Team:Dundee/Part Collection

The Building Blocks of Our Project

Part Collection

Part: BBa_K1590000 (hHBA)

FluID- Blood Detection

Coding sequence for Human haemoglobin A. Haemoglobin is the tetrameric protein molecule in red blood cells that carries oxygen. It is composed of four polypeptide chains, which in adults consist of two alpha (a) globin chains and two beta (b) globin chains. In blood plasma, haptoglobin binds free haemoglobin released from red blood cells, inhibiting its oxidative activity. The haptoglobin-hemoglobin complex can then be removed by the reticuloendothelial system which is a part of the immune system. Despite this, haemoglobin is still found free in the blood plasma at a concentration of up to 0.1g/l and this is what we hope to detect. .

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Part: BBa_K1590001 (hHBB)

FluID- Blood Detection

Coding sequence for Human haemoglobin B. Haemoglobin is the tetrameric protein molecule in red blood cells that carries oxygen. It is composed of four polypeptide chains, which in adults consist of two alpha (a) globin chains and two beta (b) globin chains. In blood plasma, haptoglobin binds free haemoglobin released from red blood cells, inhibiting its oxidative activity. The haptoglobin-hemoglobin complex can then be removed by the reticuloendothelial system which is a part of the immune system. Despite this, haemoglobin is still found free in the blood plasma at a concentration of up to 0.1g/l and this is what we hope to detect.

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Characterisation of haemoglobin beta following SEC (size exclusion chromatography). A) The sample of concentrated fractions containing haemoglobin beta from nickel affinity purification was loaded onto a SEC column and the protein was eluted. B) 10µl of each fraction corresponding to the two observed peaks was mixed with 10µl of laemmli buffer and loaded onto a SDS gel (12.5% acrylamide). The bands observable on the gel are in line with the expected size of haemoglobin beta - 16kDa. C) Western blotting was then carried out against an anti-his antibody to confirm the presence of hHHB- His.

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Part: BBa_K1590002 (hHBN)

FluID - Blood Detection

Coding sequence for Human haptoglobin.Haemoglobin is the tetrameric protein molecule in red blood cells that carries oxygen. It is composed of four polypeptide chains, which in adults consist of two alpha (a) globin chains and two beta (b) globin chains. In blood plasma, haptoglobin binds free haemoglobin released from red blood cells, inhibiting its oxidative activity. The haptoglobin-hemoglobin complex can then be removed by the reticuloendothelial system which is a part of the immune system. Despite this, haemoglobin is still found free in the blood plasma at a concentration of up to 0.1g/l and this is what we hope to detect.

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Characterization of Human haptoglobin following nickel affinity FPLC. A) Chromatogram showing the purification profile of the His-tagged Human haptoglobin. The fractions corresponding to the two peaks observed on the chromatograph were further analysed western blotting. B) 10µl of the fractions A8-A10 were mixed with 10µl of laemmli buffer and samples separated by SDS-PAGE (12.5% acrylamide) and transferred to a nitrocellulose membrane and probed with an anti-His antibody. The western blot shows successful production of hHHB – His (expected size 45kDa).

Part: BBa_K1590003 (PChr)

Chromate Detection

Chromate responsive promoter. The promoter PChr is suspected to be inducible by chromate.

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Figure 1 - A random agarose gel showing some sort of banding

Part: BBa_K1590004 (ChrB)

Chromate Detection

Promoter sequence of chromate resistance operon of Ochrobactrum tritici 5bvl1. Regulator or Chromate responsive promoter. The protein encoded by this sequence is a putative chromate responsive repressor of PChr (BBa_K1590003).

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Figure 1 - A random agarose gel showing some sort of banding

Part:BBa_K1590006 (LSS

Fingerprint Aging

Lanosterol Synthase catalyses the reaction from 2,3-oxido-squalene (squalene epoxide) to Lanosterol. It is one of the enzymes in the enzymatic cascade that converts squalene to cholesterol through stepwise modifications of the substrate.

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Figure 1 - A random agarose gel showing some sort of banding

Part:BBa_K1590007 (Obp2A)

Nasal Mucus Detection

Human Odorant Binding Protein 2A is a 155 amino acid (excluding the signal peptide) lipocalin of relatively low molecular weight (19318 Daltons). Structurally it forms an 8 sheet beta barrel flanked by a c-terminal alpha helix that together forms an internal hydrophobic pore known as a calix. It is secreted by the olfactory epithelial cells of the nose where it lies in high abundance within nasal mucus. Its primary function in the human body is believed to be in the transport of hydrophobic odorant proteins across the otherwise impenetrable aqueous mucus layer to the olfactory receptors of the nose. Due to its high specificity and abundance within nasal mucus, OBP2A was selected as the protein for use in nasal mucus detection.

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Figure 1 - A random agarose gel showing some sort of banding

Part:BBa_K1590008 (PotD

Saliva Detection

Coding sequence for Lactoferrin Binding Protein A of Neisseria Meningitidis. This protein sequesters Iron for the host from Lactoferrin.

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Figure 1 - A random agarose gel showing some sort of banding

Part:BBa_K1590009 (PotD)

Semen Detection

Escherichia coli PotD sequence, encoding Spermidine/putrescine-binding periplasmic protein.

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Figure 1 - A random agarose gel showing some sort of banding

Part:BBa_K1590010 (Sbp)

Semen Detection

Murine Spermine Binding Protein Binds the carbohydrate spermine.

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Figure 1 - A random agarose gel showing some sort of banding