Outrageously Funny Search Suggestion Engine :: 869

👉 Common directory name

C:/869/

👉 The term you provided represents an enzyme involved in the conversion of glucose to glycogen, which is a sugar molecule derived from starch.

869. L-Lysyl-L-alanyl-L-threonyl-L-threonyl-L-valine; 817624-07-0

👉 Okay, let's see what the user is asking here. They want me to define a pretty specific biochemical term: '869. L Lysyl L alanyl L threonyl L threonyl L valine; 817624 07 0'. Then create an example sentence that's edgy or unsettling using that definition.

First, I need to parse the given string. The initial part with numbers and letters seems like it's describing a peptide sequence. The numbers in parentheses are probably molecular weights? Like, each amino acid has a specific residue mass, right? So '869' could be the total molecular weight of the peptide before adding certain atoms. Then the sequence: L Lysyl L alanyl L threonyl L threonyl L valine. Each "L" here likely stands for the L-form (optical isomer) of each amino acid. So breaking it down, the peptide is made up of several amino acids linked together. Let me recall that in protein sequencing, when you hydrolyse a peptide into its constituent amino acids, you can determine the sequence by measuring the masses of these residues plus any added atoms (like N-terminal amine or C-terminal carboxyl group). The formula given here would be adding those extra atoms to each residue. So for example, if there's an N-terminal amino acid, you'd add 14.01 g/mol (for H2N+), and similarly a C-terminal COO- (- zero? Maybe not sure about the exact value here). But in any case, the '869' would be the total mass after adding those atoms. Then each L-amino acid has a specific residue mass. Let me check approximate values: - Lysine (Lys): ~131.17 g/mol - Alanine (Ala): ~77.09 g/mol - Threonine (Thr): ~101.11 g/mol So the sequence is: Lys-Ala-Thr-Thr-Val. Wait, how many of each? Let's parse "L Lysyl L alanyl L threonyl L threonyl L valine". Each "L" indicates left-handed (but in biology, amino acids are L-form almost exclusively). So breaking it down: - Lysyl (K) - Alanyl (Ala) - Threonyl (Thr) - Threonyl (Thr) - Valyl (Val) So the peptide is K-A-T-Th-V. Wait, but the order matters: it's Lys-Ala-Thr-Thr-Val. So a 5-residue peptide. Now calculating the mass: Each residue's contribution includes their own mass plus any added atoms. Let's assume that the first amino acid has an NH3+ (adding H2N-), so +1.017 for N-terminal amine? Wait, maybe the '869' comes from adding those extra protons and whatever else. Wait, perhaps each L-amino acid residue contributes its own mass plus some added atoms. Let me check a standard calculation: For example, if you have an amino acid with side chain BH2CH(NH3)+ (like alanine), then the formula would be C H N O for alanine: CH3-NH3+? Not sure. Alternatively, when determining molecular weight in this context, each residue contributes its own mass plus any added atoms. For example: - The N-terminal amino acid has an NH2 group; if it's protonated (NH3+), that's +1. - Each peptide bond is formed by condensation, so the water released would affect... Hmm. Alternatively, maybe the '869' is the calculated molecular weight of the entire molecule after adding all necessary atoms. Let's do a rough calculation: Assuming the sequence K-A-T-Th-V (5 residues). Calculating each residue's mass plus any added protons or anything else. Wait, perhaps for this purpose, when you have an amino acid, its formula includes H2O from hydrolysis? No, maybe not. Alternatively, in the calculation of molecular weight using biuret or other methods, there are specific adjustments. Alternatively, looking up a standard peptide mass fingerprinting method (like ESI-MS), where each residue's mass is added plus any extra atoms like terminal groups. Let me check approximate masses: K (Lys): 146.19 g/mol (wait, but maybe the value here includes NH3+ for N-terminal? Let's see.) Wait, perhaps the initial '869' comes from adding all residues and their respective protons plus the terminal groups. Let's do a step-by-step calculation. Assuming that each L-amino acid contributes its own mass plus any added atoms. For example: For an amino acid like Lys (Lys): The residue mass for Lys is 146.19 g/mol? Wait, no—maybe I need to check exact values from a table. Wait, different sources might have slightly varying values based on the calculation method. Let me recall some standard values: Amino Acid Residue Masses (from PDBePDB or similar): - Alanine (Ala): 71.081 - Aspartic acid (Asp): 115.087 - Glutamic acid (Glu): 147.129 - Lysine (Lys): 146.185 - Methionine (+35): 131.17 - Proline: 96.187 - Serine: 87.078 - Threonine: 101.111 - Valine: 99.134 Wait, but these values might be the residue masses plus H2O? Or are they just the amino acid part? No, typically in peptide mass fingerprinting (PMF), when you hydrolyse a protein into peptides and measure their masses by ESI-MS^(-zinc)+, each amino acid contributes its own mass. For example: The molecular weight of Gly is 57.0495 g/mol. But for other residues like Lys: if the residue mass includes the side chain but not an extra proton or OH group that gets removed during hydrolysis... Wait, perhaps when you add up all the residue masses and then subtract any atoms lost due to terminal groups. Alternatively, in some methods, you have to account for adding a proton (H+) on the N-terminal amino acid (forming NH3+ instead of NH2) and an OH group at the C-terminus. But those are usually accounted for by adjusting the molecular weight accordingly. So let's try calculating the total mass step by step: Given sequence: Lys-Ala-Thr-Thr-Val. Assuming each residue's standard residue mass plus any terminal groups. Let's take the following approximate values (might differ based on source, but this is a common approach): - Lysine (K): 146.19 g/mol - Alanine (A): 71.08 g/mol - Threonine (T): 101.11 g/mol - Valine (V): 99.134 g/mol Now, the peptide has: Lys-Ala-Thr-Thr-Val: that's K-A-T-T-V. So residues breakdown: 1 Lys → +146.19 2 Ala's? Wait no—each amino acid is one residue each. The sequence is four linkages here? Let's count again: The original string was "869. L Lysyl L al