Amino acid dipepetide frequency for Nocardioides sp. J9

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.

	Ala	Cys	Asp	Glu	Phe	Gly	His	Ile	Lys	Leu	Met	Asn	Pro	Gln	Arg	Ser	Thr	Val	Trp	Tyr	Xaa
Ala	19.825AlaAla: 19.825 ± 0.192	0.985AlaCys: 0.985 ± 0.027	8.749AlaAsp: 8.749 ± 0.083	8.545AlaGlu: 8.545 ± 0.106	3.477AlaPhe: 3.477 ± 0.052	12.594AlaGly: 12.594 ± 0.123	2.426AlaHis: 2.426 ± 0.046	4.428AlaIle: 4.428 ± 0.057	2.531AlaLys: 2.531 ± 0.058	13.19AlaLeu: 13.19 ± 0.122	2.71AlaMet: 2.71 ± 0.044	2.052AlaAsn: 2.052 ± 0.045	6.539AlaPro: 6.539 ± 0.082	3.421AlaGln: 3.421 ± 0.06	9.704AlaArg: 9.704 ± 0.099	6.251AlaSer: 6.251 ± 0.07	7.775AlaThr: 7.775 ± 0.08	11.875AlaVal: 11.875 ± 0.112	2.045AlaTrp: 2.045 ± 0.041	2.326AlaTyr: 2.326 ± 0.042	0.042AlaXaa: 0.042 ± 0.006
Cys	0.89CysAla: 0.89 ± 0.026	0.087CysCys: 0.087 ± 0.008	0.47CysAsp: 0.47 ± 0.019	0.397CysGlu: 0.397 ± 0.022	0.228CysPhe: 0.228 ± 0.014	0.869CysGly: 0.869 ± 0.026	0.177CysHis: 0.177 ± 0.013	0.206CysIle: 0.206 ± 0.013	0.108CysLys: 0.108 ± 0.009	0.63CysLeu: 0.63 ± 0.021	0.108CysMet: 0.108 ± 0.008	0.152CysAsn: 0.152 ± 0.01	0.456CysPro: 0.456 ± 0.019	0.181CysGln: 0.181 ± 0.012	0.577CysArg: 0.577 ± 0.02	0.426CysSer: 0.426 ± 0.02	0.482CysThr: 0.482 ± 0.022	0.592CysVal: 0.592 ± 0.023	0.12CysTrp: 0.12 ± 0.009	0.156CysTyr: 0.156 ± 0.01	0.001CysXaa: 0.001 ± 0.001
Asp	8.18AspAla: 8.18 ± 0.077	0.381AspCys: 0.381 ± 0.02	4.815AspAsp: 4.815 ± 0.068	4.683AspGlu: 4.683 ± 0.065	1.674AspPhe: 1.674 ± 0.036	6.702AspGly: 6.702 ± 0.088	1.555AspHis: 1.555 ± 0.033	1.906AspIle: 1.906 ± 0.04	1.189AspLys: 1.189 ± 0.036	7.543AspLeu: 7.543 ± 0.08	0.807AspMet: 0.807 ± 0.023	1.035AspAsn: 1.035 ± 0.03	4.729AspPro: 4.729 ± 0.075	1.939AspGln: 1.939 ± 0.04	5.093AspArg: 5.093 ± 0.066	2.301AspSer: 2.301 ± 0.043	2.927AspThr: 2.927 ± 0.042	6.343AspVal: 6.343 ± 0.071	0.955AspTrp: 0.955 ± 0.024	1.177AspTyr: 1.177 ± 0.03	0.01AspXaa: 0.01 ± 0.003
Glu	7.462GluAla: 7.462 ± 0.094	0.377GluCys: 0.377 ± 0.014	3.399GluAsp: 3.399 ± 0.063	3.883GluGlu: 3.883 ± 0.06	1.483GluPhe: 1.483 ± 0.033	4.423GluGly: 4.423 ± 0.063	1.636GluHis: 1.636 ± 0.036	2.273GluIle: 2.273 ± 0.047	1.473GluLys: 1.473 ± 0.035	6.721GluLeu: 6.721 ± 0.074	1.033GluMet: 1.033 ± 0.026	0.988GluAsn: 0.988 ± 0.029	3.475GluPro: 3.475 ± 0.069	2.503GluGln: 2.503 ± 0.042	5.285GluArg: 5.285 ± 0.066	2.459GluSer: 2.459 ± 0.041	2.801GluThr: 2.801 ± 0.046	6.29GluVal: 6.29 ± 0.063	0.822GluTrp: 0.822 ± 0.026	1.067GluTyr: 1.067 ± 0.031	0.01GluXaa: 0.01 ± 0.002
Phe	3.51PheAla: 3.51 ± 0.052	0.267PheCys: 0.267 ± 0.012	2.059PheAsp: 2.059 ± 0.042	1.576PheGlu: 1.576 ± 0.038	0.851PhePhe: 0.851 ± 0.026	2.912PheGly: 2.912 ± 0.053	0.622PheHis: 0.622 ± 0.019	0.778PheIle: 0.778 ± 0.027	0.506PheLys: 0.506 ± 0.019	2.569PheLeu: 2.569 ± 0.047	0.426PheMet: 0.426 ± 0.015	0.611PheAsn: 0.611 ± 0.021	1.298PhePro: 1.298 ± 0.033	0.65PheGln: 0.65 ± 0.021	1.781PheArg: 1.781 ± 0.041	1.484PheSer: 1.484 ± 0.032	1.873PheThr: 1.873 ± 0.042	2.506PheVal: 2.506 ± 0.048	0.411PheTrp: 0.411 ± 0.018	0.571PheTyr: 0.571 ± 0.023	0.004PheXaa: 0.004 ± 0.002
Gly	10.577GlyAla: 10.577 ± 0.1	0.795GlyCys: 0.795 ± 0.025	5.637GlyAsp: 5.637 ± 0.072	5.307GlyGlu: 5.307 ± 0.054	2.923GlyPhe: 2.923 ± 0.054	8.457GlyGly: 8.457 ± 0.121	2.087GlyHis: 2.087 ± 0.041	3.779GlyIle: 3.779 ± 0.056	2.381GlyLys: 2.381 ± 0.055	9.286GlyLeu: 9.286 ± 0.109	1.947GlyMet: 1.947 ± 0.039	1.758GlyAsn: 1.758 ± 0.042	4.82GlyPro: 4.82 ± 0.069	2.68GlyGln: 2.68 ± 0.052	7.179GlyArg: 7.179 ± 0.093	5.204GlySer: 5.204 ± 0.063	6.047GlyThr: 6.047 ± 0.092	8.037GlyVal: 8.037 ± 0.092	1.695GlyTrp: 1.695 ± 0.039	2.08GlyTyr: 2.08 ± 0.038	0.039GlyXaa: 0.039 ± 0.006
His	2.504HisAla: 2.504 ± 0.043	0.207HisCys: 0.207 ± 0.012	1.538HisAsp: 1.538 ± 0.034	1.268HisGlu: 1.268 ± 0.031	0.605HisPhe: 0.605 ± 0.021	2.249HisGly: 2.249 ± 0.05	0.718HisHis: 0.718 ± 0.023	0.487HisIle: 0.487 ± 0.019	0.328HisLys: 0.328 ± 0.015	2.312HisLeu: 2.312 ± 0.042	0.31HisMet: 0.31 ± 0.015	0.347HisAsn: 0.347 ± 0.016	1.58HisPro: 1.58 ± 0.035	0.649HisGln: 0.649 ± 0.022	1.92HisArg: 1.92 ± 0.042	0.77HisSer: 0.77 ± 0.023	1.029HisThr: 1.029 ± 0.028	2.058HisVal: 2.058 ± 0.043	0.274HisTrp: 0.274 ± 0.012	0.45HisTyr: 0.45 ± 0.018	0.001HisXaa: 0.001 ± 0.001
Ile	4.821IleAla: 4.821 ± 0.056	0.28IleCys: 0.28 ± 0.013	2.698IleAsp: 2.698 ± 0.049	2.355IleGlu: 2.355 ± 0.047	0.8IlePhe: 0.8 ± 0.027	3.637IleGly: 3.637 ± 0.055	0.64IleHis: 0.64 ± 0.019	1.094IleIle: 1.094 ± 0.033	0.783IleLys: 0.783 ± 0.025	2.475IleLeu: 2.475 ± 0.05	0.434IleMet: 0.434 ± 0.019	0.816IleAsn: 0.816 ± 0.023	1.732IlePro: 1.732 ± 0.038	0.777IleGln: 0.777 ± 0.025	2.177IleArg: 2.177 ± 0.038	1.778IleSer: 1.778 ± 0.039	2.271IleThr: 2.271 ± 0.042	2.995IleVal: 2.995 ± 0.05	0.381IleTrp: 0.381 ± 0.018	0.594IleTyr: 0.594 ± 0.022	0.005IleXaa: 0.005 ± 0.002
Lys	2.772LysAla: 2.772 ± 0.059	0.1LysCys: 0.1 ± 0.008	1.197LysAsp: 1.197 ± 0.035	1.154LysGlu: 1.154 ± 0.034	0.51LysPhe: 0.51 ± 0.024	1.703LysGly: 1.703 ± 0.041	0.43LysHis: 0.43 ± 0.018	0.813LysIle: 0.813 ± 0.027	0.831LysLys: 0.831 ± 0.044	1.781LysLeu: 1.781 ± 0.038	0.38LysMet: 0.38 ± 0.017	0.455LysAsn: 0.455 ± 0.02	1.27LysPro: 1.27 ± 0.033	0.7LysGln: 0.7 ± 0.025	1.457LysArg: 1.457 ± 0.032	1.045LysSer: 1.045 ± 0.032	1.13LysThr: 1.13 ± 0.032	2.268LysVal: 2.268 ± 0.045	0.222LysTrp: 0.222 ± 0.013	0.423LysTyr: 0.423 ± 0.018	0.003LysXaa: 0.003 ± 0.001
Leu	15.045LeuAla: 15.045 ± 0.144	0.724LeuCys: 0.724 ± 0.022	7.036LeuAsp: 7.036 ± 0.08	5.563LeuGlu: 5.563 ± 0.075	2.36LeuPhe: 2.36 ± 0.05	9.571LeuGly: 9.571 ± 0.102	2.041LeuHis: 2.041 ± 0.041	2.612LeuIle: 2.612 ± 0.047	1.773LeuLys: 1.773 ± 0.043	10.593LeuLeu: 10.593 ± 0.119	1.546LeuMet: 1.546 ± 0.036	1.596LeuAsn: 1.596 ± 0.034	5.877LeuPro: 5.877 ± 0.063	2.426LeuGln: 2.426 ± 0.042	7.825LeuArg: 7.825 ± 0.087	4.97LeuSer: 4.97 ± 0.058	6.163LeuThr: 6.163 ± 0.062	10.541LeuVal: 10.541 ± 0.105	1.184LeuTrp: 1.184 ± 0.033	1.481LeuTyr: 1.481 ± 0.031	0.022LeuXaa: 0.022 ± 0.004
Met	2.234MetAla: 2.234 ± 0.04	0.127MetCys: 0.127 ± 0.009	0.863MetAsp: 0.863 ± 0.024	0.813MetGlu: 0.813 ± 0.023	0.45MetPhe: 0.45 ± 0.019	1.357MetGly: 1.357 ± 0.033	0.36MetHis: 0.36 ± 0.016	0.654MetIle: 0.654 ± 0.024	0.468MetLys: 0.468 ± 0.017	1.736MetLeu: 1.736 ± 0.038	0.324MetMet: 0.324 ± 0.016	0.397MetAsn: 0.397 ± 0.015	1.005MetPro: 1.005 ± 0.029	0.472MetGln: 0.472 ± 0.017	1.334MetArg: 1.334 ± 0.027	1.436MetSer: 1.436 ± 0.032	1.693MetThr: 1.693 ± 0.033	1.562MetVal: 1.562 ± 0.035	0.2MetTrp: 0.2 ± 0.011	0.261MetTyr: 0.261 ± 0.013	0.004MetXaa: 0.004 ± 0.002
Asn	2.146AsnAla: 2.146 ± 0.043	0.151AsnCys: 0.151 ± 0.01	1.117AsnAsp: 1.117 ± 0.032	0.883AsnGlu: 0.883 ± 0.028	0.495AsnPhe: 0.495 ± 0.023	1.821AsnGly: 1.821 ± 0.044	0.415AsnHis: 0.415 ± 0.017	0.702AsnIle: 0.702 ± 0.023	0.42AsnLys: 0.42 ± 0.02	1.781AsnLeu: 1.781 ± 0.037	0.301AsnMet: 0.301 ± 0.016	0.405AsnAsn: 0.405 ± 0.02	1.4AsnPro: 1.4 ± 0.034	0.601AsnGln: 0.601 ± 0.024	1.313AsnArg: 1.313 ± 0.031	0.763AsnSer: 0.763 ± 0.026	0.976AsnThr: 0.976 ± 0.033	1.505AsnVal: 1.505 ± 0.034	0.259AsnTrp: 0.259 ± 0.017	0.383AsnTyr: 0.383 ± 0.018	0.003AsnXaa: 0.003 ± 0.002
Pro	8.082ProAla: 8.082 ± 0.101	0.325ProCys: 0.325 ± 0.016	4.673ProAsp: 4.673 ± 0.06	4.152ProGlu: 4.152 ± 0.064	1.474ProPhe: 1.474 ± 0.035	5.974ProGly: 5.974 ± 0.084	1.146ProHis: 1.146 ± 0.034	1.643ProIle: 1.643 ± 0.032	1.074ProLys: 1.074 ± 0.033	4.746ProLeu: 4.746 ± 0.068	0.959ProMet: 0.959 ± 0.027	0.852ProAsn: 0.852 ± 0.03	3.027ProPro: 3.027 ± 0.073	1.396ProGln: 1.396 ± 0.027	3.791ProArg: 3.791 ± 0.063	2.937ProSer: 2.937 ± 0.048	3.608ProThr: 3.608 ± 0.056	5.582ProVal: 5.582 ± 0.069	0.904ProTrp: 0.904 ± 0.026	1.158ProTyr: 1.158 ± 0.025	0.018ProXaa: 0.018 ± 0.003
Gln	3.579GlnAla: 3.579 ± 0.049	0.153GlnCys: 0.153 ± 0.01	1.254GlnAsp: 1.254 ± 0.033	1.438GlnGlu: 1.438 ± 0.033	0.723GlnPhe: 0.723 ± 0.026	2.109GlnGly: 2.109 ± 0.044	0.712GlnHis: 0.712 ± 0.026	0.943GlnIle: 0.943 ± 0.028	0.587GlnLys: 0.587 ± 0.026	3.171GlnLeu: 3.171 ± 0.044	0.56GlnMet: 0.56 ± 0.019	0.454GlnAsn: 0.454 ± 0.019	1.815GlnPro: 1.815 ± 0.041	1.196GlnGln: 1.196 ± 0.034	2.535GlnArg: 2.535 ± 0.047	1.136GlnSer: 1.136 ± 0.031	1.284GlnThr: 1.284 ± 0.03	3.072GlnVal: 3.072 ± 0.045	0.45GlnTrp: 0.45 ± 0.019	0.512GlnTyr: 0.512 ± 0.021	0.006GlnXaa: 0.006 ± 0.002
Arg	9.175ArgAla: 9.175 ± 0.104	0.514ArgCys: 0.514 ± 0.02	4.533ArgAsp: 4.533 ± 0.064	4.608ArgGlu: 4.608 ± 0.067	2.225ArgPhe: 2.225 ± 0.042	5.775ArgGly: 5.775 ± 0.073	1.858ArgHis: 1.858 ± 0.039	3.065ArgIle: 3.065 ± 0.048	1.66ArgLys: 1.66 ± 0.035	7.997ArgLeu: 7.997 ± 0.079	1.806ArgMet: 1.806 ± 0.033	1.366ArgAsn: 1.366 ± 0.032	4.413ArgPro: 4.413 ± 0.064	2.135ArgGln: 2.135 ± 0.047	7.274ArgArg: 7.274 ± 0.095	4.169ArgSer: 4.169 ± 0.055	4.815ArgThr: 4.815 ± 0.068	6.44ArgVal: 6.44 ± 0.073	1.411ArgTrp: 1.411 ± 0.03	1.58ArgTyr: 1.58 ± 0.037	0.029ArgXaa: 0.029 ± 0.005
Ser	6.137SerAla: 6.137 ± 0.069	0.389SerCys: 0.389 ± 0.019	2.865SerAsp: 2.865 ± 0.051	2.374SerGlu: 2.374 ± 0.046	1.617SerPhe: 1.617 ± 0.035	5.373SerGly: 5.373 ± 0.07	0.949SerHis: 0.949 ± 0.03	1.784SerIle: 1.784 ± 0.036	0.967SerLys: 0.967 ± 0.025	4.735SerLeu: 4.735 ± 0.065	1.075SerMet: 1.075 ± 0.03	0.946SerAsn: 0.946 ± 0.026	2.988SerPro: 2.988 ± 0.043	1.241SerGln: 1.241 ± 0.027	3.594SerArg: 3.594 ± 0.054	3.065SerSer: 3.065 ± 0.057	3.377SerThr: 3.377 ± 0.051	4.27SerVal: 4.27 ± 0.055	0.884SerTrp: 0.884 ± 0.024	1.368SerTyr: 1.368 ± 0.032	0.009SerXaa: 0.009 ± 0.002
Thr	7.619ThrAla: 7.619 ± 0.089	0.48ThrCys: 0.48 ± 0.02	3.761ThrAsp: 3.761 ± 0.058	3.083ThrGlu: 3.083 ± 0.052	1.838ThrPhe: 1.838 ± 0.041	6.276ThrGly: 6.276 ± 0.075	1.131ThrHis: 1.131 ± 0.029	2.255ThrIle: 2.255 ± 0.04	1.139ThrLys: 1.139 ± 0.029	5.587ThrLeu: 5.587 ± 0.069	1.022ThrMet: 1.022 ± 0.028	1.138ThrAsn: 1.138 ± 0.03	3.909ThrPro: 3.909 ± 0.059	1.357ThrGln: 1.357 ± 0.034	3.94ThrArg: 3.94 ± 0.052	3.468ThrSer: 3.468 ± 0.06	4.298ThrThr: 4.298 ± 0.077	5.763ThrVal: 5.763 ± 0.069	1.039ThrTrp: 1.039 ± 0.027	1.367ThrTyr: 1.367 ± 0.04	0.012ThrXaa: 0.012 ± 0.003
Val	12.99ValAla: 12.99 ± 0.11	0.658ValCys: 0.658 ± 0.025	6.704ValAsp: 6.704 ± 0.073	5.982ValGlu: 5.982 ± 0.062	2.305ValPhe: 2.305 ± 0.041	7.93ValGly: 7.93 ± 0.099	2.021ValHis: 2.021 ± 0.04	3.137ValIle: 3.137 ± 0.051	1.732ValLys: 1.732 ± 0.04	10.271ValLeu: 10.271 ± 0.104	1.495ValMet: 1.495 ± 0.03	1.774ValAsn: 1.774 ± 0.035	5.452ValPro: 5.452 ± 0.064	2.257ValGln: 2.257 ± 0.042	7.219ValArg: 7.219 ± 0.086	4.434ValSer: 4.434 ± 0.049	5.946ValThr: 5.946 ± 0.078	11.211ValVal: 11.211 ± 0.12	1.117ValTrp: 1.117 ± 0.027	1.413ValTyr: 1.413 ± 0.032	0.009ValXaa: 0.009 ± 0.003
Trp	1.619TrpAla: 1.619 ± 0.034	0.148TrpCys: 0.148 ± 0.01	0.84TrpAsp: 0.84 ± 0.028	0.74TrpGlu: 0.74 ± 0.024	0.555TrpPhe: 0.555 ± 0.022	1.04TrpGly: 1.04 ± 0.026	0.346TrpHis: 0.346 ± 0.017	0.534TrpIle: 0.534 ± 0.019	0.33TrpLys: 0.33 ± 0.016	1.766TrpLeu: 1.766 ± 0.038	0.296TrpMet: 0.296 ± 0.014	0.367TrpAsn: 0.367 ± 0.018	0.771TrpPro: 0.771 ± 0.027	0.544TrpGln: 0.544 ± 0.019	1.292TrpArg: 1.292 ± 0.031	0.973TrpSer: 0.973 ± 0.027	0.965TrpThr: 0.965 ± 0.027	1.258TrpVal: 1.258 ± 0.031	0.371TrpTrp: 0.371 ± 0.018	0.281TrpTyr: 0.281 ± 0.011	0.004TrpXaa: 0.004 ± 0.002
Tyr	2.278TyrAla: 2.278 ± 0.044	0.164TyrCys: 0.164 ± 0.011	1.726TyrAsp: 1.726 ± 0.038	1.049TyrGlu: 1.049 ± 0.033	0.672TyrPhe: 0.672 ± 0.025	1.916TyrGly: 1.916 ± 0.045	0.329TyrHis: 0.329 ± 0.015	0.445TyrIle: 0.445 ± 0.019	0.359TyrLys: 0.359 ± 0.015	2.037TyrLeu: 2.037 ± 0.043	0.205TyrMet: 0.205 ± 0.013	0.329TyrAsn: 0.329 ± 0.017	0.94TyrPro: 0.94 ± 0.028	0.555TyrGln: 0.555 ± 0.019	1.53TyrArg: 1.53 ± 0.034	0.925TyrSer: 0.925 ± 0.027	1.018TyrThr: 1.018 ± 0.035	1.876TyrVal: 1.876 ± 0.033	0.296TyrTrp: 0.296 ± 0.013	0.409TyrTyr: 0.409 ± 0.02	0.001TyrXaa: 0.001 ± 0.001
Xaa	0.042XaaAla: 0.042 ± 0.007	0.002XaaCys: 0.002 ± 0.001	0.008XaaAsp: 0.008 ± 0.003	0.011XaaGlu: 0.011 ± 0.003	0.001XaaPhe: 0.001 ± 0.001	0.028XaaGly: 0.028 ± 0.004	0.004XaaHis: 0.004 ± 0.002	0.004XaaIle: 0.004 ± 0.002	0.005XaaLys: 0.005 ± 0.002	0.026XaaLeu: 0.026 ± 0.005	0.001XaaMet: 0.001 ± 0.001	0.003XaaAsn: 0.003 ± 0.002	0.027XaaPro: 0.027 ± 0.004	0.007XaaGln: 0.007 ± 0.002	0.028XaaArg: 0.028 ± 0.005	0.011XaaSer: 0.011 ± 0.003	0.004XaaThr: 0.004 ± 0.002	0.013XaaVal: 0.013 ± 0.003	0.001XaaTrp: 0.001 ± 0.001	0.004XaaTyr: 0.004 ± 0.002	0.142XaaXaa: 0.142 ± 0.033

Statistics based on 4501 proteins (1420892 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

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

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