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Figure 2 | BMC Bioinformatics

Figure 2

From: Recruitment of rare 3-grams at functional sites: Is this a mechanism for increasing enzyme specificity?

Figure 2

Scarcity Scores. (A) Scarcity scores (eq 2) plotted as a function of 3-gram index, sorted in descending order. (B) Histogram of scarcity scores. The abscissa shows the number of 3-grams having scarcity scores values lying in successive ranges of size 0.25 shown along the ordinate. The peak occurs at s i u n i MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaacqWGZbWCdaqhaaWcbaGaemyAaKgabaGaemyDauNaemOBa4MaemyAaKgaaaaa@33D6@ = 9.0 ± 0.125. Unique 3-grams (Figure 1) lie in the range s i u n i MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaacqWGZbWCdaqhaaWcbaGaemyAaKgabaGaemyDauNaemOBa4MaemyAaKgaaaaa@33D6@ > 10.908, or i < 480, indicated by the arrow, and their observed cumulative frequency is p i u n i MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaacqWGWbaCdaqhaaWcbaGaemyAaKgabaGaemyDauNaemOBa4MaemyAaKgaaaaa@33D0@ < 1.83 10-5.

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BMC Bioinformatics

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