Leucine | C6H13NO2 | AADB0011 - Amino Acid Database (AminoADB) (2025)

DrugBank

Descriptions

ChEBI

ChEBI

MeSH

MeSH

T3DB

T3DB

Wikipedia

Wikipedia

HMDB

HMDB

Synonyms

Synonyms

Identifiers

Manual Xrefs

Related Amino acids

Related Amino Acids

Biological activity

Metabolism

Kohlmeier, M. (2015)

Escherichia coli

Reaction	Control

Biochemical reactions

Reaction	Pathway	Source	Taxonomy

Bioactivity and Pharmacokinetics

T3DB Mechanism of Action

Predicted Properties

Property	Value	Source

Safety and Hazards

eCFR

Hazard Idientification

Targets and transporters

Annotations

Literatures

Quiz

Information Sources

Submit Content

Content Submission Form

Please fill out all fields and upload your document. Accepted file formats are PDF, DOC, and DOCX, upload max 5MB). Checkout the guidelines and review process

Cite this Page

Citation copied!

`; document.body.appendChild(popup); const copyBtn = document.getElementById('copy-btn'); const shareBtn = document.getElementById('share-btn'); const highlightBtn = document.getElementById('highlight-btn'); const searchBtn = document.getElementById('search-btn'); const wordCountDiv = document.getElementById('word-count'); let selectedText = ''; let selectedRange = null; let timeoutId; function handleTextSelection(event) { clearTimeout(timeoutId); timeoutId = setTimeout(() => { const selection = window.getSelection(); selectedText = selection.toString().trim(); if (selectedText) { selectedRange = selection.getRangeAt(0); const rect = selectedRange.getBoundingClientRect(); popup.style.left = `${rect.left + window.scrollX}px`; popup.style.top = `${rect.bottom + window.scrollY}px`; popup.style.display = 'block'; const wordCount = selectedText.split(/\s+/).filter(Boolean).length; wordCountDiv.textContent = `Words: ${wordCount}`; } else { popup.style.display = 'none'; } }, 200); } document.addEventListener('mouseup', handleTextSelection); document.addEventListener('touchend', handleTextSelection); copyBtn.addEventListener('click', () => { navigator.clipboard.writeText(selectedText) .then(() => { showFeedback('Text copied to clipboard'); popup.style.display = 'none'; }) .catch(err => { console.error('Failed to copy text: ', err); showFeedback('Failed to copy text', true); }); }); shareBtn.addEventListener('click', () => { if (navigator.share) { navigator.share({ title: 'Shared Text from Database', text: selectedText, url: window.location.href }).then(() => { showFeedback('Shared successfully'); popup.style.display = 'none'; }).catch(err => { console.error('Error sharing text: ', err); showFeedback('Error sharing text', true); }); } else { showFeedback('Web Share API not supported in this browser', true); } }); highlightBtn.addEventListener('click', () => { if (selectedRange) { const startOffset = getTextNodeOffset(selectedRange.startContainer, selectedRange.startOffset); const endOffset = getTextNodeOffset(selectedRange.endContainer, selectedRange.endOffset); const highlightData = { action: 'add', page_url: window.location.href, selected_text: selectedText, start_offset: startOffset, end_offset: endOffset }; fetch('highlight.php', { method: 'POST', headers: { 'Content-Type': 'application/json', }, body: JSON.stringify(highlightData), }) .then(response => response.json()) .then(data => { if (data.success) { const span = document.createElement('span'); span.className = 'highlight'; span.dataset.highlightId = data.id; selectedRange.surroundContents(span); showFeedback('Highlighted and saved'); } else { showFeedback('Login to highlight', true); } }) .catch(error => { console.error('Error:', error); showFeedback('Error saving highlight', true); }); popup.style.display = 'none'; } }); searchBtn.addEventListener('click', () => { const searchUrl = `https://www.google.com/search?q=${encodeURIComponent(selectedText)}`; window.open(searchUrl, '_blank'); popup.style.display = 'none'; }); document.addEventListener('mousedown', (event) => { if (!popup.contains(event.target)) { popup.style.display = 'none'; } }); popup.addEventListener('keydown', (event) => { if (event.key === 'Escape') { popup.style.display = 'none'; } }); function showFeedback(message, isError = false) { const feedback = document.createElement('div'); feedback.className = `alert ${isError ? 'alert-danger' : 'alert-success'} position-fixed bottom-0 start-50 translate-middle-x`; feedback.setAttribute('role', 'alert'); feedback.style.zIndex = '1001'; feedback.innerHTML = message; document.body.appendChild(feedback); setTimeout(() => { feedback.remove(); }, 2000); } function getTextNodeOffset(node, offset) { let currentNode = document.body; let currentOffset = 0; const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, null, false); while (walker.nextNode()) { if (walker.currentNode === node) { return currentOffset + offset; } currentOffset += walker.currentNode.length; } return -1; } function applyHighlights() { fetch(`highlight.php?page_url=${encodeURIComponent(window.location.href)}`) .then(response => response.json()) .then(highlights => { // Remove existing highlights document.querySelectorAll('.highlight').forEach(el => { const parent = el.parentNode; while (el.firstChild) { parent.insertBefore(el.firstChild, el); } parent.removeChild(el); }); // Apply new highlights highlights.forEach(highlight => { const range = getHighlightRange(highlight.start_offset, highlight.end_offset); if (range) { const span = document.createElement('span'); span.className = 'highlight'; span.dataset.highlightId = highlight.id; span.addEventListener('click', removeHighlight); try { range.surroundContents(span); } catch (e) { console.error('Error applying highlight:', e); } } }); }) .catch(error => console.error('Error loading highlights:', error)); } function removeHighlight(event) { const highlightSpan = event.target; const highlightId = highlightSpan.dataset.highlightId; // Send request to server to remove highlight fetch('highlight.php', { method: 'POST', headers: { 'Content-Type': 'application/json', }, body: JSON.stringify({ action: 'remove', highlight_id: highlightId }), }) .then(response => response.json()) .then(data => { if (data.success) { // Remove the highlight span from the DOM const parent = highlightSpan.parentNode; while (highlightSpan.firstChild) { parent.insertBefore(highlightSpan.firstChild, highlightSpan); } parent.removeChild(highlightSpan); showFeedback('Highlight removed successfully'); } else { showFeedback('Failed to remove highlight', true); } }) .catch(error => { console.error('Error:', error); showFeedback('Error removing highlight', true); }); } function getHighlightRange(startOffset, endOffset) { const walker = document.createTreeWalker(document.body, NodeFilter.SHOW_TEXT, null, false); let currentOffset = 0; let startNode, startNodeOffset, endNode, endNodeOffset; while (walker.nextNode()) { const nodeEndOffset = currentOffset + walker.currentNode.length; if (!startNode && startOffset >= currentOffset && startOffset <= nodeEndOffset) { startNode = walker.currentNode; startNodeOffset = startOffset - currentOffset; } if (!endNode && endOffset >= currentOffset && endOffset <= nodeEndOffset) { endNode = walker.currentNode; endNodeOffset = endOffset - currentOffset; break; } currentOffset = nodeEndOffset; } if (startNode && endNode) { const range = document.createRange(); range.setStart(startNode, startNodeOffset); range.setEnd(endNode, endNodeOffset); return range; } return null; } // Call applyHighlights on page load and after any dynamic content changes window.addEventListener('load', applyHighlights); document.addEventListener('DOMContentLoaded', applyHighlights);})();