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metal prints sign metal prints microtubule metal prints protein metal prints motor protein metal prints cell metal prints moving metal prints transporting metal prints carrying metal prints biology metal prints biochemistry metal prints cell biology metal prints molecular biology metal prints illustration metal prints diagram metal prints conceptual metal prints

photographs sign photos microtubule photos protein photos motor protein photos cell photos moving photos transporting photos carrying photos biology photos biochemistry photos cell biology photos molecular biology photos illustration photos diagram photos conceptual photos

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Cell transport network, conceptual artwork. Microtubules (blue and white strands) are protein fibres that act as a traffic network inside cells. The molecular cargo being transported along these 'roads' are represented by coloured spheres being carried by motor proteins (cartoon hands-and-feet figures). Helping to direct the 'traffic' are molecular tags, here shown as an array of traffic signs. These tags are formed by enzymes that modify the surface of the microtubules. The first of these enzymes were identified in 2005.

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