0.024
1.439MetThr: 1.439 ± 0.03
1.252MetVal: 1.252 ± 0.027
0.183MetTrp: 0.183 ± 0.01
0.306MetTyr: 0.306 ± 0.012
0.0MetXaa: 0.0 ± 0.0
Asn
1.928AsnAla: 1.928 ± 0.032
0.144AsnCys: 0.144 ± 0.009
0.804AsnAsp: 0.804 ± 0.022
0.716AsnGlu: 0.716 ± 0.022
0.408AsnPhe: 0.408 ± 0.014
1.615AsnGly: 1.615 ± 0.037
0.327AsnHis: 0.327 ± 0.014
0.583AsnIle: 0.583 ± 0.017
0.364AsnLys: 0.364 ± 0.014
1.471AsnLeu: 1.471 ± 0.032
0.243AsnMet: 0.243 ± 0.011
0.339AsnAsn: 0.339 ± 0.016
1.207AsnPro: 1.207 ± 0.028
0.476AsnGln: 0.476 ± 0.016
1.114AsnArg: 1.114 ± 0.023
0.744AsnSer: 0.744 ± 0.022
0.987AsnThr: 0.987 ± 0.026
1.128AsnVal: 1.128 ± 0.027
0.243AsnTrp: 0.243 ± 0.013
0.372AsnTyr: 0.372 ± 0.014
0.0AsnXaa: 0.0 ± 0.0
Pro
10.198ProAla: 10.198 ± 0.102
0.342ProCys: 0.342 ± 0.014
4.509ProAsp: 4.509 ± 0.062
4.956ProGlu: 4.956 ± 0.056
1.52ProPhe: 1.52 ± 0.028
7.689ProGly: 7.689 ± 0.082
1.532ProHis: 1.532 ± 0.028
0.987ProIle: 0.987 ± 0.024
1.15ProLys: 1.15 ± 0.029
5.76ProLeu: 5.76 ± 0.065
0.895ProMet: 0.895 ± 0.02
0.743ProAsn: 0.743 ± 0.021
4.034ProPro: 4.034 ± 0.072
1.771ProGln: 1.771 ± 0.041
4.216ProArg: 4.216 ± 0.055
2.978ProSer: 2.978 ± 0.044
3.061ProThr: 3.061 ± 0.044
5.783ProVal: 5.783 ± 0.059
0.953ProTrp: 0.953 ± 0.023
1.346ProTyr: 1.346 ± 0.032
0.0ProXaa: 0.0 ± 0.0
Gln
3.826GlnAla: 3.826 ± 0.053
0.151GlnCys: 0.151 ± 0.01
1.417GlnAsp: 1.417 ± 0.028
1.591GlnGlu: 1.591 ± 0.03
0.629GlnPhe: 0.629 ± 0.02
2.413GlnGly: 2.413 ± 0.042
0.625GlnHis: 0.625 ± 0.018
1.008GlnIle: 1.008 ± 0.026
0.552GlnLys: 0.552 ± 0.019
2.9GlnLeu: 2.9 ± 0.043
0.424GlnMet: 0.424 ± 0.016
0.497GlnAsn: 0.497 ± 0.019
1.667GlnPro: 1.667 ± 0.036
1.169GlnGln: 1.169 ± 0.034
2.309GlnArg: 2.309 ± 0.038
1.163GlnSer: 1.163 ± 0.027
1.222GlnThr: 1.222 ± 0.028
2.356GlnVal: 2.356 ± 0.037
0.418GlnTrp: 0.418 ± 0.016
0.573GlnTyr: 0.573 ± 0.021
0.0GlnXaa: 0.0 ± 0.0
Arg
10.719ArgAla: 10.719 ± 0.103
0.597ArgCys: 0.597 ± 0.015
4.325ArgAsp: 4.325 ± 0.052
5.139ArgGlu: 5.139 ± 0.055
2.238ArgPhe: 2.238 ± 0.036
6.04ArgGly: 6.04 ± 0.064
2.166ArgHis: 2.166 ± 0.035
2.835ArgIle: 2.835 ± 0.034
1.549ArgLys: 1.549 ± 0.034
9.315ArgLeu: 9.315 ± 0.088
1.632ArgMet: 1.632 ± 0.032
1.236ArgAsn: 1.236 ± 0.026
5.486ArgPro: 5.486 ± 0.055
2.258ArgGln: 2.258 ± 0.041
8.044ArgArg: 8.044 ± 0.098
3.987ArgSer: 3.987 ± 0.041
5.563ArgThr: 5.563 ± 0.056
5.892ArgVal: 5.892 ± 0.053
1.355ArgTrp: 1.355 ± 0.03
1.723ArgTyr: 1.723 ± 0.033
0.0ArgXaa: 0.0 ± 0.0
Ser
6.515SerAla: 6.515 ± 0.06
0.392SerCys: 0.392 ± 0.015
2.336SerAsp: 2.336 ± 0.036
2.268SerGlu: 2.268 ± 0.036
1.466SerPhe: 1.466 ± 0.025
5.871SerGly: 5.871 ± 0.063
1.003SerHis: 1.003 ± 0.023
1.145SerIle: 1.145 ± 0.026
0.85SerLys: 0.85 ± 0.027
4.878SerLeu: 4.878 ± 0.057
0.943SerMet: 0.943 ± 0.027
0.742SerAsn: 0.742 ± 0.022
3.091SerPro: 3.091 ± 0.04
1.185SerGln: 1.185 ± 0.027
3.554SerArg: 3.554 ± 0.04
2.575SerSer: 2.575 ± 0.046
2.81SerThr: 2.81 ± 0.037
4.015SerVal: 4.015 ± 0.047
0.83SerTrp: 0.83 ± 0.021
1.078SerTyr: 1.078 ± 0.024
0.0SerXaa: 0.0 ± 0.0
Thr
9.131ThrAla: 9.131 ± 0.079
0.411ThrCys: 0.411 ± 0.014
3.409ThrAsp: 3.409 ± 0.046
3.469ThrGlu: 3.469 ± 0.046
1.525ThrPhe: 1.525 ± 0.03
7.259ThrGly: 7.259 ± 0.084
1.164ThrHis: 1.164 ± 0.027
1.369ThrIle: 1.369 ± 0.029
0.956ThrLys: 0.956 ± 0.025
5.989ThrLeu: 5.989 ± 0.055
0.833ThrMet: 0.833 ± 0.025
0.827ThrAsn: 0.827 ± 0.023
4.461ThrPro: 4.461 ± 0.046
1.224ThrGln: 1.224 ± 0.027
4.067ThrArg: 4.067 ± 0.043
2.88ThrSer: 2.88 ± 0.041
3.806ThrThr: 3.806 ± 0.06
6.06ThrVal: 6.06 ± 0.067
0.872ThrTrp: 0.872 ± 0.022
1.237ThrTyr: 1.237 ± 0.031
0.0ThrXaa: 0.0 ± 0.0
Val
10.99ValAla: 10.99 ± 0.089
0.725ValCys: 0.725 ± 0.018
4.782ValAsp: 4.782 ± 0.055
4.857ValGlu: 4.857 ± 0.057
2.26ValPhe: 2.26 ± 0.036
6.272ValGly: 6.272 ± 0.07
1.998ValHis: 1.998 ± 0.031
2.557ValIle: 2.557 ± 0.038
1.568ValLys: 1.568 ± 0.032
9.858ValLeu: 9.858 ± 0.1
1.348ValMet: 1.348 ± 0.034
1.478ValAsn: 1.478 ± 0.03
5.474ValPro: 5.474 ± 0.073
1.988ValGln: 1.988 ± 0.035
7.363ValArg: 7.363 ± 0.055
4.117ValSer: 4.117 ± 0.061
5.545ValThr: 5.545 ± 0.058
7.887ValVal: 7.887 ± 0.079
1.092ValTrp: 1.092 ± 0.025
1.443ValTyr: 1.443 ± 0.036
0.0ValXaa: 0.0 ± 0.0
Trp
1.661TrpAla: 1.661 ± 0.033
0.142TrpCys: 0.142 ± 0.008
0.751TrpAsp: 0.751 ± 0.018
0.795TrpGlu: 0.795 ± 0.019
0.482TrpPhe: 0.482 ± 0.016
1.084TrpGly: 1.084 ± 0.027
0.329TrpHis: 0.329 ± 0.012
0.459TrpIle: 0.459 ± 0.018
0.337TrpLys: 0.337 ± 0.015
1.696TrpLeu: 1.696 ± 0.036
0.251TrpMet: 0.251 ± 0.011
0.339TrpAsn: 0.339 ± 0.013
0.784TrpPro: 0.784 ± 0.02
0.592TrpGln: 0.592 ± 0.017
1.339TrpArg: 1.339 ± 0.031
0.889TrpSer: 0.889 ± 0.023
0.999TrpThr: 0.999 ± 0.027
0.942TrpVal: 0.942 ± 0.024
0.324TrpTrp: 0.324 ± 0.013
0.338TrpTyr: 0.338 ± 0.015
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.782TyrAla: 2.782 ± 0.037
0.162TyrCys: 0.162 ± 0.009
1.378TyrAsp: 1.378 ± 0.035
1.211TyrGlu: 1.211 ± 0.029
0.571TyrPhe: 0.571 ± 0.019
2.145TyrGly: 2.145 ± 0.037
0.382TyrHis: 0.382 ± 0.014
0.426TyrIle: 0.426 ± 0.016
0.311TyrLys: 0.311 ± 0.015
1.993TyrLeu: 1.993 ± 0.037
0.215TyrMet: 0.215 ± 0.012
0.335TyrAsn: 0.335 ± 0.013
1.039TyrPro: 1.039 ± 0.027
0.567TyrGln: 0.567 ± 0.02
1.727TyrArg: 1.727 ± 0.035
0.823TyrSer: 0.823 ± 0.024
1.108TyrThr: 1.108 ± 0.028
1.523TyrVal: 1.523 ± 0.029
0.332TyrTrp: 0.332 ± 0.015
0.387TyrTyr: 0.387 ± 0.017
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 5894 proteins (1996049 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